DFI KD632-C236, User Manual

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15
Chapter 2 Hardware Installation
Chapter 2
Jumper Settings
COM1/COM2 RS232/422/485 Select
JP7 (for COM 1)
JP5 (for COM 1)
COM 1
COM 2
2
1 9
JP3 (for COM 2)
JP1 (for COM 2)
JP2 (for COM 2)
JP6 (for COM 1)
JP5/JP6/JP7 (for COM1) and JP1/JP2/JP3 (for COM2) are used to configure the COM ports to
RS232, RS422 (Full Duplex) or RS485. When COM 1 RS232/422/485 is selected, JP6 and JP7
must be set in accordance to JP5. When COM 2 RS232/422/485 is selected, JP2 and JP3 must
be set in accordance to JP1. The pin functions of the COM ports will vary according to the
jumpers’ setting.
COM 1/COM 2
1 2 3 4 5
6 7 8 9
Pin RS232 RS422 Full Duplex RS485
1
DCD- RX+ DATA+
2
RD RX- DATA-
3
TD 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
2
1
9
1 3
5
2 4 6
JP5 (for COM 1)/JP1 (for COM 2)
1-3, 4-6 On:
RS232 (default)
3-5, 4-6 On:
RS422 Full Duplex
3-5, 2-4 On:
RS485
JP6/JP7 (for COM 1)
1-3, 2-4 On:
RS232 (default)
3-5, 4-6 On:
RS422 Full Duplex
3-5, 4-6 On:
RS485
JP2/JP3 (for COM 2)
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
2 4 6
1 3 5
2 4 6
1 3 5
1 3
5
2 4 6