©
2010 Bosch Security Systems, Inc.
ISW-EN4200 Serial Receiver Installation Guide
8/10 | F01U167054-01 | 3
Figure 3: ISW-D8125CW-V2 to D9412 (GV3, GV2, and G) and D9112 Control Panel Wiring Diagram
ZONEX OUT 2
ZONEX IN 2
ZONEX POWER +
ZONEX COMMON
23
24
25
26
27
28
ZONEX OUT 1
ZONEX IN 1
ZONEX BUS
RECEIVER 2
RECEIVER 1
+12V
TX1
RX1
GND
+12V
IN
OUT
GND
+12V
TX2
RX2
GND
Vs
RX
TX
GND
Vs
RX
TX
GND
ZONEX BUS
RECEIVER 2
RECEIVER 1
+12V
TX1
RX1
GND
+12V
IN
OUT
GND
+12V
TX2
RX2
GND
Vs
RX
TX
GND
Vs
RX
TX
GND
3
1
4
5
2
6
7
1 -
ISW-D8125CW-V2 connected to Zonex 1 on control panel (Points 9 to 127)
2 -
ISW-D8125CW-V2 connected to Zonex 2 on control panel (Points 129 to 247)
3 -
Control Panel
4 -
ISW-EN4200 Receiver (RECEIVER 1 on first ISW-D8125CW-V2)
5 -
ISW-EN4200 Receiver (RECEIVER 2 on first ISW-D8125CW-V2)
6 -
ISW-EN4200 Receiver (RECEIVER 1 on second ISW-D8125CW-V2)
7 -
ISW-EN4200 Receiver (RECEIVER 2 on second ISW-D8125CW-V2)