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Monitoring and Testing
4-2
3. View the results of the last power-up self-test. If no problems were found
during power-up, the following message appears.
STest Health:
Passed
F1
Table 4-1. Self-Test Health Messages
Message
Description
Passed
No problems were found during power-up.
CPU fail
The central processing unit failed internal testing.
Device fail
One or more of the unit's integrated circuit chips failed to pass
internal device level testing.
B8ZS/LOS fail
The unit failed to encode data properly or to detect Loss Of
Signal.
Alarm fail
The unit failed to transmit AIS or to detect an Yellow alarm.
Memory fail
The unit failed program checksum verification.
NET T1 fail
The unit failed to internally loop data on the network T1 circuit.
DSU fail
The unit failed to internally loop data on the DSU.
DSU Port1 fail
Port's integrated circuitry failed to pass device internal testing.
Unknown Exp Dev
The unit is not able to recognize the expansion device
connected to the main circuit card.
Failure xxxxxxxx
An 8-digit hexadecimal failure code is provided for service
personnel.
March 1999
F2
F3
3166-A2-GB20-20
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