Manual

Embedded Controller AEC-6977
Chapter 2 Hardware Installation
2 - 11
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI
2.21 RS-232 Box Header (COM4)
Pin Signal Pin Signal
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI
2.22 USB Box Header (USB3~USB4)
Pin Signal Pin Signal
1 +5V 2 GND
3 USBD- 4 GND
5 USBD+ 6 USBD+
7 GND 8 USBD-
9 GND 10 +5V