Maintenance Commands and Trouble-Clearing Aids
555-233-123
8-40 Issue 4 May 2002
Test Type
100,
Test Type
102, Test
Type 105
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 0dB
■ Quiet until disconnect; disconnect is forced after one minute
Test Type 102 tests far end to near end loss by sending:
■ 9 seconds of 1004 Hz tone at 0dB
■ 1 second of quiet
■ This cycle is repeated until disconnect; disconnect is forced
after 24 hours.
Test Type 105 tests 2-way loss, gain slope, and C-message and
C-notch noise by sending:
■ nine seconds of 1004 Hz at -16dB
■ one second of quiet
■ nine seconds of 404 Hz at -16dB
■ one second of quiet
■ nine seconds of 2804 Hz at -16dB
■ 30 seconds of quiet
■ one-half second of Test Progress Tone (2225 Hz)
■ approximately five seconds of quiet
■ forced disconnect
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.
Table 8-1. Scheduled Maintenance Settings — Continued
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