DFI EC300 Series, User Manual

Page: 69 / 208

69
4
Jumper Settings
EC300/310/320/321/322-CR6G60
JP1 JP2 JP5
JP8
COM 3
(JP1)
COM 4
(JP2)
COM 5
(JP5)
COM 6
(JP8)
1-2 On: RS232
(default)
3-4 On: RS422
Full Duplex
5-6 On: RS485
6 4
2
5 3 1
JP1 (for COM 3), JP2 (for COM 4), JP5 (for COM 5) and JP8 (for COM 6) are used
to con
fi gure the COM ports to RS232, RS422 (Full Duplex) or RS485.
The pin function of the COM ports will vary according to these jumpers’ setting.
JP1 / JP2 / JP5 / JP8
6 4 2 6 4 2
5 3 1 5 3 1
COM 3 / COM 4 / COM 5 / COM 6
DCD TXD RXD DT
R
GND
1 2 3 4 5
RX+ TX+ RX
-
TX
-
GND
1 2 3 4 5
D
ATA
+
N.C. D
ATA
-
N.C. GND
1 2 3 4 5
COM 3 to COM 6 RS232/RS422/RS485 Select
6 8 9
7
DSR
CT
S
RT
S
RI
6 8 9 7
N.C. N.C. N.C. N.C.
6 8 9 7
N.C. N.C. N.C. N.C.