32
PT-S959SDLX / PT-S959SDLXC Series User’s Manual
Table 4.12. RS-232C/422/485 SERIAL Port Connector
Connector type
9-pin D-SUB (MALE)
Pin No.
RS-232C
RS-422
RS-485
1
DCD
TX-
TX-/RX-
2
RX
TX+
TX+/RX+
3
TX
RX+
---
4
DTR
RX-
---
5
GND
GND
GND
6
DSR
RTS-
---
7
RTS
RTS+
---
8
CTS
CTS+
---
9
RI
CTS-
---