PT-DZ16KU, PT-DZ16KE, PT-DS16KD (serv.man14) — Panasonic Projector Other Service Manuals (repair manual). Page 16

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SECTION 1  SERVICE  INFORMATION
<PT-DZ16K>
3. Generate a 32-byte hash value from the following data using MD5 algorithm.
“xxxxxx:yyyyy:zzzzzzzz”
 Administrator rights user name for Web control (default user name is “admin1”)
 Password of above administrator rights user (default password is “panasonic”)
 8-byte random number obtained in Step 2)
: colon : Separator
      4. 2. 2. 2. Command transmission method
Transmit using the following command formats.
Transmitted data
Received data
Error response
“ERR1”
Undefined control command
“ERR2”
Out of parameter range
“ERR3”
Busy state or no-acceptable period
0x30
0x30
Header
xxxxxx
yyyyy
zzzzzzzz
1 byte
0x30
Control command
0x0d
1 byte
0x0d
1 byte
1 byte
Undefined length
Termination symbol
‘0’
(CR)
Data section
Control command
‘0’
‘0’
(ASCII string)
1 byte
(ASCII string)
Undefined length
Header
‘0’
0x30
1 byte
Hash value
32 bytes
(4.2.2.1.-3)
Data section
Termination symbol
(CR)
Error message
Termination symbol
(CR)
INF - 16
ERR3
Busy state or no acceptable period
“ERR4”
Timeout or no-acceptable period
“ERR5”
Wrong data length
“ERRA”
Password mismatch
Example: Query Power "QPW"
1. Connects to the projector
IP = 192.168.0.8      port = 1024
2. Receives a response
Response = "NTCONTROL 1 1aa6c14e" + (CR)
"1aa6c14e" = 8 bytes random characters
3. Generates a hash value (message digest) from "admin1:panasonic:1aa6c14e" by using the MD5 algorism.
"admin1" = Administrator authority user-name
"panasonic" = Password corresponding to "admin1"
Hash value = "01466bc27ed8c0b7e607471580c55953"
4. Transmits the command
Transmission data = "01466bc27ed8c0b7e607471580c5595300QPW" + (CR)
5. Receives a response.
Reception data = "00000" + (CR)
6. Disconnects the connection with the projector.
4 bytes
 1 byte
(CR)
0x0d
INF - 16
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