hitech95 I'm tring to connect a serial to a ZTE T3000 router ( no modem ) , and under CPU EMI shield there is identical 2 pins , i tried to connect there with CH340 USB-TTL converter ( shoul support 1,8V) , but unfortunatly not receiving any log , but LED on this device blinks exacly ,like there where a serial comunication.
So can you give information wha kind of converter you used ,what was the communication parameters ( 115 200 baud 8N1 or other ?) and perhops other tricks ( like pullup or pull down to 1,8V or to ground via resistor ?
By the way your log from pasebin not working anymore....
You could PM to me , as it is offtopic....