Installation Instructions

11
Galaxy 2 Series Installation Manual
SECTION 5: HARDWARE
PCB Layout (2–44+)
Figure 4. Galaxy 2–44+ PCB Layout
PCB Layout
AC power
Zone Terminals
COM
N/O
TRIG N/C
BELL +12v
0v
T
SAB Connections
Loudspeaker
DI
DO AUX+
AUX-
A
B
AUX+
AUX+
LED2
BELL FUSE
AUX FUSE
F3
F2
F1
BATTERY FUSE
Program Header
Processor
Alternative Phone Socket
B
A
B
LINE IN
A
Extension
Phone Output
Phone Line
Input
Data in
Data out
12V Aux
Output
RS 485 peripherals
BATT +
BATT -
Trigger Header
Audio Connector
LK1
RELAY
Engineer Header
Battery Terminals
For ECP peripherals
see Note
Note: If Relay is fitted the TRIG terminal is used as N/C for Relay. If Relay is not fitted the COM & N/O terminals are not fitted. The TRIG N/C terminal is the transistorised output.
HEATSINK
Tamper Spring and switch SW1 (plastic box only)
Note: Switch SW1 and the tamper spring are for the plastic box only. The metal box has a 2-way terminal for connection to the lid tamper microswitch.
RIO 0
RIO 1
1
2
0v
3
4
0v
5
6
0v
7
8
9
10
0v
0v
11
12
0v
LED 1
Telecoms
2-way header RS485 termination
TAMPER