Xantech INJ94 User manual

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Accessories
INSTALLATION INSTRUCTIONS
DESCRIPTION
The INJ94 injects and the CPL94B extracts IR control signals on the same coaxial cable that carries TV or
other RF signals, using the patented Xtra Link™ principle.
Located in Remote Rooms, the INJ94 injects the remote control signal into the room-to-room coaxial cable
(along with the TV signal) and passes it to a CPL94B or CPL10 Coupler in the Main Room or equipment
area. It is designed specifically so that Xantech IR Receivers having 3.5mm stereo mini plugs may be
plugged in directly to the IR RCVR jack. The 2.1mm +12 V coaxial jack also provides quick connection of
the Xantech 781RG power supply.
Located in the Main Room or equipment area, the CPL94B extracts the remote control signal from the
coaxial cable and passes it to the emitters that control the source equipment. Any of the Xantech single
or dual emitters may be plugged directly into the 3.5mm mono mini EMITTER jacks, in any combination,
for control of up to four components.
SPECIFICATIONS
INJ94 Injector:
• "F" coaxial connector jacks for TV and INPUT signals.
• 3.5mm IR RCVR stereo mini jack for quick connection of Xantech IR Receivers having 3.5mm stereo mini
plugs.
• 2.1mm +12 V jack for connection of the Xantech 781RG Power Supply.
• Dimensions: 2-3/16" x 1-3/8" x 7/8" (case).
CPL94B Coupler:
• "F" coaxial connector jacks for SAT/VCR and REMOTE TV signals.
• Two 3.5mm EMITTER mono mini jacks, with 470 Ohm series resistors, for quick connection of two
Xantech single or dual emitters.
• Dimensions: 2-3/16" x 1-3/8" x 7/8" (case).
INSTALLATION
FIG. 3 illustrates a typical installation using two INJ94's and a CPL94B in a three room system.
When configuring these types of systems, keep the following factors in mind:
1. Room-to-room coaxial cable lengths, exclusive of RF signal considerations, may be up to one mile in
length, using RG-6, for successful IR signal transmission.
2. Whenconfiguringmultiplerooms,besuretheRFsplittersusedareDCpassingtypes,suchasXantech
Models 200-00 (2-way) and 202-00 (4-way). Refer to Figs. 3 and 4.
INJ94 & CPL94B
INJECTOR & COUPLER
+12 V
IR
RCVR
TV INPUT
INJ94 INJECTOR
Fig.2 CPL94B Coupler
EMITTER
REMOTE TV
SAT/VCR
CPL94B COUPLER
EMITTER
Fig.1 INJ94 Injector

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2
ADVANCED MULTIROOM SYSTEMS
Fig. 4 illustrates an advanced system using a variety of connection and control techniques typical of
complex multiroom installations. It is configured as follows:
1. Both INJ94 Injectors and CPL10 Couplers are used in the remote rooms with various Xantech IR
Receivers.
As a rule of thumb, use the CPL10 with the CB12 Connecting Block when using Xantech 3-terminal
IR receivers or keypads, such as the 480-00 Dinky Link, 730-00 Smart Pad, etc. Use the INJ94 when
using Xantech IR receivers equipped with a 3.5mm quick-connect stereo mini plug, such as the 291-
00 Hidden Link and the 490-30 Micro Link.
2. Each IR receiver must be locally powered by a 781RG Power Supply as shown.
3. IR RCVR jack connections for the INJ94.Should you wish to make your own
custom connections to a mating 3.5mm stereo mini plug for this jack, follow the
terminal identifications given in the table, Fig.5.
4. Note that model 203-00 DC Blockers are used on the two coax leads going to
the two TV sets in the rooms
not having IR receivers. This is a must to prevent
the RF inputs on the two TV sets from "shorting out" the IR control signal.
5. If an RF amplifier(s) is used anywhere in the line of coaxial cable between the CPL94B Coupler and
the INJ94 or CPL10 Injectors, you
must use a Xantech BYPASS94 KIT to route the IR control signals
around the amplifier(s).
Where possible, place RF amplifiers ahead of the CPL94B Coupler, as shown in Fig. 4, instead of
using a bypass kit.
6. Fig. 4 shows four components being controlled using two 286-00 dual emitters. This is the maximum
number of components controllable with the CPL94B. If you wish to control more, use the CPL10
Fig. 3 A Typical 3-Room System
MAIN ROOM
RF IN OUT TO TV
RF IN OUT TO TV
TV SIGNAL PATH
IR REMOTE CONTROL PATH
Hand Held
Remote
REMOTE ROOM 2
RF IN
2ND
TV
Hand Held
Remote
REMOTE ROOM 1
RF IN
3RD
TV
Satellite Dish
286M Dual Blink-IR™
Mouse Emitter Assembly
Coaxial Cable
Place emitters on
the IR sensor
window on front
panel of each
controlled unit.
Emitter
SATELLITE
RECEIVER
(Back Panel)
VCR
(Back Panel)
Emitter
IR Sensor Windows
(Front Panel)
Coaxial Cable
Coaxial Cable
Coaxial Cable
Coaxial Cable
Room-to-Room Coaxial Cables
200-00
2-Way RF Splitter
DC Passing
Coaxial Cable
To 120 V AC
(unswitched)
291-00
IR RECEIVER
Coaxial Cable
INJ94 INJECTOR
781RG
Power Supply
Local
TV
RF IN
Coaxial
Cable
CPL94B
COUPLER
(included)
200-00
2-Way
RF Splitter
Spare jack
for additional
emitter(s),
if needed.
+12 V
IR
RCVR
TV INPUT
INJ94 INJECTOR
+12 V
IR
RCVR
TV INPUT
INJ94 INJECTOR
EMITTER
REMOTE TV
SAT/VCR
CPL94B COUPLER
EMITTER
IN
OUT
OUT
IN
OUT
OUT
To 120 V AC
(unswitched)
781RG
Power Supply
291-00
IR RECEIVER
INJ94 INJECTOR
CIRCUIT ITEM
GROUND
SIGNAL
+ 12 V
PLUG
RING
TIP
SLEEVE
Fig.5
INJ94/CPL94

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Accessories
TV
Two Remote Rooms
not configured
with IR receivers.
(See item 4, pg 4).
480-00
CPL94B
Coupler
(1 location)
202-00
4-way RF Splitters
DC Passing
RF
AMP
Satellite Receiver Laser Disc Player VCR Cable Box
2512
2-way
Combiner
Modulator
(3-Input)
A/V Patch
Cords
INJ94
Injectors (3)
TV TV
TV TV TV TV
TV
CB12 CB12 CB12
200-00
2-way RF splitter
DC Passing
291-80
480-00 480-00
291-10 490-30
781RG
Power
Supplies (6)
CPL10
Couplers (3)
Six Remote Rooms, each configured with IR receivers.
203-00
DC Blockers (2).
(See item 4, pg 4).
RF Signal
IR Signal
286M
Dual Blink-IR™
Mouse Emitter Assembly
286M
Dual Blink-IR™
Mouse Emitter
Assembly
EMITTER
REMOTE TV
SAT/VCR
CPL94B COUPLER
EMITTER
+12 V
IR
RCVR
TV INPUT
INJ94
+12 V
IR
RCVR
TV INPUT
INJ94
+12 V
IR
RCVR
TV INPUT
INJ94
IR
RF RF/IR
CPL10
IR
RF RF/IR
CPL10
IR
RF RF/IR
CPL10
IN OUT
Fig. 4 Advanced Multiroom System
instead, along with a suitable connect-
ing block, such as the 789-44 or 791-44.
See the CPL10 installation instructions
for details.
7. For information on how to connect and
configure modulators and RF amplifi-
ers, refer to ChannelPlus®technical in-
formation.
TROUBLE SHOOTING
1. Perhaps the most common problem is
stray IR or RF interference entering IR
receivers, preventing proper operation
of the controlled equipment.
Examples of such interference are:
• Fluorescent, Compact Fluorescent,
Neon or Halogen lights, Neon Art, or
light dimmers.
• Direct or reflected sunlight.
• Infrared security sensors (active type).
• RF radiation from TV sets that may be
close to IR Receivers.
It may be necessary to move either the
interfering source or the IR receiver to
achieve proper operation. Sometimes
the Xantech Sun Filters will help.
2. If the IR receivers must operate in the
vicinity of electronically ballasted Com-
pact Fluorescent lamps or sunlight con-
ditions, use Xantech models 291-80 or
780-80 IR receivers. These are specifi-
cally designed to reject most of this type
ofinterference.
3. Check for shorts or opens anywhere
between the IR receivers in the remote
rooms and the emitters at the controlled
equipment.
•Remember, you must have DC conti-
nuity all the way from the IR (IR RCVR)
jacks on the Injectors, through the coax
cables to the IR (emitter) jack on the coupler, without shorts to ground.
• Use a Xantech Test-IRTM plugged into the IR (emitter) jack on the coupler to verify that the IR
signal is being received from each room.
• If necessary, use a multimeter in the low Ohms range to check for continuity, shorts, opens, etc.
• Check for open emitters by substituting a known good emitter.
4. If a given component still does not work, reposition the emitter. It may not be located directly over the
component’s IR (infrared) receiving "window". Consult the owner's manual of the unit or the
manufacturer for the exact location of the infrared "window".
12-7-00
Rev.C INJ94/CPL94