Axiomtek GOT3126T-834 - Manual (Page 29)

GOT3126T-834 User’s Manual
Hardware and Installation 23
The system has four serial ports. They are RS-232/422/485 ports. Please
refer to below table for the detail of pin assignment.
Pin RS-232 RS-422 RS-485
COM port
1 DCD, Data Carrier Detect TX- Data-
2 RXD, Receive Data
TX+ Data+
3 TXD, Transmit Data
RX+ No use
4 DTR, Data Terminal Ready RX- No use
5 GND, Ground
No use No use
6 DSR, Data Set Ready
No use No use
7 RTS, Request To Send
No use No use
8 CTS, Clear To Send
No use No use
9 RI, Ring Indicator
No use No use
2.4 Ethernet
The GOT3126T-834 is equipped with a high performance Plug and Play Ethernet interface, full
compliant with IEEE 802.3 standard, and can be connected with a RJ-45 LAN connector.
Please refer to detailed pin assignment list below:
Pin Signal
1 2 3 4 5 6 7 8
RJ-45
1 TX+ (Data transmission positive
2 TX- (Data transmission negative)
3 Rx+(Data reception positive)
4 RJ45 termination
5 RJ45 termination
6 Rx- (Data reception negative)
7 RJ45 termination
8 RJ45 termination