User's Manual

Note 1: Do not use H1, test purpose only, wrong use can corrupt the Parafait RF Tap Reader 1.

Note 2: Warning! Do not use 3V3, test purpose only, wrong use will permanently damage the Parafait RF Tap

Reader 1.

Note 3: Do not use J1 and J2 at the same time.

Parafait RF Tag Reader 1 Jacks Parafait RF Tag Reader 2 Jacks

4. Communication Protocol

4.1 Communication Settings

The communication protocol is byte-oriented. Both sending and receiving bytes are in hexadecimal format. The

communication parameters are as follow:

• Baud rate: 9600 bps (default)

• Data: 8 bits

• Stop: 1 bit

• Parity: None

• Flow control: None

4.2 Commands Format

The communication works through the following command format:

CMD_AA_BB_CC_DD_EE_END

Where:

1. CMD/END:

• All commands start with “CMD” (0x43,0x4D,0x44) and ends with “END” (0x45,0x4E,0x44)