Gefen HDMI-144 Manuel utilisateur

1:4 Distribution Ampliﬁer

For d

Model # EXT-HDMI-144

USER MANUAL

www.gefen.com

ASKING FOR ASSISTANCE

Technical Support:

Telephone (818) 772-9100

(800) 545-6900

Fax (818) 772-9120

Technical Support Hours:

8:00 AM to 5:00 PM Monday through Friday PST

Write To:

Gefen Inc.

C/O Customer Service

20600 Nordhoff St.

Chatsworth, CA 91311

[email protected]

www.gefen.com

Notice

Gefen Inc. reserves the right to make changes in the hardware, packaging and any

accompanying documentation without prior written notice.

1:4 Distribution Ampliﬁer For HDMI is a trademark of Gefen Inc.

HDMI™ is a trademark of HDMI.org

TABLE OF CONTENTS

Introduction / Operation Notes1

Features2

Panel Descriptions3

Connecting and Operating the 1:4 HDMI Distribution Ampliﬁer For HDMI4

Dip Switch Guidelines5

Speciﬁcations6

Warranty7

The Gefen 1:4 HDMI Distribution Ampliﬁer is the perfect solution for anyone who

needs to send one source of digital high deﬁnition video to multiple displays at the

same time. It supports all HDMI equipment, such as DVD players and satellite set

top boxes and all HDMI displays. In operation, the digital video source is connected

to the distribution ampliﬁer’s one input while four HDMI outputs are available to be

used in part or in full. Once the unit is connected and powered, your source can be

distributed up to four digital displays at the same time.

How It Works

Simply connect your HDMI video source to the 1:4 HDMI Distribution Ampliﬁer’s

input using the supplied HDMI cable. Then connect up to four HDMI displays to

the unit’s four HDMI outputs. Once connected and powered, your source can be

seen on all four displays at the same time. When two or more 1:4’s are connected

together, you can create a larger distribution system.

INTRODUCTION

READ THESE NOTES BEFORE INSTALLING OR

OPERATING THE 1:4 DISTRIBUTION AMPLIFIER FOR HDMI

• Display information from the display connected to HDMI output port 1 is sent

back to the source. Therefore, all other displays connected to the 1:4

Distribution Ampliﬁer For HDMI must be capable of accepting the timings

and resolutions of the display that is connected to HDMI output port 1. It is

recommended that the display with the lowest native resolution be connected

to HDMI output port 1. This is to ensure that a compatible video signal will be

able to be displayed on all connected monitors.

• HDMI/HDCP compliant

• Compatible with all HDMI and DVI* displays

*When used with a HDMI to DVI adapter

OPERATION NOTES

FEATURES

Features

Connects up to four HDMI/DVI* displays at the same time to one video source

Allows simultaneous display

Supports resolutions up to 1080p, 2K, and 1920 x 1200

Extends the range of HDMI compliant devices by equalizing and re-clocking the

HDMI signal

HDMI/HDCP compliant

Includes:

(1) 1:4 DistributionAmpliﬁer For HDMI

(1) 6 Ft HDMI cable (M-M)

(1) 5V DC Power Supply

(1) Set of Rack Ears

(1) Users Manual

*When used with a HDMI to DVI adapter

•

PANEL DESCRIPTIONS

Front Panel

Back Panel

Power LED

Indicator

5V DC Power

Input

HDMI Output

HDMI Input

HDMI Output

1* *See Note on page 4

CONNECTING AND OPERATING

THE 1:4 DISTRIBUTION AMPLIFIER FOR HDMI

Connect the supplied cable from the HDTV HDMI source into the HDMI input port

of the 1:4 DistributionAmpliﬁer For HDMI.

Connect the user supplied cable(s) from your display(s) into the HDMI output

port(s) of the1:4 Distribution Ampliﬁer For HDMI.

Plug the 5V DC power supply into the 1:4 Distribution Ampliﬁer For HDMI.

Note: Display information from the display connected to HDMI output port 1 is sent

back to the source. Therefore, all other displays connected to the 1:4 Distribution

Ampliﬁer For HDMI must be capable of accepting the timings and resolutions of

the display that is connected to HDMI output port 1. It is recommended that the

display with the lowest native resolution be connected to HDMI output port 1.

This is to ensure that a compatible video signal will be able to be displayed on all

connected monitors.

How to Connect the 1:4 Distribution Ampliﬁer For HDMI

DIP SWITCH GUIDELINES

Extended display identiﬁcation data (EDID) is a data structure provided by a

display to describe its capabilities to any source that asks for it. The EDID includes

manufacturer name, product type, timings supported by the display, display size,

luminance data, (for digital displays only) pixel mapping data, supported audio

channels and formats. This information is used by the source to cater its output to

resolutions and audio formats that are supported by the display.

Additional EDID modes are available and conﬁgured using a combination of dip

switches 1, 2, and 5. Please refer below for the different EDID modes.

To access the Dip Switches, remove all screws from the bottom and sides of the

Gefen unit. Carefully slide the unit apart. The 8 Bank of Dip Switches are located

on the main PCB. Once adjustments are complete, slide the unit back together and

replace all removed screws.

EDID Mode 0 (Switch 1=OFF Switch2=OFF Switch5=ON)

-EDID is copied from the ﬁrst HDMI port

EDID Mode 1 (Switch 1=ON Switch2=OFF Switch5=ON)

-Same as Mode 0 and adds basic audio support

EDID Mode 2 (Switch 1=OFF Switch2=ON Switch5=ON)

-Same as Mode 0 and adds full audio support

EDID Mode 3 (Switch 1=ON Switch2=ON Switch5=OFF)

-EDID is generated based on the common video and audio features of all of the

connected devices

EDID Mode 4 (Switch 1=OFF Switch2=ON Switch5=OFF)

-Same as Mode 3 and adds basic audio support

EDID Mode 5 (Switch 1=ON Switch2=OFF Switch5=OFF)

-Same as Mode 3 and adds full audio support

EDID Mode 6 (Switch 1=OFF Switch2=OFF Switch5=OFF) DEFAULT

-EDID is generated based on the common video features of all of the connected

devices and the combined audio features of all of the connected devices

DIP SWITCH

EDID GUIDE

SPECIFICATIONS

Video Ampliﬁer Bandwidth ............................................................................ 165 MHz

Input Video Signal ................................................................................... 1.2 Volts p-p

Input DDC Signal .............................................................................. 5 Volts p-p (TTL)

Single Link Range ................................................................... ...1080p / 1920 x 1200

Input Connector Type .................................................................. HDMI Type A 19 Pin

Output Connector Type ................................................................HDMI Type A 19 Pin

Power Consumption .......................................................................... 10 Watts (max.)

Power Supply ................................................................................................. 5V DC

Dimensions .......................................................................... 12”W x 1.25”H x 4.125”D

Shipping Weight ................................................................................................. 5 Lbs

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