Gefen EXT-VGA-CAT5-142 Manuel utilisateur

www.gefen.com

2X VGA Extender

EXT-VGA-CAT5-142

User Manual

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 thru 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.

2X VGA Extender is a trademark of Gefen Inc.

All trademarks are the property of their respective companies

REV X1

CONTENTS

1. Introduction

2. Features

3. Sender Panel Descriptions

4. Receiver Panel Descriptions

5. Connecting And Operating The 2X VGA Extender

6. Adjusting The 2X VGA Extender

7. Network Cable Wiring Diagram

8. Speciﬁcations

9. Warranty

OPERATION NOTES

INTRODUCTION

READ THESE NOTES BEFORE INSTALLING OR

OPERATING THE 2X VGA EXTENDER

• Resolutions up to WUXGA (1920 x 1200) are supported.

• Maximum extension of CAT-5 or CAT-5e distance of 1000 feet (300 meters).

• 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-EDIDN) with two VGA to DVI adapters.

Congratulations on your purchase of the 2X VGA Extender. Your complete satis-

faction is very important to us.

Gefen

Gefen delivers innovative, progressive computer and electronics add-on solutions

that harness integration, extension, distribution and conversion technologies.

Gefen’s reliable, plug-and-play products supplement cross-platform computer

systems, professional audio/video environments and HDTV systems of all sizes

with hard-working solutions that are easy to implement and simple to operate.

The Gefen 2X VGA Extender

The Gefen 2X VGA Extender allows you to extend VGA video at great distances,

up to 1,000 feet from the video source. A single industry-standard CAT5 cable

is used to carry the video signal. The 2X VGAreceiver unit has two VGAvideo

outputs, so you can connect more than one monitor if so desired at the remote

location.

How It Works

You simply hook up the 2X VGAsender unit to your VGAvideo source using

the supplied 6-foot VGA mating cable, then run your CAT-5 cable to the 2xVGA

Receiver unit. At the remote end, connect your display(s) to the 2X VGA Receiver

and your video will be extended ﬂawlessly.

FEATURES

Features

• Extends any VGA video source up to 1000 feet away

• Uses only one CAT-5 cable for extension

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

• Allows up to 2 VGA displays at the remote end

Package Includes

(1) VGA Extender Sender Unit

(1) VGA Extender Receiver Unit

(1) 6 foot VGA Cable (M-F)

(1) 5V External Power Supply

(1) User’s Manual

SENDER PANEL DESCRIPTIONS

Front Panel

Back Panel

RJ-45 Port

Link LED

Indicator Power LED

Indicator

VGA Input

5V DC Power Input

RECEIVER PANEL DESCRIPTIONS

Front Panel

Back Panel

Link LED

Indicator Power LED

Indicator

Red Trim

Pot Blue Trim

Pot Focus Trim

Pot

Green Trim

Pot Brightness Trim

Pot

VGA Output 2VGA Output 1

RJ-45 Port

How to Connect the 2X VGA Extender

1. Connect the VGA source to the 2X VGA Extender sender unit using the

supplied VGA cable

2. Connect the 2X VGA Extender sender unit and receiver unit together using a

user supplied CAT-5 or CAT-5e cable.

NOTE: When terminating cabling, please adhere to the TIA/EIA-568-B

speciﬁcation. Please see page 7 for more details.

3. Connect the displays to the 2X VGA Extender using user supplied VGA

cables.

4. Connect the included 5V DC power supply to the 2X VGA Extender sender

unit.

5. Power on the display ﬁrst, and the source second. The LED indicators on

both the 2X VGA Extender sending and receiving units should now be lit .

The receiver unit relies on power from the sender unit. If the receiver unit’s

LED indicators are not lit, please check the CAT-5 cabling and ensure that a

proper connection has been made.

6. If the image appears blurry or smeared, please refer to the next section for

instructions on how to adjust the video image.

The 2X VGA Extender Receiver has a number of adjustment options to achieve

optimal video quality. There are ﬁne and coarse adjustments for focus and

brightness. There is also individual color adjustments for cable skew. Please use

the steps below to ﬁne tune the video signal.

Trim Pot Adjustment Procedure

All adjustments in the following section are done via trim pots that require a small

ﬂathead device. Please follow the steps below for instructions on how to adjust

the trim pots.

1. Insert a small ﬂathead adjustment tool into the trim pot.

2. Turn the trim pot in a clockwise fashion until the trim pot stop turning. Do not

force the trim pot beyond this point as it will render it useless.

3. Turn the trim pot in millimeter increments in a counter-clockwise fashion until

the desired adjustment point is reached.

4. Remove the trim pot adjustment tool.

CONNECTING AND OPERATING THE 2X VGA EXTENDER

ADJUSTING THE 2X VGA EXTENDER RECEIVER

Brightness (AGC dip switch, Brightness trim pot)

The 2X VGA Extender receiver features an automatic gain control (AGC) for

brightness. This should set the optimal brightness based on the video signal.

However, manual adjustment can be done by disabling this feature. To disable

AGC, remove the silver metallic tape on the underside of the 2X VGA Extender

receiver to expose a 2 dip switch bank and a pair of trim pots. By default, AGC is

turned on as indicated by dip switch 1 being in the ON position (Dip switch 2 is

not used). Disable AGC by turning dip switch 1 to the OFF position. Adjustment

to the brightness can now be done using the Brightness (Br.) trim pot, located on

the back panel of the 2X VGA Extender receiver unit. Use steps 1 through 4 on

the previous page to adjust the brightness trim pot.

Color Skew Correction (Red, Green, and Blue trim pots)

Varying cable quality, length, and skew may offset the convergence of the three

primary colors. Red, green, and blue can individually be adjusted to compensate

for cable skew. Please use steps 1 through 4 on the previous page on the trim

pots for each color.

Focus (Focus and CABLE EQ trim pots)

If the image appears blurry or ghosted, the focus may need to be adjusted. Use

steps 1 through 4 on the previous page on the Focus (Foc.) trim pot, located on

the back panel of the 2X VGA Extender receiver unit.

The focus can be ﬁne tuned using the CABLE EQ trim pot located on the

underside of the 2X VGA Extender. Use steps 1 through 4 on the previous page

to adjust the CABLE EQ trim pot.

Offset

Not for user adjustment. For service purposes only.

AGC

Cable EQ

Offset

12345678

Gefen has speciﬁcally engineered their products to work with the TIA/EIA-568-B

speciﬁcation. Please adhere to the table below when ﬁeld terminating cable for

use with Gefen products. Failure to do so may produce unexpected results and

reduced performance.

CAT-5, CAT-5e, and CAT-6 cabling comes in stranded and solid core types.

Gefen recommends using solid core cabling. CAT-6 cable is also recommended

for best results.

Each cable run must be one continuous run from one end to the other. No splices

or use of punch down blocks.

Pin Color

1 Orange / White

2 Orange

3 Green / White

4 Blue

5 Blue / White

6 Green

7 Brown / White

8 Brown

NETWORK CABLE WIRING DIAGRAM

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