+-----------------------------------------+ | 16 15 14 13 12 11 10 9 | | ANT o o o o o o o o Charge | | (O) [ ] (o) | | o o o o o o o o | | 8 7 6 5 4 3 2 1 | +-----------------------------------------+
Pin | Name | Description |
---|---|---|
1 | GND | Digital ground |
2 | MIC/JCONN | External audio input from accessories or handsfree microphone. Multiplexed with junction box connection control signal |
3 | AGND | Analogue ground for accessories |
4 | TDA | Transmitted DBUS data to the accessories |
5 | M2BUS | Serial Bidirectional data and control between the handportable and accessories |
6 | HOOK/RXD2 | Hook indication. HP has a 100KE pull-up resistor |
7 | PHFS/TXD2 | Handsfree device power on/off, data to flash programming device |
8 | VCHAR | Battery charging voltage |
9 | GND | Digital ground |
10 | EAR/HFPWR | External Audio output to accessories or handsfree speaker |
11 | DSYNC | DBUS data bit sync clock |
12 | RDA | DBUS recieved data from the accessories |
13 | BENA | Power supply to headset adapter |
14 | VF | Programming voltage for FLASH |
15 | DCLK | DBUS data clock |
16 | VCHAR | Battery charging voltage |