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Motherboard Information
SI-623-N User Manual
21
2
2.4.5
USB 2.0 Ports Header (J12)
Pin
Signal Name
Pin
Signal Name
1
+5V
2
+5V
3
Data-
4
Data-
5
Data+
6
Data+
7
Ground
8
Ground
2.4.6
COM2 RS-232 Port (J10)
Pin
Signal Name
Pin
Signal Name
1
DCD (Data carrier detect)
2
DSR (Data set ready)
3
RXD (Receive data)
4
RTS (Request to send)
5
TXD (Transmit data)
6
CTS (Clear to send)
7
DTR (Data terminal ready)
8
RI (Ring indicator)
9
Ground
7
8
2
1
10
2
9
1