Pdf Cpl94B Installation Guide CPL/INJ Instructions Spec User Manual

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08900870C

ADVANCED MULTIROOM SYSTEMS
(cont'd)
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, below:

INSTALLATION INSTRUCTIONS, INJ94 & CPL94
XANTECH P/N 08900870C
INK: BLACK
MATERIAL: 20 LB. MEAD BOND
SIZE: 5.500" WIDE X 8.500" HIGH

Fig. 5

PLUG

CIRCUIT ITEM

RING

GROUND

TIP

SIGNAL

SLEEVE

+ 12 V

TROUBLE SHOOTING
A. 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.

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.

B. If the IR receivers must operate in the
vicinity of electronically ballasted Compact
Fluorescent lamps or sunlight conditions,
use Xantech models 291-80 or 780-80 IR
receivers. These are specifically designed
to reject most of this type of interference.

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).

C. 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
continuity 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-IR 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.

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 286M dual emitters.
This is the maximum number of
components controllable with the CPL94B.
If you wish to control more, use the CPL10
instead, along with a suitable connecting
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 amplifiers,
refer to Channel Plus ® technical
information.
Pg 4

D. 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".


08900870 rev. C

Xantech Corporation •12950 Bradley Avenue • Sylmar CA 91342 • (818) 362-0353 • www.xantech.com • PRINTED IN CHINA

12-7-00

INSTALLATION INSTRUCTIONS

INJ94

MODELS
INJECTOR & CPL94B COUPLER

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.

INPUT

TV
INJ94 INJECTOR

IR
RCVR

+12 V

Fig. 1 INJ94 Injector
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.

SAT/VCR

REMOTE TV

CPL94B COUPLER

EMITTER

EMITTER

Fig. 2 CPL94B Coupler
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).


Pg 1

8.50"

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11.00"

IR

IR
RCVR

TV

RF

IR

IR
RCVR

TV

RF

INJ94
INPUT

+12 V

RF/IR

INPUT

RF/IR

+12 V

CPL10

INJ94

CPL10

INPUT

EMITTER

Coupler
(1 location)

REMOTE TV

CPL94B

To 120 V AC
(unswitched)

EMITTER

781RG

Power Supply

CPL94B COUPLER

2-way RF splitter
DC Passing

To 120 V AC
(unswitched)

REMOTE ROOM 1

8.50"

200-00

RF Signal
IR Signal

OUT

RF
AMP

IN

CPL94B
COUPLER

IN

Coaxial
Cable

(Back Panel)

(included)

200-00

Mouse Emitter Assembly
SAT/VCR

(Front Panel)

REMOTE TV

2-Way RF Splitter
DC Passing

CPL94B COUPLER

Emitter

200-00

EMITTER

EMITTER

Coaxial Cable

286M Dual Blink-IR™
Mouse Emitter Assembly

2-Way
RF Splitter

VCR

Spare jack
for additional
emitter(s),
if needed.

OUT

(Back Panel)

OUT

Place emitters on
the IR sensor
window on front
panel of each
controlled unit.

OUT

SATELLITE
RECEIVER

IR Sensor Windows

OUT TO TV

203-00
DC Blockers (2).
(See item 4, pg 4).

Power Supply

286M Dual Blink-IR™

RF IN

202-00
4-way RF Splitters
DC Passing

Room-to-Room Coaxial Cables

Emitter

Coaxial Cable

Couplers (3)

INPUT

Coaxial Cable

Coaxial Cable

OUT TO TV

CPL10

INJ94
Injectors (3)

+12 V

RF IN

781RG

RF IN

+12 V

3RD
TV

RF IN

REMOTE ROOM 2

TV

TV

INJ94 INJECTOR

IR
RCVR

+12 V

Coaxial Cable

INJ94

2ND
TV

IR
RCVR

TV

Hand Held
Remote

INJ94 INJECTOR

490-30

INJ94 INJECTOR

IR RECEIVER

INPUT

IR
RCVR

TV

TV

Hand Held
Remote

RF/IR

TV

CPL10

291-00

INJ94 INJECTOR

TV

291-10

TV
IR

291-00

TV

291-80

TV

480-00

Power
Supplies (6)

IR REMOTE CONTROL PATH

IR RECEIVER

480-00

Two Remote Rooms
not configured
with IR receivers.
(See item 4, pg 4).

781RG

TV SIGNAL PATH

Satellite Dish

TV

RF

2. When configuring multiple rooms, be sure
the RF splitters used are DC passing
types, such as Xantech Models 200-00
(2-way) and 202-00 (4-way). Refer to
Figs. 3 and 4.

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.

480-00

SAT/VCR

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.

Six Remote Rooms, each configured with IR receivers.

CB12

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:

CB12

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:

CB12

Page 2 of 2
08900870C

IN
OUT

Coaxial Cable

2512
2-way
Combiner

Modulator
(3-Input)
RF IN

286M
Dual Blink-IR™
Mouse Emitter
Assembly

A/V Patch
Cords

Local
TV

Coaxial Cable

MAIN ROOM

Satellite Receiver

Cable Box

Fig. 4 Advanced Multiroom System

Fig. 3 A Typical 3-Room System
Pg 2

VCR

Laser Disc Player



08900870 rev. C

12-7-00



Pg 3