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WAE-PORT (Wideband Access Endpoint Port)
Issue 5 October 2002
1909
555-233-119
Conference Circuit Test (#7)
One or more Network Processing Elements (NPEs) reside on each circuit pack
with a TDM Bus interface. (The TN464C UDS1 circuit pack has one
SCOTCH-NPE chip instead of several NPE chips). The NPE controls port
connectivity and gain, and it 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 to 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.
Table 575. TEST #7 Conference Circuit Test
Error
Code Test
Result Description/ Recommendation
ABORT System resources required for this test are not available.
1. Retry the command at 1-minute intervals a maximum of 5 times.
1000 ABORT System resources required to run this test are not available. The port may
be in use on a valid call. Use the status access-endpoint <extension>
command to determine when the port is available for testing.
1004 ABORT The port has been seized by a user for a valid call. Use the status
access-endpoint <extension> command to determine when the port is
available for testing. The port is available when it is in the in-service/idle
state.
1. Retry the command at 1-minute intervals a maximum of 5 times.
1020 ABORT The test did not run due either to a previously existing error on the specific
port or to a more general circuit pack error.
1. Examine the Error Log for existing errors against this port or circuit
pack, and attempt to diagnose the previously existing error.
2000 ABORT Response to the test request was not received within the allowable time
period.
2100 ABORT System resources required for this test are not available.
1. Retry the command at 1-minute intervals a maximum of 5 times.
FAIL The NPE of the tested port did not conference the tones correctly. This
causes noisy and unreliable connections. Although wideband calls do not
use the conferencing feature on the NPE, this failure indicates problems
with the circuit pack hardware.
1. Replace the circuit pack.
PASS The port can correctly conference multiple connections.
1. User-reported troubles on this port should be investigated by using
other port tests and by examining the terminal adapter or the external
wiring.
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