Dfi EC300 Series Manual de usuario Pagina 57

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57
4
Jumper Settings
VGA
COM1 and COM2 RS232/Power Select
JP12
JP14
1
6
5
2
JP12 (COM1) and JP14 (COM2) are used to con gure COM1 and COM2 to pure
RS232 or RS232 with power.
The pin function of COM1 and COM2 will vary according to JP12’s and JP14’s set-
ting respectively.
JP12 / JP14
COM 1 / COM 2
1-3, 2-4 On:
RS232 (default)
64
2
531
3-5(+12V), 4-6(+5V) On:
RS232 with power
64
2
531
DCD
TXD
RXD
DTR
GND
12345
689
7
DSR
CTS
RTS
RI
+5V
TD
RD
DTR-
GND
12345
RTS-
+12V
DSR-
CTS-
6789
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