I/O Definitions; Serial Ports - Onlogic Karbon 700 Series Product Manual

2 - I/O Definitions

2.1 - Serial Ports

The serial port mode and voltage between Off/5V/12V on Pin 9 on Karbon 700 can be selected in the
BIOS configuration. The serial ports support RS-232, RS-422, and RS-485 configurations. Refer to the
BIOS manual for configuration instructions.
NC = Not Connected
Pin RS-232
1 DCD
2 RX
3 TX
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI/PWR
RS-422 RS-485
TX- TX-/RX-
TX+ TX+/RX+
RX+ NC
RX- NC
NC NC
NC NC
NC NC
NC NC
NC/PWR NC/PWR