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DEFINITY ECS Release 8.2 Maintenance for R8.2csi

555-233-119 Issue 1

April 2000

Maintenance Objects

3-379CO-DS1 (DS1 CO Trunk)

Conference Circuit Test (#7)

One or more Network Processing Elements (NPEs) reside on each circuit pack

with a TDM Bus interface. The NPE controls port connectivity and gain, and

provides conferencing functions on a per-port basis. The Conference Circuit Test

verifies that the NPE channel for the port being tested can correctly perform the

conferencing function. The NPE is instructed to listen to several different tones

and conference the tones together. The resulting signal is then measured by a

tone detector port. If the level of the tone is within a certain range, the test

passes.

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, an insane board is inserted, or the board is hyperactive (see note

below).

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.

NOTE:

Hyperactivity causes some special problems with the sequence

suggested above. If the ports are translated after issuing the list

config command but the Vintage field reports that there is no

board (when there really is a board), then the busyout board and

the release busy board commands will not work (even though the

reset board command will work). The software puts the hyperactive

board back in service after the hyperactivityclears.

Table 3-167. TEST #6 NPE Crosstalk Test — Continued

Error

Code

Te s t

Result Description/ Recommendation

Continued on next page