Bixolon SRP-270 Manual De Usuario

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SRP-270
4-3-6 RS-485 Communication Block Diagram 
 
The CPU is used for serial communication. 
And also RS-485 Driver (MAX488), is used to serial communication. 
Show following block diagram. 
 
   
[Figure 4-10 RS-485 Communication Block Diagram] 
 
 
[Figure 4-11 RS-485 Communication Waveform] 
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