DFI EC300 Series, User Manual

Page: 63 / 208

63
4
Jumper Settings
Jumper Settings - IO Board
EC300/310/320/321/322-CRA060
COM 3 to COM 10 RS232/RS422/RS485 Select
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) to JP8 (for COM 10) 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 the jumper’s setting.
JP1 / JP2 / JP3 / JP4 / JP5 / JP6 / JP7 / JP8
6 4 2 6 4 2
5 3 1 5 3 1
COM 3
(JP1)
COM 4
(JP2)
RS232
RS422
Full Duplex
RS485
COM 3 / COM 4 / COM 5 / COM 8 / COM 9 / COM 10
RT
S
TXD CT
S
RXD GND
1 2 3 4 5
COM 5
(JP3)
COM 6
(JP4)
COM 7
(JP5)
COM 8
(JP6)
COM 9
(JP7)
COM 10
(JP8)
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 6 / COM 7
DCD TXD RXD DT
R
GND
1 2 3 4 5
6 8 9
7
DSR
CT
S
RT
S
RI
RX+ TX+ RX
-
TX
-
GND
1 2 3 4 5
6 8 9
7
N.C. N.C. N.C. N.C.
D
ATA
+
N.C. D
ATA
-
N.C. GND
1 2 3 4 5
6 8 9
7
N.C. N.C. N.C. N.C.
JP1
JP2 JP3 JP4 JP5 JP6 JP7 JP8