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ANN-BD (Announcement Circuit Pack)
Issue 5 October 2002
707
555-233-119
140AY Loop Around Test (#210)
This test checks the integrity of the record channel on the Announcement circuit
pack (Announcement Port 1). The main function of the 140AY device is to accept
Pulse Code Modulation (PCM)/Adaptive Differential Pulse Code Modulation
(ADPCM) samples and compress/expand the samples using ADPCM. This test
connects a Tone Generator to one port (Announcement Port 1, the recording
port), and a Tone Detector to another port (Announcement Port 9). A tone is
generated by the Tone Generator on the first port and looped through the 140AY
device to the second port. The Tone Detector responds with a tone present/absent
message. The 140AY Loop Around Test is repeated at three different speech
compression rates.
Since this test involves sending a tone through two different ports, the Playback
Speech Memory Array (PSMA) Test (#206) is run on the two ports first to make
sure that they are working properly. See
‘‘ANN-PT (Announcement Port)’’ for a
description of this test.
Table 60. TEST #210 140AY Loop Around Test
Error
Code Test
Result Description/ Recommendation
1-3 ABORT Response to the test request was not received within the allowable time
period. The error code indicates at which speech compression rate the test
aborted (one being the first rate tested, three being the last).
1. Retry the command at 1-minute intervals a maximum of 5 times.
10 ABORT The PSMA Test (#206) failed on Announcement Port 1.
90 ABORT The PSMA Test (#206) failed on Announcement Port 9.
1. Refer to ‘‘ANN-PT (Announcement Port)’’ Maintenance documentation,
Test #206.
1000 ABORT System resources required to run this test are not available. This test needs
Announcement Ports 1 and 9 to run. One of the ports may be in use on a
valid call.
1. Retry the command at 1-minute intervals a maximum of 5 times.
2. If the test continues to abort and Ports 1 and 9 are not in use, escalate
the problem.
1002 ABORT The system could not allocate time slots for the test. The system may be
under heavy traffic conditions or it may have time slots out-of-service due to
TDM-BUS errors. Refer to
‘‘TDM-BUS (TDM Bus)’’ Maintenance
documentation to diagnose any active TDM-BUS errors.
1. If system has no TDM-BUS errors and is not handling heavy traffic,
repeat test at 1-minute intervals a maximum of 5 times.
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