Com1 & Com2 Rs-232/422/485 Ports (Cn3) - IBASE Technology IP413 Series User Manual

2.4.3 COM1 & COM2 RS-232/422/485 Ports (CN3)
Pin Assigment
1 DCD, Data carrier detect
2 RXD, Receive data
3 TXD, Transmit data
4 DTR, Data terminal ready
5 Ground
20
COM1:
COM2:
Pin Assigment
6 DSR, Data set ready
7 RTS, Request to send
8 CTS, Clear to send
9 RI, Ring indicator
1 5
6 9
1 5
6 9
IP413 User's Manual