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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page 10-421DAT-LINE (Data Line)
10
FAIL The test failed because the data received did not match the data sent. This
would indicate that there is a fault somewhere in the transmit/receive path
to the TDM Bus, which probably results in data corruption over this port.
This test may fail if Network Control Data Channel 3 is not functioning
properly.
1. Look for DATA-CHL errors in the Error Log. If present, refer to DATA-BD
(Network Control Circuit Pack) Maintenance documentation.
2. Repeat this test.
3. If the test fails again, replace the Data Line circuit pack.
2000 FAIL The test failed waiting for the transmitted data to be looped back.
1. Look for DATA-CHL errors in the Error Log. If present, refer to DATA-BD
(Network Control Circuit Pack) Maintenance documentation.
2. Repeat this test.
3. If the test fails again, replace the Data Line circuit pack.
PASS The port can correctly transmit/receive data. User-reported troubles on this
port should be investigated by examining the ADU, external wiring, and
customer equipment.
Table 10-118. TEST #171 Digital Loop Around Test — Continued
Error
Code
Test
Result Description/Recommendation
Continued on next page