9
I
NFRARED
M
AIN
S
YSTEM
U
NIT
STEP DESCRIPTION1. Connect and test the
power supply. If it tests
OK, unplugthe connector
from the power socket
and proceed.
A)Plug the supplied 12vDC power supply into an unswitched
120V AC outlet, 50-60 HZ .
B)Plug the connector into the socket marked “Power” on the
MSU140.
C)If the Power LED does not light, test the unswitched 120
VAC outlet, 50-60 HZ with another appliance. If the outlet
tests OK, you have a defective power supply which must be
replaced for you to continue.
2. Connect the Sensor/
Keypadcable the Sensor
input.
A)Strip 1/4" of insulation from the end of each wire. Tightly
twist the end of each wire until no frayed ends remain.
B)Use a small flathead screwdriver or your thumbnail to raise the
locking tabs, exposing the holes on the removable connectors.
C)Insert each wire into the appropriate hole on the removable
connector plug (Figure 6), and snap the locking tab down.
To help you, the connector plug is keyed. Insert the smooth
side of the connector plug into the smooth side of the sock-
et. Don’t force the scalloped side of the connector plug into
the smooth side of the socket.