KM USB synchronous switch controller KVM Switcher USB



1.Product introduction

This is a KM USB synchronous switching controller, which can achieve KM switching function or synchronization function. 


Support a set of USB keyboard, mouse can control more than one computer at the same time, or separate control, data command synchronization, can adapt to a variety of complex application environment. 


The device has signal processing and transmission capacity, so that the transmission signal more smooth and stable, is a reliable, high-performance, efficient USB switching mode.


2.Main features

*realize four-channel USB interface to choose one of four free switching or one-button four-port synchronous control;

*support USB2.0 full speed technology, speed up to 12Mbps, no need to drive;

*compatible with Windows, Linux, android, OS, netware operating systems;

*you can switch between hotkey mode and synchronizer button mode, which is convenient and fast;

*support mouse penetration;

*is both a synchronizer and a KM switcher;

*built-in ESD electrostatic protection circuit, all-around protection system security;

*easy installation, plug and play, no need to set;


3.Equipment list:

KM USB sync switch controller host-------- 1

USB wire ---------1 set

Use the caption---------1


4.Technical parameters

Product name: KM USB synchronous switch controller 

Shell: hardware

Input interface: usb-b port (square USB port)

 Output interface: usb-a port4 PCS (8 PCS) (16 PCS) (according to purchased products) 

Propagation speed: USB2.0 full speed technology 

Working temperature range: - 5 to + 65 ° C

Working humidity range: 5~90%RH(uncompressed) 

Compatible systems: Windows, Linux, android, OS, Netware

Function :mouse crossing function, hotkey switch

               Mouse and keyboard synchronization control, mouse and keyboard switching control

KVM features :mouse and keyboard sharing



5.Use of hot keys


Power on: it is in the synchronous mode by default, and the hot key is turned on.


factory data reset


Method 1: press the Reset button, press the "Reset" button, the LED indicator lights all off, the LED indicator lights up again, the indicator can be used


Method 2: disconnect all devices and then reconnect Switching function: software update (keypad *)


*+1 // press "*" and "1" of the keypad successively, and release "1" and "*" at the same time; Let's switch to PC1, which is the first row


*+2 // press "*" and "2" on the keypad successively, and then release "2" and "*"; Switch to PC2, the second circuit


*+3 // press "*" and "3" on the keypad successively, and then release "3" and "*" at the same time; Switch to PC3, the third way


*+4 // press "*" and "4" on the keypad successively, and then release "4" and "*" at the same time; Switch to PC4, the fourth way


Synchronization function:


*+0 // sync function on/off (or "scroll" + "scroll" + "0") (according to the purchased version)


Crossing function:


Press "*" and "S" and release "S" and "*" to move the cursor from the edge of the screen on the first computer to the other computer. 


You can go back and forth between four computers.(only left-right crossing, namely PC1>PC2>PC3>PC4>PC1, is supported)


Note: now the km synchronizer will turn on the synchronization function by default after it is powered on, so that it can be used regardless of which USB port is connected. To turn off the synchronization function, only "*"+0 is needed.


Coordinate model


Mouse absolute coordinate mode:"*" + "F9" 

Mouse relative coordinate mode: "*" + "F10"


Double scroll function: 

scroll+a~z => set or cancel the double scroll function;

Scroll +esc is the function of canceling the continuous key;


When: scroll+a will set the keyboard a key has the function of continuous stroke, and then operate scroll+a again to cancel the function of continuous stroke of a key.

Scroll plus a, scroll plus b, scroll plus c simultaneously set a, b, c these three keys have the function of continuous stroke, when performing scroll plus ESC simultaneously a, b, c key continuous stroke function.


Tips: the above quick switching mode is for reference only;

The product will be updated irregularly, and the shortcut keys will change after the upgrade. Please refer to the latest software function description







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