
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
18 V connection
Connects the ac transformer 18 V AC supply
14
Battery charge capacitor jumper
For battery power up
15
PSTN, GPRS & LAN modems
Connects PSTN, GPRS and LAN modems
PCX Installation Guide
102017852 - V01
17
Содержание PCX 78
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