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Radio Design Labs D-TPS7A
Passive Single-Pair Sender


The -TPS7A is a single-pair audio sending module compatible with RDL® Format-A twisted pair products.
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Radio Design Labs D-TPS7A
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The -TPS7A is a single-pair audio sending module compatible with RDL® Format-A twisted pair products. The front panel features a single stereo mini-jack intended for stereo consumer line level audio sources. A studio-quality transformer provides isolation between the audio source and the RJ45 TP CABLE.

The -TPS7A is a single-pair sender, feeding the input signal to the cable pair set on the rear-panel switch during installation. This module drives only one cable pair, therefore a TP CABLE RJ45 jack is provided to accept signals and power from other mic-level or line-level Format-A senders. Two other single-pair senders may be chained to a TP CABLE jack, or a single two-pair sender may be connected. If three single-pair senders are connected together, each sender must feed a different pair: A, B or C. The -TPS7A must be set to feed pair A if it is connected together with an RDL two-pair sender that feeds stereo audio on pairs B and C.

The -TPS7A is a passive module that does not require power to operate. If power is present on a cable connected to a TP CABLE jack, that power is passed through to the modules connected to the other TP CABLE jack.

Radio Design Labs D-TPS7A Features:

  • Stereo Audio Input Combined to Mono Output
  • Input on Mini-jack
  • Switch Selects which RJ45 Pair (A, B or C) is Fed
  • Signal and Power Pair Pass-Through between TP CABLERJ45 Jacks
  • Passive Circuitry Does Not Require Power
  • Galvanic Isolation through a Studio-Quality Transformer
  • Daisy-Chain with Single-Pair or Two-Pair Format-A Senders

Radio Design Labs D-TPS7A Specifications:

  • Input: 3.5mm mini-jack, unbalanced stereo combined tomono
  • Input Level: -10 dBV, +22 dBu max
  • Format-A Signal Pair Used: Switch-selectable A, B, or C(rear-panel switch)
  • Format-A Input: RJ45 TP CABLE
  • Ouput: RJ45 TP CABLE, RDL TP Format-A
  • Frequency Response: 20 Hz to 20 kHz (±0.5 dB)
  • THD: < 0.1% (50 Hz to 20 kHz); <0.001% (1 kHztyp)
  • Power Requirement: Passive
  • Dimensions (WxHxD): 1.6" x 4.11" x 1.89" (4.06 cm x 10.45 cm x 4.8 cm)

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