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MatrixPRO • 16x16 and 8x8 HD/SD-SDI Router • User’s Guide 61
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RS-232/485 Remote Control Connections
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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
DB25 RS-232 RS-485
1 Shield Shield
2TxDT(-)
3RxDR(-)
4RTSN/A
5CTSN/A
6DSRN/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
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