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Monitoring and Testing
5-2
3162-A2-GB20-40
August 2000
Table 5-1. Self-Test Results
Message
Description
Alarm Fail The unit failed to transmit AIS or to detect an Yellow alarm.
B8ZS/LOS Fail The unit failed to encode data properly or to detect Loss Of
Signal.
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.
DSU Fail The unit failed to internally loop data on the DSU.
DSU Port n Fail Port’s integrated circuitry failed to pass device internal testing.
DTE T1 Fail The unit failed to internally loop data on the DTE T1 (DSX-1)
circuit.
Failure xxxxxxxx An 8-digit hexadecimal failure code is provided for service
personnel.
Memory Fail The unit failed program checksum verification.
Modem fail Unit failed to internally loop data through the modem circuit.
Network T1 Fail The unit failed to internally loop data on the network T1 circuit.
Passed No problems were found during power-on.
Unknown Exp Dev The unit is not able to recognize the expansion device connected
to the main circuit card.