APÉNDICE 3
En las siguientes tablas se indica los pin out de algunos equipos en RS-232, RS-
422 y RS-485.
DB9 RS-232
1 CD carrier detect (i)
2 RxD Receivedata
3 TxD Transm. data (o)
4 DTR Data term. Rdy
5 GND Signal Ground
6 DSR Data set Ready (i)
7 RTS Request to Send
8 CTS Clear to Send (i)
9 RI Ring Indicator
DB25 RS-232
2 TxD Transm. data (o)
3 RxD Receivedata
4 RTS Request to Send
5 CTS Clear to Send (i)
6 DSR Data set Ready (i)
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(i)
(o)
(o)
(i)
(i)
(o)
DATACONCommunication converter
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