Bay Networks 5393 Hardware Installation Manual page 109

Table 4-2. Troubleshooting Guide (continued)
Condition Possible Cause
Annunciator is off; No power to
other module module (blown
annunciators are fuse; failed
on; chassis LEDs DC-to-DC
are on. converter).
The Attn and Unit The Remote
Module Status Annex did not pass
LEDs are amber. its diagnostics or
is not working
normally.
Power-Up Diagnostic Messages
Power-up diagnostics run when the Remote Annex is powered up or
reset. During the power-up process the following text is displayed on
the service port terminal:
To enter "Monitor Mode" please depress the SPACE key within 10 seconds.
If you press the space bar within 10 seconds, the following text is
displayed:
Monitor Mode selected, please wait for Confidence tests to complete.
If you do not press the space bar within the time allotted, the following
text is displayed:
Defaulting to Normal Boot Mode.
If an error occurs during confidence tests, the following message is
displayed:
Fatal Error
Remote Annex 5393/PRI Hardware Installation Guide
Chapter 4 Troubleshooting Procedures
Corrective Action
Replace the module.
Reset the Remote Annex.
4-7