Hitachi CP-X268AWF - Manual (Page 156)

77
Command format
Command formats differ among the different communication ports.
TCP #23
You can use the RS-232C commands without any changes. The reply data format
is the same as the RS-232C commands. However, the following reply will be sent
back in the event of authentication failure when authentication is enabled.
Reply Error code
0x1F 0x04 0x00
TCP #9715
Send Data format
The following formatting is added to the header (0x02), Data length (0x0D),
Checksum (1byte) and Connection ID (1 byte) of the RS-232C commands.
Header
Data
length
RS-232Ccommand Checksum
Connection
ID
0x02 0x0D 13 bytes 1 byte 1 byte
+HDGHU ĺ[)L[HG
'DWDOHQJWK ĺ56&FRPPDQGVE\WHOHQJWK[')L[HG
56&FRPPDQGVĺ56&FRPPDQGVWKDWVWDUWZLWK[%([()E\WHV
&KHFN6XP
ĺ7KLVLVWKHYDOXHWRPDNH]HURRQWKHDGGLWLRQRIWKHORZHU
8 bits from the header to the checksum.
&RQQHFWLRQ,' ĺ5DQGRPYDOXHIURPWR7KLVYDOXHLVDWWDFKHGWR
the reply data)
4. Utilize projector – Advanced -