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針腳定義
RJ45 Pin
RS_232
2
DCD#
4
RX#
6
TX#
8
DTR#
9
GND
3
DSR#
5
RTS#
7
CTS#
10
RI#
1
- - -
Pin
Signal
1
Data Carrier Detect
2
Received Data
3
Transmitted Data
4
Data Terminal Ready
5
Signal Ground
RS_485
RS_422
RS485_TXRX-
RS422_TX-
RS485_TXRX+
RS422_TX+
NC
RS422_RX+
NC
RS422_RX-
GND
GND
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
Pin
Signal
6
Data Set Ready
7
Request to Send
8
Clear to Send
9
Ring Indicator
35
DB9 Pin
1
2
3
4
5
6
7
8
9
- - -
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