User manual
DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si 
555-230-127  
Issue 1
August 1997
Maintenance Object Repair Procedures 
Page 10-717ISDN-PLK (ISDN-PRI Signaling Link Port) 
10
FAIL The Loopback test has failed.
1. If this test fails repeatedly wait until all of the ports on the board are idle 
(not in use) and reset the circuit pack. To reset the circuit pack enter 
the commands busyout board PCSS and reset PCSS.
2. Repeat the test, and if the test continues to fail replace the circuit pack.
PASS 1. Connectivity of the D-channel over the Packet Bus is operational.
Table 10-240. TEST #939 Signaling Port Packet Bus Loopback — Continued
Error 
Code
Test 
Result Description/ Recommendation
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