RS-232 SERIAL CONTROL INTERFACE

What features are available via the RS-232 serial communications port?

The 2x2 DPKVM Switch can accept commands through the RS-232 serial communications port located on the rear panel. The current RS-232 control features are:

Switching of inputs.

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 Windows PC with the Hyperterminal program.

What pins are used for communication with the 2x2 DPKVM Switch?

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

1 2 3 4 5

9 8 7 6

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

Switching/Routing Binary Table

 

ASCII 1

2

 

RMT-2IR Button

 

Binary

 

 

 

1

 

 

 

 

00110001

 

 

 

 

 

 

 

2

 

00110010

 

 

11

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Gefen EXT-DPKVM-422 user manual RS-232 Serial Control Interface, Switching/Routing Binary Table, 00110001, 00110010