IBM 8285 Nways User manual

IBM 8285 Nways ATM Workgroup Switch IBM
Installation and User’s Guide
SA33-0381-01

IBM 8285 Nways ATM Workgroup Switch IBM
Installation and User’s Guide
SA33-0381-01

Note!
Before using this information and the product it supports, be sure to read the general information
under “Notices” on page xv.
Second Edition (June 1996)
The information contained in this manual is subject to change from time to time. Any such changes will be reported in
subsequent revisions.
Order publications through your IBM representative or the IBM branch office serving your locality. Publications are not
stocked at the address given below.
A form for readers' comments appears at the back of this publication. If the form has been removed, address your
comments to:
IBM France
Centre d'Etudes et Recherches
Service 0798 - BP 79
06610 La Gaude
France
FAX: [phone]
E-mail: FRIBMQF5 at IBMMAIL
IBM Internal Use: LGERCF at LGEPROFS
Internet: [email protected]
When you send information to IBM, you grant IBM a non-exclusive right to use or distribute the information in any way
it believes appropriate without incurring any obligation to you.
 Copyright International Business Machines Corporation 1995, 1996. All rights reserved.
Note to U.S. Government Users — Documentation related to restricted rights — Use, duplication or disclosure is
subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp.

Contents
Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Product Page/Warranties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Industry Standards Reflected in This Product ............................. xvi
CE European Community Marking ................................... xvii
Electronic Emission Notices ...................................... xvii
Trademarks and Service Marks ................................... xviii
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Laser Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
How to Use This Guide ........................................ xxi
Who Should Use This Guide ...................................... xxi
Contents of This Guide ......................................... xxi
Related Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
Prerequisite Knowledge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii
Automatic Update Service ...................................... xxiv
Improved Decision Making .................................... xxiv
Asset Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv
Connectivity Improvements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv
Network Operations Productivity ................................. xxiv
Conventions Used in This Guide .................................... xxv
Part 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Chapter 1. Introduction to the IBM 8285 Nways ATM Workgroup Switch ............. 3
ATM Workgroup Switch Components .................................. 3
Base Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Expansion Unit Feature ........................................ 4
The ATM Workgroup Switch Base Unit ................................. 5
ATM Ports on the Base Unit ..................................... 6
LEDs on the Base Unit ........................................ 7
Connectors and Controls on the Base Unit .............................. 8
The ATM Workgroup Switch Expansion Unit Feature .......................... 9
Slots for ATM Media Modules .................................... 10
LEDs on the Expansion Unit .................................... 10
Connectors and Controls on the Expansion Unit .......................... 10
Switch/Control Point Functionality ................................... 11
ATM Switching Functions ...................................... 11
Control Point Functions ....................................... 11
ATM Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
LAN Emulation Over ATM ....................................... 14
 Copyright IBM Corp. 1995, 1996 iii

Highlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Centralized LES/BUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Integrated LAN Emulation Components ............................... 15
Networking Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
ATM Remote Feeder ........................................ 16
Client/Server Workgroup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Floor Workgroup Switch ....................................... 18
Security Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Password Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
ATM Port Security .......................................... 19
ATM Media Module Security .................................... 19
Chapter 2. Installing the IBM 8285 Nways ATM Workgroup Switch ............... 21
Before You Start ............................................ 21
Procedure 1: Mounting the ATM Workgroup Switch Components .................. 22
Verifying Component Mounting ................................... 23
Procedure 2: Configuring the ATM Workgroup Switch ........................ 24
Verifying Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Procedure 3: Attaching ATM Devices to the ATM Workgroup Switch ................. 26
Verifying Device Attachment .................................... 27
Chapter 3. Building an ATM Campus Network ........................... 29
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
ATM Campus Network Components ................................ 30
Network Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Connecting ATM Devices to Form a Network ............................. 33
Linking User Devices (UNI Interface) ................................ 33
Linking Subsystems to Form a Cluster (SSI Interface) ....................... 34
Linking Clusters to Form a Subnetwork (NNI Interface) ...................... 36
Linking Subnetworks to Form a Campus Network ......................... 38
Example: Configuring a Static Route ................................ 39
Configuring Permanent Virtual Circuits (PVCs) ............................ 41
PVC Workarounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
General Guidelines for Configuring Trunks ............................... 44
Part 2. Mounting Workgroup Switch Components .................. 45
Chapter 4. Mounting the Base Unit ................................. 47
Contents of the Base Unit Shipping Group ............................... 47
Rack or Surface Mounting ....................................... 48
Rack Mounting the Base Unit .................................... 49
Surface Mounting the Base Unit .................................. 51
Chapter 5. Mounting the 155Mbps ATM I/O Card ......................... 53
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Unpacking the I/O Card ........................................ 53
Mounting Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
iv IBM 8285 Nways ATM Workgroup Switch: Installation and User’s Guide

Chapter 6. Mounting the Expansion Unit .............................. 59
Contents of the Expansion Unit Shipping Group ............................ 59
Rack or Surface Mounting ....................................... 60
Rack Mounting the Expansion Unit ................................. 61
Surface Mounting the Expansion Unit ................................ 64
Chapter 7. Mounting ATM Media Modules in the Expansion Unit ................ 65
Guidelines for Mounting ATM Media Modules ............................. 65
Mounting Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Chapter 8. Power-On and Self Test ................................. 69
Power-On Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Power-On Self Test (POST) ...................................... 70
Part 3. Configuration Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Chapter 9. Setting-Up and Using the Configuration Console ................... 73
Normal Mode and SLIP Mode ..................................... 73
Using the Configuration Console .................................... 74
Entering ATM Workgroup Switch Commands ............................ 74
Keyboard Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Getting Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Command Completion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Setting Up a Configuration Console in Normal (ASCII) Mode ..................... 77
Setting Up a Configuration Console in SLIP Mode .......................... 78
Returning to Normal Mode ..................................... 79
SLIP Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
TELNET Sessions Via a Remote Switch ................................ 82
Minimum Local Configuration .................................... 83
Logon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Logoff . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Automatic Modem Hangup ..................................... 84
Chapter 10. Configuring Basic Workgroup Switch Parameters .................. 85
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Setting Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Administrator Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
User Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Setting the Internal Clock ........................................ 88
Customizing Workgroup Switch Default Parameters .......................... 89
Switch Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Service Contact Information ..................................... 89
Console Prompt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Console Timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Setting the ATM Address of the Workgroup Switch .......................... 92
Chapter 11. Configuring Ports and Media Modules ........................ 93
Contents v

Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Default Settings for ATM Modules and Ports ............................. 94
Connecting ATM Media Modules to the Network ........................... 95
Connecting an ATM Media Module ................................. 95
Isolating an ATM Media Module ................................... 95
Enabling ATM Ports and Setting Interface Types ........................... 96
Enabling Ports with SET MODULE ................................. 96
Disabling an ATM Port ....................................... 97
Chapter 12. Configuring Trunk Connections ............................ 99
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Setting Up Trunks (Logical Links) .................................. 100
Setting Static Routes to Other Subnetworks ............................. 100
Creating a PVC for Virtual Channel Connections .......................... 101
Creating a PVC for Virtual Paths Connections ............................ 102
Chapter 13. Configuring TCP/IP Parameters ........................... 103
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
IP Address and Subnetwork Mask .................................. 104
Default Gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
ARP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Chapter 14. Configuring LAN Emulation Parameters ...................... 107
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Setting Up LAN Emulation Servers .................................. 108
Starting a LES ........................................... 108
Stopping a LES .......................................... 109
Displaying the LECs Connected to a LES ............................ 110
Setting Up a LAN Emulation Client .................................. 111
Setting the LECS ATM Address ................................... 113
LECS Well Known Address .................................... 113
ILMI MIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Fixed PVC (0.17) ......................................... 114
Chapter 15. Configuring SNMP Parameters ........................... 115
Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
SNMP Using “Classical IP Over ATM” .............................. 115
SNMP Using “LAN Emulation Over ATM” ............................. 116
IP Address and Subnetwork Mask (IP only) ............................. 117
LAN Emulation Client (LE only) ................................... 117
Default Gateway (IP & LE) ...................................... 117
ARP Server (IP only) ......................................... 117
Community Table (IP & LE) ..................................... 118
Alerts (IP & LE) ............................................ 118
Chapter 16. Working With Configuration Settings ........................ 119
Saving Configuration Settings and Logging Off ........................... 119
Reverting Configuration Changes .................................. 121
vi IBM 8285 Nways ATM Workgroup Switch: Installation and User’s Guide

Displaying Configuration Settings .................................. 122
Modifying Configuration Settings ................................... 123
Reconfiguring Console Port Settings ................................. 125
Saving Reconfigured Console Port Settings ........................... 125
Part 4. Device Attachment Procedures ......................... 127
Chapter 17. Attaching 25.6Mbps Devices to the ATM Workgroup Switch ........... 129
Before You Begin Cabling ...................................... 129
UTP/FTP/STP Cabling Information ................................ 130
Cabling Distances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Connecting Devices to the 25.6Mbps ATM Ports .......................... 131
Via Building Wiring ........................................ 131
Direct Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Chapter 18. Attaching 155Mbps Devices to the I/O card .................... 133
Before You Begin Cabling ...................................... 133
Planning Cabling Distances in a Fiber Network .......................... 134
Connecting a Device to the Optional 155Mbps ATM I/O Card Port ................. 135
Via Building Wiring ........................................ 135
Direct Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Part 5. Management, Code Updates and Troubleshooting ............ 137
Chapter 19. Network and Switch Management .......................... 139
Managing the ATM Subsystem .................................... 139
SNMP Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
Accessing MIB Files ......................................... 141
Chapter 20. Updating Microcode and Picocode ......................... 143
Accessing Microcode and Picocode Updates ............................ 143
UPLOAD and DOWNLOAD Operations ............................... 144
Inband Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Updating Workgroup Switch Microcode .............................. 145
Updating FPGA Picocode in the Workgroup Switch ....................... 145
Uploading Dumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Uploading Traces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Uploading the Error Log ...................................... 146
Manual Update Operations ...................................... 147
Out-of-band Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Fault Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Chapter 21. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Problems with Status LEDs on the Base Unit ............................ 150
Problems with Status LEDs on the Expansion Unit ......................... 151
Expansion Unit Wrap Test .................................... 152
Contents vii

Problems with Port LEDs on the Base Unit ............................. 153
Problems with LEDs on Expansion Unit Modules .......................... 154
Problems with the Configuration Console .............................. 155
Console Port Wrap Test ...................................... 157
Problems with Configuring Expansion Unit Modules ......................... 158
Problems with Configuring Ports ................................... 159
ATM Port Wrap Tests ....................................... 161
Problems with ATM Ports Attached to ATM Devices ........................ 162
Problems with ATM Address Registration .............................. 164
Problems with Hardware Configuration ................................ 165
Problems with PINGing ........................................ 166
Problems with Management (Netview/SNMP/TELNET) ....................... 168
Problems with IBM Proprietary LAN Emulation ........................... 171
Problems with ATM Forum Compliant LAN Emulation ........................ 174
Problems with Connections Between Switches ........................... 176
Other Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Further Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Using Workgroup Switch Trap Messages .............................. 181
Part 6. Appendixes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Appendix A. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Power Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Regulatory Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Emission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Appendix B. Cables, Pins and Connectors ............................ 189
Connecting to 25.6Mbps Ports .................................... 189
Twisted-Pair Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
RJ-45 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
RJ-45 Wrap Plug ......................................... 191
Connecting to the 155Mbps I/O Port ................................. 192
SC Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
SC Wrap Plug and Attenuator ................................... 192
Connecting the Expansion Unit to the Base Unit .......................... 192
Expansion Interface Cable .................................... 192
Expansion and Base Connectors ................................. 193
Expansion Connector Wrap Plug ................................. 194
Connecting Devices to the Console Connector ........................... 195
RS-232 Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Null-Modem Interposer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Attaching the Configuration Console to the Workgroup Switch ................... 196
Attaching a Modem to the Workgroup Switch ............................ 196
Modem Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Modem Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
viii IBM 8285 Nways ATM Workgroup Switch: Installation and User’s Guide

Modem Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Fiber Cabling Guidelines ....................................... 199
Optical Power Budget ....................................... 200
Optical Power Loss Through Connectors ............................. 202
Optical Power Loss Through Splicing ............................... 203
Optical Power Loss by Fiber Cable Type ............................. 204
Optical Power Loss Through Patch Panels ............................ 205
Optical Power Loss Through Jumper Cables ........................... 206
Appendix C. Error and Information Codes ............................ 207
Q.2931 Error Codes for Clear Causes ................................ 207
Maintenance Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
IBM LAN Emulation Server Error Codes ............................... 210
Appendix D. ATM Address Formats in the ATM Workgroup Switch .............. 211
Network Prefix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
End System Part ......................................... 213
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Bibliography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Contents ix

xIBM 8285 Nways ATM Workgroup Switch: Installation and User’s Guide

Figures
1. Class 1 Laser Label ....................................... xix
2. Front Panel of the ATM Workgroup Switch Base Unit ...................... 5
3. ATM Ports on the ATM Workgroup Switch Base Unit ....................... 6
4. Status LEDs for the ATM Workgroup Switch ........................... 7
5. LEDs for 25.6Mbps ATM Ports .................................. 7
6. LEDs for the 155Mbps ATM Port ................................. 7
7. Front Panel of the ATM Workgroup Switch Expansion Unit .................... 9
8. Status LEDs for the Expansion Unit ............................... 10
9. ATM Workgroup Switch in Remote Feeder Configuration .................... 16
10. ATM Workgroup Switch in Client/Server Configuration ..................... 17
11. ATM Workgroup Switch in Floor Workgroup Configuration ................... 18
12. Components of an ATM Campus Network ........................... 29
13. ATM Address Hierarchy ..................................... 30
14. Connections to User Devices (UNI) ............................... 33
15. Connections Within a Cluster (SSI) ............................... 34
16. Parallel Trunk Links ....................................... 35
17. NNI Trunks Between Clusters .................................. 36
18. Connections Within a Subnetwork or Campus Network (NNI) ................. 37
19. NNI Trunks Between Subnetworks ............................... 38
20. Example of Logical Links and Static Routes .......................... 39
21. PVC Workaround for Cross-NNI Links .............................. 42
22. PVC Workaround for Early Hub Versions ............................ 43
23. Contents of the ATM Workgroup Switch Shipping Group .................... 47
24. Rack Mounting the Base Unit .................................. 50
25. Attaching the Mounting Brackets for Surface Mounting ..................... 52
26. Removing the Dummy Slot Cover ................................ 55
27. Inserting the 155Mbps ATM I/O Card .............................. 56
28. Pressing the I/O card into Place ................................. 57
29. Contents of the Expansion Unit Shipping Group ........................ 59
30. Rack Mounting the Expansion Unit ............................... 62
31. Attaching the Expansion Interface Cable ............................ 63
32. Attaching the Mounting Brackets for Surface Mounting ..................... 64
33. Removing the Dummy Module .................................. 66
34. ATM Media Module Ejectors ("Open" and "Closed" Positions) ................. 67
35. Inserting an ATM Media Module in the Expansion Unit ..................... 68
36. Pattern of the Status LEDs during Power-On Self-Test ..................... 70
37. Working in Remote ATM Workgroup Switch Sessions ..................... 82
38. Upload and Download Operations for the ATM Workgroup Switch .............. 144
39. Straight-Through UTP Cable .................................. 189
40. RJ-45 Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
41. SC Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
42. Pin Assignment: Expansion Connector Wrap Plug ...................... 194
43. RS-232 Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
44. Pin Assignment: RS-232 Interposer .............................. 196
45. Example: IBM 7855-10 Modem Configuration ......................... 198
 Copyright IBM Corp. 1995, 1996 xi

46. NSAP Address Formats Supported in the Workgroup Switch ATM Subsystem ....... 211
xii IBM 8285 Nways ATM Workgroup Switch: Installation and User’s Guide

Tables
1. ATM Connections Supported in ATM Workgroup Switches ................... 13
2. Maximum PING and TELNET Lengths ............................. 15
3. UTP/FTP/STP Cabling Details ................................. 130
4. ATM Device Cabling Distances ................................ 130
5. Trap Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
6. Pin Assignments for Cabling Non-ATM Forum Compliant Devices .............. 190
7. Pin Assignments for Cabling SSI and NNI Connections ................... 190
8. Pin-Signal Assignments for 25.6Mbps Port Connectors .................... 191
9. Pin-Signal Assignments for the Expansion and Base Connectors .............. 193
10. Pin-Signal Assignments for RS-232 Console Connector ................... 195
11. Optical Power Budget for workgroup switch 155Mbps Port-to-Device Connections (ATM
Forum V3.1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
12. Optical Power Budget for workgroup switch 155Mbps Port-to-Port Connections ....... 201
13. Optical Power Loss per Connector .............................. 202
14. Optical Power Loss per Splice ................................. 203
15. Optical Power Loss by Cable Type .............................. 204
16. Optical Power Loss per Patch Panel ............................. 205
17. Optical Power Loss per Jumper Cable ............................ 206
18. Q.2931 Error Codes for Clear Causes in the ATM Workgroup Switch ............ 207
19. Maintenance Codes and Meanings .............................. 209
20. IBM LAN Emulation Server Error Codes ........................... 210
 Copyright IBM Corp. 1995, 1996 xiii

xiv IBM 8285 Nways ATM Workgroup Switch: Installation and User’s Guide

Notices
References in this publication to IBM products, programs, or services do not imply that IBM intends to
make these available in all countries in which IBM operates. Any reference to an IBM product, program,
or service is not intended to state or imply that only IBM's product, program, or service may be used.
Any functionally equivalent product, program, or service that does not infringe any of IBM's intellectual
property rights may be used instead of the IBM product, program, or service. Evaluation and verification
of operation in conjunction with other products, except those expressly designated by IBM, is the user's
responsibility.
IBM may have patents or pending patent applications covering subject matter in this document. The
furnishing of this document does not give you any license to these patents. You can send license
inquiries, in writing, to the IBM Director of Licensing, IBM Corporation, 500 Columbus Avenue,
Thornwood, New York 10594, U.S.A.
Product Page/Warranties
The following paragraph does not apply to the United Kingdom or to any country where such
provisions are inconsistent with local law.
INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION "AS IS" WITHOUT
WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Some states do not allow disclaimer of express or implied warranties in certain transactions, therefore
this statement may not apply to you.
 Copyright IBM Corp. 1995, 1996 xv

Industry Standards Reflected in This Product
The IBM 8285 Nways ATM Workgroup Switch complies with the following ATM standards:
ATM User-Network Interface (UNI) Specification V3.0 and V3.1, ATM Forum
LAN Emulation Over ATM Specification V1.0, ATM Forum
Q.2110 Service Specific Connection-Oriented Protocol (SSCOP), ITU, March 17, 1994
Q.2130 Service Specific Coordination Function (SSCF) for support of signaling at the user-network
interface, March 17, 1994
The IBM 8285 Nways ATM Workgroup Switch is designed according to the specifications of the following
industry standards as understood and interpreted by IBM as of September 1994:
RFC854 - TELNET protocol
RFC1350 - Trivial File Transfer Protocol (TFTP)
RFC1577 - Classical IP and ARP (Address Resolution Protocol) over ATM
SNMP:
– RFC1155 - Structure and Identification of Management Information (SMI) for TCP/IP based
Internet.
– RFC1156 - Management Information Base (MIB) for network management of TCP/IP based
Internets (MIB-I)
– RFC1157 - Simple Network Management Protocol (SNMP)
– RFC1212 - Concise MIB definitions
– RFC1213 - Management Information Base (MIB) for network management of TCP/IP based
Internets (MIB-II)
– RFC1215 - Convention for defining traps for use with SNMP
xvi IBM 8285 Nways ATM Workgroup Switch: Installation and User’s Guide

CE European Community Marking
The CE marking has been applied to this product, meaning its compliance to the following directives:
EMC Directive 89/336/EEC and amendment 93/31/EEC
Low Voltage Directive 73/23/EEC
Telecommunications Directive 91/263/EEC
Machinery Directive 89/392/EEC
Directive 93/68/EEC (Marking)
Electronic Emission Notices
Federal Communications Commission (FCC) Statement
Note: This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the 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 the 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.
Properly shielded and grounded cables and connectors must be used in order to meet FCC emission
limits. IBM is not responsible for any radio or television interference caused by using other than
recommended cables and connectors or by unauthorized changes or modifications to this equipment.
Unauthorized changes or modifications could void the user's authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Industry Canada Compliance Statement
This Class A digital apparatus meets the requirements of the Canadian Interference-Causing Equipment
Regulations.
Avis de conformité aux normes d'Industrie Canada
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel
brouilleur du Canada.
Notices xvii

Japanese Voluntary Control Council For Interference (VCCI) Statement
This equipment is in the 1st Class category (information equipment to be used in commercial and/or
industrial areas) and conforms to the standards set by the Voluntary Control Council for Interference by
Information Technology Equipment aimed at preventing radio interference in commercial and industrial
areas.
Consequently, when used in a residential area or in an adjacent area thereto, radio interference may be
caused to radios and TV receivers, and so on.
Read the instructions for correct handling.
Korean Communications Statement
Please note that this device has been approved for business purpose with regard to electromagnetic
interference. If you find this is not suitable for your use, you may exchange it for a non-business one.
New Zealand Radiocommunications (Radio) Regulations
Attention: This is a Class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.
Trademarks and Service Marks
The following terms, indicated by an asterisk (*) in this publication, are trademarks or service marks of
the IBM Corporation in the United States or other countries:
IBM OS/2
NetView for AIX TURBOWAYS
Nways
The following terms, indicated by a double asterisk (**) in this publication, are trademarks of other
companies:
Microsoft Microsoft Corporation
Windows Microsoft Corporation
xviii IBM 8285 Nways ATM Workgroup Switch: Installation and User’s Guide