Kontron CP-RIO3-05 - Manual (Page 29)

CP-RIO3-05 Functional Description
ID 1044-0711, Rev. 1.0 Page 2 - 7
P R E L I M I N A R Y
The following figure and tables provide pinout information for the onboard COM connectors J2
and J3.
Figure 2-5: Onboard Serial Port Connectors J2 (COM1) and J3 (COM2)
Table 2-5: D-Sub COM Connector J3a (COM2) Pinout
RS-232
PIN
RS-422
I/O DESCRIPTION SIGNAL SIGNAL DESCRIPTION I/O
-- Not connected NC 1 NC Not connected --
I Receive data RXD 2 RXD+ Receive data + I
O Transmit data TXD 3 TXD- Transmit data - O
-- Not connected NC 4 NC Not connected --
-- Signal ground GND 5 GND Signal ground --
-- Not connected NC 6 NC Not connected --
O Request to send RTS 7 TXD+ Transmit data + O
I Clear to send CTS 8 RXD- Receive data - I
-- Not connected NC 9 NC Not connected --
Note ...
The RS-232 signals DCD, DTR, DSR, and RI are not supported on the J3
connector.
J3
COM2
J2
COM1
1
9 10
2
1
9 10
2