Xantech 789-44D Manual

Xantech Ikke kategoriseret 789-44D

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Side 1/4
1
Modules & Connecting Blocks
789-44D
INSTALLATION INSTRUCTIONS
789-44D
ONE ZONE IN-WALL CONNECTING BLOCK
The Model 789-44D is an in-wall version of the 789-44 Connecting
Block and is trimmed with a standard decorator-style cover plate
(not included). It permits connection of Xantech IR Receivers and
Keypads to four single or four dual emitters, with a power supply,
in infrared repeater systems. It can also provide emitter expan-
sion for various Xantech devices, such as the 590, 710, 796-20,
etc. The STATUS terminal provides a convenient tie point for
voltage to drive the STATUS indicator on certain Xantech prod-
ucts, such as the 780-80 IR Receiver (refer to Fig. 3).
SPECIFICATIONS
• Inputs: 1 - Screw-type, 4-terminal plug-in. 1 - IR RCVR, 3.5mm
stereo mini jack. (See Caution Note, Fig. 4).
• Outputs: 4 - Emitter ports (3.5mm mono mini jacks) parallel
driven.
• Contains a 470-Ohm resistor in series with each emitter output.
• Xantech 282, 283, 284 & 286 series Emitters may be used.
• Power: 12 volts DC, 2.1 mm coaxial power jack. Use a 781C-00 or 782-00 Power Supply. Note: A power
supply
is not connected to the 789-44D when it is used as an emitter expander only.
• Dimensions: 1-3/8" W x 1-3/4" D x 4-1/8" H
INSTALLATION
Fig. 2, next page, illustrates a typical installation using the 789-44D in an IR repeater system. A variety of
Xantech IR Receivers and a keypad are shown. When configuring a system, please keep the following
items in mind:
1. More IR Receivers may be wired in parallel, in the same manner as shown, up to a maximum of twelve.
More than twelve is not recommended since IR noise picked up by the many IR receivers may cause
erratic operation and reduce remote control range.
Note: This restriction does not apply to Xantech Smart Pad keypads. These may be added virtually
without limit, provided power supply requirements are taken into consideration. See item 3.
2. Be sure to connect the +12V, Output and Gnd of each IR Receiver and keypad to the respective +12V,
IR IN, GND and STATUS (where applicable) of the connecting block as shown.
3. Xantech Smart Pads may be used by themselves or together with IR receivers as shown. When you
do this however, the higher current requirements of the keypads must be taken into consideration as
follows:
a) Each 730-00 keypad draws 70 mA. A Smartpad
2
or Smartpad
3
draws 85 mA.
b) Each IR receiver draws 10 to 20 mA (check specs. on actual model).
c) The max. current for proper operation from the 781C-00 Power Supply is 120 mA.
d) The max. current from the 782-00 Power Supply is 1000 mA.
e) When using combinations of keypads and receivers, do not exceed the max. current of the power
supplies as noted above.
Emitter
Output
Jacks
2.1mm Power
Jack (12VDC,
center pin +)
IR Receiver
3.5mm Stereo
Mini Input Jack
IR RCVR 12VDC
EMITTERS
Fig. 1 789-44D Connecting Block
2
789-44D
• For example, 1 keypad and several IR receivers could be used with one 781C-00 Power Supply. 12
keypads and 8 (or more) receivers could be used with one 782-00 Power Supply.
• Also, two or three 781C-00 power supplies could be wired in parallel for intermediate numbers of keypads
and receivers.
• CAUTION: The 781C-00 power supply is unregulated and therefore can be paralleled. However,
never
parallel regulated power supplies, such as the 782-00.
• To use additional 781C-00's in parallel, plug the first one into the 12 VDC jack on the 789-44D. Then, on
the additional one(s), simply cut off the 2.1 mm coaxial plug, strip the lead ends and connect them to the
+12V and GND terminals at the 4-terminal input plug. Be sure to observe correct polarity! (White striped
lead is +).
• CAUTION: Do not use unregulated 12V power supply adapters from other manufacturers. These may
deliver excessive voltage to the IR receivers and cause them to “latch-up”. When this occurs, the
“talkback” LEDs and the Blink IR Emitters (if used) will stay on continuously!
4. For clarity, connections in Fig. 2 are shown going to a 3-conductor bus in a "daisy chain" fashion. In
an actual installation, however, it is recommended that 4-conductor "home-runs" be pulled from each
room to the 789-44D Connecting Block in the main room. The home-runs maintain higher power
supply voltage to each IR receiver and keypad, and the extra 4th wire can be used for "STATUS" if
desired (refer to Fig. 3).
5. The "IR RCVR" jack on the 789-44D (see Fig. 1) allows the 490-30 (and other Xantech IR Receivers
with a cable having a 3.5 mm stereo mini plug), to be plugged directly into the 789-44D. You can do
this when the 789-44D Connecting Block is within reach of the 7-foot cable, such as when installing
the 490-30 in a cabinet where the controlled equipment is behind closed doors.
CAUTION: Plug only Xantech IR Receivers equipped with a stereo mini plug into the IR
Receiver jack.
Do not
plug in emitters or other devices; to do so will destroy emitters and
damage power supplies!
OUT
V
IR
RCVR
PWR
GS
789-44D
Connecting
Block
Satellite Receiver
AV Receiver
VCR
MAIN ROOM, EQUIPMENT CABINET, ETC.
To 120 V AC
(Unswitched;
see NOTE 1)
782-00
Power
Supply
282M
Emitter
283M
Blink IR™
7 Foot 3-Conductor
Cable with Quick
Connect Stereo
Mini Plug
490-30
Series
Micro Link™
IR Receivers
291-10
Hidden Link™
IR Receiver
GND
OUT
+12V
ROOM 3
780-10
J-Box
IR Receiver
490-00
Series
Micro Link™
IR Receivers
3-Wire
Cable
OUT
GND
+12V
480-00
Dinky Link™
IR Receiver
Red
Stripe
Smart
Pad™
GND
OUT
+12V
ROOM 2
ROOM 1
ROOM 4
GND
OUT
+12V
286M
Dual Blink IR™
(to other
controlled
devices)
3-Wire
Cable
OUT
GND
+12V
Red
Stripe
+12V
OUTPUT
GND
780-10
J-BOX RECEIVER
XANTECH CORPORATION
SYLMAR, CA 91342
CAUTION:
See text, item 5.
7 Foot Quick
Connect Cable
CB12
Connecting
Block
282M
Emitter
+12V
GND
IR IN
Fig. 2 A typical 789-44D System

Produkt Specifikationer

Mærke: Xantech
Kategori: Ikke kategoriseret
Model: 789-44D

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