Summary of the content on the page No. 1
DKVM-2/4
2/4-Port Keyboard, Video,
and Mouse Switch
User’s Manual
Rev. 1.2
Summary of the content on the page No. 2
Contents Introduction......................................................1 Product Features .............................................2 Package Contents ...........................................2 Hardware Installation.......................................3 Front Panel Layout....................................................3 Rear Panel Layout ....................................................3 Using the DKVM-2/4........................................9 “Select” button......
Summary of the content on the page No. 3
Introduction Thank you for purchasing the DKVM-2/4 KVM Switch. This product will ensure easy and accurate control over 2 or 4 PCs through a single console. The DKVM-2/4 is compatible with mouse 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
Summary of the content on the page No. 4
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
Summary of the content on the page No. 5
Hardware Installation This section will explain how to connect the console and the computers to the D-Link KVM 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. 3
Summary of the content on the page No. 6
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 conven
Summary of the content on the page No. 7
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. 5
Summary of the content on the page No. 8
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
Summary of the content on the page No. 9
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
Summary of the content on the page No. 10
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
Summary of the content on the page No. 11
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 mouse operates properly. “SELECT” BUTTON Pressing the Select button cycles through comput
Summary of the content on the page No. 12
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: THIRD FIRST KEY SECOND KEY COMMAND KEY SCROLL LOCK SCROLL LOCK 1 Switch to First PC SCROLL LOCK SCROLL LOCK 2 Switch to Second PC SCROLL LOCK SCROLL LOCK 3 Switch to Third PC (disable with DKVM-2) SCROLL LOCK SCROLL LOC
Summary of the content on the page No. 13
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. 11
Summary of the content on the page No. 14
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 wi
Summary of the content on the page No. 15
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) The computers boot properly but I c
Summary of the content on the page No. 16
When I switch between computers, mouse movement becomes random. What can be the cause? One of the following may be the case: Verify that your computers do not have more than one mouse driver installed. Make sure that the driver is for a standard PS/2 or fully Microsoft compatible PS/2 mouse. Also check with the mouse vendor to verify you are using the latest mouse driver. Check your config.sys and autoexec.bat files (if you run Windows that is) and verify that only one mouse dr
Summary of the content on the page No. 17
Please verify that all video cables are inserted properly. It may be that your resolution or refresh rate is too high. Try a lower refresh rate, or try lowering the resolution. Your video cable may be too long. Video signals are high frequency signals and are therefore subject to interference. Please use video cables that are as short as possible. Make sure that the power adapter is plugged in at both ends and that it is working correctly. Its rating must be 9V 600mA. 15
Summary of the content on the page No. 18
Specifications Physical Properties: DKVM-2 DKVM-4 Width: 119mm Width: 185mm Height: 46mm Height: 46mm Depth: 105mm Depth: 105mm Weight: 478g Weight: 684g Operation and Storage parameters: Operating Temperature: 0~40 Degrees C (32 to 104 Degrees F) Storage Temperature: -20~60 Degrees C (-4~140 Degrees F) Humidity: 0~80% RH non condensing PC port connections Keyboard: Mini DIN 6 pin Female Mouse: Mini DIN 6 pin Female Monitor: HDDB 15 pin Female
Summary of the content on the page No. 19
Offices AUSTRALIA D-LINK AUSTRALIA Unit 16, 390 Eastern Valley Way, Roseville, NSW 2069, Australia TEL: 61-2-9417-7100 FAX: 61-2-9417-1077 TOLL FREE: 1800-177-100 (Australia), 0800-900900 (New Zealand) E-MAIL: support@dlink.com.au, info@dlink.com.au URL: www.dlink.com.au BENELUX D-LINK BENELUX Fellenoord 130, 5611 ZB Eindhoven, The Netherlands TEL: 31-40-2668713 FAX: 31-40-2668666 E-MAIL:info@dlink-benelux.nl, info@dlink-benelux.be URL: www.dlin
Summary of the content on the page No. 20
LIMITED WARRANTY D-Link provides this limited warranty for its product only to the person or entity who originally purchased the product from D-Link or its authorized reseller or distributor. Limited Hardware Warranty: D-Link warrants that the hardware portion of the D-Link products described below (“Hardware”) will be free from material defects in workmanship and materials from the date of original retail purchase of the Hardware, for the period set forth below applicable to the product
