Read more about connecting the second uart.
Edimax 7207Apg serial console (pins must be soldered) 115200 8N1
o o o|o J3 J2 J2 0 - Gnd 1 - Rx 2 - Tx J3 0 - +3.3V
<note warning> Be aware that the console port operates on 3.3 Volt and connecting to a PC serial port which uses 12 Volt will fry your router!!
There are 2 ways to solve this:
© RocketMan </note>
Read more about connecting the second uart.
If your cable has four wires, it has GND, TX, RX, and +3.3V output from battery. GND (usually black) is soldered to pin 1 on Siemens system connector. The rest is as follows …
siemens | JP2 pin | |
---|---|---|
1 | GND | 8 |
4 | +3.3V | 2 |
5 | TX | 7 |
6 | RX | 1 |