Quote Originally Posted by dhouston View Post
I should have mentioned that the Mini Socket iWiFi datasheet says for RXD...anf for TXD...
Thanks, Dave. I also got a Tech Support input from OneConnect saying to connect TXD to MCU's RX and RXD to MCU's Tx, -DTR to ground, -DSR unconnected, and -CTS connected to -RTS. So this clarifies the serial interface requirements for their MiniSocket WiFi module with a PIC MCU.