D-Link DKVM-2 User manual

DKVM-2/4

2/4-

Port Keyboard, Video,

and Mouse Switch

Manual

Rev. 1.2

Contents

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

Hardware Installation...............................................................2

Front Panel Layout.....................................................................................2

Rear Panel Layout.....................................................................................2

Using the DKVM-2/4................................................................6

“Select” button............................................................................................6

Keyboard “Hot Key commands................................................................7

Optional cable.............................................................................................7

Troubleshooting.......................................................................8

Keyboard.....................................................................................................8

Mouse ..........................................................................................................8

Video..........................................................................................................10

Product Features.....................................................................1

Specifications........................................................................11

FCC Certifications................................................................12

D-Link Offices........................................................................13

Technical Support........................................................15

Warranty......................................................................16

Registration.................................................................20

Introduction

Thank you for purchasing the DKVM-2/4 KVM Switch. This product will

ensure easyand accurate control over 2 or 4 PCs through a single

console. The DKVM-2/4 is compatible with mice and keyboard with

PS/2 type connectors. Older style keyboards or mice can be used with

PS/2 adapters in the case that the device is PS/2 compatible. Most

older style serial keyboard and mice are not compatible with PS/2.

Advanced features like keyboard and mouse emulation for error free

boot-ups and support is also provided for the Microsoft Intellimouse

and Microsoft Intellimouse Explorer.

The DKVM-2/4 supports high resolutions. Resolutions up to 1920 x

1440 are supported with no deterioration of image quality.

Switching between PCs can be accomplished in two ways: through

keyboard “Hot Key” commands or by using the convenient front-panel

“Select” pushbutton controls.

Product Features

§Allows a user to control 2/4 computers from one console.

§Works with DOS, Windows, OS/2, UNIX, Linux etc.

§No drivers or other additional software required.

§Keyboard and mouse emulation allows error-free boot-up.

§The status of the CAPS LOCK, SCROLL LOCK and NUM

LOCK keys is preserved for each of the computers.

§Uses inexpensive and commonly available cables. Molded KVM

cables are recommended. Model No. DKVM-CB

§Supports Monitor resolutions of up to 1920 x 1440.

§Supports VGA, SVGA and Multisync monitors.

§“Select” push-button or keyboard “Hot Key” control.

§Comes with Auto-Scan mode for convenient automatic

switching.

§Front panel status LEDs give a clear indication of the active PC.

§Audible feedback when switching between computers.

Package Contents

In addition to this User’s Guide, please check that you have the

following contents of this package…

§DKVM-2/4

§Power Adapter

Hardware Installation

This section will explain how to connect the console and the

computers to the DKVM-4 switch unit. First the layout of front and rear

panel will be shown.

FRONT PANEL LAYOUT

REAR PANEL LAYOUT

Before you start connecting your computers and console devices to

the DKVM-2/4, please make sure that everything is powered off.

Note: Please make sure the mouse you are planning to use is a 2

Button or 3 Button mouse, and that it is fully Microsoft

Mouse compatible. If your mouse driver is not Microsoft

mouse driver compatible, please do not uninstall your

mouse driver or the existing driver from the PC and then

install the Windows native mouse driver.

Please follow the steps below closely and in the order as shown,

otherwise, keyboard and/or mouse errors may occur.

Step 1.Place the DKVM-2/4 in a convenient location. Its small size

makes it easy to place on the desktop. Do take the length of

the cables in consideration when placing the KVM switch unit.

Step 2.We will now connect the console devices. Connect your

monitor to the DKVM-2/4. The 15-pin connector coming from

your monitor must be inserted into the unit on the rear panel.

Connect it to the 15 pin HDDB connector labeled

=MONITOR=.

Step 3.Connect your PS/2 keyboard and PS/2 mouse to the front

panel of the DKVM-2/4. The connections should be made to

the two 6-pin Mini DIN connectors labeled =CONSOLE= as

shown below.

Step 4.Now the PC connections will be made with the monitor (VGA)

connections. Connect a VGA cable (15-pin HDDB Male /

Male) with the Male side to both the PC and to the connector

labeled VGA on the rear panel of the DKVM-2/4 unit. Repeat

this for all PCs.

Step 5.Now connect the PS/2 mouse cables from your computers to

the DKVM-2/4 unit. Connect a mouse cable (6-pin Mini DIN

Male / Male) to the PC and to the connector with the mouse

symbol on the rear panel of the DKVM-2/4 unit. Repeat this for

all PCs.

Step 6.To finish the hardware installation, connect the PS/2 keyboard

cables from your computers to the DKVM-2/4 unit. Connect a

keyboard cable (6-pin Mini DIN Male / Male) to the PC and to

the connector with the keyboard symbol on the rear panel of

the DKVM-2/4 unit. Repeat this for all PCs.

Step 7.Now make sure to verify all cables. In particular, keyboard and

mouse cables should be checked because they are easily

switched and they use the same type of connector.

Step 8.Attach the power supply to the DKVM-2/4 unit and plug it into

a power outlet. You will see the LED for Port 1 light up, and

you will hear a beep. Switch on your monitor.

Step 9.Now power up all computers simultaneously. The first

computer that is connected to port PC1 will be shown on the

monitor. You may check to see if the mouse and keyboard

work after the system has booted up. If this is OK, use the

“Select” button to choose the next computer and verify the

functionality in the same way. If you find errors, re-check all

cables for proper connections before going to the

troubleshooting section of this manual.

Note: Please do not switch the PC port (i.e. Do not press the push

button of KVM switch or run hot key) while the computers

are under their boot-up process.

Normally, during boot-up process, each PC will

communicate with the keyboard and mouse. If you switch

PC ports on the KVM at this moment, it will cause

communication errors or initialization failures between PC

and keyboard or mouse.

Using the DKVM-2/4

The DKVM-2/4 switch unit provides two ways to select which computer

is the active system. Use either the “Select” button on the unit, or

make use of the keyboard “Hot key” commands.

You may notice that the mouse cannot be used for around 2 seconds

when the DKVM-2/4 switches to another computer. This is normal and

is caused by synchronization that makes sure the mouseoperates

properly.

“SELECT”BUTTON

Pressing the Select button cycles through computers 1 ~ 2/4

KEYBOARD “HOT KEY COMMANDS

To send “Hot Key” commands to the DKVM-2/4 unit, press the

SCROLL LOCK Key twice within 2 seconds.

You will be given a beep as confirmation. Now press a command key

to give a “Hot Key” command. The following commands are supported:

FIRST KEY SECOND KEY THIRD KEY COMMAND

SCROLL LOCK SCROLL LOCK 1Switch to First PC

SCROLL LOCK SCROLL LOCK 2Switch to Second PC

SCROLL LOCK SCROLL LOCK 3Switch to Third PC

SCROLL LOCK SCROLL LOCK 4Switch to Fourth PC

SCROLL LOCK SCROLL LOCK ?Switch to Previous PC

SCROLL LOCK SCROLL LOCK ?Switch to Next PC

SCROLL LOCK SCROLL LOCK SGo to Auto Scan mode

In Auto-Scan mode, the DKVM-2/4 unit will switch to the next

computer every 10 seconds. This means that all computers will be

shown on the monitor in a row, starting with the first computer after the

last one has been shown.

In this mode, there is no mouse or keyboard control, which is needed

to prevent errors. Erratic input will result if a mouse move or keyboard

key press is given just as the unit switches to the next computer.

To exit Auto-Scan mode, press the SPACE BAR. The DKVM-2/4 will

stop at the last computer shown.

OPTIONAL CABLE

Model No. DKVM-CB 6 feet (180cm) 3-in-one Cable kit is available for

DKVM-2/4 KVM switch. Visit www.dlinkshop.com for details.

Troubleshooting

KEYBOARD

My keyboard is not detected, or a keyboard error is given during

boot-up. What can be the cause?

Please verify that the keyboard cables are inserted properly.

The computers all boot up properly, but the keyboard is not

functional. What can be the cause?

One of the following may be the case:

§Make sure the keyboard is plugged into the DKVM-2/4 unit

properly.

§Verify that the keyboard works when plugged into the computer

directly. (You will have to shut down your computer first to do

this).

§Try using a different keyboard.

§Read your motherboard documentation and make sure that the

PS/2 keyboard IRQ is enabled. (This can be set for most

computers in the BIOS setup pages)

MOUSE

My mouse is not detected during boot up. What can be the

cause?

One of the following may be the case:

§Please verify that all mouse cables are inserted properly. Check

especially for a mix-up with the PS/2 keyboard cable, they have

the same kind of connector and are therefore easily confused.

§Read your motherboard documentation and make sure that the

PS/2 mouse IRQ is enabled. (This can be set for most

computers in the BIOS setup pages)

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