IBM 8239 Token-Ring Stackable Hub Safety guide

8239 Token-Ring Stackable Hub ÉÂÔ
Setup and User’s Guide
GA27-4209-00

8239 Token-Ring Stackable Hub ÉÂÔ
Setup and User’s Guide
GA27-4209-00

Note
Before using this document, read the general information under “Notices” on page ix.
First Edition (June 1998)
This edition applies to the 8239 Token-Ring Stackable Hub and to all subsequent releases and modifications until otherwise indicated
in new editions or technical newsletters.
Order publications through your IBM representative or the IBM branch office serving your locality. Publications are not stocked at the
address below.
IBM welcomes your comments. A form for readers' comments is provided at the back of this publication. If the form has been
removed, you may address your comments to:
International Business Machines Corporation
Design and Information Development
Department CGF
P.O. Box 12195
Research Triangle Park, NC 27709-9990
U.S.A.
When you send information to IBM, you grant IBM a nonexclusive right to use or distribute the information in any way it believes
appropriate without incurring any obligation to you.
 Copyright International Business Machines Corporation 1998. 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
Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Safety Information Booklet .............................. ix
Power Disconnection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Electronic Emission Notices .............................. xiv
Federal Communications Commission (FCC) Statement ........... xiv
Industry Canada Class A Emission Compliance Statement .......... xv
Avis de conformité aux normes d'Industrie Canada .............. xv
European Community (CE) Mark of Conformity Statement .......... xv
Japanese Voluntary Control Council for Interference (VCCI) Statement ... xvi
Taiwanese Class A Warning Statement ..................... xvi
Battery Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
How This Manual Is Organized ............................ xvii
Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
Visit our Web Site .................................. xviii
Chapter 1. Introduction and Planning ...................... 1-1
Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Concentrator Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Device and Network Management .......................... 1-3
Cable Types and Distances .............................. 1-4
Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Stack Unit Cabling ................................. 1-4
RI/RO Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Service Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Chapter 2. Installing the 8239 Hardware ..................... 2-1
Preparing for Setup .................................. 2-1
Verifying the Shipment ................................. 2-1
Installing Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Placing the 8239 .................................... 2-2
Surface-Mounting the 8239 ............................ 2-2
Rack-Mounting the 8239 .............................. 2-2
Connecting the Cables ................................. 2-4
Connecting Stations to the 8239 ......................... 2-4
Cabling a Stack ................................... 2-5
Connecting an ASCII Terminal or Modem to the EIA-232 Port ........ 2-5
Powering On the 8239 ................................. 2-6
 Copyright IBM Corp. 1998 iii

Chapter 3. Installing Features . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
16-Port Expansion Feature .............................. 3-1
Removing a 16-Port Expansion Feature ..................... 3-1
Installing a 16-Port Expansion Feature ...................... 3-1
RI/RO Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Removing a RI/RO Module ............................ 3-2
Installing a RI/RO Module ............................. 3-3
Chapter 4. Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Using the Command Interface ............................ 4-1
Login Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Management Using Emulation Software ..................... 4-1
Management Using Telnet ............................. 4-2
Command Interface Conventions ......................... 4-2
Verifying, Saving, and Restoring Parameters .................. 4-4
Configuring the 8239 .................................. 4-4
Configuring the 8239 for Out-of-Band Connectivity ............... 4-5
Configuring the 8239 for In-Band Connectivity ................. 4-5
Configuring for Network Monitoring ........................ 4-7
Configuration Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Chapter 5. Problem Determination Procedures ................ 5-1
Using the LEDs to Diagnose Problems ....................... 5-1
Power Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Box Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Ring Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Port Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
RI/RO Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Stack In/Stack Out Status ............................. 5-7
LCD and LED Codes ................................ 5-14
POST Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
Operational Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
Chapter 6. Concentrator Functions . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Port Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Port Configuration Options ............................. 6-1
Inserting/Deinserting a Station ........................... 6-3
Port Operational Status and Port LEDs ..................... 6-4
Address-to-Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Fanout Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
MAC-less Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Accessing the Address-to-Port Mapping Information .............. 6-6
Port Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
Identifying which MAC Addresses are Authorized ............... 6-7
Configuring the Action on Intrusion ........................ 6-8
Enabling Port Security ............................... 6-8
Ring In/Ring Out Concepts (8239 Model 1 only) .................. 6-8
RI/RO Configuration Options ........................... 6-9
Unwrapping the RI/RO onto the Stack Data Ring ............... 6-10
RI/RO Operational Status and RI/RO LEDs .................. 6-10
Stack Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10
SI/SO Configuration Options ........................... 6-11
SI/SO LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
Beacon Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12
iv 8239 Setup and User’s Guide

Data In/Data Out Connection .......................... 6-12
Port Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
Management Interface (8239 Model 1 only) .................. 6-13
Ring In/Ring Out Connection (8239 Model 1 only) .............. 6-14
Within the 8239 .................................. 6-14
Chapter 7. 8239 Device Management ...................... 7-1
Connectivity Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Out-of-Band Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
In-Band Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Access Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Scripts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Creating Scripts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
Editing Scripts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
Running Scripts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Trap Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
Methods of Viewing Traps ............................ 7-11
Configuring for Trap Generation and Accessing Trap Information ..... 7-12
MAC Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
Chapter 8. Network Management . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Accessing Network Management Data ....................... 8-1
IEEE 802.5 Token Ring MIB (RFC 1748) ...................... 8-2
Configuring the 8239 Model 1 to Support the 802.5 MIB ........... 8-2
Accessing 802.5 Information ............................ 8-2
MIB-II (RFC 1213) ................................... 8-4
Configuring the 8239 Model 1 to Support MIB-II ................ 8-4
Accessing MIB II Information ........................... 8-4
Remote Monitoring: RMON, RMON 2, ECAM ................... 8-5
RMON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
RMON 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8
ECAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10
IBM Token-Ring Surrogate MIB and Surrogate Trap MIB ............ 8-11
Surrogate Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11
Configuration Report Server (CRS) ....................... 8-13
Ring Error Monitor (REM) ............................ 8-13
Ring Parameter Server (RPS) .......................... 8-16
Chapter 9. Planning Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
8239 Cabling Chart ................................... 9-1
Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
Ring Connection for Optional RI/RO Module .................. 9-1
Token-Ring Port Connections ........................... 9-1
Additional Ports with Optional 16-Port Expansion Feature ........... 9-1
8239 SNMP Agent Configuration Parameters Worksheet ............. 9-2
Appendix A. Warranty Information . . . . . . . . . . . . . . . . . . . . . . . A-1
Customer Carry-In Exchange via Mail-In ..................... A-1
Statement of Limited Warranty ........................... A-2
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X-1
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X-5
Contents v

vi 8239 Setup and User’s Guide

Figures
1-1. 8239 Model 1 ................................. 1-1
1-2. 8239 Model 2 ................................. 1-2
1-3. 8239 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
2-1. Rotating the Rack-Mounting Brackets ................... 2-3
2-2. Attaching the Cable Management Bracket ................ 2-4
2-3. Connecting Stations to the 8239 ...................... 2-4
2-4. Stack Building . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2-5. Power on the 8239 ............................. 2-7
3-1. 16-Port Expansion Feature ......................... 3-1
3-2. RI/RO Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3-3. Cabling for the Optical Fiber RI/RO Module ............... 3-3
3-4. Cabling for the RJ-45 RI/RO Module ................... 3-4
5-1. 8239 Model 1 LEDs and LCD ....................... 5-1
5-2. 8239 Model 2 LEDs ............................. 5-2
5-3. Port Status LEDs .............................. 5-3
5-4. RI/RO LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5-5. Stack In/Stack Out LEDs .......................... 5-8
 Copyright IBM Corp. 1998 vii

viii 8239 Setup and User’s Guide