AXIOMTEK CAPA311, Руководство пользователя

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CAPA311/312 3.5
” Board
Board and Pin Assignments 19
2.4.15 USB 3.0 Ports (CN20 and CN21)
The Universal Serial Bus (compliant with USB 3.0 (5Gb/s)) connector on the rear I/O is
for installing USB peripherals such as keyboard, mouse, scanner, etc.
USB 3.0 port 0 and 1 (CN20):
USB 3.0 port 2 and 3 (CN21):
2.4.16 COM1 D-Sub Connector (CN22)
This is a standard 9-pin D-Sub connector for COM1 interface. The pin assignments of
RS-232/422/485 are listed in table below. If you need COM1 to support RS-422 or
RS-485 communication mode, please refer to BIOS setting in section 4.4.
Pin Signal Pin Signal
1 USB_VCC (+5V ) 10 USB_VCC (+5V )
2 USB #0_D- 11 USB #1_D-
3 USB #0_D+ 12 USB #1_D+
4 GND 13 GND
5 SSRX0- 14 SSRX1-
6 SSRX0+ 15 SSRX1+
7 GND 16 GND
8 SSTX0- 17 SSTX1-
9 SSTX0+ 18 SSTX1+
Pin Signal Pin Signal
1 USB_VCC (+5V ) 10 USB_VCC (+5V )
2 USB #2_D- 11 USB #3_D-
3 USB #2_D+ 12 USB #3_D+
4 GND 13 GND
5 SSRX2- 14 SSRX3-
6 SSRX2+ 15 SSRX3+
7 GND 16 GND
8 SSTX2- 17 SSTX3-
9 SSTX2+ 18 SSTX3+
Pin RS-232 RS-422 RS-485
1 DCD TX- Data-
2 RXD TX+ Data+
3 TXD RX+ No use
4 DTR RX- No use
5 GND No use No use
6 DSR No use No use
7 RTS No use No use
8 CTS No use No use
9 RI No use No use