Serial RS-232 RJ-45 Port Pinouts
The following table describes the serial RS-232 RJ-45 pin signal and
direction.
|
|
|
|
|
1
|
RTS
|
Output
|
Request to send
|
|
2
|
DTR
|
Output
|
Data terminal ready
|
|
3
|
TxD
|
Output
|
Transmit data
|
|
4
|
GND
|
N/A
|
Signal ground
|
|
5
|
DCD
|
Input
|
Data
|
|
6
|
RxD
|
Input
|
Receive data (data in)
|
|
7
|
DSR
|
Input
|
Data set ready
|
|
8
|
CTS
|
Input
|
Clear to send
|
|