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NFRARED MAIN SYSTEM UNIT
STEP DESCRIPTION
1. Connect and test the
power supply. If it tests OK,
unplug the connector from
the power socket and
proceed.
A) Plug the supplied 12VDC power supply into an unswitched 120
volt AC outlet, 50-60 HZ .
B) Plug the connector into the socket marked “Power” on the
MSU250.
C)If the Power LED does not light, test the unswitched 120 volt
AC 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/Keypad
cable 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 socket.
Don’t force the scalloped side of the connector plug into the
smooth side of the socket.
DS00328ACN_MSU250.qxp 2/27/04 10:10 AM Page 9