Lucent Technologies 555-233-119 Hybrid Circuit and Conference Circuit Test (#57)

DEFINITY ECS Release 8.2 Maintenance for R8.2csi 555-233-119 Issue 1
April 2000
Maintenance Objects
3-692HYB-LINE (Hybrid Line)
3
Hybrid Circuit and Conference Circuit Test (#57)
This test checks the amount of reflection from the Hyb rid loop around c ircuitry
and a Conference Test. Please be aware that if no station is connected to the port
being tested, the results of th e test are not valid. The Tone-Clock circuit pack
places a 1004-Hz tone on a time slot that th e port circuit is listening on. A GPTD
is connected to another time slot that the same port circuit is ta lking on. The
on-board microproc essor places the port i n the loop around mode and the GPTD
measures the level of the reflected signal.
The Conference Test is performed after the Circuit Test. The Conference Circuit
Test verifies that the NPE is able to listen to several test tones and correctly
conference them together. The test is exec uted in two parts. The first half of the
test checks the operation of t he NPE’s first three conference channels. The NPE
is put in the loop around mod e and instructed to talk on a selected time slot and
listen to the 1004-Hz tone using the first three Conferenc e Channels. The signal
level and noise level of the conferenc ed output are then measured usi ng a GPTD
and checked to verify that they are within an acceptab le range.
The second half of the Conference Test checks the op eration of the NPE’s
remaining four Conference Channels and follows the same procedure as the
preceding p aragraph.
0NO
BOARD The test could not relate the internal ID to the port (no board). This could be due to incorrect translations, no board is inserted, an incorrect board is
inserted, or an insane board is inserted.
1. Check to ensure that the board translations are correct. Use the list
config command, and resolve any problems that are found.
2. If the board was found to be correctly inserted in step 1, issue the
busyout board command.
3. Issue the reset board command.
4. Issue the release busy board command.
5. Issue the test board long command. This should re-establish the
linkage between the internal ID and the port. If this is not the case,
dispatch to check to ensure that there is a valid board inserted.
Table 3-291. TEST #56 Hybrid Electronic Power Feed Test — Continued
Error
Code
Test
Result Description/ Recommendation
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