Advantech AIR-020, Руководство пользователя, Страница: 25 / 34

13 AIR-020 User Manual
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2.4.4 USB 3.0 Connector
AIR-020 supports 2 x USB 3.2 Type A interfaces. These support Plug-and-Play func -
tionality and hot swapping for up to 127 x external devices.
Figure 2.3 USB Connector
2.4.5 COM Connector
AIR-020 provides two 9-pin D-sub connector, which supports RS232/422/485 serial
communication interface ports. The default setting is RS-232, if you want to use RS-
422/485, you can use the BIOS manual to change settings.
Figure 2.4 COM Connector
Table 2.9: USB Connector Pin Definition
Pin Signal Name
1 +5V
2 D-_0
3 D+_0
4 GND
5 USB0_SSRX-
6 US
7 GND
8 USB0_SSTX-
9 US
Table 2.10: COM Connector Pin Definition
Pin RS-232 RS-422 RS-485
1 DCD Tx- DATA-
2 RxD Tx+ DATA+
3 TxD Rx+ NC
4 DTR Rx- NC
5 GND GND GND
6 DSR NC NC
7 RTS NC NC
8 CTS NC NC
9 RI NC NC
NC represents “No Connection”.