Additional maintenance procedures
Facility test calls
372
Maintenance Procedures
December 2003
Out-of-Service time slot test call
This call can be used to determine whether there are any out-of-service time slots on the specified port
network’s TDM bus. If so, you will be connected to one. By listening to noise on the time slot and
selectively removing circuit packs, you may be able to isolate the source of interference.
To place the call:
1
Dial the FAC described above and listen for dial tone.
2
Dial the port network number followed by
****
.
004
260
Reorder
005
261
Touch Tone 1 — 697 Hz
006
262
Touch Tone 2 — 770 Hz
007
263
Touch Tone 3 — 852 Hz
008
264
Touch Tone 4 — 941 Hz
009
265
Touch Tone 5 — 1209 Hz
010
266
Touch Tone 6 — 1336 Hz
011
267
Touch Tone 7 — 1447 Hz
012
268
Touch Tone 8 — 1633 Hz
013
269
Dial Tone
014
270
Reorder Tone
015
271
Alert Tone
016
272
Busy Tone
017
273
Ringback Tone
018
274
Special Ringback Tone
019
275
2225-Hz Tone
020
276
Music
021
277
Tone on Hold
022–253
278–509
Confirmation (used for calls)
254
510
Reorder
255
511
Confirmation
Table 87: TDM Bus time slot numbers
TDM Bus A
time slot
TDM Bus B
time slot
Tone heard
(2 of 2)
Summary of Contents for CMC1
Page 1: ...Maintenance Procedures 555 245 103 Issue 1 1 December 2003 ...
Page 14: ...Contents 14 Maintenance Procedures December 2003 ...
Page 416: ...Additional maintenance procedures IP Telephones 416 Maintenance Procedures December 2003 ...
Page 426: ...Index X 426 Maintenance Procedures December 2003 ...