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ページを印刷するSerial Port Connector – J6
Jupiter-MM-SIO provides a 20-pin header labeled J6 on the left side of the board for the 2 serial ports.
The pinouts below show both serial ports with the same protocol for illustration purposes only. Each port can
be configured independently.
See the following page for signal definitions.
RS-232 Configuration:
DCD 1
1
RXD 1
3
TXD 1
5
DTR 1
7
GND
9
DCD 2
11
RXD 2
13
TXD 2
15
DTR 2
17
GND
19
RS-422 Configuration:
NC
1
TXD+ 1
3
GND
5
RXD+ 1
7
GND
9
NC
11
TXD+ 2
13
GND
15
RXD+ 2
17
GND
19
RS-485 Configuration:
NC
1
TXD/RXD+ 1
3
GND
5
NC
7
GND
9
NC
11
TXD/RXD+ 2
13
GND
15
NC
17
GND
19
Copyright 2001 Diamond Systems Corp.
J6
2
DSR 1
4
RTS 1
6
CTS 1
8
RI 1
10
NC
12
DSR 2
14
RTS 2
16
CTS 2
18
RI 2
20
NC
J6
2
NC
4
TXD- 1
6
RXD- 1
8
NC
10
NC
12
NC
14
TXD- 2
16
RXD- 2
18
NC
20
NC
J6
2
NC
4
TXD/RXD- 1
6
NC
8
NC
10
NC
12
NC
14
TXD/RXD- 2
16
NC
18
NC
20
NC
Jupiter-MM-SIO User Manual V1.3
p. 7