Key Digital KD-SX440WP Operating Instructions Manual

4K 2x1 HDMI/VGA Wall-Plate Switcher,

Scaler & Extender with HDBaseT Output

(Includes KIT Wall-Plate Tx/Rx

4K/70meters 1080P/100meters)

KD-SX440WP

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

4 1

About KD-SX440WP

KD-SX440WP HDBaseT/HDMI (Wall-plate Tx + Rx KIT) is a wall-plate input
presentation switcher and extender KIT ideal for professional video installations
in conference rooms, huddle spaces, class rooms, and more. KD-SX440WP is
HDCP 2.2 compliant and consists of KD-SX440WPTx and KD-SX440Rx.
4K/UHD 24/25/30 (4:4:4) and 4K/UHD 60 (4:2:0) signals are extended up to
230 ft. using a single CAT5e/6 cable. 1080p/60, 1920x1200 signals are extended
up to 328 ft. In addition to AV signals, KD-SX440WP extends IR and RS-232 for
controlling remotely located equipment. The wall-plate unit (Tx) fits in a standard
US dual-gang box and is powered by the Rx unit for convenient installation.

Key Features

➔

4K Support:

Supports signals up to 4096x2160 60Hz [4:2:0] 8bit,

4096x2160 30Hz [4:2:2] 12bit, and 4096x2160 30Hz [4:4:4] 8bit

➔

Presentation Switching:

1 HDMI and 1 VGA + Audio source to

1 HDBaseT/HDMI output

➔

Auto Switching:

Newly connected source is discreetly selected

➔

Converts:

VGA video and analog audio to HDMI

➔

Video Scaling:

Processing of VGA signals ensures proper display

» Aspect ratio adjust

» Resolution adjust

» Image shift

» Image stretch

➔

Power Over HDBaseT:

Wall-plate (Tx) unit powered by Rx unit

➔

Installation:

Tx unit designed for installation in standard US dual-gang box

➔

Signal Extension:

For resolution and cable quality

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

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

» 1080p: Up to 328 ft. (100m) maximum

➔

HDR10 (High Dynamic Range):

More life-like images through a greater range of

luminance levels

Table of Contents

About KD-SX440WP ...............................................1

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

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

Application Example ...............................................4

Connections, Buttons, and LEDs......................................6

RS-232 Commands ...............................................12

Use with third-party HDBaseT Tx or Rx .................................16

Specifications ....................................................16

Important Product Warnings & Safety Instructions: ........................17

How to Contact Key Digital ..........................................18

Warranty Information ...............................................19

© 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.

2 3

➔

HDCP 2.2:

Compliancy up to HDCP 2.2 and backward compliant

➔

Bandwidth:

TMDS bandwidth 10.2 Gbps

➔

Deep Color Support:

Up to UHD/4K 30Hz 4:2:2/12 bits or 60Hz 4:2:0/8 bit

➔

HDMI® and HDCP Licensing:

Fully licensed and compatible with HDCP 2.2 and

HDMI latest technology such as 4K/UHD 4:2:0/8bit at 60f/s

➔

EDID Control:

Internal library features 15 default EDID configurations and

native EDID data from Output/Display devices connected via Rx

➔

Full Buffer System™:

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

➔

IR Sensor:

Wall-plate collects line-of-sight IR from remote(s) without

external IR wiring

➔

RS-232:

Bi-Directional control to/from Tx and Rx unit

➔

Unit Control Mode:

Provides RS-232 control and status of/from Tx unit

➔

Lossless compressed digital audio:

Support for Dolby® TrueHD,

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

™

➔

CEC Support:

For inter-device control between input and output HDMI channel

➔

I2C Communication:

EDID and HDCP authentication to Display and Source

➔

Control System Support:

Fully controllable by all RS-232 supported control
systems via open API: Compass Control® Pro, AMX®, Crestron®, KNX®, RTI®,
Savant, URC®, Leviton® etc.

Accessories

➔ 24V 1.67A DC power supply (qty 1)

➔ Aluminum decora plate (qty 1)

➔ Decora mounting screws with flat head (qty 4)

➔ Gang-box mounting screws (qty 4)

➔ Mounting bracket (qty 2)

➔ IR Emitter (qty 1)

➔ 3-pin phoenix terminal (qty 2)

Quick Setup Guide

Step 1: Ensure that all desired functionality is achieved before installing the

Tx wall plate

Step 2: Find a safe and convenient location to mount or place the Rx unit

Step 3: Begin with the Tx, Rx units and all input/output devices turned off with

power cables removed

Step 4: Connect HDMI and/or VGA + audio source to the input port of the Tx unit

Step 5: Connect HDMI display to the output port of Rx unit

Step 6: Connect CAT5e/6 cabling to Tx and Rx units.

Use 568-B standard termination on both ends.

Step 7: If controlling external devices, connect IR emitter and sensor, and RS-232

cabling as needed

Step 8: BEFORE connecting power supply to power outlet, secure power wiring

into phoenix connector and insert into Tx or the Rx units

Step 9: AFTER all connections are made, plug-in power supply to power outlet

Step 10: Power on input/output devices

Step 11: Choose desired source using Input Select button

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.

4 5

Application Example

Conference RoomEquipment Rack

VGA

VGA Laptop

HDMI Laptop

Equipment

Remotes

Apple TV

Camera

IR Connecting

Block

Video Conferencing

PC

4K MultiView Presentation Switcher

HDBaseT

HDBaseT

HDMI

IR

IR

VGA

L/R

KD-MLV4x2Pro

KD-SX440WPTx

KD-SX440Rx

HDMI

HDMI

HDMI

KD-AMP220

Input Control

Vol

Mic

Mute

Line BassL/R PCM

1

2

Treble

KD-AMP220

HDMI

KD-X222PORx

Podium

Mic