Parent: $root.$constants
| kPort1StopBit | One stop bit |
| kPort2StopBits | Two stop bits |
| kPort7DataBits | Seven data bits |
| kPort8DataBits | Eight data bits |
| kPortEvenParity | Even parity checking |
| kPortHardware | Use hardware handshake |
| kPortNoHandshake | No handshake |
| kPortNoParity | No parity checking |
| kPortOddParity | Odd parity checking |
| kPortXonXoff | Use xon/xoff handshake |