Key Digital KD-X444L Operating Instructions Manual

4K/18G HDBT POH Extenders

(Includes KIT Tx/Rx 4K/70meters 1080P/100meters)

KD-X444L

Rev 0 – Jan 2018

Operating Instructions

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

and manufactures high quality, cutting-edge technology solutions

for virtually all applications where high-end video and control are

important. Key Digital

®

is at the forefront of the video industry for

Home Theater Retailers, Custom Installers, System Integrators,

Broadcasters, Manufacturers, and Consumers.

The Experts in Digital Video Technology and Solutions

™

Key Digital® Systems :: 521 East 3rd Street :: Mount Vernon, NY 10553

Phone : [phone] Fax : [phone] Web : www.keydigital.com

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4 1

About KD-X444L

Key Digital® KD-X444L is an HDCP2.2 compliant long range HDBaseT kit (Tx + Rx) with
support of 18Gbps 4K/UHD signal extension for the latest digital video standards.

KD-X444L extends UHD/4K signals up to 328 ft. (100m) using CAT6A STP / CAT7 cable
or up to 230 ft. (70m) using CAT5e/6 cabling. 1080p signals may be extended up to
328 ft. (100m) in standard mode or 500 ft. (152m) in long range mode. In addition to
HDMI video and audio signals, KD-X444L carries IR or RS-232 for controlling remotely
located equipment.

Key Features

➔

HDBaseT via Single CAT5e/6 UTP/STP Extension: With fully automatic adjustment of

feedback, equalization, and amplification depending on cabling length

➔

4K Support:

4096x2160 or 3840x2160 24/25/30/60hz at 4:4:4 (signals up to

18Gbps bandwidth)

➔

Flexible Power over HDBaseT:

Only one power connection needed.

Tx may power Rx, or Rx may power Tx.

➔

Low Profile:

Super slim chassis design

➔

Signal Extension:

For resolution and cable quality

» 4K/UHD: Up to 230 ft. (70m) using CAT5e/6

Up to 328 ft. (100m) using CAT6A STP / CAT7

» 1080p: Up to 328 ft. (100m) maximum

➔

Long Range Mode:

Extends 1080p signals up to 500 ft. (152m) using CAT5e/6

(UHD/4K not supported)

➔

10G Pass-thru:

Mode enables uncompressed 10.2Gbps signal extension

➔

HDR10 (High Dynamic Range):

More life-like images through a greater range of

luminance levels

➔

HDCP 2.2:

Compliancy up to HDCP 2.2 and backward compliant

Table of Contents

About KD-X444L.............................................................1

Quick Setup Guide ...........................................................3

Installation and Operation ......................................................3

Application Example ..........................................................5

Connections and LEDs ........................................................6

LED Indicator Lights ..........................................................10

Settings and Adjustments ......................................................11

Extending IR and RS-232 Control.................................................16

Specifications ...............................................................19

Important Product Warnings & Safety Instructions: ....................................20

How to Contact Key Digital

®

.....................................................21

Warranty Information..........................................................21

© 2018 Key Digital, Inc. All rights reserved.

Note: Please visit www.keydigital.com for the latest product documentation and software
downloads. Product features and specifications are subject to change without notice.

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2 3

➔

Deep Color Support:

Up to UHD/4K 30Hz 4:4:4/12 bits or 60Hz 4:4:4/8 bit

➔

EDID Control:

Internal library with 15 EDID handshakes including 4K with HDR in

addition to native EDID data from Output/Display device connected to Rx

➔

Hot Plug Detection Control:

Enables integrator to choose if active signal voltage is

forced to connected input and output devices

➔

Full Buffer System™:

Manages TMDS re-clocking / signal re-generation,
HDCP authentication with source & display, EDID Control handshake,
and Hot Plug Detection control

➔

IR Sensor:

Sensor powering via +5V on IR In ports collects line-of-sight IR from

remote(s) without external IR connecting block

➔

Up/Down IR:

Two channels of IR enable control to/from devices or control systems

connected to Tx and Rx units

➔

RS-232:

Bi-Directional control to/from Tx and Rx unit on Phoenix connector

➔

Lossless compressed digital audio:

Support for Dolby® TrueHD,

Dolby® Digital Plus, Dolby Atmos®, and DTS-HD Master Audio

™

➔

CEC Pass-thru:

For inter-device control between input and output HDMI channel

Accessories

» 1x 48V/0.42A, 20W DC Power Supply (Screw-In Type)

» 4x Mounting Brackets

» 1x IR Emitter

» 1x IR Sensor

» 1x 3-pin Phoenix Connector

» 1x 4-pin Phoenix Connector

Quick Setup Guide

Step 1:

Find a safe and convenient location to mount or place your KD-X444L units

Step 2:

Begin with the Tx and Rx units and all input/output devices turned off with power

cables removed

Step 3:

Connect your HDMI source to the input port of the Tx unit

Step 4:

Connect your HDMI display to the output port of the Rx unit

Step 5:

Connect a CAT5e/6 UTP/STP cable between Tx and Rx unit

Step 6:

Connect additional IR and/or RS-232 control connections and IR sensors. Refer
to Settings and Adjustments section to ensure that the Control Rotary is set
appropriately for desired control extension.

Step 7: BEFORE

connecting power supply to power outlet, screw-in the power supply to

the Tx or Rx unit

Step 8: AFTER

all connections are made, plug-in power supplies to power outlets

Step 9:

Power on input/output devices

Installation and Operation

Before permanently securing the unit for final installation, test for proper operation of
the unit and cables in your system. It is recommended that you leave enough ventilation
space to provide sufficient airflow and cooling.

You MUST use the Power Supply provided with your unit or you VOID the Key Digital®
Warranty and risk damage to your unit and associated equipment.

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4 5

Application Example

ClassroomEquipment Rack

Remote

IR Sensor

IR

WiFi

RS-232

HDMI

CAT5e/6

IR Out

WiFi Router

Master Controller

KD-MC1000

Enterprise Software License
for Compass Control

®

Pro

Supports iOS & Android

KD-ProCL8

KD-ProCL6

KD-ProCL4

KD-ProCL1

KD-ProCL1

KD-X444L

KD-X444L

Apple TV

Projector

RS-232

HDMI

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