Panasonic GD53, GD67, GD68, GD92, GD93, GD95, GD87, GD87e, GD88, GU87 cell phones cable connector pinout
1 ADND -?-
5 TEST -?-
7 RX <--
8 TX -->
13 Vcharge -?- +5V?
14 GND
Panasonic P341i, X11, X70, X80, X88 cell phone pinout
2 Vcharge +5V?
12 Tx
13 Rx
1,14 Gnd
Panasonic G400-600 cell phones cable connector pinout
16 GND --- Ground
15 TX_Audio ?
14 AGND --- Audio_Ground
13 HF_ON (L=ON) L=H/F ON
12 AOP_Sense Data Adaptor Select
11 Serial_Up Rx UART up (9600,33.8kbps)
10 Serial_Down Tx UART down
9 External_Power POWER FOR CHARGING
8 Ground
7 RX_Audio
6 Radio_Mute L=MUTE
5 HF_Sense L=H/F MODE
4 Reserved L=FLASH WRITE ENABLE
3 Ignition H=ON
2 Logic_Power H=HANDSET ON
1 PAON Power Amplifier Control Signal