... and UDP modeSerial Interface (TTL-level)Signals: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GNDBaud: 300 to 230,400 bpsParity: None ... , OddData bits: 7,8Stop bit: 1,2Flow control: None, RTS/CTS, XON/OFFProgrammable Digital I/OPIO0~PIO6: TTL level compatibleConfiguration MethodsWeb ...