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Appendix 3 rs-232 serial port pinout, Ppendix, 3 rs-232 – Datavideo SE-4000 8-Channel 4K Video Switcher User Manual

Page 121: Erial, Inout, Appendix 3

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121

Appendix 3

RS-232 Serial Port Pinout

The user is allowed to connect a custom keyboard controller to the SE-4000 via RS-232
interface (the user may also enable RS-422 if necessary). The table below provides the RS-232
serial port pinout on the device end (SE-4000). Note that the RS-232 port is a 9 pin D-sub
female connector.

Pin No.

Signal

Pin 1

GND

Pin 2

TXD (RS-232)

Pin 3

RXD (RS-232)

Pin 4

GND

Pin 5

GND

Pin 6

GND

Pin 7

TXD (RS-422)

Pin 8

RXD (RS-422)

Pin 9

GND


You may download the RS-232 control protocol from the product page.