AJA RD20DA Dual Channel SDI Distribution Amplifier User Manual - R-series Card Module Guide

Summary

This dual-channel SDI Distribution Amplifier (DA) module is engineered for high-reliability video signal distribution in professional broadcast environments. It provides re-clocking and equalization for multi-standard SDI signals (143/177/270/360 Mb), enabling connectivity over long cable runs up to 300 meters. The companion manual serves as a comprehensive guide for installation, system integration, I/O assignments, and operation, making it essential reading for video engineers, broadcast technicians, and facilities professionals requiring robust signal management solutions.

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www.aja.com

RD20DA Dual Channel SDI Distribution Amplifier R-series Card Module

Published: 6/30/10

Installation and Operation

Guide

Page Summary Contents For AJA RD20DA Dual Channel SDI Distribution Amplifier User Manual - R-series Card Module Guide

Page 1 www.aja.com RD20DA Dual Channel SDI Distribution Amplifier R-series Card Module Published: 6/30/10 Installation and Operation Guide

Page 2 Trademarks AJA , KONA , Ki Pro®, and XENA are registered trademarks of AJA Video, Inc. Fi DO™, Io HD and Io are trademarks of AJA Video, Inc. HDMI, the HDMI logo and High-Definition Multimedia Interfa...

Page 3 AJA RD20DA Dual Channel SDI DA User Manual Introduction The RD20DA is a multi-standard, 2-channel, 1x4 and 1x3 SDI Distribution Amplifier. The SDI input is re-clocked and equalized to 300 meters of ca...

Page 4 I/O Connections CH 2 CH 1 CH 1 CH 2 Out 1 Out 3 SDI In Out 1 CH 1 J1 Out 3 Out 1 J2 CH 1 J3 Out 2 CH 1 Out 3 CH 1 J5 Out 4 J9 J7 J5 J3 SDI In CH 2 J1 Out 1 J6 CH 2 J7 Out 2 Out 3 CH 2 Out 2 J8 CH 1 SD...

Page 5 AJA RD20DA Dual Channel SDI DA User Manual Specifications Item Specification Inputs 2 Separate SDI (SMPTE 259M), BNC 143, 177, 270, 360 Mb, auto select Outputs Ch 1: 4 SDI (SMPTE 259M) Ch 2: 3 SDI (SM...

Page 6 Appendix A: Safety & Compliance Federal Communications Commission (FCC) Compliance Notices Class A This equipment has been tested and found to comply with the limits for a Class A digital device, ...

Page 7 AJA RD20DA Dual Channel SDI DA User Manual Declaration of Marking by this symbol indicates compliance with the Essential Requirements of the EMC Directive of the European Union 2004/108/EC. Conformity...

Page 8 Taiwan Compliance Statement This is a Class A product based on the standard of the Bureau of Standards, Metrology and Inspection (BSMI) CNS 13438, Class A. Japanese Compliance Statement 1. Class A ITE...

Page 9 AJA RD20DA Dual Channel SDI DA User Manual Warning! Do not use this device near water and clean only with a dry cloth. Avertissement! N'utilisez pas cet appareil près de l'eau et nettoyez-le seulement...

Page 10 Warnung! Das Gerät sollte nur von qualifizierten Fachkräften gewartet werden. Eine Wartung ist fällig, wenn das Gerät in irgendeiner Weise beschädigt wurde, wie bei beschädigtem Netzkabel oder Netzste...

Page 11 AJA RD20DA Dual Channel SDI DA User Manual Warning! Ensure Mains Power is disconnected before installing the FR1 or FR2 frame R-series modules into the frame, or installing and removing options. If a ...

Manual Details

Brand	Dual
Pages	12
File Size	629.16 KB
Published	June 06, 2026

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Frequently Asked Questions

What is the maximum supported SDI cable length?

The SDI input is re-clocked and equalized to 300 meters of cable.

How does the RD20DA adapter handle different standards?

It has a multi-standard feature that automatically adapts to 143, 177, 270, or 360 Mb SDI inputs.

What is required when servicing equipment with an FR2 unit?

Users must disconnect both power cords before conducting any maintenance work to reduce the risk of electric shock.