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TWISTED PAIR FORMAT-A 

 

 
 
 
 
 
 
 
 
 
 

Models D-TPSL1A, DS-TPSL1A, DB-TPSL1A 
Active Single-Pair Sender 
Mini-Jack & Stereo RCA In 

 

 

Stereo Audio Input Combined to Mono Output 

 

Input on Dual RCA Jacks or Mini-Jack 

 

Switch Selects which RJ45 Pair (A, B or C) is Fed 

 

Remote Powering through Twisted Pair Cable 

 

Signal and Power Pair Pass-Through between TP CABLE RJ45 Jacks 

 

 

Fused Local Power Feeds all Connected Modules 

 

Local Power Input on Terminal Block 

 

Blue LED Indicates Module is Powered 

 

Daisy-Chain with Single-Pair or Two-Pair Format-A Senders 

 

Studio-Quality Precision Active Balanced Circuitry

 
 

The D SERIES-TPSL1A modules are single pair audio sending modules compatible with RDL Format-A twisted pair products. These 
modules are designed to be mounted in wall boxes, cabinets or other enclosures that allow users to connect audio sources.  

 

APPLICATION:

  

The –TPSL1A modules feature a stereo line input through a mini jack or two RCA phono jacks summed 

to mono. The unbalanced inputs are designed to receive standard -10 dBV consumer level signals. These modules drive 
only one cable pair, therefore they accept signals and power from other mic-level or line-level Format-A senders. Two other 
single-pair senders may be chained with the -TPSL1A, 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 power pair and all three audio pairs 
are fed through both rear-panel RJ45 jacks. 
 
The -TPSL1A may be powered directly from a 24 Vdc power supply using the rear-panel detachable terminal block. Local 
power connected to the module is also fed to all connected remote modules. The -TPSL1A 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-A features superior audio performance that rivals or exceeds shielded wiring. Design simplicity, ease of 
installation, unsurpassed flexibility, automatic fused power, exceptional hum rejection, low noise, and low distortion provide 
designers and installers the optimum choice in economical twisted pair products. 

 

 

 

RDL   

   659 6

th

 St.   

   Prescott, AZ., USA 86301   

   (928) 443-9391   

   FAX (928) 443-9392   

   

www.rdlnet.com

D-TPSL1A 

   DS-TPSL1A 

    DB-TPSL1A 

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