Maintenance-Object Repair Procedures
555-233-143
8-968 Issue 1 May 2002
System Technician-Demanded Tests:
Descriptions and Error Codes
The command to test the ISDN-LNK MO is test port UUCSSpp where pp is 24 for
24-channel interfaces and 16 for 32-channel interfaces.
Signaling Link Board Check (#643)
This test checks the health of the TN464C/D UDS1 Interface transporting the
ISDN-PRI Signaling Link port.
Order of Investigation
Short Test
Sequence
Long Test
Sequence D/ND
1
1. D = Destructive; ND = Nondestructive
Signaling Port LAN Loop-Back test (#939) X D
Signaling Link Board check (#643) X X ND
Table 8-381. Test #643 Signaling Link Board Check
Error
Code
Tes t
Result Description / Recommendation
ABORT Internal system error
1. Retry the command at 1-minute intervals up to 5 times.
1700 ABORT Rollabout video abort. The PRI terminal adapter associated with this
D-channel port is detached from the circuit pack. This is normal when the
rollabout video feature is enabled. To complete a test on this port:
1. Re-attach the disconnected PRI terminal adapter
2. Disable the rollabout video feature on this board by entering change ds1
UUCSS and set the “Alarm when PRI Endpoint Detached?” field to “y.”
8 FAIL The UDS1 TN464C/D circuit pack is not in service.
1. Check the Hardware Error Log for entries logged against UDS1-BD, and
consult “UDS1-BD” for repair procedures.
PASS The UDS1 Interface circuit pack transporting the ISDN-PRI Signaling Link Port
is in service.
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