Kontron CP-RIO3-04S, User Manual

Page: 26 / 38

Functional Description CP-RIO3-04S
Page 2 - 6 ID 1036-1669, Rev. 1.0
The following figure illustrates the onboard serial port connector J3 (COM2).
Figure 2-4: Serial Port Connector J3 (COM2)
The following table indicates the pinout of the onboard serial port connector J3 (COM2).
Table 2-4: Serial Port Connector J3 (COM2) Pinout
PIN SIGNAL DESCRIPTION I/O
1 DCD Data carrier detect I
2 DSR Data set ready I
3 RXD Receive data I
4 RTS Request to send O
5 TXD Transmit data O
6 CTS Clear to send I
7 DTR Data terminal ready O
8 RI Ring indicator I
9 GND Signal ground --
10 NC Not connected --
J3
COM 2
1
9
10
2