The Ericsson 3V technology bottom-of-the-phone connector. Probably works for R320s T68 Looking down on the bottom of the phone, keypad facing away from you, the connector should look like this: [] | | | | | | | | [] | [] | . | [] 11 10 9 8 7 6 5 4 3 2 1 where "|" signifies a pin, "[]" is a hole and "." is a missing pin. They appear to be numbered from right to left, skipping the missing pin. Direction is relative to phone pin Direction 1 i/o charger / accessory power 2 - digital GND 3 in Flash memory voltage & Service 4 - analog GND 5 Accessory control from phone & portable handsfree sense 6 Accessory control to phone 7 Data from phone 8 Data to phone 9 Clear to sent & Phone on request 10 Audio from phone & Ready to send 11 Audio to phone * Raised pin: on the accessory connector, these pins are higher than the others so that they electrically connect first.