Pin | Signal | Description |
8 | GND | |
13 | DP1_TXD | |
12 | DP1_RXD | |
11 | DP1_CTS | |
7 | DP1_DTR | |
9 | DP1_RI | |
6 | DP1_RTS | |
10 | DP1_DCD | |
5 | GND | |
3 | DP2_RTS/ (SYNC | |
14 | DP2_TXD (DIN) | |
4 | DP2_RXD (DOUT) | |
2 | DP2_CTS/ (CLK) | |
15 | Vbatt | |
1 | Vext DC |
QCP-3035 with data cable TXDTA0C01 4 = Blue = rx, 5 = Orange = tx, 13 = Yellow = gnd on phone handset connector. On PCB of USB converter 2 = Orange = tx, 6 = Blue = rx, 9 = Yellow = Gnd. 3.3V TTL Serial