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Installation Tips
1. Follow all local electrical & building code requirements.
2. The DIR10 is usually shelf or tabletop mounted. In order to
work it requires a PS1202 (200 mA) or PS1205 (500 mA) 12
VDC unregulated power supply, IR31 (single) or IR34 (dual)
emitters and one of the following: DIR54 (decora inwall style, 4
output), DIR55 (tabletop style, 4 output) or DIR58 (wall mount
or SMC style, 8 output) connection block.
3. Wires can be solid or stranded, shielded or unshielded with a
minimum of 28 gauge for runs under 200', 22 gauge for runs
under 500' and 20 gauge for runs up to 1000'. Wires can be
looped from DIR10 to DIR10 or home run. Home runs generally
offer more reliability and future flexibility.
4. DIR10's can be mixed and matched in larger systems with up
to 10 DIR infrared receivers, such as the Knoll DIR21 or DIR25.
5. When using a DIR connection block, connect the DIR10
+12vdc, GND and SIG terminals to the corresponding DIR55
terminal. Prepare the wire leads to and from the DIR receiver by
stripping about ¼" of the insulation from each of the 3 leads.
Twist the strands tightly together so that they do not stick out
RJ45
RJ45
Connection
Note: DIR10's are
wired in parallel
PS1202
12 V DC Power Supply
Receiver
DIR55
IR31A
12V
GND
SIG
CD
IR34A
Block
Dish
IR34A
of the connector and cause a short-circuit. Be sure to observe
polarity. If you are connecting with the RJ45 connector you may
need a RJ45 paralleling strip to parallel connect the wires from
multiple DIR receivers.
6. Next plug in the single or dual emitters into the DIR
connection block.
7. Then plug in the PS1202 (for up to five receivers) or PS1205
for five to eleven receivers.
8. The infrared system is usually left plugged in all the time (to
an unswitched outlet) as it uses very little power.
9. Test the digital infrared system to see if it is working
properly. If it works only from a very close range or it does not
work at all, first mark where the pot adjustment is on the DIR
connection block blue color pot. This is so you can reset it to
that starting point again. Try adjusting the pot on the
connection block very slightly left and right as you are testing
the receiver with the remote control. This may require two
people. This should correct for the problem. If it still does not
work properly, please call Knoll Systems and ask for infrared
technical support at 1-800-566-5579. The help line is open from
7:30 a.m. to 5:00 p.m. Monday to Friday Pacific time.
RJ45
171
System
Talkback
IR
power
LED
Receiver
on LED
RJ45
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