Nokia 2112, 2115, 2270, 2272, 2280, 2285, 3100, 3105, 3108, 3120, 3125, 3200, 3205, 3220, 3585, 3586, 3587, 3588, 3589i, 5100, 5140, 6011i, 6012, 6015, 6015i, 6016i, 6019i, 6020, 7210 pop-port LIKE-DKU-5 or CA-42 схема кабеля - распиновка
serial cable analog (original DKU-5 is an USB cable with complicated schematic).
Serial. Not tested

Rx is at Nokia pop-port pin 6
Tx is at Nokia pop-port pin 7
GND is at Nokia pop-port pin 8
Not tested