RDL TX-TPR1A Manual

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TX™ SERIES TWISTED PAIR

Model TX-TPR1A

Format-A Single-Pair Receiver

 Single -10 dBV Unbalanced or +4 dBu Balanced Output

 Phono Jack and Detachable Terminal Block Outputs

 Switch Selects which Pair (A, B or C) Feeds the Output

 Signal and Power Pair Pass-Through to LOOP OUT Jack

 Powered Locally or Remotely through RJ45 Jack

 Fused Local Power Feeds all Modules Connected to RJ45s

 Local Power Input on Terminal Block or dc Power Jack

 Blue LED Indicates Module is Powered

 Daisy-Chain with Additional Format-A Receivers

 Studio-Quality Precision Active Balanced Circuitry

The TX-TPR1A is a single-pair audio receiving module compatible with RDL Format-A twisted pair products. It is built in the versatile Max-TX

series enclosure. The durable adhesives provided with the TX-TPR1A permit permanent or removable mounting. The TX-TPR1A may be rack or

surface mounted with optional TX™ series accessories.

APPLICATION: The TX-TPR1A is a single-pair audio receiving module compatible with RDL Format-A

twisted pair products. A front-panel switch set during installation determines which of the three FORMAT-A

pairs is buffered to feed the module output. The audio signal received from the selected pair of the RJ45

INPUT jack feeds the -10 dBV unbalanced RCA phono jack output and the +4 dBu balanced detachable

terminal block output. A studio-quality buffer amplifier feeds the outputs at the correct operating level.

The TX-TPR1A is a single-pair receiver, bridging the input signal from the cable pair set on the front-panel

switch during installation. Because this module receives only one cable pair, a LOOP OUT RJ45 jack is

provided for connecting additional Format-A receivers. Two other single-pair receivers may be chained to

the LOOP OUT jack, or a single two-pair receiver may be connected. In addition to completing the

reception of signals from all three FORMAT-A pairs, additional receivers may be connected to the same

twisted pair feed. The bridging input circuits used in all FORMAT-A twisted pair receivers allow connection

of up to 10 receiver outputs for each cable pair. The possibility of multiple receiver locations adds

enormous flexibility in the design of audio routing systems using RDL FORMAT-A products. The power

pair and all three audio pairs are fed through from the INPUT jack to the LOOP OUT jack.

The TX-TPR1A may be powered directly from a 24 Vdc power supply using either the power jack or the

detachable terminal block. Local power connected to the module is also fed to all modules connected to

the INPUT and LOOP OUT RJ45 jacks. The TX-TPR1A 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

St.





Prescott, AZ., USA 86301





(928) 443-9391





FAX (928) 443-9392





www.rdlnet.com

STEP 1: Connect 24 Vdc to the POWER input (terminals or jack) if this module is not being powered through the twisted pair cable from

another module, or if this module is located an excessive distance from the next powered module on the cable. Note: The front-panel power

LED will be illuminated if this module is powered. If this module is powering other modules through the cable and if there is a wiring short,

the short must be cleared then power must be turned off to this module for 10 seconds to reset the internal protection circuit.

STEP 2: Set the PAIR selector so the module is receiving signal from the desired pair A, B or C of the Format-A cable.

STEP 3: Connect the UNBAL OUT jack to a -10 dBV equipment input, and/or connect the BAL OUT terminals to a +4 dBu equipment input.

STEP 4: Connect the INPUT twisted pair cable coming from Format-A senders or distributors.

STEP 5: Connect the LOOP OUT twisted pair cable feeding additional Format-A receiver(s), if any, and mount the module.

TX™ SERIES TWISTED PAIR

Model TX-TPR1A

Format-A Single-Pair Receiver

TYPICAL PERFORMANCE

Input: RDL TP Format-A

Input Connection: RJ45

Format-A Signal Pair Used: Switch-selectable A, B, or C

Format-A Output: RJ45 LOOP OUT

Outputs (2): 150 Ω Balanced; 1 kΩ Unbalanced

Output Connection: Detachable Terminal Block (Bal); RCA (Unbal)

Output Level: +4 dBu Bal., +22 dBu Max; -10 dBV Unbal

Frequency Response: 10 Hz to 50 kHz (+/- 0.1 dB).

THD+N: < 0.005%

Noise below +4 dBu: < 90 dB

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

Power Requirement: 24 Vdc @ 35 mA plus connected loads

Maximum Load Current: 165 mA

Dimensions: 3.17" (8.0 cm) W; 1.7 " (4.4 cm) H; 2.06" (5.23 cm) D 5 6 7

Installation/Operation

EN55103-1 E1-E5; EN55103-2 E1-E4

Typical Performance reflects product at publication time

exclusive of EMC data, if any, supplied with product.

Specifications are subject to change without notice.

Radio Design Labs Technical Support Centers

U.S.A. (800) 933-1780, (928) 778-3554; Fax: (928) 778-3506

Europe [NH Amsterdam] (++31) 20-6238 983; Fax: (++31) 20-6225-287

891-7065B

max

(1) + White / Green

(2) – Green

(3) + White / Orange

(4) – Blue

(5) + White / Blue

(6) – Orange

(7) + White / Brown

(8) – Brown

Pair A: Audio +4 dBu

Pair B: Audio +4 dBu

Pair C: Audio +4 dBu

Pair D: Power +24 Vdc

Tab on bottom of connector

RJ45 Standard wiring

RJ45 conductor colors shown are for 568A standard. The 568B standard may be used if the connectors at both ends of the cable are wired identically.

Produkt Specifikationer

Mærke:	RDL
Kategori:	Ikke kategoriseret
Model:	TX-TPR1A

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