Denon DCM-5001 Serial Protocol - Page 7

When a command with an answer parameter is normally received unit and an answer is abnormally,

Page 7 highlights

When a command with an answer parameter is normally received ( unit ) and an answer is abnormally received ( host ) HOST Command Transmitted MAX 40ms STX CC PC0 PC1 PC2 UNIT PCn ETX BCC STX RC AC PC0 PC1 Error Check OK MAX 40ms Answer Transmitted Error Check NG PCn ETX BCC NAK STX RC AC PC0 PC1 MAX 40ms Answer Retransmitted

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When a command with an answer parameter is normally received ( unit ) and an answer is abnormally
received ( host )
Command Transmitted
CC
PC0
PC1
PC2
PCn
BCC
STX
ETX
STX
NAK
Answer Transmitted
Error Check OK
HOST
UNIT
AC
PC0
PC1
PCn
ETX
BCC
RC
STX
Answer
Retransmitted
AC
PC0
PC1
RC
Error Check NG
MAX
40ms
MAX
40ms
MAX
40ms