Control Commands Via Lan - Panasonic PT-MZ20K Operating Instructions Manual

Control commands via LAN

The projector can be controlled via the <DIGITAL LINK> terminal or the <LAN> terminal by using the control
command format via the <SERIAL/MULTI SYNC IN> terminal.
For examples of the available commands, refer to "Control command" (x page 262).
Note
f To send/receive the command via LAN, it is necessary to set the password of the administrator account. (x page 169)
When connecting in protect mode
Connecting
Following is the connection method when the [NETWORK] menu → [NETWORK SECURITY] → [COMMAND
PROTECT] is set to [ENABLE].
1) Obtain the IP address and port number (Initial set value = 1024) of the projector and request a
connection to the projector.
f You can obtain both the IP address and the port number from the menu screen of the projector.
IP address
Port number
2) Check the response from the projector.
Data section
Command "NTCONTROL"
example (ASCII string)
Data length
f Mode: 1 = Protect mode
f Example: Response during protect mode (random number section is undefined value)
"NTCONTROL 1 23181e1e" (CR)
3) Generate a 32-byte hash value from the following data using MD5 algorithm.
f "xxxxxx:yyyyy:zzzzzzzz"
xxxxxx
yyyyy
zzzzzzzz
Command transmission method
Transmit using the following command formats.
r Transmitted data
Command Hash value
example "Connecting" (x page 256)
Data length
32 bytes
f Example: Transmission of power supply status acquisition command (hash value is calculated from the user
name and password of the administrator account, and acquired random number)
"dbdd2dabd3d4d68c5dd970ec0c29fa6400QPW" (CR)
256 - ENGLISH
Chapter 7 Appendix — Technical information
Obtain from the [NETWORK] menu → [NETWORK STATUS].
Obtain from the [NETWORK] menu → [NETWORK CONTROL] → [COMMAND PORT].
Blank
' '
0x20
9 bytes 1 byte
The user name for the administrator account
The password for the administrator account
8-byte random number obtained in Step 2)
Header
'0'
0x30
1 byte
Mode Blank Random number section
'1' ' '
0x31 0x20 (ASCII code hex number)
1 byte 1 byte
'0' Control command
0x30
1 byte Undefined length
Termination
"zzzzzzzz"
8 bytes
Termination
Data section
(ASCII string)
symbol
(CR)
0x0d
1 byte
symbol
(CR)
0x0d
1 byte