Error Messages from Chapter 8: Maintenance
Commands
555-233-123
A-24 Issue 4 May 2002
Test Type 105
Test Type 105 tests 2-way loss, gain slope, and C-message and C-notch
noise by sending:
■ nine seconds of 1004 Hz at -16 dB
■ one second of quiet
■ nine seconds of 404 Hz at -16 dB
■ one second of quiet
■ nine seconds of 2804 Hz at -16 dB
■ 30 seconds of quiet
■ one-half second of Test Progress Tone (2225 Hz)
■ approximately five 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.
DS1 Maintenance
DSO Loop-Around
Test Call
Extension
The extension used to set up a DSO loop around connection for testing
non-ISDN DS1 trunks. The DSO Loop-Around Test Call feature is used
primarily for testing DSO channels associated with non ISDN-PRI trunks.
The loop-around is activated by dialing the test extension number;
multiple DSO Loop-Around connections can be established by placing
multiple calls to the loop-around extension.
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