
4-7
Chapter 4 Troubleshooting Procedures
Installing the Model 8000 Remote Access Concentrator
Setup Mode
Enter Setup mode by pressing the Reset button located on the front panel.
Press this button within 30 seconds of resetting or turning on the device.
Setup Mode Error-Free Sequence
summarizes the LED sequences that display in Setup mode
during an error-free startup. A description of each sequence follows
Table 4-4. Setup Mode Error LED States
Key:
●
On continuously
✕
Off
■
Flashing irregularly
Activity T1: Testing
LEDs
All front-panel LEDs (and the Link LED on the rear panel) light for a
few seconds, then all but the TRAF LED turn off. This sequence confirms
that all LEDs are operational. At this point, the RAC is in Normal mode.
Press the Reset button to put the RAC into ROM monitor mode.
Activity T2: Testing
the Hardware
During the power-up sequence, the RAC runs self-tests that execute
diagnostics for the CPU, ROM, EEPROM, flash, and so on. The TRAF
LED flashes during the tests. After the power-up self-tests finish, the
STAT and TRAF LEDs remain on.
Activity
STAT
Green
ATTN
Amber
TRAF
Green
T1: Testing LEDs
●
●
●
T2: Testing Hardware
●
✕
■
T3: At Monitor Prompt
●
●
■
Summary of Contents for 8000 RAC
Page 16: ......
Page 20: ......
Page 22: ......
Page 24: ......
Page 30: ......
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...