Com1/Com2 Rs232/Power Select - DFI SD100-H110/Q170 User Manual

COM1/COM2 RS232/Power Select

JP6
(COM 1)
10 9
2 1
COM 2
COM 1
JP6 (for COM 1) and JP8 (for COM 2) are used to configure Serial COM ports to pure RS232
or RS232 with power. The pin functions of COM 1 and COM 2 will vary according to JP6's and
JP8's setting respectively.
Chapter 2 Hardware Installation
JP8
(COM 2)
Chapter 2
1 2
3 4
5 6
1-3 (RI-), 2-4 (DCD-) On:
RS232 (default)
2 4 6
1 3 5
1-3 (RI-), 2-4 (DCD-) On:
RS232 (default)
1 2 3 4 5
6 7 8 9
Pin
1
2
3
4
5
6
7
8
9
16
JP6 (COM 1)
1 2
3
4
5 6
3-5 (+5V), 4-6 (+12V) On:
RS232 with power
JP8 (COM 2)
2 4 6
1 3 5
3-5 (+5V), 4-6 (+12V) On:
RS232 with power
COM 1/COM 2
10 9
1
2
RS232 RS232 with power
DCD- +12V
RXD RXD
TXD TXD
DTR- DTR-
GND GND
DSR- DSR-
RTS- RTS-
CTS- CTS-
RI- +5V
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