3.6.29
1.
2.
3.6.30
1.
2.
3.8.31
1.
3.6.32
1.
Off Hook Signalling:
Check the system programming data for off hook signalling.
Change station B.
Do Not Disturb:
Check that station B has DND enabled in system programming.
Change station B.
Do Not Disturb:
Refer to maintenance flow charts.
2.
Alternate Point Answering:
Ensure that station C is operational using the station test. Do not operate the ICM key at
station C.
Replace ECPB board.
3.6.33
1.
2.
3.6.34
1.
2.
Alternate Point Answering:
Change ESTB board for station C.
Change station C.
ICM Busy:
Ensure that every station was operational (station test).
If EXPB-B or EXPB-D is installed six stations may seize intercom lines. An intercom line is
reserved for each DSS console.
3.6.35
1.
2.
3.6.38
1.
Hot Line:
Check that the hot line has been programmed in the system data
Check the calling and called stations wiring and operation.
Hot Line:
2.
3.
3.6.37
1.
Check that an ELNB board is installed in the position used by hot line (usually the last or
second last ELNB position) and that EXPB-A/C boards are installed as required.
Check the calling and called stations wiring and operation.
Replace ELNB board.
ADD ON:
2.
3.8.38
1.
2.
3.
It is important to exactly follow the instructions when testing this facility. If ADD ON is
attempted at station A, it will not work.
Change station C.
ADD ON:
If there is no intrusion tone, change ETSB board.
Change ESTB board for station C.
Change
board.
3.6.39
ADD ON:
1.
Follow maintenance flowcharts.
3.6.40
1.
2.
Internal Zone Paging:
3.
4.
Check the system programming data for internal paging zones.
Check the stations which do not correctly receive paging. Ensure that the speaker is
connected to
and S2. Check that stations function correctly (station test).
A station will not receive paging if it is busy (i.e. is OFF HOOK and has pressed a key).
Change ESTB board associated with stations which don’t function.
177
ISSUE 1