User guide

USR4204 User Guide
Page 41 of 52
Appendix A
Terminal Port and Serial Port RJ45 Pinout
Terminal Port RJ45 Pinout
Serial Port RJ45 Pinout
RJ45 Pin
Symbol
Description
Direction
1
RTS
Loop to pin 8
Output
2
DTR
Data Terminal Ready
Output
3
TXD
Transmit Data
Output
4
GND
Ground
-
5
GND
Ground
-
6
RXD
Receive Data
Input
7
DSR
Data Set Ready
Input
8
CTS
Loop to pin 1
Input
RJ45 Pin
Symbol
Description
Direction
1
CTS
Loop to pin 8
Input
2
DTR
Loop to pin 7
Input
3
RXD
Receive Data
Input
4
GND
Ground
-
5
GND
Ground
-
6
TXD
Transmit Data
Output
7
DSR
Loop to pin 2
Output
8
RTS
Loop to pin 1
Output