Gefen USB-241 User manual

USB•241

USER MANUAL

TABLE OF CONTENTS

Introduction ................................................................... 1

Operation Notes ........................................................... 3

Installation .................................................................... 5

Front Panel Layout ....................................................... 6

Front Panel Function Description ................................. 7

Back Panel Layout ........................................................ 8

Back Panel Function Description ................................. 9

Monitor Dip Switch Settings ........................................ 11

Front Panel Setting Descriptions ........................... 12-13

RMT-16 Remote Control ............................................. 15

Wiring Diagrams .................................................... 16-19

Link and RMT16 Cable ............................................... 20

Specifications ............................................................. 21

Warranty ..................................................................... 23

Technical Support:

Telephone (818) 884-6294

(800) 545-6900

Fax (818) 884-3108

Technical Support Hours:

9:00 AM to 5:00 PM Monday thru Friday.

Write To:

Gefen Inc.

C/O Customer Service

6265 Variel Ave.

Woodland Hills, CA 91367-9897

Notice

Gefen Inc. reserves the right to make changes in the

hardware, packaging and any accompanying

documentation without prior written notice.

USB•241 is a trademark of Gefen Inc.

Macintosh is a trademark of Apple Computer Inc.

ASKING FORASSISTANCE

INTRODUCTION

Thank you for purchasing Gefen Inc.’s ex•tend•it USB•241

KVM switcher series. The USB•241 switches your moni-

tor and USB between two computers and is expandable

up to 8 USB•241 units for a total of 16 computers. The

USB•241 switcher is designed to be placed close to the

computers. The USB and Video output of the USB•241

unit can be extended with the ex•tend•it CAT5•2000I USB

product, up to 300 feet away. Alternately, the USB•241

can be switched remotely using the RMT-16 wired remote

control. Video and USB can be extended up to 25 feet

away without the need for an additional amplifier.

Theex•tend•itUSB•241unitcanbeconfiguredforalltypes

of monitors and resolutions. Each CPU needs to be con-

figured for the specific monitor size and resolution. For all

new computers from year 2000 and up, the resolution of

the monitors can be adjusted from the control panel of

each computer.

The ex•tend•it USB•241 can be configured for different

modes of switching by setting dip switches on the front

panel. The default model comes with all the switches off.

It allows switching between two CPUs. In order to control

more than two CPUs, the dip switches are set to Master

and an address from 1 to 8 is selected on the selector

switch.

The ex•tend•it USB•241 can be connected together with

other USB•241 units using an expansion cable between

the USB•241 units.

Another useful configuration is for dual monitor switching.

By using two USB•241 units, and a setup for the two units

as Master and Slave configuration, two computers using

two monitors each, can be switched with the USB•241.

READ THESE NOTES BEFORE INSTALLING OR

OPERATION OF THE USB•241 SYSTEM

1. The ex•tend•it USB•241 units were designed to

operate on any type computer with USB keyboard/

mouse and analog video. Using the USB•241

equipment with non USB computers is not

guaranteed or recommended.

2. Powering down an ex•tend•it USB•241 unit while the

computer is on can cause the USB signal to freeze.

It is recommended to always leave the power of the

USB•241 unit ON.

3. The monitor dip switch setting on the ex•tend•it

USB•241 unit needs to be configured to the type of

monitor used. Incorrect dip switch setting will result

in no picture or incorrect picture size upon start up

of the computer. Latest model computers require no

dipswitch setting. See detail on page 11 for

configuration.

4. Selecting Setting switches on the front panel can be

updated during any time of operation. See details on

page 12 & 13.

5. When using a local keyboard in a system that

includes the use of a CAT5•2000S unit and the

USB•241, the USB signal is connected to the

USB•241 directly from the computer. The video is

connected from the CAT5•2000S local monitor out.

OPERATION NOTES

INSTALLATION

1. Plug the 17v power supply into “POWER” on the back

of the USB•241 then plug the power supply into the wall.

2. Plug the supplied VGA cable into your first computer

and plug the supplied USB cable into your first computer

then plug both cables into “MON1” and “USB1”.

3. Plug the supplied VGA cable into your second com-

puter and plug the supplied USB cable into your second

computer then plug both cables into “MON2” and

“USB2”.

4. Plug your monitor in to “MONITOR”

5. Plug the USB device you want to have switched into

“USB OUT”

567

128

567

128

USB•241 FRONT PANEL

the selector switch or remote input.

Slave Mode Indicator

Receiving data from the master unit or the RMT-

16 unit.

CPU 1 Indicator

Indicates that the CPU 1 computer is active.

CPU 2 Indicator

Indicates that the CPU 2 computer is active.

Power On Indicator

Indicates that the unit is on and plugged in.

Reset

Resets the USB•241 settings.

Setting

The four dip switches set up the USB•241

switching configuration. Page 11 for details.

Unit Switch

The rotary switch lets you control up to 8

USB•241 units. Refer to page 12 & 13 for more

details.

Selector Switch

This switch allows you to toggle between CPUs.

The switch is only active in the default and

master mode.

Master Mode Indicator

This mode controls multiple USB•241 units with

FRONT PANEL FUNCTION DESCRIPTIONS

146

810

911

USB•241 BACK PANEL

Remote connector

RJ-11 connector for remoting the RMT-16 remote

control

Expansion

DB-25 conncetor type, allows expansion with

additional USB•241 units

USB output

Dual type A connector, supports two USB devices

Monitor out

HD-15 female connector which interfaces to your

monitor.

USB input 2

USB type B connector. Connect to CPU #2

Monitor Input 2

HD-15 Male type connects to the CPU#2

USB input 1

USB type B connector. Connect to CPU #1

Monitor Input 1

HD-15 Male type connects to the CPU#1

Dipswitch #2

Resolution selection for CPU#2

Power

Connects to an external 17 VAC .7A power supply

Dipswitch #1

Resolution selection for CPU#1

BACK PANEL FUNCTION DESCRIPTIONS

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