Xantech 789-44 Handleiding
Lees hieronder de đź“– handleiding in het Nederlandse voor Xantech 789-44 (3 pagina's) in de categorie Splitter. Deze handleiding was nuttig voor 43 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
Pagina 1/3
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1
Modules & Connecting Blocks
INSTALLATION INSTRUCTIONS
12VDC
+12
VDC
GND
STATUS
IR IN
EMIT TERS
789-44
CONNECTING BLOCK
®
IR
RCVR
Fig. 1 Model 789-44 Connecting Block
The Model 789-44 provides a quick low cost means of connecting
Xantech IR receivers and keypads to four single or four dual
emitters, with a power supply, in an infrared repeater system. It
can also provide emitter expansion for various Xantech devices,
such as the 590, 710, 792-10, 795-20, 796-20, etc.. The STATUS
terminal provides a convenient tie point for voltage to drive the
STATUS indicator on certain Xantech products, such as the 780-
80 IR Receiver (refer to Fig. 3).
SPECIFICATIONS
• Inputs: 1 - Screw type 4-terminal plug-in. 1 - IR Receiver "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 Mini Emitters may be used.
• Power requirements: 12 volts DC. Uses 781RG or 782-00 Power Supplies. A power supply Note: is not
connected to the 789-44 when it is used as an emitter expander.
• 2.1 mm coaxial power jack.
• Dimensions: 2-15/16" W x 1-3/4" D x 13/16" H
INSTALLATION
Fig. 2, illustrates a typical installation using the 789-44 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 SmartPad 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, IR OUT and GND of each IR Receiver and keypad to the respective
+12VDC GND, IR IN and of the connecting block as shown.
3. Xantech SmartPads 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 65 mA. A SmartPad2 or 3 draws 85ma.
b) Each IR receiver draws 10 to 20 mA (check specs. on actual model).
c) The max. current for proper operation from the 781RG Power Supply is 200 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.
789-44
CONNECTING BLOCK


2789-44
Fig. 2 A Typical 789-44 System
3. (Cont'd)
• For example, 2 keypads and several IR receivers could be used with one 781RG Power Supply and
12 keypads and 8 (or more) receivers could be used with one 782-00 Power Supply.
NOTE: To avoid current "hogging", never connect regulated power supplies, such as the 781RG or
the 782-00, in parallel!
• 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 283 Blink IR's (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 789-44 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 789-44 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 789-44. You can do this when the
789-44 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 RCVR
jack. Do not plug in emitters or other devices; it will destroy emitter & damage power supplies!
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 282, 283, 284 & 286
series of emitters (up to a maximum of 8 individual emitters) to drive the desired number of devices.
NOTE: Be sure the 781RG 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.
OUT
V
IR
RCVR
PWR
G S
789-44
Connecting Block
Satellite Receiver
AV Receiver
VCR
MAIN ROOM, EQUIPMENT CABINET, ETC.
To 120 V AC
(unswitched; see
NOTE, item 7)
781RG
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
IR OUT
+12V
ROOM 3
780-10
J-Box
IR Receiver
490-00
Series
Micro Link™
IR Receivers
3-Wire
Cable
IR OUT
GND
+12V
480-00
Dinky Link™
IR Receiver
Red
Stripe
Smart
Pad™
GND
IR OUT
+12V
ROOM 2
ROOM 1 ROOM 4
GND
IR OUT
+12V
286M
Dual Blink IR™
(to other
controlled
devices)
3-Wire
Cable
IR OUT
GND
+12V
Red
Stripe
+12V
IR O UT
GND
780-10
J-BOX RECEIVER
XANTECH C ORPORATION
SYLMAR, CA 91342
CAUTION:
See text, item 5.
7 Foot Quick
Connect Cable
CB12
Connecting
Block
12VDC
+12 VDC
GND
STATUS
IR IN
EM IT T ER S
IR
RCVR
789-44
CONNECTING BLOCK
®
282M
Emitter

3
Modules & Connecting Blocks
789-44
Fig. 3 Using the STATUS terminal in a typical system (see text, pg 4).
6-15-00
Using The "STATUS" Terminal on the 789-44
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 GND and terminals on the 789-44 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 un-plugged before proceeding with the following
connections.
2. Plug a 12V adapter, such as the Xantech 786-00 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 789-44 (" " to STATUS, " " to GND).
4. You would then connect the 4-conductor inter-room cable between the 789-44 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 . Use a value that achieves the desired brightness level (usually 1k Ohm to 10k Ohm,Fig. 3
1/8 watt).
CAUTION NOTE
When using long lengths (>50 ft.) of inter-room
shielded cable, it may be necessary to connect a
470 Ohm 1/8 Watt resistor between andIR IN
GND at the connector terminals of the 789-44.
Refer to Fig.4.
The resistor discharges the cable capacitance
more quickly, allowing IR codes of high bit rates
to pass without data loss.
MOUNTING
The 789-44 can be conveniently mounted to a wall or shelf by using the two sheet-metal screws supplied.
The unit may be mounted in any orientation to accommodate the installation.
+ 1 2 V D C
GN D
ST AT U S
IR I N
470 Ohm
resistor
Shielded Cable
to remote room
789-44 Input
Terminals
Ground Shield as shown
Fig. 4 470 Ohm Capacitance Discharge Resistor
+12VDC
ST AT US
GND
IR OUT
780-80
IR RECEIVER
XANTECH CORP.
SYLMAR, CA 91342
283M Blink-IR™
Mouse Emitter
To 120 V AC
(unswitched)
781RG
Power Supply
789-44
Connecting Block
283M Blink IR™
282M Emitter
Hand Held
Remote
VCR
GND
IR OUT
+12V
780-80
J-Box
IR Receiver
(rear view)
4-Conductor
Inter-room Cable
(unshielded OK)
STATUS
White Striped Side ("+")
786-00
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
–+
12VDC
+12 VDC
GND
STATUS
IR IN
EM IT T ERS
IR
RCVR
789-44
CONNECTING BLOCK
®
A/V Receiver
Satellite Receiver
Product specificaties
| Merk: | Xantech |
| Categorie: | Splitter |
| Model: | 789-44 |
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