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Rear I/O Module CP-RIO6-05
CP605
Page A - 10
© 2004 Kontron Modular Computers GmbH
ID 25095, Rev. 07
2509
5.07.UG.VC.041005/14253
9
A.6.4
Serial Port Interfaces
The serial port interfaces COM1 (CON14) and COM3 (CON13) are situated on the front panel
of the rear I/O, while COM2 (CON18) and COM4 (CON17) are onboard.
Figure A-7:Serial Connectors CON13 and CON14
Two PC-compatible serial 9-pin D-sub ports are available with 5V
charge-pump technology eliminating the need for a +12V and -12V sup-
ply. The two COM ports, which are fully compatible with the 16550 con-
troller, include a complete set of handshaking and modem control signals,
maskable interrupt generation and data transfer of up to 460.8 kB/s.
The functions of each serial port interface are shown in the following table:-
A.6.4.1
Serial Port Connectors CON18 and CON17 Pinout
The following table gives the pinout of the optional onboard flatcable pinrow connectors CON18
(COM2) and CON17 (COM4).
Table A-4: Functions of the Serial Port Interfaces
INTERFACE
FUNCTION
COM1
RS232
COM2
RS232
COM3
RS232
COM4
RS232
Table A-5: Serial Port Connectors CON18 (COM2) and CON17 (COM4) Pinout
PIN
RS232
1
DCD
2
DSR
3
RXD
4
RTS
5
TXD
6
CTS
7
DTR
8
RIN
9
GND
10
NC
1
5
6
9