
ACT-457A Panel PC
Page 48
Pin Description Pin Description
1 DCD3/TX3-/D- 6 DSR3/RX1-
2 RX3/TX3+/D+ 7 RTS3/RX1+
3 TX3 8 CTS3
4 DTR3 9 RI3
5 GND
Table A-6: COM3 Pinouts
A.8 USB Connectors
The ACT-457A has two USB 2.0 connectors.
Pin Description Pin Description
1 USBVCC2 5 USBVCC2
2 D4F- 6 D5F-
3 D4F+ 7 D5F+
4 GND 8 GND
Table A-7: USB1 Connector Pinouts
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