Key Digital Smart Baluns KD-BBRX, Smart Baluns KD-BBTX Operating Instructions Manual

521 East 3rd Street, Mount Vernon, NY 10553
Phone :: [phone] Fax :: [phone]
Web :: www.keydigital.com

Rev 1 – Oct 2011

Key Digital®, led by digital video pioneer Mike Tsinberg,

develops and manufactures high quality, cutting-edge

technology solutions for virtually all applications where

high quality video imaging is important. Key Digital

®

is at the forefront of the video industry for Home

Theater Retailers, Custom Installers, System Integrators,

Broadcasters, Manufacturers, and Consumers. We

provide

total video system solutions because we know

and help drive the technology, the industry, the business,

and all the latest up-and-coming standards. But most

of all, we know exactly what you need for your unique

application - the right solution.

Key Digital® Exclusive

HDMI/DVI & Audio via CAT6/STP

with Bi-Directional RS-232 & IR Smart Baluns

™

Key Digital® Exclusive Technologies

KD-BBTX / KD-BBRX

Operating Instructions

Page 4 Page 1

Quick Set Up Guide

Step 1: Begin with the KD-BBTX and all input/output devices turned off with power

cables removed.

Step 2: Connect video/audio sources to appropriate input ports on the KD-BBTX.

Step 3: Connect CAT6/STP cable to KD-BBTX output.

Step 4: Connect CAT6/STP cable to KD-BBRX input.

Step 5: Connect video/audio devices to appropriate output ports on the KD-BBRX.

Step 6: Connect power to the KD-BBTX, KD-BBRX and all other input/output

devices and turn them on.

Step 7: Allow up to five minutes for auto equalizations to take place.

Note: No signal conversion done on KD-BBTX; KD-BBRX. If input signal is HDMI

output signal will be HDMI. If input signal is DVI, output signal will be DVI.

Table of Contents

About the KD-BBTX; KD-BBRX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Pin Assignment for KD-BBTX; KD-BBRX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Video/Audio Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

DVI Applications for KD-BBTX; KD-BBRX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Dip Switch Configurations for KD-BBTX; KD-BBRX . . . . . . . . . . . . . . . . . . . . . . .4

Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Supported Resolutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Installation and Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Mechanical/Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Important Product Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

How to Contact Key Digital

®

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

© 2011 Key Digital, Inc. All rights reser ved.

Please read all instructions to insure safe operation of the product.

DVI

HDMI

Audio

CAT5/6/7

IR

RS-232

Speakers

KD-BBRX

KD-BBTX

KD-BBRX

KD-BBTX

RS-232

RS-232

IR

IR

Analog Audio

IR

HDMI

HDMI

Analog Audio

RS-232

RS-232

IR

DVI Video*

DVI Video*

*To connect DVI use appropriate HDMI to DVI adapters.

Up to 140’ for 1080p/60
with bi-directional IR/RS-232

Up to 270’ for 1080i/60
with bi-directional IR/RS-232

CAT6/STP

CAT6/STP

CAT6/STP

CAT6/STP

Display

Blu-Ray

Control System

Display

Audio Rcvr.

Control System

Desktop PC

Page 2 Page 3

About the KD-BBTX; KD-BBRX

½ Transmits (KD-BBTX) and Receives (KD-BBRX) 1080p/60 HDMI/DVI signals up to

140 feet and 1080p/24, 1080i, 720p, 480p, 480i HDMI/DVI signals up to 280 feet over
CAT6/STP cable.

½ Transmits and Receives RS-232 and IR control signals up to 280 feet over CAT6/

STP cable utilizing Key Digital’s exclusive Adaptive Smart Data Link

™

technology.

½ Transmits (KD-BBTX) and Receives (KD-BBRX) Left/Right analog or PCM digital

audio up to 300 feet over standard CAT6/STP cable

†

½ Automatically performs measurement of CAT6/STP link frequency response

and performs adaptive video response equalization for maximum video quality
performance utilizing Key Digital’s exclusive Auto Video Equalizer

™

technology.

½ Can handle all major video and audio formats such as analog stereo (balanced/

unbalanced) and digital S/PDIF.

½ Shielded RJ45 for best picture quality with UTP or STP cable.
½ Compliant with CAT5, CAT5e, CAT6 and CAT7 cables.

Note: Maximum distance specifications may vary based on UTP cable and crimping connection quality.
For optimum performance at maximum distances, please use STP cabling with properly soldered shielded
RJ45 connectors.

†

HDMI HDCP handshake information (DDC) and external audio cannot be supported simultaneously.

Pin Assignment for KD-BBTX; KD-BBRX

PIN # 1 2 3 4 5 6 7 8

Description TMDS 0-TMDS 0+TMDS C+TMDS 1-TMDS 1+TMDS C-TMDS 2-TMDS

2+

Video/Audio Connections

Input (KD-BBTX) / Output (KD-BBRX)

½ Video

»

HDMI / DVI via (1) HDMI Connector

½ Audio

†

»

Analog: L+, L-, R+, R- via (1) Terminal Block 6c style connector, included.
Balanced/unbalanced compatible

»

Digital: PCM via (1) RCA style connector

½ Data Connection

»

RS-232 + IR via (1) Terminal Block 5c style connector, included

Input (KD-BBRX) / Output (KD-BBTX)

½ Single CAT6/STP

DVI Applications for KD-BBTX; KD-BBRX

KD-BBTX; KD-BBRX can also be used to extend DVI video cable runs. For these
applications, use DVI to HDMI (Key Digital model number KD-MFHDMI or KD-FMHDMI)
adapters.

KD-BBRX

KD-BBTX

KD-BBTX

RS-232

RS-232

IR

IR

HDMI

HDMI

Analog Audio

Up to 140’ for 1080p/60
with bi-directional IR/RS-232

CAT6/STP

CAT6/STP

Display

Blu-Ray

Control System

Desktop PC

DVI

HDMI

Audio

CAT5/6/7

IR

RS-232

Speakers

KD-BBRX

KD-BBTX

KD-BBRX

KD-BBTX

RS-232

RS-232

IR

IR

Analog Audio

IR

HDMI

HDMI

Analog Audio

RS-232

RS-232

IR

DVI Video*

DVI Video*

*To connect DVI use appropriate HDMI to DVI adapters.

Up to 140’ for 1080p/60
with bi-directional IR/RS-232

Up to 270’ for 1080i/60
with bi-directional IR/RS-232

CAT6/STP

CAT6/STP

CAT6/STP

CAT6/STP

Display

Blu-Ray

Control System

Display

Audio Rcvr.

Control System

Desktop PC