3
Modules & Connecting Blocks
789-44D
+12V
STATUS
GND
OUTPUT
780-80
IR RECEIVER
XANTECH CORP
.
SYLMAR, CA
91342
MADE IN U.S.A.
283M
Blink-IR™
Mouse Emitter
To 120 V AC
(Unswitched)
781C-00
Power Supply
789-44D
Connecting
Block
283M
Blink IR™
282M
Emitter
Hand Held
Remote
VCR
GND
OUT
+12V
780-80
J-Box
IR Receiver
(rear view)
4-Conductor
Inter-room Cable
(unshielded OK)
STATUS
White Striped
Side ("+")
781C-00
Power
Supply
(12V at
10 mA)
Plug into
Switched AC
Outlet on A/V
Receiver
(see text)
Add resistor in series
with STATUS line to
adjust brightness, if desired.
(See text, next page).
REMOTE ROOM
MAIN ROOM
–
+
A/V Receiver
Satellite Receiver
+12V
GND
IR IN
STATUS
6. The emitter ports are driven in parallel with a 470-Ohm resistor connected in series with each port.
The resistors ensure proper current sharing to each emitter. When using less than 4 emitters, you may
plug them into any of the 4 emitter ports without regard to order.
7. Because of this current sharing feature, you may plug in any combination of the Xantech 282, 283, 284
& 286 series emitters (up to a maximum of 8 individual emitters) to drive the desired number of devices.
NOTE 1: Be sure the Power Supply is plugged into an un-switched AC outlet. This maintains the
system in "standby" operation so that power-on commands can be sent to the controlled equipment.
Fig. 3
Using the STATUS terminal in a typical system
Using The "STATUS" Terminal on the 789-44D
Fig. 3 illustrates a single zone system where the Status LED on a Xantech 780-80 IR Receiver, in the remote
room, shows the ON/OFF status of an A/V receiver.
• The STATUS and GND terminals on the 789-44D provide convenient tie points for the voltage that drives
STATUS indicators on certain Xantech products (such as the 780-80 IR Receiver).
To connect such a system, proceed as follows:
1. Be sure all power plugs for the A/V system are unplugged before proceeding with the following
connections.
2. Plug a 12V adapter, such as the Xantech 781C-00 Power Supply, into the
switched AC Outlet on the
back of the A/V receiver (or integrated amplifier, preamp, etc.).
3. The 12V leads of the adapter (cut attached plug off) are then connected between the STATUS and
GND terminals on the 789-44D ("+" to STATUS, "–" to GND).
4. You would then connect the 4-conductor inter-room cable between the 789-44D and the 780-80 as
shown in Fig. 3.
5. If you wish to adjust the brightness of the Status LED, place a resistor in series with the STATUS lead
as shown in Fig. 3. Use a value that achieves the desired brightness (usually 1k Ohm to 10k Ohm,
1/8 watt).
