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1
. PRODUCT DESCRIPTION
2. OPEN RECEIVER
WARNING: THIS
PRODUCT SHOULD NOT
BE USED IN LIFE
Linear’s Xtended Range FM receivers and transmitters are designed for use in various
wireless remote control applications. The Model XR-D serial data output receiver is used for
specialty O.E.M. data acquisition and processing systems. When the Model XR-D receiver
detects a signal from its companion transmitter(s), it will output 9600 baud ASCII serial data
through its RS-232 style interface in “real-time” (no buffering) as the transmitted data is
received.
XR-D
SAFETY APPLICATIONS.
FCC Rules allow
unlicensed high-power
transmissions at or near
the operating frequency
of this product which
may interfere with, or
even disable, normal
operation of this radio
device.
XTENDED RANGE
SERIAL DATA
OUTPUT
REMOVE FOUR
CASE SCREWS AND
SLIDE OUT CIRCUIT
BOARD
The XR-D receiver’s serial data output contains all of the information that can be sent from
any type of Linear’s Xtended Range transmitters. In a typical installation, the receiver’s output
terminals would be connected to a computer through a user supplied custom made cable.
The computer would run user supplied software written to suit the needs of the application.
It could display and log the transmitted unit number, channel number, bank number, alarm
state, battery condition, status reports, and transmitter type. Alternately, the XR-D could be
connected directly to a line printer for specialty or diagnostic purposes.
SUPERVISED
STATIONARY
RECEIVER
Power for the XR-D receiver can come from an external regulated 12 VDC power supply
(Linear Model T-124DC) or from a 12-volt battery. A diode protects the unit from reverse
power polarity. The XR-D draws about 30 mA current.
For Use With Linear’s
XR Series Xtended
Range Transmitters
REFERENCE
CARD FITS IN
1ST SLOT
Two antennas (sold separately) are available for the XR-D. The Model ANT-1A is an 8-inch
“rubber duck” antenna for short range applications (less than 1 mile). The ANT-1A requires
a CON-180A (straight) connector to mate the antenna to the transmitter. For a right angle
antenna, use the CON-180A plus the CON-90A.The Model ANT-2 is a 3-foot whip antenna
for use in long range or difficult installations where more range from the XR-D is required. A
common 9-foot 1/4 wave CB whip antenna can also be used with the XR-D for maximum
range.
Installation
Instructions
BOARD FITS IN
3RD SLOT UP
The receiver is housed in a rugged weather-resistant metal enclosure with a sturdy SO-239
antenna connectorandawater-tightwiringstrainreliefbushing.Twoindicatorsarevisiblethrough
a window on the case. The green power indicator lights when the receiver has power. During
reception, the red RF indicator lights. A two-position single-packet option jumper allows selection
of one round of only new data for each transmission or all data sent for each transmission. Two
internal test points are provided for signal strength and audio monitoring.
END CAP STAYS
ATTACHED TO
THE CIRCUIT
BOARD
CASE SCREWS
(760) 438-7000 • FAX (760) 438-7043
Data Specification:
Baud Rate: 9600
Stop Bits: 1
USA & Canada (800) 421-1587 & (800) 392-0123
Toll Free FAX (800) 468-1340
www.linearcorp.com
Parity: None
3
. COMPONENT LOCATIONS
SINGLE-PACKET OPTION JUMPER
4. INSTALLATION TIPS
5. MOUNT RECEIVER CASE
If using the ANT-1A antenna: For best range mount the XT/XR unit to a metal plate with a
minimum size of 12" x 12". The ANT-1A antenna should extend above the mounting plate
and be free of obstructions. If the ANT-1A antenna cannot be mounted in the open, consider
using an extension coaxial cable with PL-259 connectors to move the antenna’s location.
ANTENNA
(
USE AS SHOWN FOR NEW DATA ONLY PACKET
PER TRANSMISSION, PLACE ON
OTHER PINS FOR ALL PACKETS
FOR EACH TRANSMISSION)
CONNECTOR
3-FOOT
ANT-2
ANTENNA
USE ANT-1A ANTENNA FOR
SHORT RANGE APPLICATIONS
(LESS THAN 1 MILE)
(HIDDEN)
The XT/XR series of radios operate in the 27 MHz Citizens Band (CB) and may use any CB
antennas or CB antenna accessories. Antennas, PL-259 extension cables and other adapters
are available at Radio Shack® or other electronics stores.
RIGHT ANGLE
CONNECTOR
(CON-90A)
UNIVERSAL
MOUNTING BRACKET
TEST
BUTTON
8
ANT-1A
ANTENNA
-INCH
18-FOOT CABLE
RF SIGNAL
INDICATOR
RED)
STRAIGHT-THRU
CONNECTOR
USE ANT-2 ANTENNA FOR MAXIMUM
RANGE OR DIFFICULT APPLICATIONS
MOUNT UNIT WITH
TWO BOTTOM SCREWS
(CON-180A)
(
(
SCREWS UNTIL WIRING
IS COMPLETE)
DON'T INSTALL TOP
GOOD INSTALLATION
BAD INSTALLATION
LINE-OF-SIGHT
BETWEEN THE
TRANSMITTER AND
RECEIVER ANTENNAS
WILL PROVIDE THE
BEST RANGE
ANTENNAS ARE MOUNTED
VERTICALLY, ON HIGH POINTS
OF BUILDINGS
TRANSMITTING THROUGH
STRUCTURES, METAL AND
GEOGRAPHIC OBSTACLES WILL
REDUCE RADIO RANGE
MOUNT ANTENNA AS HIGH AS POSSIBLE
GOOD ANTENNAS NEED GOOD GROUNDS
METAL ROOF
OK
UNIT SHOULD BE
POWER
INDICATOR
FAIR
MOUNTED IN SHELTERED
LOCATION WITH ACCESS
TO ANTENNA CO-AX AND
POWER/SIGNAL WIRES
3'
(GREEN)
SIGNAL GROUND
LEVEL
9
FEET
POOR
AUDIO
OUTPUT
AT LEAST 9 FEET
ABOVE GROUND IS
RECOMMENDED
WHEN MOUNTING ON
THE SIDE OF A
STRUCTURE, USE A
MINIMUM OF A 3-FOOT
SPACER TO DISTANCE
THE ANTENNA FROM
THE STRUCTURE
IDEALLY, A GROUND
PLANE WITH A RADIUS
OF NINE FEET MINIMUM
IS DESIRED
TEST POINTS
POWER & DATA OUTPUT
TERMINAL BLOCK
ANTENNA LOCATION IS
OF PRIMARY CONCERN
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