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Kramer K202B [20/22] Keyboard

Secure 2-Port KVM Switch User Manual

 Check that the video-cable length does not exceed 15 feet

(4.6m).

 Connect the display directly into the computer you are

having trouble with to see if the problem still appears

Keyboard

Problem: Keyboard and mouse are not working (two channels)

Solutions:

 Check that computer USB and video cables are not crossed

(i.e. computer #1 video connected to KVM port #1 while USB

cable is connected to KVM port #2).

Problem: Keyboard does not work (all channels)

Solutions:

 Check that the keyboard you are using is connected properly

to the Switch.

 Check that the USB cable between the Switch and the

computer is completely connected.

 Try connecting to a different USB port on the computer.

 Make sure the keyboard works when directly plugged into

the computer (the HID USB driver is installed on the

computer).

 Rebooting may be necessary when trying this.

 Make sure you are not using a wireless keyboard or a

keyboard with an integrated USB hub or other USB-

integrated devices. These are not supported by the switch

due to security policy.

 If the computer is coming out of standby mode, allow up to

one minute to regain mouse function.

 Try a different keyboard.

Problem: Keyboard Caps Lock and Num Lock LEDs are not working

Solutions:

This is a normal behavior – HSL Secure KVM Switch blocks all

communications from computers to the keyboard to prevent certain

potential data leakages.

Problem: Certain keyboard functions are not working

Solutions:

Some non-standard keyboard functions are disabled by the switch to

prevent security risks. Contact HSL support for latest compatibility

list.

Mouse

Problem: Mouse and keyboard are not working (two channels)

Solutions:

 Check that computer USB and video cables are not crossed

(i.e. computer #1 video connected to KVM port #1 while USB

cable is connected to KVM port #2).

Problem: Mouse is not working (all channels), keyboard is working.

Solutions:

 Check that keyboard is not plugged into mouse port (and

mouse not plugged into keyboard port).

Problem: Mouse does not work (all channels)

Solutions:

Kramer K202B [20/22] Keyboard

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