D9000/D7000 Series Operation & Installation Manual
Page 46
74-07692-000-C 4/97
SERVC KEYPAD
- Supervised Command
Center Missing
When the panel loses contact with a supervised
Command Center, SERVC KEY PAD appears at
other Command Centers connected to the panel.
The panel transmits an
SDI FAILURE
report to
the receiver. See also
CALL FOR SERVICE.
Pressing "ESC" silences the buzzer. The displays
clear when contact with the missing Command
Center restores.
SERVC 9210 #n
- D9210B Access Interface
Module Missing
When the panel looses contact with a D9210B
Access Interface Module, SERVC 9210 #n
appears at the other command centers
connected to the panel. The panel transmits an
SDI FAILURE ## report to the receiver. See also
CALL FOR SERVICE.
PH LINE #1
(or 2) - Phone Line Failure
SERVC PH LINE #1 (SERVC PH LINE #2)
appears in Command Center displays when the
panel detects a phone line as faulted.
Pressing "ESC" silences the buzzer. The display
clears when the panel detects a normal phone
line. See
Phone Line Monitor in the Telephone
Connections section for a complete description.
SERVC PRINTER
- Supervised Printer
Missing
When the panel loses contact with a supervised
printer, SERVC PRINTER appears in Command
Center displays.
Pressing "ESC" silences the buzzer. The displays
clear when contact with the missing printer
restores.
Phone Line Trouble
Phone line problems that are not corrected can
result in the panel going into Communications
Failure. You can program the D9412/D9112 to
monitor one or two phone lines. See the
D9000/
D7000 Series Program Entry Guide (74-07695-
000) for programming instructions.
If you enable the phone line monitor, SERVC
PHONE LINE #1 (or 2 if two lines are used)
appears in the Command Center’s display when
the panel detects a problem on the phone line.
Symptom
Diagnosis
Remedy
SERVC PH LINE #1
(or 2 if two lines are
used) appears in
command center
display.
The panel's phone line
monitor detects a
phone line as faulted.
1.
Verify that the telephone cord is correctly
connected to the RJ31X and the panel.
2.
Verify the Ground Start Jumper is in the
correct position.
3.
If using a ground start phone line, verify
D136 relay is in socket K6/J5.
4.
Verify that the RJ31X jack is wired
correctly. The incoming phone line must
be wired to terminals 4 and 5. The in-
house phone system must be wired to
terminals 1 and 8.
5.
Verify that all telephones are on-hook.
Leaving a telephone on hold after the
other party hangs up creates an off-hook
condition. Verify that no phones are on
hold.
If completing the steps above does not
restore the phone line, meter the phone
lines. You should meter 4.5 to 7.5 VDC when
the line is idle (on-hook). You should meter 8
to 13 mA of current when the line is active
(off-hook). If your readings are below the
minimum values, contact your telephone
company repair service.
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