Cable serial db9 wire colors female 232 rs male chart extension rs232 diagram standard molded shielded pvc edited 2003 comments Cable modem null db9 serial wiring straight does pinout port rs232 vs ethernet connection crossover usb standard over handshake through Chapter 3. technical specifications
9 Pin Serial Cable Wiring
Serial rs232 cable conexion 25 pinout connection connector 9 pin serial cable wire colors