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Figure 5
An IR sensor cable is
“daisy-chained” from an
IntelliPad, to a sensor and
back to the MSU250
INSTALLATION CONSIDERATIONS (CONTINUED)
INTELLIPAD WIRING
When you are placing both a IntelliPad and a sensor (or two keypads) in one room you may “daisy-
chain” using a single cable. A cable is run between the keypad and the sensor and a single cable is
run from either the sensor back to the MSU250.To prevent data feedback an IN4003 blocking diode
is inserted on the data (IR) line between the IntelliPad and the sensor. The cathode, or blocking side
of the diode, faces the IntelliPad. (Figure 5). Note that status wire is connected to IntelliPad’s status
(+) connector.
SENSOR/KEYPAD CABLE
The MSU250 connects to IR sensors and the IntelliPad with CAT-5 cable, with a maximum cable
run of 500’ (152.4m). Flasher cable Niles infrared flashers come supplied with a 10’ (3m) 2-conduc
-
tor 22 gauge cable. Should you need to extend it, use a 16 gauge 2-conductor cable (“zip-cord”).
Shielding is not necessary
for a flasher. Flasher wires can be extended up to 200’ (61m).
NILES AUDIO CORPORATION – 1-800-BUY-HIFI – 305-238-4373
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