LG 24 pin mobile phones cable connector pins and signals

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For LG C1100, C1200, C1300, C1400, C1500, F2100, F9100, G1600, G5500, G5600, G7000, G7020, G7030, G7050, KG120, KG210, KG220, KG225, KG320, L1100, L1200, L1400, lx5450, lx5550, T5100, vi5225, vx4500, vx4600, vx6000 , 4010, 4011, 4050, 8080 and LG 3G phones (including LG40xx,LG70XX,L11XX and most others with 24 pin conector). This pinout is also compatible with the Axesstel AXW P800 and Zapp Z1130 WLL phones. This pinout may also be compatible with the Samsung SUC-C2 cable.

Pin	Signal	Description
1	Batt_ID
2	VPPFLASH
3	DSR
4	Vin	IGN
5	Vin	Charge in, (USB +5V accepted)
6	CTS_ON
7	PCM_RXA_IN
8	PCM_CLK
9	PCM_SYNC
10	USB RX	USB D-
11	PCM_TXA_OUT
12,19	GND
13	DTMS	Rx
14	DFMS	Tx
15	USB Tx	USB D+
16	USB Vcc
17	CTMS/DCD	Serial Rx
18	CFMS/RI	Serial Tx
20	RFR_RTS	CTS?
21,22	+	4.2v charger. Pins 20 and 21 may be used? May be charged from PC USB +5V power
23	CTS_ON	RTS?
24	DTS	DTR?

different sources reports:
pins 3,12,19,23 may be shorted in cable;
pin 6 must be shorted by 10KOm resistor to +5v in cable;
pins 2 and 21 should be shorted (confirmed).

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