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3. Installation
Fitting a Plug-by Communicator
The 9851 can be fitted with a communicator or speech dialler (for example
the Scantronic 8400, 8440, 660 or RedCare STU). To fit a communicator,
follow the instructions below.
Caution: Follow the instructions in the order shown, or you may dam-
age the control unit and/or communicator.
1. Disconnect mains and battery power from the control unit and remove
the case lid, if the system has already been installed.
2. Make any necessary connections from the communicator to the Comms
Wiring Harness. Figure 21 shows the outputs available on the free ends
of the Comms Wiring Harness.
Comms O/P1 (Brown) -ve applied (+ve removed) in alarm
Comms O/P2 (Orange) -ve applied (+ve removed) in alarm
Comms O/P3 (Yellow) -ve applied (+ve removed) in alarm
Comms O/P4 (Green) -ve applied (+ve removed) in alarm
Comms O/P5 (Blue) -ve applied (+ve removed) in alarm
Comms O/P6 (Purple) -ve applied (+ve removed) in alarm
Comms O/P7 (White) -ve applied (+ve removed) in alarm
Comms O/P8 (Grey) -ve applied (+ve removed) in alarm
Line Fail input (White/Brown) +12V applied to indicate telephone line fail.
Tell Back input (White/Orange) +12V appied to change from engineer to customer reset.
0V (Black)
12V (Red)
Com Connector Cable, Part No. 485210
Figure 21. Communications Wiring Harness.
3. Plug the Comms Wiring Harness onto the communications connector on
the main PCB (see Figure 3).
If the system has already been installed:
4. Re-connect the battery.
5. Fit the case lid.
6. Apply mains power.
7. Test communicator operation (see programming commands 151 to
158).
Fitting a Battery
Fit a rechargeable battery into the back of the case. The case provides space
for a 12V 7AH battery, or 17AH battery with kit 8136EUR-02.
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