Maintenance Commands
555-233-143
7-80 Issue 1 May 2002
Terminating Trunk Transmission Test (Extension)
Test Type 100
This field specifies extensions assigned to receive tie-trunk calls from other
switches that have test line origination capability. The system responds by
sending a sequence of test tones. Test type 100 tests far-end to near-end
loss and C-message by sending:
■ 5.5 seconds of 1004-Hz tone at 0 dB
■ Quiet until disconnect; disconnect is forced after 1 minute
Test Type 102
Test Type 102 tests far-end to near-end loss by sending:
■ 9 seconds of 1004-Hz tone at 0 dB
■ 1 second of quiet
■ This cycle is repeated until disconnect; disconnect is forced after 24
hours.
Test Type 105
Test Type 105 tests 2-way loss, gain slope, and C-message and C-notch
noise by sending:
■ 9 seconds of 1004-Hz tone at -16 dB
■ 1 second of quiet
■ 9 seconds of 404-Hz tone at -16 dB
■ 1 second of quiet
■ 9 seconds of 2804-Hz tone at -16 dB
■ 30 seconds of quiet
■ ½ second of 2225-Hz test progress tone
■ approximately 5 seconds of quiet
■ forced disconnect
ISDN Maintenance
ISDN-PRI Test
Call Extension
This field indicates the extension used by far-end ISDN nodes to place calls
to the system, for testing ISDN-PRI trunks between the far end and the
system.
ISDN-BRI
Service SPID
This field shows if the link associates with the Service SPID. If the link is
associated with the Service SPID. This number is the test SPID (0 –
99999) (under BRI-SET MO). Otherwise, this field is blank. Service SPID
is a feature used by the system technician to check building wiring between
the switch and the BRI endpoint.
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