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Linear DXS Supervised Receiver, 4-Channel


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Product Description

There are a lot of reasons to add wireless functions to a hardwire security panel. With Linear's DXSR 1500 series receivers, there are also plenty of incentives.

What makes DXSR 1500 series receivers so advantageous is dual diversity superheterodyne technology that makes possible a measured line-of-sight range of up to 1,500 feet. Detached garages, pool houses, and other outbuildings that were previously hard or impossible to protect are now easily tied in using Linear's wireless sensors. Remote controls and panic button functions can be added via Linear personal transmitters in any style. Collectively, our DX and DXS series represents industry's most extensive line – there are 39 models to choose from, including pendants, keyrings, handhelds, wristbands, door/windows, PIRs, smokes, glass breaks, and bill traps.

Configuring new wireless security loops is simple, thanks to quick-learn programming, a 7-segment channel display, and the per-channel flexibility of selectable supervision and custom output options. The channel display lights a flashing center dash in Power On and Standby conditions, a channel ID during an Alarm condition, and a decimal point to signal RF activity. Additional outputs include per-channel Alarm, common Low Battery, and common Status, with LED indicators for each. The DXSR 1500 series even comes in a choice of capacities and frequencies: 4-channel models for the United States (315 MHz) or Europe (433.92 MHz).

Tech Specs

  • Receiver Type: Diversity, dual superheterodyne
  • Carrier Frequency: 315 MHz
  • Bandwidth: 400 KHz typical
  • Receiver Sensitivity: -102 dBm typical at each antenna
  • Data Formats: Linear DX and DXS
  • Modulation: Type A1D, PPM (pulse position modulation)
  • Measured Range: 1,500 feet typical, with most standard Linear DX or DXS stationary transmitters
  • Transmitter Capacity: 32 total with any distribution between channels (Note: learning multiple transmitters into any channel will defeat device supervision)


  • DXSR-1504: 4-Channel alarm outputs, one common low battery output, and one common status output
  • Type: Open collector
  • Mode: Factory set to normally open; can be globally selected as normally closed by internal jumper
  • Current Rating: 100 mA maximum per output point


  • Momentary: 1-second minimum, momentary closure on alarm
  • Toggle: Alternate alarm action (toggle on, toggle off)
  • Latch: Requires manual reset at receiver, or operates as a follower with door/window transmitters; latches "on" with open (alarm) condition; latches "off" with closed (restore) condition


  • Channel Display: One 7-segment LED indicator; displays flashing center dash in power on an standby; displays channel ID during alarm condition along with alarm condition LED; automatically clears when alarm output restores; displays "P" and channel ID during programming mode
  • RF Activity: Indicated by decimal point on 7-segment display; indicates radio receiver activity; flashes with received data
  • Alarm Condition: Three LED indicators – alarm, low battery, and status; displays conditions with corresponding channel ID
  • Operating Voltage: 10.2 to 14.4 VDC or 12 to 16 VAC


  • Standby: 30 mA
  • Alarm: Up to 120 mA
  • Operating Temperature: 32° to 140° F (0° to 60° C)
  • Dimensions: 7.25" W x 5.0" H x 1.0" D (185 x 127 x 25.4 mm)
  • Space Required for Installation: 7.5" L x 14.0" H
  • Antenna: Two, 9-1/2" wire whip antennae (supplied)
  • Mounting Hardware: Four #6 x 1 1/4" wood screws (supplied)


  • Status Supervision: Monitored on each channel for hourly status transmissions, reports status exception if no transmissions received within last 8-hour time period; one common status output provided for all channels; 7-segment display indicates channel where violation occurred; exception set and cleared by channel
  • Enable Options: Status supervision enabled per channel; status enabled by cutting proper jumper per channel; factory default disabled; Note: with status supervision monitoring, it is not recommended to have more than one transmitter learned per channel
  • Low Battery Supervision: Monitors each transmitter for low battery alarm; reports if any learned transmitter low battery signal received; one common low battery output for all transmitters; 7-segment display indicates channel where low battery occurred; low battery set and cleared by individual transmitters; transmitter that sends low battery report must send a good battery signal to clear low battery condition
  • Program Mode: Enabled by program jumper; remove to enter program mode
  • Transmitter Learn: Momentary press and release desired channel learn button; activate transmitter with five seconds to learn it into desired channel
  • Memory Erase: Hold appropriate channel learn button for more than 10 seconds and release; transmitters learned into that channel will be erased from receiver memory
  • Memory Interrogation: Hold appropriate channel learn button for more than five and less than 10 seconds; alarm LED will flash the number of transmitters learned into selected channels