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13 rs-232 serial communication, Rs-232 serial communication – Gefen EXT-DVIKVM-841DL User Manual

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13

RS-232 SERIAL COMMUNICATION

What features are available via the RS-232 serial communications port?
The 8x1 DVI KVM DL Switcher can accept commands through the RS-232 serial

communications port located on the rear panel. The current RS-232 control

features are:

Switching/routing of inputs to outputs without the RMT-8IR remote control.

Switch EDID modes without operating the DIP switches on the underside of

the unit.

Managing the EDID bank and EDID that is loaded into the LOCAL EDID.

Upload new EDID’s to the EDID bank or directly to the LOCAL EDID

location.

How do I use these features?
These features were initially intended for utilization by custom installers in

automated setups. However, these features can be tested by using any computer

with a terminal emulation program.

What pins are used for communication with the 8x1 DVI KVM DL Switcher?
Only pins 2 (Receive), 3 (Transmit), and 5 (Ground) are used for communication.

A null-modem adapter should not be used with this product.

5 4 3 2 1

9 8 7 6

1 2 3 4 5

6 7 8 9

Only Pins 2 (RX), 3 (TX), and 5 (Ground) are used on the RS-232 serial interface

What are the communication port settings?
Bits per second ............................................................................................ 19200
Data bits ............................................................................................................... 8
Parity ............................................................................................................. None
Stop bits ................................................................................................................1
Flow Control .................................................................................................. None