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Руководства по эксплуатации Страница: 19

Kramer K202B [19/22] General

Secure 2-Port KVM Switch User Manual

Troubleshooting Guide

General

Problem: No power - No video output, none of the front panel LEDs

is illuminating.

Solutions:

 Check that the power supply is properly connected to the mains

socket.

 Check that DC plug is fully inserted into the switch DC jack.

 Check that the device is powered by using optical mouse with

visible red light. If power not available – change power supply.

Problem: Channel select LEDs are blinking. Secure KVM Switch does

not work.

Solutions: Device anti-tampering system was triggered. Change unit

and call HSL technical support.

Problem: KVM does not respond to channel select push buttons.

Solutions:

If RDC is connected then this is a normal behavior. Control the KVM

through the RDC or through keyboard shortcuts.

Video

Problem: No video image in user display (all channels)

Solutions:

 Check that the display is properly powered.

 Check that DVI cable is properly secured at both sides.

 Check at the display on-screen menu that source selected

matches the cable connected to the display.

 Check if display video mode is the same as PC (DVI and DVI

or VGA and VGA).

 Check that display diagnostic LED is steady green – if not –

change display or display cable or call HSL support.

Problem: No video image in user display (specific channel)

Solutions:

 Reboot the computer.

 Check that the video cable connecting computer and KVM is

properly secured at both sides.

 Check that PC video output is sent to the connected video

connector (if PC supports multiple displays).

 Check that PC resolution matches connected display

capabilities.

 Connect the display directly to the PC to confirm that video

output is available and that good image is shown.

Problem: Bad video image quality (some or all channels)

Solutions:

 Check that all video cables are inserted properly to the

Switch, computer, and display.

 Check that cables are original cables supplied by HSL.

 With everything connected, power-cycle the KVM Switch to

reset the video. Make sure the Video Diagnostic LED is solid

green.

 Check that the display that you are using supports the

resolution and refresh-rate setting on your computer.

 Lower the video resolution of your PCs.

Kramer K202B [19/22] General

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