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INSTALLATIONS
MI981 User’s Manual
21
J15, J16, J17, J18: COM3/COM4/COM5/COM6 Connector
Signal Name
Pin #
Pin #
Signal Name
DCD, Data carrier detect
1
2
RXD, Receive data
TXD, Transmit data
3
4
DTR, Data terminal ready
GND, ground
5
6
DSR, Data set ready
RTS, Request to send
7
8
CTS, Clear to send
RI, Ring indicator
9
10
Not Used
J19, J20, J21: USB Connectors
Signal Name Pin Pin
Signal Name
VCC
1
2
GND
D0-
3
4
D1+
D0+
5
6
D1-
GND
7
8
VCC
2
8
1
7
2
10
1
9
Содержание MI981
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