Ver.3.09

 

Data : Mar.24.2008

10 page of 50

3)When a command with an answer parameter is normally received ( unit ) and an answer is abnormally received ( host )

HOST

Command Transmitted

MAX 40ms

Error Check NG

STX

CC

PC0

PC1

PC2

PCn

ETX BCC

STX

RC

AC

PC0

PC1

PCn

ETX BCC

NAK

STX

RC

AC

PC0

PC1

UNIT

Error Check OK

MAX 5s

Answer Transmitted

MAX 5 s

Answer

Retransmitted

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