DFI CS331-C246, Руководство пользователя, Страница: 16 / 76

www.dfi.com CS331-C246/Q370
Chapter 2 - Hardware Installation
16
COM1/COM2 RS232/422/485 Select
2
2
G2
I C
Ba
ttery
JP1/JP2/JP3 (for COM 1) and JP6/JP8/JP10 (for COM 2) are used to configure the COM ports
to RS232, RS422 (Full Duplex) or RS485. When COM 1 RS232/422/485 is selected, JP1 and
JP2 must be set in accordance to JP3. When COM 2 RS232/422/485 is selected, JP6 and JP8
must be set in accordance to JP10. The pin functions of the COM ports will vary according to
the jumpers’ setting.
COM 2
COM 1
JP8 (COM 2)
2
1 9
JP1 (COM 1)
JP3
(COM 1)
JP2
(COM 1)
JP6 (COM 2)
JP10 (COM 2)
▼ JP3 (COM1)/JP10 (COM2)
▼ COM 1/COM 2
1 2 3 4 5
6 7 8 9
1-3, 4-6 On:
RS232 (default)
3-5, 4-6 On:
RS422 Full Duplex
3-5, 2-4 On:
RS485
2 4 6
1 3 5
2 4 6
1 3 5
2 4 6
1 3 5
2
1
9
Pin RS232 RS422 Full Duplex RS485
1
DCD- RX+ DATA+
2
SIN- RX- DATA-
3
SO- TX+ NC
4
DTR- TX- NC
5
GND GND GND
6
DSR- NC NC
7
RTS- NC NC
8
CTS- NC NC
9
RI- NC NC
▼ JP1/JP2 (COM 1)
1-3, 2-4 On:
RS232 (default)
3-5, 4-6 On:
RS422 Full Duplex
3-5, 4-6 On:
RS485
▼ JP6/JP8 (COM 2)
2 4 6
1 3
5
2 4 6
1 3 5
2 4 6
1 3 5
1-3, 2-4 On:
RS232 (default)
3-5, 4-6 On:
RS422 Full Duplex
3-5, 4-6 On:
RS485
2 4 6
1 3 5
2 4 6
1 3
5
2 4 6
1 3 5
► Jumper Settings