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DIG-LINE (Digital Line)
Issue 1 June 2005 939
Digital Line NPE Crosstalk Test (#9)
Note:
Note: S8300 / G700: This test aborts with Error Code 1412.
The NPE Crosstalk test verifies that this port’s NPE channel talks on the selected time slot and
never crosses over to time slots reserved for other connections. If the NPE is not working
correctly, one-way and noisy connections may be observed. This test is part of a port’s Long
Test Sequence and takes about 20 to 30 seconds to complete.
16 FAIL The secondary channel is not operating properly. User impact may range
from noticing nothing to not being able to use this terminal.
1. Check the results of Voice and Control Channel Local Loop test (#13).
2. If that test fails, suspect the Digital Line circuit pack. If that test passes
then replace the terminal.
3. If both test fail, and component replacement does not change the
results, then:
a. Run circuit pack tests to check the tone generator circuit and the
Tone Detector circuit pack using test board location.
b. Resolve any problems that are detected on the Tone Generator
circuit or Tone Detector circuit.
PASS Voice and Control Channel Local Loop test passed. All channels are
transmitting properly.
1. To verify that this is not an intermittent problem, repeat this test up to
ten times.
2. If complaints persist (noisy connections for voice. corrupted data
transfer for data), examine the station, connections, and wiring.
Table 320: Test #1201 Digital Terminal Remote Loop-around Test (continued)
Error
Code
Test
Result
Description / Recommendation
3 of 3