Gefen EXT-VGA-142N Manual de usuario

www.gefen.com

1:2 VGA Hub

EXT-VGA-142N

USER MANUAL

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.

Write To:

Gefen Inc.

C/O Customer Service

20600 Nordhoff St.

Chatsworth, CA 91311

www.gefen.com

[email protected]

Notice

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

accompanying documentation without prior written notice.

1:2 VGA Hub is a trademark of Gefen Inc.

ASKING FOR ASSISTANCE

Rev X1

TABLE OF CONTENTS

1. Introduction / Operation Notes

2. Features

3. Panel Descriptions

4. Connecting and Operating the 1:2 VGA Hub

5. Speciﬁcations

6. Warranty

The 1:2 VGA Hub allows computers with VGA graphic cards to display a picture

on two VGA displays or projectors simultaneously, making it perfect for presenta-

tions where the operator uses a small monitor at the computer while the audience

views the image on a second larger display or projector.

How It Works

The 1:2 VGA Hub is connected to a PC video source with a VGA (male to female)

cable from the computer’s VGAgraphics card port to the VGA Hub’s input con-

nector.

There are two VGA outputs on the 1:2 VGA Hub. VGA output one is the Primary

connection, which queries the Primary Display attached to it and determines the

possible video resolutions, timings and frequencies that can be used to create a

picture. This information is called EDID (Extended Display Identiﬁcation Data).

VGA output two is connected to the second (Secondary) display and creates an

image by following the EDID settings obtained from the ﬁrst (Primary) display;

therefore, both displays should be capable of the same resolutions and refresh

rates in order to display an identical picture. For more information regarding

EDID, please read the Operation Notes immediately below this paragraph.

INTRODUCTION

READ THESE NOTES BEFORE INSTALLING OR

OPERATING THE 1:2 VGA HUB

• Display information (EDID) is not sent back to the source. Standard VESA

resolutions should be output by most computers without the need of an EDID.

If using a non-VESA standard resolution or if EDID is needed, an EDID storage

and relay device is necessary. Gefen recommends the use of a DVI Detective

(part# EXT-DVI-EDID, EXT-DVI-EDIDN, or EXT-DVI-EDIDP) with two VGA to

DVI adapters.

OPERATION NOTES

FEATURES

Features

• Connects computers with VGA graphics to two VGA compatible monitors

• Allows two VGA displays to be connected at the same time to the same video

source

• Simultaneous display at local and remote locations

• Maintains highest video resolution up to 1920 x 1200 and 1080p

• Installs in seconds

Includes:

(1) VGA Hub

(1) 6’ VGA cable (M-F)

(1) 5VDC Power Supply

(1) User’s Manual

PANEL DESCRIPTIONS

VGA In

5v Power

Input VGA Out 1 VGA Out 2

Power Light

Front

Back

CONNECTING AND OPERATING THE 1:2 VGA HUB

How to Connect the 1:2 VGA Hub to your devices

1- Connect the supplied VGA cable from the VGA device into the 1:2 VGA Hub

Input.

2- Connect the cables from your displays (monitor or projector) into the VGA Out

slots in the back of the 1:2 VGA Hub

4- Plug the 5v power supply into the 1:2 VGA Hub.

5- Plug the 5v wall mount power supply into the wall outlet.

NOTE: Display information (EDID) is not sent back to the source. Standard VESA

resolutions should be output by most computers without the need of an EDID.

If using a non-VESA standard resolution or if EDID is needed, an EDID storage

and relay device is necessary. Gefen recommends the use of a DVI Detective

(part# EXT-DVI-EDID, EXT-DVI-EDIDN, or EXT-DVI-EDIDP) with two VGA to DVI

adapters.

SPECIFICATIONS

Video Ampliﬁer Bandwidth ............................................................................ 350 MHz

Input Video Signal ................................................................................... 1.2 volts p-p

Maximum Resolution ............................................................................... 1920 x 1200

Power Consumption ............................................................................ 5 Watts (max.)

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

Dimensions ............................................................................... 2.6”W x 1.1”H x 2.6”D

Shipping Weight ................................................................................................. 2 Lbs

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