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4-1
Installing the Model 8000 Remote Access Concentrator
Chapter 4
Troubleshooting Procedures
T
his chapter describes front-panel alarms and LED indicators, power-
up and booting, troubleshooting during booting, and the file created from
a Remote Access Concentrator dump.
Front-Panel Alarms and LED Indicators
The Model 8000 RAC front panel contains a number of LEDs that provide
information about normal operations and about problems that occur. Use
these LEDs and the ROM Monitor commands to diagnose problems.
illustrates the Model 8000 RAC front-panel LEDs.
Figure 4-1. Model 8000 RAC Front-Panel LEDs
RA0024A
8000 Remote Access Concentrator
WAN 1
WAN 2
LAN/Unit
Status
Status Alarms
Channel Activity
% Utilization
Test Red
Sync Yel
LOS Blu
20 40 60 80 100 FULL
20 40 60 80 100 FULL
Status Alarms
Channel Activity
% Utilization
Test Red
Sync Yel
Sync
Setup Power
Stat
Resest
Traf
Attn
LOS Blu
8000 Remote Access Concentrator
WAN 1
WAN 2
LAN/Unit
Status
Status Alarms
Channel Activity
% Utilization
Test Red
Sync Yel
LOS Blu
Status Alarms
Channel Activity
% Utilization
Test Red
Sync Yel
Sync
Setup Power
Stat
Reset
Traf
Attn
LOS Blu
20 40 60 80 100 FULL
20 40 60 80 100 FULL
WAN 1
Channel Activity
LEDs
Sync
LED
Reset
button
WAN 1
Status and Alarm
LEDs
WAN 2
Channel Activity
LEDs
WAN 2
Status and Alarm
LEDs
LAN/Unit
Status
LEDs
Summary of Contents for 8000 RAC
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Page 98: ...Installing the Model 8000 Remote Access Concentrator Chapter 3 ROM Monitor Commands 3 26...
Page 120: ...Installing the Model 8000 Remote Access Concentrator Chapter 4 Troubleshooting Procedures 4 22...