| Pinout for:Siemens C55, S55, SL55, M55 |
Description : Siemens C55, S55, SL55, M55 pinouts
Pinout :
| Pin | Name | Description |
| 1 | VBatt | VBatt |
| 2 | Gnd | Gnd |
| 3 | FBus Tx | FBus Tx |
| 4 | FBus Rx | FBus Rx |
| 5 | CTS | CTS |
| 6 | RTS | RTS |
| 7 | DCD | DCD |
| 8 | Audio P | Audio P |
| 9 | -- | -- |
| 10 | Audio N | Audio N |
| 11 | Gnd Mic | Gnd Mic |
| 12 | EPP | EPP |
Note : Siemens C55, S55, SL55, M55 pinouts