Covid CVD 9902 User Manual

1723 West 4th Street / Tempe, AZ 85281

phone [phone] / fax [phone]

toll free [phone]

inter net: www.covid.com

© 2002 Covid, Inc. All Rights Reserved.

CVD 9902

VGA Distribution

Amplifiers

User’s Manual

DISCLAIMER

The information contained in this docu-

ment is subject to change without

notice.

Covid, Inc. makes no warranty of any

kind with regard to this material.

This document contains proprietary in-

formation that is protected by copy-

right. All rights are reserved. No part of

this document may be reproduced or

distributed in any form or by any

means without prior written consent of

Covid, Inc.

CVD 9902

1 Input, 2 Output

VGA Distribution Amplifier

A Simple Solution for Distributing A Single

VGA Source to Several Displays

General Specifications

CVD 9902 1 IN, 2 OUT VGA DISTRIBUTION AMPLIFIER

INPUT:
Signal: Analog RGBHV, RGBS,

RGsB, RsGsBs
Connectors: (1) HD-15
Video Impedance: 75 Ohms
Video Level: 0.5 – 1.4 Vpp
Sync Level: TTL
Sync Polarity: + / ­OUTPUT:
Signal: Follows Input
Connectors: (2) HD-15
Video Impedance: 75 Ohms
Video Signal Level: Follows Input
Sync Impedance: 24 Ohms
Sync Level: Follows Input
Sync Polarity: Follows Input
Bandwidth: 350 MHz

PHYSICAL SPECIFICATIONS

DIMENSIONS: 1U High
(in) 1.75 H x 6.375 W x 6.00 D
(cm) 4.45 H x 16.19 W x 15.24 D
ENCLOSURE: Aluminum, Black, Texture Finish
WEIGHT:
Net: 1.0 lb. / 0.45 kg
POWER:
Input: 110 or 120 VAC Wall Mount,
12 VAC, 1A, UL
Dissipated: 2 Watts

8

Contents

Introduction 2
Panel Descriptions 3

Front Panel 3

Rear Panel 4
Operational Setup 5
User Instructions 7

Acceptable Formats 7
General Specifications 8

1

Introduction

Thank you for purchasing a CVD 9902 VGA distribution
amplifier. Covid’s CVD 9902 provides a simple solution
for distributing a single source to several displays. The
CVD 9902 may be used to distribute computer signals to
multiple displays, or to boost signal strength over long
coax runs. Some of the features of the CVD 9902 video
distribution amplifiers include:

• HD-15 Connectors on Inputs and Outputs

• TTL Sync Levels

• 350 MHz Bandwidth

• Local Monitor Output

• Individually Buffered Outputs

2

User Instructions

Acceptable Formats

There are several acceptable input formats. The output
follows the input format. They are the following:

INPUT FORMAT OUTPUT FORMAT

RGBHV RGBHV

RGBS RGBS

RGsB RGsB

RsGsBs RsGsBs

7

Covid offers a wide variety of high quality computer ca­bles for your application needs.

6

Typical Configuration

PC COMPUTER MONITOR LCD PROJECTOR

Panel Descriptions

FRONT PANEL LAYOUT

3

Panel Descriptions

REAR PANEL LAYOUT

REAR PANEL

1. INPUT: HD-15 Connector accepts the input
signal.

2. LOCAL OUTPUT: HD-15 connector provided for

the local monitor. All ID bits are connected from

the input.

3. OUTPUT: HD-15 Connectors are provided to
connect to display devices.

4. POWER ON LED: LED will light when power is
applied to the device.

5. AC IN: Power in accepts 12 VAC from a Wall
Mount power cube.

4

Operational Setup

Turn off all equipment before connecting or removing ca­bles.

1. Connect the video source signals to the input.
Connect the monitor to the output labeled local
monitor.

2. Connect the video outputs to the displays.

3. Power up the unit and check power on LED indi­cator.

4. The unit is now operational. Turn on your video
source and finally the display monitors.

5