Allied Telesis x950 Series User manual

613-002643 Rev. E
x950 Series Switches
Advanced Layer 3+
AlliedWare Plus™ v5.5.0-1
x950-28XSQ Switch
x950-28XTQm Switch
x950-52XSQ Switch
XEM2-8XSTm Ethernet Line Card
XEM2-12XT Ethernet Line Card
XEM2-12XTm Ethernet Line Card
XEM2-12XS Ethernet Line Card
XEM2-12XS v2 Ethernet Line Card
XEM2-4QS Ethernet Line Card
XEM2-1CQ Ethernet Line Card
PWR600 AC Power Supply
PWR600 DC Power Supply
FAN05 Fan Module
Installation Guide for Virtual Chassis
Stacking

Copyright  2020 Allied Telesis, Inc.
All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis, Inc.
Allied Telesis, VCStack, and the Allied Telesis logo are trademarks of Allied Telesis, Incorporated. All other product names, company
names, logos or other designations mentioned herein are trademarks or registered trademarks of their respective owners.
Allied Telesis, Inc. reserves the right to make changes in specifications and other information contained in this document without prior
written notice. The information provided herein is subject to change without notice. In no event shall Allied Telesis, Inc. be liable for
any incidental, special, indirect, or consequential damages whatsoever, including but not limited to lost profits, arising out of or related
to this manual or the information contained herein, even if Allied Telesis, Inc. has been advised of, known, or should have known, the
possibility of such damages.

3
Electrical Safety and Emissions Standards
This product meets the following standards.
U.S. Federal Communications Commission
Radiated Energy
Note: This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15
of FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with this instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case
the user will be required to correct the interference at his own expense.
Note: Modifications or changes not expressly approved of by the manufacturer or the FCC, can void your right to operate
this equipment.
Industry Canada
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.
Warning: In a domestic environment this product may cause radio interference in which case
the user may be required to take adequate measures.
EMI (Emissions) FCC Class A
CISPR 22 Class A
EN 55032 Class A
VCCI Class A
ICES-003 Class A
RCM
EAC Certification
EMC (Immunity) EN 55024
EN 61000-3-2
EN 61000-3-3
Electrical Safety UL 60950-1 (CULUS)
EN 62368-1 (TUV)
EN 60825-1 (TUV)
Laser Safety EN60825-1
RoHS RoHS6

4
Translated Safety Statements
Important: Safety statements that have the  symbol are translated into multiple languages in the
Translated Safety Statements document at www.alliedtelesis.com/library.
Remarque: Les consignes de sécurité portant le symbole  sont traduites dans plusieurs langues
dans le document Translated Safety Statements, disponible à l'adresse www.alliedtelesis.com/
library.

5
Preface............................................................................................................................................................................... 15
Document Conventions ................................................................................................................................................16
Contacting Allied Telesis ..............................................................................................................................................17
Chapter 1: Overview ........................................................................................................................................................ 19
x950 Switches ..............................................................................................................................................................20
Features .......................................................................................................................................................................22
Hardware Features ...............................................................................................................................................22
XEM2 Ethernet Line Cards ...................................................................................................................................22
Management Software and Interfaces ..................................................................................................................23
Management Methods ..........................................................................................................................................23
Management Panel ...............................................................................................................................................23
Power Supplies .....................................................................................................................................................24
Ports for 1/2.5/5/10Gbps SFP/SFP+ Transceivers.......................................................................................................25
SFP and SFP+ Transceivers.................................................................................................................................25
LEDs .....................................................................................................................................................................26
Ports 1 to 24 on the x950-28XTQm Switch ..................................................................................................................27
Cable Requirements .............................................................................................................................................27
LEDs .....................................................................................................................................................................28
Ports for 40Gbps QSFP+ or 100Gbps QSFP28 Transceiver, or Breakout Cables ......................................................29
QSFP28 Transceivers ...........................................................................................................................................29
QSFP+ Transceivers.............................................................................................................................................29
Breakout Cables....................................................................................................................................................29
LEDs .....................................................................................................................................................................30
Port Numbering for the x950-28XSQ and x950-28XTQm Switches......................................................................32
Port Numbering for the x950-52XSQ Switch.........................................................................................................33
Management Panel ......................................................................................................................................................34
USB Port ...............................................................................................................................................................35
NET MGMT Ethernet Management Port ...............................................................................................................35
Console (RS-232) Port ..........................................................................................................................................36
Switch ID LED .......................................................................................................................................................36
eco-friendly Button ................................................................................................................................................38
Optional Direct Attach Cables ......................................................................................................................................39
PWR600 AC and DC Power Supplies ..........................................................................................................................40
PWR600 AC Power Supply...................................................................................................................................41
LEDs .....................................................................................................................................................................42
PWR600 DC Power Supply ..................................................................................................................................43
LEDs .....................................................................................................................................................................43
..............................................................................................................................................................................43
FAN05 Cooling Fan......................................................................................................................................................45
Designating Ports in the Command Line Interface.......................................................................................................46
Examples of Port Numbering ................................................................................................................................47
Software and Hardware Releases................................................................................................................................49
Chapter 2: XEM2 Ethernet Line Cards ........................................................................................................................... 51
Overview ......................................................................................................................................................................52
XEM2-8XSTm Line Card..............................................................................................................................................55
Twisted Pair Ports .................................................................................................................................................55
Twisted Pair Port LEDs .........................................................................................................................................56
Transceivers Ports ................................................................................................................................................57
Contents

Contents
6
Transceivers Port LEDs........................................................................................................................................ 57
XEM2-12XT Line Card ................................................................................................................................................ 59
Twisted Pair Ports ................................................................................................................................................ 59
LEDs..................................................................................................................................................................... 60
XEM2-12XTm Line Card.............................................................................................................................................. 61
Twisted Pair Ports ................................................................................................................................................ 61
LEDs..................................................................................................................................................................... 62
XEM2-12XS and XEM2-12XS v2 Line Cards.............................................................................................................. 63
Transceiver Ports ................................................................................................................................................. 63
Card Versions....................................................................................................................................................... 64
LEDs..................................................................................................................................................................... 64
XEM2-4QS Line Card.................................................................................................................................................. 66
Transceiver Ports ................................................................................................................................................. 66
LEDs..................................................................................................................................................................... 67
XEM2-1CQ Line Card.................................................................................................................................................. 68
Transceiver Port ................................................................................................................................................... 68
LED ...................................................................................................................................................................... 68
Chapter 3: Virtual Chassis Stacking .............................................................................................................................. 71
Overview...................................................................................................................................................................... 72
Stacking Guidelines..................................................................................................................................................... 73
Stack Trunks................................................................................................................................................................ 74
Ports 1 to 24 and Ports 1 to 48............................................................................................................................. 74
Ports 25 to 37 and Ports 49 to 61 with 40Gbps Transceivers .............................................................................. 79
Ports 25 to 37 and Ports 49 to 61 with 100Gbps Transceivers ............................................................................ 80
XEM2 Line Cards ................................................................................................................................................. 82
Unsupported Trunks............................................................................................................................................. 84
Master and Member Switches ..................................................................................................................................... 89
Selection of the Master Switch ............................................................................................................................. 89
Switch ID Numbers ...................................................................................................................................................... 90
Optional Feature Licenses........................................................................................................................................... 91
Planning a Stack.......................................................................................................................................................... 92
Stacking Worksheet..................................................................................................................................................... 93
Chapter 4: Beginning the Installation ............................................................................................................................ 97
Reviewing Safety Precautions ..................................................................................................................................... 98
Installation Options .................................................................................................................................................... 103
Choosing a Site for the Chassis ................................................................................................................................ 104
Unpacking the Switch ................................................................................................................................................ 105
Verifying the Accessory Kit ........................................................................................................................................ 109
Unpacking the PWR600 AC Power Supply ............................................................................................................... 111
Unpacking the PWR600 DC Power Supply ............................................................................................................... 114
Chapter 5: Installing Power Supplies and Optional XEM2 Line Card ....................................................................... 115
Installing PWR600 AC Power Supplies ..................................................................................................................... 116
Installing PWR600 DC Power Supplies ..................................................................................................................... 120
Connecting the Grounding Wire ................................................................................................................................ 123
Connecting the DC Power Wires ............................................................................................................................... 126
Installing an Optional XEM2 Ethernet Line Card ....................................................................................................... 130
Chapter 6: Installing the Switch on a Table ................................................................................................................. 135
Chapter 7: Installing the Switch in an Equipment Rack ............................................................................................. 139
Beginning the Installation .......................................................................................................................................... 140
Required Items ................................................................................................................................................... 140
Switch Orientations in the Equipment Rack ....................................................................................................... 140
Removing the Bumper Feet....................................................................................................................................... 142
Installing the Switch................................................................................................................................................... 143
Chapter 8: Installing the Switch on a Wall ................................................................................................................... 147
Switch Orientations on a Wall.................................................................................................................................... 148
Recommended Minimum Wall Area Dimensions ...................................................................................................... 149
Plywood Base for a Wall with Wooden Studs............................................................................................................ 151

x950-28XSQ Switch and VCStack Installation Guide
7
Installation Guidelines ................................................................................................................................................153
Tools and Material...............................................................................................................................................153
Installing the Plywood Base .......................................................................................................................................155
Installing the Switch on the Plywood Base.................................................................................................................156
Installing the Switch on a Concrete Wall ....................................................................................................................159
Chapter 9: Installing the Switch in the RKMT-SL01 Sliding Rack ............................................................................. 163
Introduction.................................................................................................................................................................164
Rack Mount Kit Components......................................................................................................................................165
Adjustable Outer Rails ........................................................................................................................................165
Inner Rails ...........................................................................................................................................................165
Extension Brackets .............................................................................................................................................165
Equipment Rack Requirements..................................................................................................................................167
Reviewing Safety Precautions....................................................................................................................................168
Installation Overview ..................................................................................................................................................171
Unpacking the Shipping Container .............................................................................................................................172
Installing the Outer Rails on the Equipment Rack......................................................................................................174
Installing the Extension Brackets on the Inner Rails ..................................................................................................176
Measuring the Extension Bracket Lengths..........................................................................................................176
Assembling the Extension Brackets ....................................................................................................................178
Installing the Inner Rails on the Switch.......................................................................................................................182
Installing the Switch in the Equipment Rack...............................................................................................................184
Chapter 10: Configuring the Master Switch ................................................................................................................ 187
Command Summary...................................................................................................................................................188
PLATFORM PORTMODE INTERFACE..............................................................................................................188
STACKPORT ......................................................................................................................................................189
STACK ENABLE .................................................................................................................................................189
STACK PRIORITY ..............................................................................................................................................190
STACK RENUMBER...........................................................................................................................................190
SWITCH PROVISION .........................................................................................................................................190
Powering On a Switch ................................................................................................................................................192
Powering on the PWR600 AC Power Supply......................................................................................................192
Powering on the PWR600 DC Power Supply......................................................................................................194
Starting a Local Management Session.......................................................................................................................196
General Steps for the Master Switch..........................................................................................................................198
Configuring the Master Switch - Part I........................................................................................................................200
Configuring the Master Switch - Part II.......................................................................................................................203
Verifying the Master Switch ........................................................................................................................................206
What to Do Next .........................................................................................................................................................208
Chapter 11: Configuring Member Switches ................................................................................................................ 209
General Steps for Member Switches..........................................................................................................................210
Configuring a Member Switch - Part I.........................................................................................................................212
Configuring a Member Switch - Part II........................................................................................................................215
Verifying a Member Switch.........................................................................................................................................218
What to Do Next .........................................................................................................................................................220
Chapter 12: Powering On and Verifying the Stack ..................................................................................................... 221
Powering on the Stack ...............................................................................................................................................222
Verifying the Stack .....................................................................................................................................................223
Chapter 13: Cabling the Networking Ports .................................................................................................................. 225
Cabling Twisted Pair Ports .........................................................................................................................................226
Guidelines to Handling Twisted Pair or Fiber Optic Transceivers ..............................................................................227
Installing Transceivers................................................................................................................................................228
Installing Direct Attach Cables....................................................................................................................................235
Chapter 14: Replacing Modules ................................................................................................................................... 237
Replacing XEM2 Ethernet Line Cards........................................................................................................................238
Replacing PWR600 AC Power Supplies ....................................................................................................................243
Replacing PWR600 DC Power Supplies ....................................................................................................................248

Contents
8
Replacing FAN05 Modules ........................................................................................................................................ 251
Removing Fan Modules ..................................................................................................................................... 251
Installing Fan Modules ....................................................................................................................................... 253
Chapter 15: Troubleshooting ........................................................................................................................................ 257
Appendix A: Technical Specifications ......................................................................................................................... 263
Physical Specifications .............................................................................................................................................. 264
Environmental Specifications..................................................................................................................................... 267
Power Specifications ................................................................................................................................................. 268
Certifications .............................................................................................................................................................. 277
RJ-45 Twisted Pair Port Pinouts................................................................................................................................ 278
RJ-45 Style Serial Console Port Pinouts ................................................................................................................... 280

9
Figure 1: Front Panels of the x950 Switches........................................................................................................................20
Figure 2: Rear Panel of the x950 Switches ..........................................................................................................................21
Figure 3: Link and Activity LEDs for Ports for 1/2.5/5/10Gbps SFP/SFP+ Transceivers...................................................... 26
Figure 4: Link and Activity LEDs for Ports 1 to 24 on the x950-28XTQm Switch .................................................................28
Figure 5: QSFP-4SFP10G-3CU or QSFP-4SFP10G-5CU Copper Breakout Cable ............................................................30
Figure 6: ET3-MPO08-4LC-5 or ET3-MPO08-4LC-10 Fiber Optic Breakout Cable.............................................................30
Figure 7: LEDs for Ports 25, 29, 33, 37 on the x950-28XSQ and x950-28XTQm Switches.................................................30
Figure 8: LEDs for Ports 49, 53, 57, 61 on x950-52XSQ Switch..........................................................................................31
Figure 9: Management Panel for the x950-28XSQ and x950-28XTQm Switches................................................................34
Figure 10: Management Panel for the x950-52XSQ Switch.................................................................................................34
Figure 11: Switch ID LED with the eco-friendly Mode Disabled ...........................................................................................37
Figure 12: Switch ID LED with the eco-friendly Mode Enabled ............................................................................................37
Figure 13: PWR600 AC Power Supply .................................................................................................................................41
Figure 14: PWR600 DC Power Supply.................................................................................................................................43
Figure 15: LEDs for PWR600 DC Power Supply..................................................................................................................43
Figure 16: FAN05 Fan Module .............................................................................................................................................45
Figure 17: PORT Parameter in the Command Line Interface...............................................................................................46
Figure 18: Slot Numbers for Port Numbering .......................................................................................................................47
Figure 19: XEM2 Ethernet Line Cards..................................................................................................................................52
Figure 20: XEM2-8XSTm Line Card .....................................................................................................................................55
Figure 21: XEM2-12XT Line Card ........................................................................................................................................59
Figure 22: XEM2-12XTm Line Card .....................................................................................................................................61
Figure 23: XEM2-12XS Line Card ........................................................................................................................................63
Figure 24: XEM2-12XS and XEM2-12XS v2 Line Cards......................................................................................................64
Figure 25: XEM2-4QS Line Card..........................................................................................................................................66
Figure 26: XEM2-1CQ Line Card..........................................................................................................................................68
Figure 27: Example Stacks of x950-28XSQ Switches with Trunks of 10Gbps Ports ...........................................................76
Figure 28: Example Stacks of x950-28XTQm Switches with Trunks of 10Gbps Ports.........................................................77
Figure 29: Example Stack Trunks of 10Gbps Links on x950-28XSQ and x950-52XSQ Switches .......................................78
Figure 30: Stack Trunk Examples of Two Switches with Trunk 40Gbps Links.....................................................................79
Figure 31: Stack Trunk Examples of Three or Four Switches with 40Gbps Links................................................................80
Figure 32: Stack Trunk Examples with 100Gbps Links ........................................................................................................81
Figure 33: Example Trunk Using XEM2-12XT Line Cards ...................................................................................................83
Figure 34: Example Trunk Using XEM2-12XS Line Cards...................................................................................................83
Figure 35: Example Trunk Using XEM2-4QS Line Cards.....................................................................................................84
Figure 36: Unsupported Trunk with Different Numbers of Links Between Switches ............................................................84
Figure 37: Unsupported Trunk with Mixed Cables................................................................................................................85
Figure 38: Unsupported Trunk with Both Base and XEM2 Line Card Ports.........................................................................85
Figure 39: Unsupported Trunk of Connected Base and Line Card Ports .............................................................................85
Figure 40: Unsupported Trunk with Only One Link Between Switches ................................................................................86
Figure 41: Unsupported Trunk with Different Port Speeds...................................................................................................86
Figure 42: Not Recommended Stack Trunk of XEM2-1CQ Line Cards................................................................................87
Figure 43: Unsupported Trunk with a 10Gbps Breakout Cable............................................................................................87
Figure 44: Unsupported Trunk with Intermediary Network Devices .....................................................................................88
Figure 45: Installation Options ............................................................................................................................................103
Figure 46: Removing Accessories ......................................................................................................................................105
Figure 47: Removing the Shipping Partition .......................................................................................................................106
Figure 48: Lifting the Switch from the Shipping Box...........................................................................................................107
Figure 49: Removing the Switch from the Shipping End-caps and Protective Bag............................................................107
Figures

Figures
10
Figure 50: Accessory Kit .....................................................................................................................................................109
Figure 51: Removing the Power Cord and Documents from the PWR600 AC Power Supply............................................111
Figure 52: Removing the Partition from the PWR600 AC Power Supply Shipping Box .....................................................112
Figure 53: Removing the Power Supply from the Shipping Box.........................................................................................113
Figure 54: Removing the Power Supply from the Shipping End-caps and Protective Bag.................................................113
Figure 55: Removing the Blank Power Supply Panel from Slot PSU B..............................................................................117
Figure 56: Sliding the PWR600 AC Power Supply into the Switch.....................................................................................118
Figure 57: Seating the Power Supply on the Internal Connector........................................................................................119
Figure 58: Sliding the PWR600 DC Power Supply into the Chassis...................................................................................121
Figure 59: Stripping the Grounding Wire ............................................................................................................................123
Figure 60: Loosening the Screw for the Panel....................................................................................................................124
Figure 61: Accessing the Connectors .................................................................................................................................124
Figure 62: Loosening the Ground Screw ............................................................................................................................125
Figure 63: Wrapping the Grounding Wire and Tightening the Screw .................................................................................125
Figure 64: Stripping the Power Wire ...................................................................................................................................126
Figure 65: Wrapping the Wire Strands................................................................................................................................126
Figure 66: Loosening the Screw for the Negative (-) ..........................................................................................................127
Figure 67: Tightening the Screw for the Negative (-)..........................................................................................................127
Figure 68: Loosening the Screw for the Negative (+) .........................................................................................................128
Figure 69: Tightening the Screw for the Negative (+) .........................................................................................................128
Figure 70: Placing the Cover Panel ....................................................................................................................................129
Figure 71: Tightening the Screw for the Cover Panel.........................................................................................................129
Figure 72: Removing the Blank Line Card Cover ...............................................................................................................130
Figure 73: Removing the Ethernet Line Card from the Anti-static Bag ...............................................................................131
Figure 74: Sliding the Ethernet Line Card into the Slot.......................................................................................................131
Figure 75: Seating the Ethernet Line Card in the Expansion Slot.......................................................................................132
Figure 76: Tightening the Two Captive Screws on the Ethernet Line Card ........................................................................133
Figure 77: Parts of the Bumper Feet...................................................................................................................................135
Figure 78: Holes for Bumper Feet.......................................................................................................................................136
Figure 79: Inserting the Rivet Housing into the Bumper Foot.............................................................................................136
Figure 80: Placing the Bumper Foot on a Base Corner Hole..............................................................................................137
Figure 81: Inserting the Rivet into the Bumper Foot ...........................................................................................................137
Figure 82: Bracket Holes on the Switch..............................................................................................................................140
Figure 83: Switch Orientations in an Equipment Rack........................................................................................................141
Figure 84: Removing the Bumper Feet...............................................................................................................................142
Figure 85: Attaching the Equipment Rack Brackets ...........................................................................................................144
Figure 86: Installing the Switch in an Equipment Rack.......................................................................................................144
Figure 87: Positions of the Switch on the Wall....................................................................................................................148
Figure 88: Minimum Wall Area Dimensions with the Front Panel on the Left.....................................................................149
Figure 89: Minimum Wall Area Dimensions with the Front Panel on the Right ..................................................................150
Figure 90: Switch on the Wall with a Plywood Base...........................................................................................................151
Figure 91: Steps to Installing the Switch with a Plywood Base...........................................................................................152
Figure 92: Installing the Brackets to the Switch for Wall Installation...................................................................................156
Figure 93: Attaching the Switch to the Plywood Base ........................................................................................................157
Figure 94: Marking the Locations of the Bracket Holes on a Concrete Wall.......................................................................160
Figure 95: Installing the Switch on a Concrete Wall ...........................................................................................................161
Figure 96: Outer Rails.........................................................................................................................................................165
Figure 97: Inner Rails..........................................................................................................................................................165
Figure 98: Extension Brackets ............................................................................................................................................166
Figure 99: Shipping Container Contents.............................................................................................................................172
Figure 100: FRONT and REAR Labels on the Outer Rails.................................................................................................174
Figure 101: Installing the Outer Rails on the Equipment Rack ...........................................................................................175
Figure 102: Extension Brackets ..........................................................................................................................................176
Figure 103: Example of a Switch Recessed in an Equipment Rack...................................................................................176
Figure 104: Inserting an Inner Rail into an Outer Rail.........................................................................................................177
Figure 105: Example of Positioning the Inner Rail..............................................................................................................177
Figure 106: Measuring for the Extension Brackets.............................................................................................................177
Figure 107: Removing the Inner Rail ..................................................................................................................................178
Figure 108: Extension Bracket Parts ..................................................................................................................................178
Figure 109: Extension Bracket Configurations....................................................................................................................179

x950 Installation Guide for Virtual Chassis Stacking
11
Figure 110: Example of Attaching the Extension Brackets to the Inner Rails.....................................................................180
Figure 111: Testing the Inner Rails with the Extension Brackets .......................................................................................181
Figure 112: Verifying the Length of the Extension Bracket.................................................................................................181
Figure 113: Inner Rail Screw Holes for the x950-28XSQ and x950-28XTQm Switches ....................................................182
Figure 114: Inner Rail Screw Holes for the x950 Switch ....................................................................................................182
Figure 115: Attaching the Inner Rails to the x950 Switch...................................................................................................183
Figure 116: Sliding the Inner Rails on the Switch into the Outer Rails ...............................................................................184
Figure 117: Affixing the Warning Labels.............................................................................................................................185
Figure 118: Tightening the Two Screws on the Fixed Brackets .........................................................................................185
Figure 119: Tightening the Screws on the Outer Rails.......................................................................................................186
Figure 120: Connecting the AC Power Cord ......................................................................................................................192
Figure 121: Securing the Power Cord with the Restraining Strap ......................................................................................193
Figure 122: Connecting the Power Cord to an AC Power Source......................................................................................194
Figure 123: Connecting the Management Cable to the Console RS-232 Port ...................................................................196
Figure 124: User Exec Mode Prompt .................................................................................................................................197
Figure 125: Powering Off the AC Power Supply.................................................................................................................208
Figure 126: SHOW STACK Command...............................................................................................................................223
Figure 127: Handle on 100Gbps Transceivers for XEM2-1CQ Line Cards ........................................................................227
Figure 128: SP10T Transceivers ........................................................................................................................................229
Figure 129: Installing an SFP or SFP+ Transceiver ...........................................................................................................232
Figure 130: Installing 40Gbps Fiber Optic Transceivers in XEM2-4QS Line Cards ...........................................................232
Figure 131: Installing 100Gbps QSFP28 Transceivers in Base Ports 25, 29, 33, 37 .........................................................233
Figure 132: Installing 100Gbps QSFP28 Transceivers in XEM2-1CQ Line Cards.............................................................233
Figure 133: Installing SP10TW Direct Attach Cables .........................................................................................................235
Figure 134: Attaching QSFPCU Cables .............................................................................................................................236
Figure 135: Loosening the Screws on the Ethernet Line Card...........................................................................................239
Figure 136: Disconnecting an Ethernet Line Card from the Switch ....................................................................................240
Figure 137: Sliding an Ethernet Line Card from the Switch................................................................................................240
Figure 138: Placing the Ethernet Line Card in its Anti-static Bag.......................................................................................241
Figure 139: Installing the Line Card Blank Cover ...............................................................................................................241
Figure 140: Tightening the Two Screws on the Line Card Blank Panel .............................................................................242
Figure 141: Disconnecting the AC Power Cord from the Power Source ............................................................................243
Figure 142: Opening the Restraining Strap on the Power Supply......................................................................................244
Figure 143: Disconnecting the Power Cord from the Power Supply...................................................................................244
Figure 144: Removing the Power Supply ...........................................................................................................................245
Figure 145: Removing a Power Supply ..............................................................................................................................246
Figure 146: Installing the Blank Power Supply Cover.........................................................................................................247
Figure 147: Loosening the Screw for the Panel..................................................................................................................248
Figure 148: Accessing the Connecting Screws ..................................................................................................................249
Figure 149: Front Panel of the PWR600 DC Power Supply ...............................................................................................249
Figure 150: Front Panel of the PWR600 DC Power Supply ...............................................................................................250
Figure 151: Loosening the Screws on the Fan Module ......................................................................................................251
Figure 152: Disconnecting the FAN05 Module from the Switch .........................................................................................252
Figure 153: Sliding the Fan Module from the Switch..........................................................................................................252
Figure 154: Removing the Fan Module from the Shipping Container.................................................................................253
Figure 155: Aligning the FAN05 Module in the Switch Slot ................................................................................................254
Figure 156: Seating the FAN05 Module on the Internal Connector....................................................................................254
Figure 157: Tightening the Two Captive Screws on the FAN05 Module ............................................................................255
Figure 158: Switch Width and Height .................................................................................................................................264
Figure 159: Switch Depth and Locations of Bracket Holes.................................................................................................265
Figure 160: Pin Layout (Front View) of Twisted Pair Ports.................................................................................................278

Figures
12

13
Tables
Table 1: Link and Activity Status LEDs for Ports for 1/2.5/5/10Gbps SFP/SFP+ Transceivers ...........................................26
Table 2: Twisted Pair Ports 1 to 24 on the x950-28XTQm Switch .......................................................................................27
Table 3: Link and Activity LEDs for Ports 1 to 24 on the x950-28XTQm Switch .................................................................28
Table 4: Ports for QSFP ......................................................................................................................................................29
Table 5: Link and Activity Status LEDs for 40Gbps QSFP+ or 100Gbps QSFP28 Transceivers ........................................31
Table 6: Link and Activity Status LEDs for 10Gbps Breakout Cables .................................................................................32
Table 7: Port Numbering for Ports 25 to 37 .........................................................................................................................32
Table 8: Port Numbering for Ports 49, 53, 57, and 61 .........................................................................................................33
Table 9: NET MGMT Port LED ............................................................................................................................................36
Table 10: Optional Direct Attach Cables ..............................................................................................................................39
Table 11: LEDs on the PWR600 AC Power Supply ............................................................................................................42
Table 12: LEDs on the PWR600 DC Power Supply ............................................................................................................43
Table 13: PORT Parameter Format .....................................................................................................................................46
Table 14: Software and Hardware Releases ......................................................................................................................49
Table 15: XEM2 Ethernet Line Cards ..................................................................................................................................53
Table 16: Twisted Pair Ports on the XEM2-8XSTm Line Card ............................................................................................55
Table 17: Link and Activity LEDs for the Twisted Pair Ports on the XEM2-8XSTm Line Card ............................................56
Table 18: Link and Activity LEDs for the SFP Ports on the XEM2-8XSTm Line Card .........................................................57
Table 19: Twisted Pair Ports on the XEM2-12XT Line Card ...............................................................................................59
Table 20: Port Link and Activity LEDs on the XEM2-12XT Line Card .................................................................................60
Table 21: Twisted Pair Ports on the XEM2-12XTm Line Card ............................................................................................61
Table 22: Link and Activity LEDs on the XEM2-12XTm Line Card ......................................................................................62
Table 23: Port Link and Activity LEDs on the XEM2-12XS Line Card .................................................................................64
Table 24: Port Link and Activity Status LEDs on the XEM2-4QS Line Card .......................................................................67
Table 25: Link and Activity Status LEDs for 10Gbps Breakout Cables ...............................................................................67
Table 26: Port Link and Activity Status LED on the XEM2-1CQ Line Card .........................................................................68
Table 27: Maximum Number of Trunk Ports Per Switch ......................................................................................................82
Table 28: Stacking Worksheet .............................................................................................................................................93
Table 29: Stacking Worksheet Columns ..............................................................................................................................94
Table 30: Example of a Completed Stack Worksheet .........................................................................................................96
Table 31: Extension Bracket Parts ....................................................................................................................................178
Table 32: Configuring the Master Switch - Part I ...............................................................................................................200
Table 33: Configuring the Master Switch- Part II ...............................................................................................................203
Table 34: Verifying the Master Switch ...............................................................................................................................206
Table 35: Configuring a Member Switch - Part I ................................................................................................................212
Table 36: Configuring a Member Switch - Part II ...............................................................................................................215
Table 37: Verifying a Member Switch ................................................................................................................................218
Table 38: Transceivers for the Base Transceiver Slots .....................................................................................................228
Table 39: Transceivers for XEM2 Ethernet Line Cards .....................................................................................................229
Table 40: Product Dimensions ...........................................................................................................................................264
Table 41: Product Weights ................................................................................................................................................265
Table 42: Ventilation Requirements ...................................................................................................................................266
Table 43: Environmental Specifications .............................................................................................................................267
Table 44: Maximum Power Consumptions (Watts) for the x950-28XSQ Switch ...............................................................268
Table 45: Maximum Power Consumptions (Watts) for the x950-28XTQm Switch ............................................................270
Table 46: Maximum Power Consumptions (Watts) for the x950-52XSQ Switch ...............................................................271
Table 47: Typical Power Savings in eco-friendly Mode (Watts) for the x950-28XSQ Switch ............................................272
Table 48: Typical Power Savings in eco-friendly Mode (Watts) for the x950-28XTQm Switch .........................................272
Table 49: Input Voltages ....................................................................................................................................................273

Tables
14
Table 50: Maximum Power Supply Efficiency (Based on 100V Input Voltage) ..................................................................273
Table 51: Heat Dissipations for the x950-28XSQ Switch ...................................................................................................273
Table 52: Heat Dissipations for the x950-28XTQm Switch ................................................................................................275
Table 53: Heat Dissipations for the x950-52XSQ Switch ...................................................................................................276
Table 54: Product Certifications .........................................................................................................................................277
Table 55: Pin Signals on RJ-45 Twisted Pair Ports at 100Mbps ......................................................................................278
Table 56: Pin Signals on Twisted Pair Ports at 1/2.5/5/10Gbps ........................................................................................279
Table 57: RJ-45 Style Serial Console Port Pin Signals .....................................................................................................280

15
Preface
This guide contains the installation instructions for the x950 Series of
advanced Layer 3+ Ethernet switches. The instructions explain how to
build a virtual stack of up to four units with the Virtual Chassis Stacking
(VCStack) feature. For instructions on how to install the switches as stand-
alone devices, refer to the x950 Series Installation Guide for Stand-alone
Switches.
This preface contains the following sections:
“Document Conventions” on page 16
“Contacting Allied Telesis” on page 17

Preface
16
Document Conventions
This document uses the following conventions:
Note
Notes provide additional information.
Caution
Cautions inform you that performing or omitting a specific action
may result in equipment damage or loss of data.
Warning
Warnings inform you that performing or omitting a specific action
may result in bodily injury.

x950 Series Installation Guide for VCStack
17
Contacting Allied Telesis
For assistance with this product, you may contact Allied Telesis technical
support by going to the Support & Services section of the Allied Telesis
web site at www.alliedtelesis.com/support. The page has links to the
following services:
24/7 Online Support — Enter our interactive support center to
search for answers to your product questions in our knowledge
database, to check support tickets, to learn about RMAs, and to
contact Allied Telesis technical experts.
USA and EMEA phone support — Select the phone number that
best fits your location and customer type.
Hardware warranty information — Learn about Allied Telesis
warranties and register your product online.
Replacement Services — Submit a Return Merchandise
Authorization (RMA) request via our interactive support center.
Documentation — View the most recent installation and user
guides, software release notes, white papers, and data sheets for
your products.
Software Downloads — Download the latest software releases for
your managed products.
For sales or corporate information, go to www.alliedtelesis.com/contact
and select your region.

Preface
18

19
Chapter 1
Overview
The chapter contains the following sections:
“x950 Switches” on page 20
“Features” on page 22
“Ports for 1/2.5/5/10Gbps SFP/SFP+ Transceivers” on page 25
“Ports 1 to 24 on the x950-28XTQm Switch” on page 27
“Ports for 40Gbps QSFP+ or 100Gbps QSFP28 Transceiver, or
Breakout Cables” on page 29
“Management Panel” on page 34
“Optional Direct Attach Cables” on page 39
“PWR600 AC and DC Power Supplies” on page 40
“FAN05 Cooling Fan” on page 45
“Designating Ports in the Command Line Interface” on page 46
“Software and Hardware Releases” on page 49

Chapter 1: Overview
20
x950 Switches
The front panels of the switches are shown in Figure 1.
Figure 1. Front Panels of the x950 Switches
XEM2 Line Card
Expansion Slot
Ports 25, 29, 33, 37:
40Gbps or 100Gbps
Transceivers, or
10Gbps Breakout Cables
Management Panel
Ports 1 to 24:
1/2.5/5/10 SFP/SFP+
Transceivers
XEM2 Line Card
Expansion Slot
Ports 25, 29, 33, 37:
40Gbps or 100Gbps
Transceivers, or
10Gbps Breakout Cables
Management Panel
Ports 1 to 24:
100Mbps, 1/2.5/5/10Gbps
Twisted Pair
x950-28XTQm Switch
x950-28XSQ Switch
x950-52XSQ Switch Management Panel
Ports 49, 53, 57, 61:
40Gbps or 100Gbps Transceivers,
or 10Gbps Breakout Cables
Ports 1 to 48:
1/2.5/5/10 SFP/SFP+
Transceivers