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I
NFRARED
M
AIN
S
YSTEM
U
NIT
12VDC/
200mA
OUTPUT
1 2345678
FLASHER OUTPUTS
MSU480
IR MAIN SYSTEM UNIT
POWER
+12V DC
3-30V
AC/DC
STATUS
IN
CONTACT
CLOSURE
INPUT 1 INPUT 2 INPUT 3 INPUT 4
HI
LOW
HI
LOW
STATUS
IR
OUTPUT TO MSU
POWER
STATUS
+12V DC
IRH610
IR EXPANSION HUB
INPUT 1
INPUT 4 INPUT 5 INPUT 6
INPUT 2 INPUT 3
Infrared
Sensors
IRH610
Expansion Hub
MSU480
Main System Unit
12VDC
Power supply (not
supplied) plugged into
an unswitched outlet
Niles stock#XF00060A
Figure 6
Wiring diagram for
expanding a system
using the IRH610
Infrared Expansion Hub
DS00330ACN/MSU480 12/19/03 9:05 AM Page 9