Mobile phone interface pin | Description |
---|---|
1 | GND |
2 | R=25 or 33 KOhm to GND in data or charge cable |
3 | +6v charge voltage |
4 | Tx |
5 | Rx |
6 | RTS |
7 | Vbus (connect to pin 3 if not used as IC power) |
8 | CTS |
9 | DCD |
10 | RI |
11 | DTR |
12 | DSR |
13 | Serial Enable (if this pin is not pulled to ground your serial cable will not work) |
Pins 6,8; pins 13 and 1 should be shorted in cable.
USB pinout (used at least in Motorola Nextel i205, i305, i530, i730, i830, i930).
Mobile phone interface pin | Description |
---|---|
1 | GND |
4 | Rx (may be connected to PC USB port, USB D+) |
5 | Tx (may be connected to PC USB port, USB D-) |
6 | VBus May be pin 7??? |
For v600 whith charge, pin 3 and 6 be shorted. USB D+ connect to pin4, USB D- connect to pin5. R=25 KOhm connect to pin1 and pin2. Do not pin 3 and 6 shorted in phone, must be in cable!