6
USB3.0: USB 3.0 Port Connector
The pin assignment for USB 3.0 port connectors are listed as follows:
Pin NO. Definition
1
5V
2
USB3_RX-
3
4
GND
5
USB3_TX-
6
USB3_TX-
7
D-
8
D+
COM1: RS232/422/485 COM Port Connector
The pin assignment for RS-232/ 422/ 485 is listed as follows:
Pin NO . RS232
*RS422
(optional)
*RS485
(optional)
1
DCD#
TX-
DATA-
2
SIN
TX+
DATA+
3
SOUT
RX+
NC
4
DTR#
RX-
NC
5
DSR#
NC
NC
6
RTS#
NC
NC
7
CTS#
NC
NC
8
RI#
NC
NC
*Note: COM1 port can function as RS232/422/485 port. In normal settings COM1
functions as RS232 port. With compatible COM cable COM1 can function as RS422
or RS 485 port. User also needs to go to BIOS to set
‘
Transmission Mode Select
’
for COM1 (refer to
Page-23
) at first, before using specialized cable to connect
different pins of this port.
COM2: RS232COM Port Connector
The pin assignment for RS-232 is listed as follows:
Pin NO. RS232
1
DCD#
2
SIN
3
SOUT
4
DTR#
5
DSR#
6
RTS#
7
CTS#
8
RI#
