Niles MSU140 Installation & Operating Manual page 15

I
N F R A R E D
POWER
+12V DC
MSU140
Main System Unit
IRH610
Expansion Hub
Figure 8
Wiring diagram for
expanding a system
using the IRH610
Infrared Expansion Hub
M
A I N
1 2 3 4
3-30V
AC/DC
STATUS
FLASHER OUTPUTS
IN
MSU140
IR MAIN SYSTEM UNIT
INPUT 1
INPUT 1 INPUT 2
IR EXPANSION HUB
INPUT 4 INPUT 5
S
Y S T E M
INPUT 3
OUTPUT TO MSU
IRH610
POWER
STATUS
INPUT 6
+12V DC
U
N I T
3-30V AC/ DC power supply
plugged into an unswitched
outlet Niles stock# FG01035
Infrared
Sensors
14