Sony Ericsson R520, R310, R320, T28, T39, T68, T68i, R600, T610, T310 and others cell phones cable connector pinout 
1 ATMS Audio to mobile
2 AFMS/RTS Audio from mobile/RTS
3 CTS/ONREQ CTS/Mobile Station On REQuest
4 data in Data to mobile (Rx)
5 data out Data from mobile (Tx)
6 ACC in Accessory control to mobile. Used as Rx in some models (i.e. T68) for flashing.
7 ACC out Accessory control from mobile/handsfree sense. Used as Tx in some models (i.e. T68) for flashing.
8 AGND Audio signal ground + 0V reference
9 flash Flash memory voltage + Service (shorted to pin 11 in service cable)
10 DGND Digital ground
11 Vcc DC + for battery charging + External accessory powering
Pinout by Cruiser team
1 ATMS
2 AFMS
3 CTS_ON
4 DTMS
5 DFMS
6 CTMS
7 CFMS
8 AGND
9 VPPFLASH
10 DGND
11 DCIO
CTMS stands for Control To Mobile Station; CFMS stands for Control From Mobile Station; DTMS stands for Data To Mobile Station; DFMS stands for Data From Mobile Station[/b]
Standard cable is Sony Ericsson DCU-11
Sony Ericsson J100 cell phone interface pinout 
9 GND
10 Rx (serial) may be tx
11 Tx (serial) may be rx
12 +5Vin
Sony Ericsson K310, K510, K610, K750, K800, M600, P990, W300, W550, W700, W710, W800, W810, W850, W900, W950, V630, Z520, Z530, Z550, Z710 cell phones (new SonyEricsson Fast Port) pinout
1 USB +5V in
2 SP_REF
3 Mic+/AUXIN_L
4 Mic-/AUXIN_R
5 DFMS/SP_L headphone speaker - left
6 DTMS/SP_R headphone speaker - right
7 VIDEO/STB
8 VPPFLASH short to pin 9 for handsfree detection
9 GND
10 CTMS / USB DATA+
11 CFMS / USB DATA-
12 Charge In
CTMS stands for Control To Mobile Station; CFMS stands for Control From Mobile Station; DTMS stands for Data To Mobile Station; DFMS stands for Data From Mobile Station
Sony Ericsson j220, j230 cell phones interface connector pinout
1 - .
2 voc/fm_anten .
3 MIC microfone
4 GND zerez drosel
5 L uadio
6 R uadio
7 - .
8 AID .
9 GND .
10 DTMS Rx
11 DFMS Tx
12 dc power