The Printed Circuit Board
No Item Description
1 Case tamper hold-off jumper
2 PGM 1 relay output
3 Speaker connection Connects a 16 Ohm speaker
4 External sounder connections Connects an external sounder
5 Input connections 8 fully programmable inputs
6 Tamper switch Optional tamper protection for the metal casing
7 Auxiliary 12 V power 12 V power supply
8 Inputs or outputs Inputs 7 and 8 may be programmed as outputs if unused
9 Battery connect 'Kickstart' switch To power-up and program from battery power when no mains
power is available
10 RS485 bus terminals Connects peripherals
11 Battery connection For battery power up
12 Earth connection Connects the earth
13 18V connection Connects the ac transformer 18V AC supply
14 Battery charge capacitor jumper For battery power up
15 PSTN, GPRS & LANmodems Connects PSTN, GPRS and LAN modems
PCX Installation Guide 102017852 - V01 17
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