Niles MSU250 Installation Manual page 15

OPERATION
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connected to one of your sensor wires will display the power status of your system.
POWER STATUS — INSTALLATION CONSIDERATIONS
PROPER POWER SUPPLY
If status is being supplied from a switched outlet you must connect a Niles 12VDC wall adapter
(Niles FG00665) into the switched AC power outlet of the preamp/receiver in your system. Any
12VDC power supply with a minimum of 100mA current capacity can be substituted.
Extending the Cable
If you must extend the cable from the wall adapter to the MSU250's status input jack be sure to
maintain correct polarity. The tip of the plug should be positive (+) and the sleeve negative (-).
Any 16 gauge 2-conductor cable can be used to extend the power status cable up to 200' (61m).
Checking the Power Supply
It is possible to check the status power supply itself and any connections that were made to
extend the cable by inserting the status plug into the Power jack on the MSU250. If the Power
LED lights the status power supply and connections are ok. If the Power LED does not light check
all connections and replace the power supply if necessary. For more details on incorporating the
IntelliPad please refer to the IntelliPad's users manual.
System Expansion
System expansion is easily achieved (Figure 9) through the use of an IRH610 infrared sensor
expansion hub. Please see your authorized Niles dealer or refer to the IRH610 manual for details.
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