User`s manual

3 Video Connection

1. rce’s DVI output port to the DVI switch’s DVI input port using standard

necting the cables)

output port. Make sure your DVI

ded).

ch’s power input port.

er supply into the wall outlet.

. Use your remote control unit to switch channels. Or use the select button on the front panel of

If you use digital audio switching output, must connect all digital audio (coaxial type) inputs with

witcher .

the user to interface the DVI LINK switch with a serial port on a computer

r other control device. The computer or other control device may require additional software for

S232 Control Information

VIDEO CONNECTION

Connect your video sou

DVI cables(not included). Make sure all your DVI sources and the display is turned off before

connecting the cables)

2. Connect your DVI display’s DVI input port to DVI switch’s DVI output port. Make sure your D

display is turned off before con

3. Connect your DVI source’s audio output port to the switch’s audio input port using standard

audio cables(not included)

4. Connect your DVI display’s audio input port to switch’s audioI

display is turned off before connecting the cables(not inclu

5. Plug the 5V power supply into the swit

6. Plug the 5V wall mount pow

7. Turn on your display.

Turn on your DVI sources.

the switch to change channels.

RS232 CONTROL CONNECTION

RS232 connection allows

various control functions.

ontrol computer's RS232 pin# 2 is connected to our DVI switch's pin#3

onnected to our DVI switch's pin#2

hannel 3 request is ascii code "@003*" and the response back to the computer is "!"

hannel 4 request is ascii code "@004*" and the response back to the computer is "!"

Our DS-21RA use pin#2 and #3 and the assignments are as follows;

Control computer's RS232 pin# 3 is c

The control protocols are as follows;

Channel 1 request is ascii code "@001*" and the response back to the computer is "!"

Channel 2 request is ascii code "@002*" and the response back to the computer is "!"