11
Galaxy 2 Series Installation Manual
SECTION 5: HARDWARE
PCB Layout (2–44+)
Figure 4. Galaxy 2–44+ PCB Layout
PCB Layout
SW 1
AC power
TAMPER
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
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
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