Pinout For Com Ports & Dc-In Power Connector - IBASE Technology AGS100 User Manual

2.1.5 Pinout for COM Ports & DC-In Power Connector
2.1.5.1. COM1 & COM2 RS232/422/485 Ports
COM1 and COM2 ports are jumper-less and configurable in BIOS.
Pin Assigment
1 DCD, Data carrier detect
2 RXD, Receive data
3 TXD, Transmit data
4 DTR, Data terminal ready
5 Ground
Pin
RS-232
1 DCD
2 RX
3 TX
4 DTR
5 Ground
6 DSR
7 RTS
8 CTS
9 RI
16
➔
Pin
6
7
8
9
Assignment
RS-422 RS-485
TX- DATA-
TX+ DATA+
RX+ NC
RX- NC
Ground Ground
NC NC
NC NC
NC NC
NC NC
9 6
5 1
Assigment
DSR, Data set ready
RTS, Request to send
CTS, Clear to send
RI, Ring indicator
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