Allied Telesis AT-8100S/24C User manual

613-001478 Rev. E
8100S Series
Fast Ethernet Switches
AT-8100S/24C
AT-8100S/24
AT-8100S/24POE
AT-8100S/16F8-SC
AT-8100S/16F8-LC
AT-8100S/24F-LC
Stack Installation Guide

Copyright ©2014 Allied Telesis, Inc.
All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis, Inc.
Allied Telesis 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.
RFI Emissions FCC Class A, EN55022 Class A, EN61000-3-2, EN61000-3-3, VCCI
Class A, C-TICK, CE
EMC (Immunity) EN55024
Electrical Safety EN60950-1 (TUV), UL 60950-1 (CULUS)
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.
Laser Safety EN60825

4
Translated Safety Statements
Important: The indicates that translations of the safety statement are available in the PDF
document “Translated Safety Statements” posted on the Allied Telesis website at
www.alliedtelesis.com.

5
Contents
Document Conventions................................................................................................................................................14
Contacting Allied Telesis..............................................................................................................................................15
Chapter 1: Overview ........................................................................................................................................................ 17
Features .......................................................................................................................................................................18
8100S Models .......................................................................................................................................................18
10/100 Mbps Twisted Pair Ports...........................................................................................................................18
Fiber Optic Ports...................................................................................................................................................18
Power over Ethernet .............................................................................................................................................18
10/100/1000 Mbps Twisted Pair Ports ..................................................................................................................19
SFP Slots..............................................................................................................................................................19
Stacking Ports.......................................................................................................................................................19
LEDs .....................................................................................................................................................................20
MAC Address Table..............................................................................................................................................20
Installation Option .................................................................................................................................................20
Management Software and Interfaces ..................................................................................................................20
Management Methods ..........................................................................................................................................20
Fanless Models.....................................................................................................................................................20
8100S Twisted Pair Series Switches............................................................................................................................21
Front Panels..........................................................................................................................................................22
Front Panel Components ......................................................................................................................................22
8100S Fiber Optic Series Switches..............................................................................................................................23
Hardware Features ...............................................................................................................................................23
Front Panels..........................................................................................................................................................24
Fiber Optic Ports...................................................................................................................................................25
Back Panel Components..............................................................................................................................................26
Management Panel ......................................................................................................................................................27
Model Naming Conventions .........................................................................................................................................28
10/100Base-TX Twisted Pair Ports..............................................................................................................................30
Speed....................................................................................................................................................................30
Duplex Mode.........................................................................................................................................................30
Wiring Configuration..............................................................................................................................................30
Maximum Distance................................................................................................................................................31
Power Over Ethernet.............................................................................................................................................31
Cable Requirements .............................................................................................................................................31
Port Pinouts...........................................................................................................................................................31
10/100/1000Base-T Twisted Pair Ports........................................................................................................................32
Speed....................................................................................................................................................................32
Duplex Mode.........................................................................................................................................................32
Wiring Configuration..............................................................................................................................................32
Maximum Distance................................................................................................................................................33
Power Over Ethernet.............................................................................................................................................33
Cable Requirements .............................................................................................................................................33
Port Pinouts...........................................................................................................................................................33
SFP Slots .....................................................................................................................................................................34
Power Over Ethernet....................................................................................................................................................35
PoE Standards......................................................................................................................................................35
Powered Device Classes......................................................................................................................................35
Power Budget........................................................................................................................................................36
Port Prioritization...................................................................................................................................................37

Contents
6
Wiring Implementation.......................................................................................................................................... 38
S1 and S2 Stacking Ports............................................................................................................................................ 39
eco-friendly Button....................................................................................................................................................... 40
LEDs............................................................................................................................................................................ 41
10/100Base-TX Twisted Pair Port LEDs .............................................................................................................. 41
10/100/1000Base-T Twisted Pair Port LEDs........................................................................................................ 42
100Base-FX Port LEDs........................................................................................................................................ 43
SFP Slot LED....................................................................................................................................................... 44
S1 and S2 Stack Ports LEDs ............................................................................................................................... 45
Stack ID LED........................................................................................................................................................ 46
Console Port................................................................................................................................................................ 47
Power Supplies............................................................................................................................................................ 48
Power Connectors....................................................................................................................................................... 49
Chapter 2: Stacking Overview ........................................................................................................................................51
Stacking Guidelines..................................................................................................................................................... 52
Master Switch.............................................................................................................................................................. 54
Stacking Port Topologies............................................................................................................................................. 55
Active Boot Configuration File ..................................................................................................................................... 57
Initialization Process.................................................................................................................................................... 59
Chapter 3: Beginning the Installation ............................................................................................................................61
Installation Overview ................................................................................................................................................... 62
Reviewing Safety Precautions..................................................................................................................................... 63
Planning the Installation .............................................................................................................................................. 67
Choosing the Switches of the Stack..................................................................................................................... 67
Choosing a Site.................................................................................................................................................... 68
Unpacking the Switch.................................................................................................................................................. 69
8100S Series Switches ........................................................................................................................................ 69
AT-8100S/24C Switch.......................................................................................................................................... 70
Chapter 4: Installing and Labeling the Switches in an Equipment Rack ....................................................................71
Installing the Switches in an Equipment Rack............................................................................................................. 72
Labeling the Switches.................................................................................................................................................. 77
Chapter 5: Assigning the Stack ID Numbers and Cabling the Stacking Ports ..........................................................79
Powering on a Switch.................................................................................................................................................. 80
Verifying and Setting the Stack ID Numbers ............................................................................................................... 82
Starting a Local Management Session................................................................................................................. 82
Starting a Telnet Management Session ............................................................................................................... 83
Changing the Stack ID Number............................................................................................................................ 85
Cabling the Stacking Ports .......................................................................................................................................... 87
Chapter 6: Powering On and Verifying the Stack .........................................................................................................91
Powering on AC Switches ........................................................................................................................................... 92
Monitoring the Initialization Processes................................................................................................................. 93
Powering On DC Switches .......................................................................................................................................... 97
Verifying the Installation ............................................................................................................................................ 101
Chapter 7: Cabling the Network Ports .........................................................................................................................103
Cabling the Twisted Pair and Fiber Optic Ports......................................................................................................... 104
Twisted Pair Ports .............................................................................................................................................. 104
Fiber Optic Ports ................................................................................................................................................ 105
General Guidelines............................................................................................................................................. 105
Installing Optional SFP Transceivers......................................................................................................................... 106
Managing the Stack................................................................................................................................................... 110
Local Management............................................................................................................................................. 110
Telnet Management ........................................................................................................................................... 110
Secure Shell Management................................................................................................................................. 111
Web Browser Management................................................................................................................................ 112
SNMP................................................................................................................................................................. 112
Specifying Ports in the Command Line Interface for Switches in a Stack..........................................................112

Stack Installation Guide for 8100S Series Switches
7
Chapter 8: Troubleshooting .......................................................................................................................................... 115
Chapter 9: Adding or Removing Switches .................................................................................................................. 119
Removing or Replacing the Master Switch.................................................................................................................120
Uploading the Active Configuration File..............................................................................................................121
Removing the Current Master Switch..................................................................................................................122
Configuring the New Master Switch....................................................................................................................125
Connecting the New Master Switch to the Stack ................................................................................................127
Adding a New Member Switch ...................................................................................................................................128
Removing a Member Switch.......................................................................................................................................130
Appendix A: Technical Specifications ......................................................................................................................... 131
Physical Specifications...............................................................................................................................................131
Environmental Specifications .....................................................................................................................................132
Power Specifications..................................................................................................................................................133
Certifications...............................................................................................................................................................134
RJ-45 Twisted Pair Port Pinouts.................................................................................................................................134
Fiber Optic Port Specifications...................................................................................................................................136
RJ-45 Style Serial Console Port Pinouts....................................................................................................................138
Stacking Port Pinouts.................................................................................................................................................139

Contents
8

9
Figures
Figure 1: 8100S Series Switches..........................................................................................................................................22
Figure 2: Front Panel Components on the 8100S Twisted Pair Switches............................................................................22
Figure 3: Front Panels of the 8100S Fiber Optic Series.......................................................................................................24
Figure 4: Front Panels of the 8100S Fiber Optic Series (Continued)...................................................................................25
Figure 5: Back Panels of the Single Power Supply Switches...............................................................................................26
Figure 6: Back Panels on the Dual Power Supply Models ...................................................................................................26
Figure 7: Management Panel ...............................................................................................................................................27
Figure 8: Model Naming Conventions for the Twisted Pair 8100S Series Switches ............................................................28
Figure 9: Model Naming Conventions of the Fiber Optic 8100S Series...............................................................................28
Figure 10: 10/100Base-TX Port LEDs..................................................................................................................................41
Figure 11: 10/100/1000Base-T Port LEDs............................................................................................................................42
Figure 12: 100Base-FX Port LED.........................................................................................................................................43
Figure 13: SFP Slot LEDs ....................................................................................................................................................44
Figure 14: Stacking Port S1 and S2 LEDs............................................................................................................................45
Figure 15: Stack ID LED.......................................................................................................................................................46
Figure 16: Duplex-chain and Duplex-ring Configurations.....................................................................................................56
Figure 17: Switches in an Equipment Rack..........................................................................................................................68
Figure 18: Stack on a Table or Desktop...............................................................................................................................68
Figure 19: Components of the 8100S Series Switches........................................................................................................69
Figure 20: Components of the AT-8100S/24C Switch..........................................................................................................70
Figure 21: Turning the Switch Upside Down........................................................................................................................72
Figure 22: Removing the Rubber Feet .................................................................................................................................72
Figure 23: Attaching the Brackets to Install the Switch in an Equipment Rack ....................................................................73
Figure 24: Attaching the Brackets to Install the Switch in an Equipment Rack (Continued).................................................74
Figure 25: Attaching the Brackets to the AT-8100S/24C Switch to Install the Switch in an Equipment Rack......................74
Figure 26: Attaching the Brackets to the AT-8100S/24C Switch to Install the Switch in an Equipment Rack (Continued)..75
Figure 27: Mounting the Switch in an Equipment Rack........................................................................................................76
Figure 28: Labelling the Switches.........................................................................................................................................77
Figure 29: Connecting the AC Power Cord ..........................................................................................................................80
Figure 30: Connecting the Management Cable to the RJ-45 Terminal Port on the Switch..................................................83
Figure 31: Connecting the Twisted Pair Cable to a Networking Port on the Switch.............................................................84
Figure 32: AlliedWare Plus Command Line Prompt.............................................................................................................85
Figure 33: STACK Command Confirmation Prompt.............................................................................................................85
Figure 34: Connecting the Stacking Cable...........................................................................................................................87
Figure 35: Example Stack of Four Switches.........................................................................................................................88
Figure 36: Example Stack of Four Switches with a Redundant Path ...................................................................................89
Figure 37: Plugging in the AC Power Cords.........................................................................................................................92
Figure 38: Switch Initialization Messages.............................................................................................................................94
Figure 39: Switch Initialization Messages (Continued).........................................................................................................95
Figure 40: Switch Initialization Messages (Continued).........................................................................................................96
Figure 41: DC Terminal Block...............................................................................................................................................98
Figure 42: Stripped Wire.......................................................................................................................................................98
Figure 43: Inserting Wires into the DC Terminal Block.........................................................................................................99
Figure 44: SHOW STACK Command.................................................................................................................................101
Figure 45: Removing the Dust Plug from an SFP Slot .......................................................................................................107
Figure 46: Installing an SFP Transceiver............................................................................................................................107
Figure 47: Removing the Dust Cover from the SFP Module ..............................................................................................108
Figure 48: Positioning the SFP Handle in the Upright Position ..........................................................................................108
Figure 49: Connecting the Fiber Optic Cable to the SFP Module.......................................................................................109
Figure 50: PORT Parameter in the Command Line Interface.............................................................................................112

Figures
10
Figure 51: SHOW BOOT Command...................................................................................................................................121
Figure 52: Removing the Network Cables..........................................................................................................................122
Figure 53: Removing the Fiber Optic Cable from the SFP Module.....................................................................................123
Figure 54: Installing the Dust Cover on the SFP Module....................................................................................................123
Figure 55: Removing the SFP Module................................................................................................................................124
Figure 56: Installing the Dust Cover in the SFP Slot...........................................................................................................124
Figure 57: Removing the Stacking Cables..........................................................................................................................125
Figure 58: RJ-45 Connector and Port Pin Layout...............................................................................................................134
Figure 59: Stacking Port Pin Layout (Front View)...............................................................................................................139

11
Tables
Table 1: Hardware Features of the 8100S Twisted Pair Series ...........................................................................................21
Table 2: Hardware Features of the 8100S Fiber Optic Series .............................................................................................23
Table 3: General Specifications of the Fiber Optic Ports .....................................................................................................25
Table 4: Model Naming Conventions for the Twisted Pair 8100L and 8100S Series Switches ...........................................28
Table 5: Model Naming Conventions of the Fiber Optic 8100S Series Switches ................................................................29
Table 6: Twisted Pair Cable Requirements for the 10/100Base-TX Ports ...........................................................................31
Table 7: Twisted Pair Cable for the 10/100/1000Base-T Ports ...........................................................................................33
Table 8: Combo Ports ..........................................................................................................................................................34
Table 9: IEEE Powered Device Classes ..............................................................................................................................36
Table 10: 10/100Base-TX Port LEDs ..................................................................................................................................41
Table 11: 10/100/1000Base-T Port LEDs ............................................................................................................................42
Table 12: 100Base-FX Port LED .........................................................................................................................................43
Table 13: SFP Slot LED ......................................................................................................................................................44
Table 14: Stacking Port LED ...............................................................................................................................................45
Table 15: Installation Procedures ........................................................................................................................................62
Table 16: LEDs and Management Software Initialization ....................................................................................................93
Table 17: Product Dimensions ...........................................................................................................................................131
Table 18: Product Weights ................................................................................................................................................132
Table 19: Ventilation Requirements ...................................................................................................................................132
Table 20: Environmental Specifications .............................................................................................................................132
Table 21: Maximum Power Consumptions ........................................................................................................................133
Table 22: Input Voltages ....................................................................................................................................................133
Table 23: Product Certifications .........................................................................................................................................134
Table 24: Pin Signals for 10 and 100 Mbps .......................................................................................................................134
Table 25: Pin Signals - 1000 Mbps ....................................................................................................................................135
Table 26: Fiber Optic Port Specifications for the AT-8100S/16F8-SC Switch ...................................................................136
Table 27: Fiber Optic Port Specifications for the AT-8100S/16F8-LC and AT-8100S/24F-LC Switches ..........................137
Table 28: RJ-45 Style Serial Console Port Pin Signals .....................................................................................................138
Table 29: Stacking Port Pin Signals ..................................................................................................................................139

Tables
12

13
Preface
This guide contains instructions on how to install the 8100S Series of Fast
Ethernet switches in a stack configuration. For instructions on how to
install the switches as stand-alone units, refer to the Stand-alone Switch
Installation Guide for 8100L and 8100S Series Switches.
This preface contains the following sections:
“Document Conventions” on page 14
“Contacting Allied Telesis” on page 15
Note
This guide does not include the AT-8100S/48 and AT-8100S/48POE
Switches. The initial release of the management software supports
the 48-port switches as stand-alone units, but not in a stack. For
further information, contact your Allied Telesis representative.

Preface
14
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.

Stack Installation Guide for 8100S Series Switches
15
Contacting Allied Telesis
If you need 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. You can find links for
the following services on this page:
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/
purchase and select your region.

Preface
16

17
Chapter 1
Overview
This chapter contains the following sections:
“Features” on page 18
“8100S Twisted Pair Series Switches” on page 21
“8100S Fiber Optic Series Switches” on page 23
“Back Panel Components” on page 26
“Management Panel” on page 27
“Model Naming Conventions” on page 28
“10/100Base-TX Twisted Pair Ports” on page 30
“10/100/1000Base-T Twisted Pair Ports” on page 32
“SFP Slots” on page 34
“Power Over Ethernet” on page 35
“S1 and S2 Stacking Ports” on page 39
“eco-friendly Button” on page 40
“LEDs” on page 41
“Console Port” on page 47
“Power Supplies” on page 48
“Power Connectors” on page 49
Note
This guide contains instructions on how to install the 8100S Series
switches in a stack configuration with the S1 and S2 stacking ports.
For instructions on how to install the switches as stand-alone units,
refer to the Stand-alone Switch Installation Guide for 8100L and
8100S Series Switches.
Note
This guide does not include the AT-8100S/48 and AT-8100S/48POE
Switches. The initial release of the management software supports
the 48-port switches as stand-alone units, but not in a stack. For
further information, contact your Allied Telesis representative.

Chapter 1: Overview
18
Features
Here is a list of the switches and their features:
8100S Models Here are the 8100S Series switches:
AT-8100S/24C
AT-8100S/24
AT-8100S/24POE
AT-8100S/16F8-SC
AT-8100S/16F8-LC
AT-8100S/24F-LC
10/100 Mbps
Twisted Pair
Ports
Here are the basic features of the 10/100 Mbps twisted pair ports:
8 or 24 ports per switch
10Base-T and 100Base-TX compliant
IEEE 802.3u Auto-Negotiation compliant
Auto-MDI/MDIX
100 meters (328 feet) maximum operating distance
IEEE 802.3x flow control in 10/100Base-TX full-duplex operation
IEEE 802.3x backpressure in 10/100Base-TX half-duplex
operation
Support for jumbo frames up to 10KB
RJ-45 connectors
Fiber Optic Ports Here are the basic features of the fiber optic ports:
16 or 24 ports per switch
100Base-FX compliant
Duplex SC or duplex LC
Maximum distance of 2 kilometers (1.24 miles) for the fiber optic
ports on the AT-8100S/16F8-LC, AT-8100S/16F8-SC, and
AT-8100S/24F-LC Switches
Power over
Ethernet Here are the basic features of Power over Ethernet (PoE):
PoE and PoE+ supported on the 10/100Base-TX ports on the
AT-8100S/24POE Switch
Powered device classes 0 to 4
Power budget of 370 watts for the AT-8100S/24POE Switch

Stack Installation Guide for 8100S Series Switches
19
Port prioritization
10/100/1000
Mbps Twisted
Pair Ports
Here are the basic features of the 10/100/1000 Mbps twisted pair ports:
Two ports per switch
10Base-T, 100Base-TX, and 1000Base-T compliant
IEEE 802.3u Auto-Negotiation compliant
Auto-MDI/MDIX
100 meters (328 feet) maximum operating distance
IEEE 802.3x flow control in 10/100Base-TX full-duplex operation
IEEE 802.3x backpressure in 10/100Base-TX half-duplex
operation
IEEE 803.3z 1000Base-T flow control
Support for jumbo frames up to 10KB
RJ-45 connectors
SFP Slots Here are the basic features of the SFP slots:
Two slots per switch
Support 100Mbps 100Base-FX or 1000Mbps 1000Base-SX/LX
transceivers
Note
The SFP slots are paired with the 10/100/1000Base-TX twisted pair
ports on the switch to form combo ports. For information, refer to
“SFP Slots” on page 34.
Note
SFP transceivers must be purchased separately. For a list of
supported transceivers, contact your Allied Telesis distributor or
reseller.
Stacking Ports Here are the basic features of the stacking ports on the 8100S Series
switches:
Two stacking ports
10Gbps total bandwidth
High-definition Multimedia Interface (HDMI) connectors

Chapter 1: Overview
20
LEDs Here are the port LEDs:
Duplex mode and link/activity LEDs for the twisted pair ports
Link/activity LEDs for the 100Base-FX fiber optic ports
Link/activity LEDs for the SFP slots
Link LEDs for the stacking ports
Stack ID number LED
eco-friendly button to turn off the LEDs to conserve electricity
MAC Address
Table Here are the basic features of the MAC address tables of the switches:
Storage capacity of 16,000 MAC address entries
Automatic learning and aging
Installation
Option Here is the installation option for a stack of 8100S Series switches:
19-inch equipment rack
Warning
You should install the switches of a stack in a standard 19-inch
equipment rack. Allied Telesis does not recommend installing a
stack on a table or desktop because it may create a hazardous work
area.
Management
Software and
Interfaces
Here are the management software and management interfaces:
AlliedWare Plus Management Software
Command line interface
Web browser interface
Management
Methods Here are the methods for managing the switches:
Local management through the Console port
Remote Telnet and Secure Shell management
Remote HTTP and HTTPS web browser management
SNMPv1, v2c, and v3
Fanless Models Here are the 8100S Series switches that do not have fans:
AT-8100S/24 Switch
AT-8100S/24C Switch