Benq PB6200 Manuale Utente

61 

 

External communication protocol include two parts：A. setup connecting, B. send command. 

   

BenQ default Serial Port : 

Baud Rate: 19200 

Parity:   none 

Data bits:  8 

Stop bits: 1 

Flow Control: none 

 

A. Setup Connecting 

A typical Packet transaction session is shown in Figure 1 

 

 

     Figure 1 

Host System                Target 

System 

 

Packet to Target    => 

 

                    <=                  ACK 

<=          Packet to Host 

 

Packet to Target    => 

 

                    <=                  ACK 

                              <=          Packet to Host 

 

Packet to Target    =>

 

a 

c 

e 

d

b