AXIOMTEK tBOX500-510-FL Series, Руководство пользователя

Страница: 22 / 48

tBOX500-510-FL Series Use
r’s Manual
Connector
14
3.1.2 Serial Port Connector
The COM1 port connector is a DB9 connector.The pin assignment of RS-232/RS-422/RS-485
is listed in the following table. If you need a COM port to support RS-422 or RS-485, please
set it up in BIOS settings.
Pin RS-232 RS-422 RS-485
1 DCD, Data carrier detect
TX- Data-
2 RXD, Receive data
TX+ Data+
3 TXD, Transmit data
RX+ NC
4 DTR, Data terminal ready
RX- NC
5 GND, ground GND, ground GND, ground
6 DSR, Data set ready
NC NC
7 RTS, Request to send
NC NC
8 CTS, Clear to send
NC NC
9 RI, Ring indicator
NC NC
10 NC
NC NC
COM
3.1.3 USB3.0 Stack Ports
Pin Signal USB Port 0 Pin Signal USB Port 1
1
USB_VCC (+5V level
standby power)
10
USB_VCC (+5V level
standby power)
2 USB_Data2- 11 USB_Data3-
3 US 12 US
4 GND 13 GND
5 SSRX2- 14 SSRX3-
6 SSRX2+ 15 SSRX3+
7 GND 16 GND
8 SSTX2- 17 SSTX3-
9 SSTX2+ 18 SSTX3+