B&R MAPPC700A-ENG - Serial Interface COM2

Technical data • Entire device
Chapter 2
Technical data
73Panel PC 700 with 945GME N270 CPU board User's Manual V 1.16
2.4.2 Serial interface COM2
I/O address and IRQ
The setting for the I/O address and the IRQ can be changed in the BIOS setup (under
"Advanced" - submenu "I/O Device Configuration" setting "Serial port B"). Please note any
potential conflicts with other resources when changing this setting.
Serial interfaces - COM2
Type RS232, modem-capable, not
electrically isolated
9-pin DSUB, male
UART 16550 compatible, 16 byte
FIFO
Transfer rate Max. 115 kBaud
Pin Assignment
1 DCD
2RXD
3TXD
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Table 30: Pin assignments - COM2
Resource Default setting Additional setting options
I/O address 2F8 3F8, 3E8, 2E8
IRQ IRQ3 IRQ4
Table 31: COM2 - I/O address and IRQ
COM2
1
5
6
9