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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 10-1011PDMODULE, TDMODULE (Data Module)
10
Information and Control Channel Local Loop
Test (#13)
This is a set of four tests that check the operation of the information and control
channels used between the SPE and the Digital Line port circuit.
NOTE:
This is an Internal Loop Around test only and does not check building
wiring. Use Test #175 for external loop around tests to the data module.
1. The SPE first sends a message to the on-board microprocessor to loop
around both the information and control channels for the port. Then, the
primary information channel loop back test is run. The test is performed by
sending a digital count from the Tone-Clock circuit pack on the primary
channel time slot and receiving the same digital count with a GPTD. The
digital count looks like transparent data to the on-board microprocessor.
2500 ABORT Internal System Error.
1. Retry the command at 1-minute intervals a maximum
of 5 times.
2. If the test continues to fail, escalate the problem.
1,2 FAIL The NPE of the tested port was found to be transmitting
in Error Log. This causes noisy and unreliable
connections. Failure Code 1 indicates that the Crosstalk
Test failed on the primary channel. Failure Code 2
indicates that the Crosstalk Test failed on the secondary
channel.
1. Replace the circuit pack.
PASS The port is correctly using its allocated time slots.
1. To be sure that this is not an intermittent problem,
repeat this test up to a maximum of 10 times and
verify that it continues to pass.
2. If complaints still exist, examine the data module,
connections, and wiring.
Table 10-289. TEST #9 NPE Crosstalk Test — Continued
Error
Code
Test
Result Description/ Recommendation
Continued on next page