Hitachi CP-X205 - Manual (Page 107)


&RPPDQG&RQWUROYLDWKH1HWZRUN
Command Format
Command formats differ among the different communication ports.
Ɣ7&3
<RXFDQXVHWKH56&FRPPDQGVZLWKRXWDQ\FKDQJHV7KHUHSO\GDWD
IRUPDWLVWKHVDPHDVWKH56&FRPPDQGV+RZHYHUWKHIROORZLQJUHSO\
will be sent back in the event of authentication failure when authentication is
enabled.
<Reply in the event of an authentication error>
Reply Error code
[) [ [
Ɣ7&3 
6HQG'DWDIRUPDW
7KHIROORZLQJIRUPDWWLQJLVDGGHGWRWKHKHDGHU [ 'DWDOHQJWK [' 
&KHFNVXP E\WH DQG&RQQHFWLRQ,' E\WH RIWKH56&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,' ĺ5DQGRPYDOXHIURPWR 7KLVYDOXHLVDWWDFKHGWR
the reply data)