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3. Installation
Fitting a Plug-On Communicator
Caution: Before fitting a plug on communicator, the control unit
must be completely powered down, mains and battery. When
reapplying power, the battery must be connected first. Failure
to do so may result in damage to the control unit.
Remember to short the "Kick Start" pins when powering from a battery only.
Plug-On Communicator Signals:
The 9851 plug on communicator pins are variants of the standard Scantronic
footprint. In the 9851 the function of the plug-on pins are fixed and cannot be
modified.
All outputs are +ve (5V) applied in alarm.
All inputs are +ve (12V or 5V) applied to indicate line fail, comms fail and tell
back.
Channel Sent Pin Input / Output Signal
to ARC
CH 1 1 O Fire
CH 2 2 O PA
CH 3 3 O Burg
CH 4 4 O Close = +ve, Open = -ve
CH 5 5 O Omit
6 I Tel Back
7 I Comms Fail
- 8 O Low Batt
9 Power supply 12V
10 Power supply 0V
11 - Not Used
12 Power supply 5V
CH 6 13 O Abort
CH 7 Note 1 14 O Confirm
15 I Line Fail
CH 8 16 O Technical
Note 1: Channel 6 will be sent by some Redcare STUs on pin 14.
For operation of the RedCare transmitter see the manufacturer's instructions.
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