XT-1: 1-Channel Stationary Mid-range Transmitter

The Nortek Security & Control Family of Brands

The Model XT-1 1-Channel Stationary Mid-range Transmitter is designed for use in various wireless remote control applications. When triggered with an external switch, the Model XT-1 transmitter will send a 10 watt, 27.255 MHz, digital encoded, FSK modulated, signal to its companion receiver. The receiver will verify the digital code, activate its output, and trigger the remote device.

The XT-1 transmitter has full supervision capabilities. If the status option is selected, the XT-1 sends hourly status signals to its receiver. If these signals cease, the receiver will indicate trouble by activating its status output after four hours. Contact supervision allows the receiver’s output to follow the transmitter’s input, staying activated as long as the transmitter input is activated. Alternately, an auto-restore option can be selected, causing a momentary receiver output each time the transmitter is activated. Either a N/O or N/C input (jumper selectable) can trigger the transmitter.

Power for the XT-1 transmitter can come from an external regulated 12 VDC, 2-Amp power supply (Linear Model T-1224DC) or from a 12-volt battery. A 3-amp fuse protects the unit from reverse power polarity. The XT-1 draws about 15 µA standby, and about two amps during transmissions. If the power supply voltage drops below 10.5 volts, a low battery message will be included with any signal transmitted, causing the receiver’s low battery output to activate.

Two antennas (sold separately) are available for the XT-1. The Model ANT-1A is an 7-inch rubber duck antenna for short range applications (less than 1 mile). The ANT-1A is supplied with a CON-180A (straight) connector to mate the antenna to the transmitter. For a right angle antenna mounting, use a CON-90A right-angle connector with the CON-180A. The Model ANT-2 is a 3-foot whip antenna for use in long range or difficult installations where more range from the XT-1 is required. A common 9-foot 1/4 wave CB whip antenna can also be used with the XT-1 for maximum range.

Two 8-position switches set the unit’s system code. This code must be matched in the XT-1’s receiver. There are 65,536 different system codes possible. The 6-position option switch selects the transmitter’s channel, receiver’s bank (for XR-16 receiver only), and options for status and auto-restore transmissions.

The transmitter is housed in a rugged weather-resistant metal enclosure with a sturdy SO-239 antenna connector and a water-tight wiring strain relief bushing. During transmissions, the red operation indicator (visible through a window on the case) lights. If the XT-1’s input voltage is low, the indicator will blink during transmissions.

Features

  • Up to 10 miles of line-of-sight range
  • RF transmit LED
  • Accepts N/O or N/C inputs
  • Complete RF supervision, field enabled
  • Fully supervised (loop status, low battery, link integrity)
  • Weather-Resistant Case
  • Antenna (ANT-1A or ANT-2) not included
  • Power: 12 VDC
  • Codes: Over 64,000
  • RF frequency: 27.255 MHz
  • Dimensions: 4.25″ W x 6.25″ H x 2.5″ D

Order number: SST00083

XT-1
Operating Temperature: -4° to +140° F (-20° to +60° C)
Operating Frequency: 27.255 MHz
Bandwidth: 6 KHz
Number of Codes: 65,536
Code Setting Method: DIP switch programming
Operating Voltage: 12 to 15 VDC (power source not supplied)
Operating Current: Standby – 15 µA, transmitting -2.0 Amps at 12 VDC
Weight: 1.0 lbs. (0.454 Kg)
Housing: black, weather-resistant, anodized aluminum enclosure with removable end caps to provide wiring and programming access; end caps secured with screws
RF Output Power: 10 Watts typical
Loop Response Time: 500 msec
Code Transmissions: Alarm, restore, status, and low battery
Status Report Time Frame: 70 minutes
Transmit Time: 1 second
Antenna Impedance: 50 Ohms (antenna not supplied; see ANT-1, ANT-2)
Dimensions: 4.25″ W x 6.25″ H x 2.5″ D (108 x 159 x 64 mm)
Accessories for use with the XT-1
Model Description
ANT-1A ANT-1A: 7-inch Mid-range Antenna
ANT-2 3-foot Mid-range Antenna
CON-90A Right Angle Antenna Connector
T-1224DC Power Supply 12 VDC @ 2 Amps
Models compatible with the XT-1
Model Description
XR-1 1-Channel Mid-range Receiver
XR-4 4-Channel Mid-range Receiver
XR-16 16-Channel Mid-range Receiver

Installation Manual
Literature

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