For anyone attempting to flash the IP Module firmware without the D-Link USB upload cable; below is the serial pinout in order to connect up an FTDI or similar serial interface to it (make sure it’s running at 3V3). I’ve done it myself, but I’d like to warn anyone that this is a very risky procedure that could result in a bricked IP module. If you don’t feel comfortable with DIY electronics I’d recommend getting a hold of the DLINK for more peace of mind.
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