Barco 8x8 Manual De Usuario

RS-232/485 Remote Control Connections

The RS-232 or RS-485 serial port can be connected to a computer to support remote 
control of the MatrixPRO unit.  The Electronics Industry Association (EIA) has produced 
standards for RS-232 and RS-485 that describe serial data communications.  

Figure B-1.  Remote Port Connector, DB-25

Below is the pinout for both RS-232 and RS-485 with the DB-25 connector:  

Table B-1.  RS-232 and RS-485 Pinouts

1

Shield

Shield

2

TxD

T(-)

3

RxD

R(-)

4

RTS

N/A

5

CTS

N/A

6

DSR

N/A

7

Sig Gnd

Sig Gnd

8

DCD

N/A

10

N/A

N/A

12

N/A

N/A

14

N/A

T(+)

15

N/A

N/A

16

N/A

R(+)

19

N/A

N/A

20

DTR

N/A

21-25

N/A

N/A

1

13

14

25