Xantech 172-77 User Manual
INSTALLATION INSTRUCTIONS
172-77
XTRA LINK® 2
REMOTE CONTROL EXTENSION SYSTEM
The Xtra Link 2 system provides full remote control operation of a satellite receiver, cable box or VCR from
a second room by sharing the coaxial cable connecting your video equipment to this second room’s TV.
The 172-77 Xtra Link consists of the following supplied parts:
1. An infrared Receiver, Model 291-00. It is placed at the
remote room location to receive IR signals from the
handheld remote controller.
Front View Side View
2. One INJ77 Injector. This unit, located in the Remote
Room, injects the remote control signal into the roomto-room coaxial cable (along with the TV signal) and
passes it to the CPL77 Coupler in the Main room. It
also provides quick connection of the 291-00 IR Receiver and 781C-77 Power Supply cables.
IR RECEIVER
ANT INPUT
INJ77 INJECTOR
781C-77
Power Supply
+12 V
3. One CPL77 Coupler. Located in the Main Room, this
Coupler extracts the remote control signal from the
coaxial cable and passes it to the emitters that control
your source equipment. In addition, the CPL77 contains a 2-way RF splitter so that the TV signal can be
172-77 Xtra Link 2 System Parts
fed to a local TV.
4. One Dual IR Emitter, Model 284M. The emitters on this device allow control of two infrared remote
controlled audio/video components.
5. A 781C-77 Power supply. This plugs into an unswitched 220-240 VAC outlet to provide power to the
291-00 IR Receiver.
291-00 IR Receiver
TO TV
SIDE VIEW
EMITTER
LOCAL TV
CPL77 COUPLER
REMOTE TV
284M
Dual Mouse Emitter
SAT/VCR
SIDE VIEW
IR Receivers
CONNECTIONS
The Xtra Link system uses the coaxial cable that
carries the TV RF signal from the source equipment in the main room to the remote room, to
send the IR control signals back to the source
equipment. The coaxial cable may be up to one
mile in length.
If you already have a coaxial cable connecting
your video equipment with a remote room, your
current hookup should be similar to Fig. 1. If it
isn't, run a single length of RG59 or preferably
RG6 cable from the Main Room to the Remote
Room.
NOTE: If RF amplifier(s) are used anywhere in
the line of coaxial cable between the CPL77
Coupler and the INJ77 Injector, you must use a
Xantech BYPASS77 KIT to route the IR commands around the amplifier(s).
REMOTE ROOM
1ST
RF IN
TV
MAIN ROOM
RF IN
Room-to-Room Coaxial Cable
RF SPLITTER
2-Way
2ND
TV
Coaxial Cable
Fig. 1 Basic System Without Xtra Link
Satellite Dish
Coaxial Cable
SATELLITE RECEIVER
(Back Panel)
Coaxial Cable
VCR
(Back Panel)
OUT TO TV
RF INOUT TO TV
RF IN
1
When using more than one Xtra Link for more rooms, be sure the RF splitters you use are DC passing types,
such as Xantech part number 04027500 (2-way). Refer to Fig. 3.
INSTALLING THE 291-00 IR RECEIVER
Insert the cable mini plug attached to the 291-00 into the jack marked "IR RECEIVER" on the INJ77 Injector.
Refer to Fig. 2.
Plug the 781C-77 Power Supply cord into the jack marked "+12 V" on the INJ77 Injector. Plug the 781C77 into a 220 VAC unswitched outlet after you have made all other connections.
Position the 291-00 IR Receiver so that the infrared beam from the handheld remote control has a direct
view to the front of the unit (within 20 feet).
INSTALLING THE INJ77 INJECTOR
Insert the "TO TV" plug on the back of the INJ77 Injector into "RF IN" on the TV in the Remote Room.
Connect the room-to-room cable to "ANT INPUT" on the INJ77 Injector.
TV SIGNAL PATH
IR REMOTE CONTROL PATH
REMOTE
ROOM
IR RECEIVER
ANT INPUT
INJ77 INJECTOR
Front View
INJ77 INJECTOR
(included)
Power Supply (included)
1ST
RF IN
TV
MAIN ROOM
+12 V
781C77
Coaxial Cable
(not included)
RF IN
TO TV
Side View
To 220 V AC
(unswitched)
EMITTER
LOCAL TV
REMOTE
TV
CPL77 COUPLER
Front View Side View
CPL77 COUPLER
(included)
291-00
IR RECEIVER
(Included)
2ND
TV
Room-to-Room Coaxial Cable
(not included)
Place emitters on
the IR sensor
window on front
panel of each
controlled unit.
284M
Dual Mouse
Emitter Assembly
(included)
SAT/VCR
Hand Held
Remote
Satellite Dish
Emitter
SATELLITE
RECEIVER
(Back Panel)
IR Sensor Windows
(Front Panel)
Emitter
Coaxial Cable
(Back Panel)
(Not included)
VCR
Coaxial Cable
(not included)
OUT TO TV
RF INOUT TO TV
RF IN
Fig. 2 Basic Xtra Link Hookup
INSTALLING THE CPL77 COUPLER
Insert the "SAT/VCR" plug on the back of the CPL77 Coupler into "OUT TO TV" on VCR in the Main Room.
Connect the room-to-room cable to "REMOTE/TV" on the CPL77 Coupler.
Make the remaining connections from the CPL77 Coupler to the TV, the VCR to the satellite receiver, etc.,
as shown in Fig. 2.
2
172-77
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