User Manual
Table Of Contents
- Table of Contents
- Safety Instructions
- Copyright
- Trademarks
- Introduction
- Features
- Package contents
- System requirement
- Product overview
- Connection
- DIN mounting kit installation
- Pin assignment
- Using SEC (Serial-to-Ethernet Connector)
- Quick starting guide
- Serial to Ethernet Toolkit
- Web console
- Telnet console
- Regulatory compliance
- Specification
13
Pin assignment
RJ45 Pin assignment
Pin RS-232 RS-422 RS-485
(4-wire)
RS-485
(2-wire)
1 DSR RXD- RXD- ---
2 RTS RXD+ RXD+ ---
3 GND GND GND GND
4 TXD --- --- ---
5 RXD --- --- ---
6 DCD TXD- TXD- Data-
7 CTS --- --- ---
8 DTR TXD+ TXD+ Data+
8 1
DB9 Pin assignment
Pin RS-232 RS-422 RS-485
(4-wire)
RS-485
(2-wire)
1 DCD TxD-(A) TxD-(A) Data-(A)
2 RxD --- --- ---
3 TxD --- --- ---
4 DTR TxD+(B) TxD+(B) Data+(B)
5 GND GND GND ---
6 DSR RxD-(A) RxD-(A) ---
7 RTS RxD+(B) RxD+(B) ---
8 CTS --- --- ---
9 --- --- --- ---
1 5
6 9