Radio Design Labs TX-TPR3C
Active Three Pair Receiver, Format C


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List Price: $273.39
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The Radio Design Labs TX-TPR3C is a three-pair audio/video receiving module compatible with RDL Format-C twisted pair products. It is built in the versatile Max-TX series enclosure. The durable adhesives provided with the TX-TPR3C permit permanent or removable mounting. The TX-TPR3C may be rack- or surface-mounted with optional TX™ series accessories.

The TX-TPR3C features a BNC NTSC or PAL video output and two RCA audio outputs - one for the left channel and one for the right channel. The video signal received from pair A of the RJ45 INPUT jack feeds the BNC video output jack. A front-panel GAIN control is provided to recover any level loss over the twisted pair cable. An EQ control allows the installer to adjust the sharpness of the picture for high frequency losses in the cable. The audio signals received from pairs B and C of the twisted pair cable are buffered to drive the unbalanced RCA output jacks at the standard -10 dBV consumer level, and the balanced detachable terminal block outputs at +4 dBu.

The TX-TPR3C features bridging inputs, allowing it to be connected to the LOOP OUT jack of other receivers. The bridging input circuits used in the TX-TPR3C allow connection of up to 3 receivers from a single Format-C sender. The possibility of multiple receiver locations adds flexibility in the design of audio/video routing systems using RDL Format-C products.

The TX TPR3C may be powered directly from a 24 Vdc power supply using the detachable terminal block. Local power connected to the module is also fed to all connected remote modules. The TX-TPR3C may be remotely powered through the twisted pair cable from any other module, signal distributor or RDL power inserter connected to the same twisted pair cable. Module power is indicated by a front-panel LED. RDL Format-C provides quality balanced video transmission over long distances, and features audio performance that rivals or exceeds shielded wiring. Design simplicity, ease of installation, unsurpassed flexibility, automatically fused power, exceptional hum rejection, low noise, and low distortion provide designers and installers the optimum choice in economical twisted pair products.

Radio Design Labs TX-TPR3C Features:

  • Video and Stereo Audio Over Single Twisted Pair Cable
  • NTSC or PAL Video
  • -10 dBV Unbalanced or +4 dBu Balanced Audio Outputs
  • Phono Jack and Detachable Terminal Block Audio Outputs
  • Utilizes All Three Format-C Pairs
  • Powered Locally or Remotely through the RJ45 Jack
  • Local Power Feeds all Modules Connected to RJ45 Jacks
  • Wiring Fault Protection by Automatically Resetting Fuse
  • Local Power Input on Terminal Block or dc Power Jack
  • Blue LED Indicates Module is Powered
  • Active Balanced Transmission Over Twisted Pairs
  • Video From Pair A; L (left) From Pair B; R (Right) From Pair C

Radio Design Labs TX-TPR3C Specifications:

  • Input: RDL Format-C
  • Input Connection: RJ45
  • Format-C Signal Pairs Used (3): A, B, C
  • Outputs (5):
    • Video: 75 Ohm
    • Audio: 150 Ohm balanced (Left and Right)
    • 1k unbalanced (Left and Right)
  • Output Connection: Detachable Terminal Block (balanced); RCA (unbalanced); BNC (video)
  • Output Level:
    • Video: 1 V p-p
    • Audio +4 dBu balanced (+22 Max); -10 dBV unbalanced
  • Video Section
    • Video Format: NTSC or PAL
    • Video Bandwidth: 10 MHz
  • Audio Section
    • Frequency Response: 10 Hz to 50 kHz (±0.1 dB)
    • THD+N: < 0.005%
    • Noise below +4 dBu: < -90 dB
    • Crosstalk:
      • Audio:
        • < 90 dB (1 kHz)
        • < 75 dB (20 Hz to 20 kHz)
    • Audio/Video: Below noise floor
    • Headroom above +4 dBu: > 18 dB
    • CMRR: > 80 dB (50 Hz to 150 Hz)
    • Indicator: Power In
    • Power Connections (3):
      • Power Jack
      • Detachable Terminal Block
      • RJ45
    • Maximum Load Current: 145 mA at RJ45 Jack
    • Ambient Operating Environment: 0° C to 55° C
    • Power Requirement: 24 Vdc @ 55 mA plus connected loads
    • Dimensions: 3.0” (7.6 cm) W; 1.6” (4.08 cm) H; 2.09” (5.3 cm) D
    • Package Type: Cardboard Box
    • Package Dimensions: 2 x 2 x 4 in.
    • Shipping Weight: 0.515 lbs.
    • WEEE weight: 0.445 lbs.
    • Tariff code: 8517.18.0000
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