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Automation PC 620 with 945GME N270 CPU board User's Manual V 1.10
2.13.2 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
1)
1) The interfaces, etc. available on the device or module were numbered accordingly for easy identification. This numbering can differ from
the numbering used by the particular operating system.
Type
RS232, modem-capable, not
electrically isolated
9-pin DSUB, male
UART
16550 compatible, 16 byte
FIFO
Transfer rate
Max. 115 kBaud
Cable length
Max. 15 meters
Pin
Assignment
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
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
Содержание 5PC600.SE00-00
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Страница 568: ...568 Appendix A Glossary Automation PC 620 with 945GME N270 CPU board User s Manual V 1 10...