Filter
Top Products
Contents
Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
Special Notices
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Preface
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii
How This Document is Organized
......................... xvii
Related Publications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xviii
International Technical Support Organization Publications
.......... xviii
Acknowledgments
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Chapter 1. An Overview of the IBM 8260 Hub
................... 1
1.1 Introduction
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 8260 Hardware Description
............................ 3
1.2.1 IBM 8260 Model 017
.............................. 3
1.2.2 The Intelligent Cooling Subsystem
..................... 7
1.2.3 8260 Model 010
................................ 7
1.3 8260 Modules and Daughter Cards
....................... 8
1.3.1 Ethernet Modules
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.3.2 Token-Ring Modules
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.3.3 Management and Controller Modules
................... 10
Chapter 2. Backplane Architecture
. . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.1 LAN Segments on the Backplane
........................ 13
2.2 Ethernet Segments on the Backplane
...................... 15
2.2.1 Digital Collision Detection
.......................... 19
2.2.2 Analog Collision Detection
.......................... 19
2.2.3 Statistics Collection
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.3 Token-Ring Segments on the Backplane
.................... 19
2.4 FDDI Segments on the Backplane
........................ 22
2.5 Network Allocations on the 8260 Backplane
.................. 23
2.5.1 Management Buses
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Chapter 3. 8260 Fault Tolerant Controller Module
................. 29
3.1 8260 Fault Tolerant Controller Module Overview
............... 29
3.1.1 The Controller Module Front Panel
.................... 30
3.1.2 Controller Module Fault Tolerance
..................... 32
3.1.3 Installing and Configuring the Fault Tolerant Controller Module
... 32
3.1.4 8260 Fault Tolerant Controller Module Considerations
......... 33
Chapter 4. 8260 Distributed Management Architecture
.............. 35
4.1 8260 Distributed Management Architecture
.................. 35
4.1.1 IP Addressing for DMM
........................... 38
4.2 The Distributed Management Module (DMM)
................. 39
4.2.1 Unpacking and Installing the DMM
..................... 39
4.2.2 DMM LED Indicators
............................. 40
4.2.3 Console and Auxiliary Ports
......................... 41
4.2.4 Configuring the DMM
............................. 43
4.3 The EC-DMM (Ethernet Carrier - Distributed Management Module)
.... 58
4.3.1 Installing the EC-DMM
............................ 59
4.3.2 EC-DMM LED Description
.......................... 60
4.4 MAC Daughter Cards
............................... 61
Copyright IBM Corp. 1995 v