Bay Networks Remote Annex Guía de instalación descargar pdf (Pagina 111)

4-19

Chapter 4 Troubleshooting Procedures

Nortel Networks 5399 Access Switch Hardware Installation Guide

To preserve the configuration parameters of the Remote Access

Concentrator module you are replacing, follow the procedures in

“Preparing for a Hot Swap” on page 4-19 (below) and “Completing the

Hot Swap” on page 4-22.

Verify that the backplane segment bank selector is set for the

correct segment bank before installing a replacement module.

For more information on jumper and switch settings, see

Chapter 2

Preparing for a Hot Swap

The Remote Access Concentrator can be inserted into or removed from

a chassiswithoutinterruptingserviceto othermoduleswithinthe System

5000 hub. This ability is referred to as “hot swapping.”

The Remote Access Concentrator holds 64KB of configuration

informationinEEPROM.Thisinformationisperiodicallysenttothehost

server to be saved in a file. During a hot swap, the new Remote Access

Concentrator reads in this file at boot time and overwrites its EEPROM

withtheconfigurationinformationfromtheRemoteAccessConcentrator

it is replacing. The new Remote Access Concentrator then functions as

thepreviousRemoteAccessConcentrator,exceptfortheLAT key,which

needs to be reprogrammed.

If no EEPROM overwrite is desired when hot swapping, select

default values for that slot from the supervisory module on the

service port terminal.

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Bay Networks Remote Annex Guía de instalación Pagina 111