ISDN-LNK (ISDN-PRI Signaling Link Port)
Issue 1 May 2002
8-973555-233-143
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 8-384. Test #643 Signaling Link Board Check
Error
Code
Test
Result Description / Recommendation
ABORT Internal system error
1. Retry the command at 1-minute intervals up to 5 times.
2. If the test continues to abort, escalate the problem.
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, do one of
the following:
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 field labeled ‘‘Alarm when PRI Endpoint Detached?’’ 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 the ‘‘UDS1-BD (UDS1 Interface Circuit Pack)’’ Maintenance
documentation for repair procedures.
PASS The UDS1 Interface circuit pack transporting the ISDN-PRI Signaling Link Port
is in service.
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