User`s manual

33
2
Hardware Installation
COM1 and COM2 Port
COM1
COM1andCOM2
DCD- TD RD DTR- GND
1 2 3 4 5
RTS-
RI-
DSR-
CTS-
6 7 8 9
COM1andCOM2arexedatRS232.
COM4
COM1 and COM2’s pin denition will vary according to JP3 and JP4’s settings.
Referto “COM1 and COM2 RS232/RS422/RS485 Select” in this chapter for more
information.
Theserialportsare asynchronous communicationportswith16C550A-compatible
UARTs that can be used with modems, serial printers, remote display terminals,
andotherserialdevices.
Connecting External Serial Ports
YourCOMport maycomemounted onacard-edgebracket.Installthecard-edge
brackettoan available slot at the rear of the system chassis then insert the se-
rial port cable to a COM connector. Make sure the colored stripe on the ribbon
cableisalignedwithpin1oftheCOMconnector.
BIOS Setting
Congurethe serial ports in the AdvancedmenuoftheBIOS.Refertochapter3
formoreinformation.
1
9
2
DCD-
TD
GND
RTS-
RI-
RD
DTR-
DSR-
CTS-
COM2