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eIVP-CFS-IV-V0004
9
COM 2
COM 3
COM 4
RS-422 (9-wire)
RS-485
RS-485 w/z auto-flow control
The pin assignments are listed in the following table:
Serial
Port
Pin No. RS-322
RS-422
(5-wire)
RS-422
(9-wire)
RS-485
(3-wire)
1 to 4
1
DCD
TXD-
TXD-
DATA-
2
RXD
TXD+
TXD+
DATA+
3
TXD
RXD+
RXD+
-----
4
DTR
RXD-
RXD-
-----
5
GND
GND
GND
GND
6
DSR
-----
RTS-
-----
7
RTS
-----
RTS+
-----
8
CTS
-----
CTS+
-----
9
RI
-----
CTS-
-----
Содержание eIVP-CFS-IV-V0004
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