Hitachi CP-X205 - Manual (Page 107)

&RPPDQG&RQWUROYLDWKH1HWZRUN
Command Format
Command formats differ among the different communication ports.
Ɣ7&3
IRUPDWLVWKHVDPHDVWKH56&FRPPDQGV+RZHYHUWKHIROORZLQJUHSO\
will be sent back in the event of authentication failure when authentication is
enabled.
Reply Error code
[) [ [
Ɣ7&3
6HQG'DWDIRUPDW
7KHIROORZLQJIRUPDWWLQJLVDGGHGWRWKHKHDGHU['DWDOHQJWK['
&KHFNVXPE\WHDQG&RQQHFWLRQ,'E\WHRIWKH56&FRPPDQGV
Header
Data
length
56&FRPPDQG Checksum
Connection
ID
[ [' E\WHV 1 byte 1 byte
+HDGHU ĺ[)L[HG
'DWDOHQJWK ĺ56&FRPPDQGVE\WHOHQJWK[')L[HG
56&FRPPDQGVĺ56&FRPPDQGVWKDWVWDUWZLWK[%([()E\WHV
&KHFN6XP
ĺ7KLVLVWKHYDOXHWRPDNH]HURRQWKHDGGLWLRQRIWKH
lower 8 bits from the header to the checksum.
&RQQHFWLRQ,' ĺ5DQGRPYDOXHIURPWR7KLVYDOXHLVDWWDFKHGWR
the reply data)