Control commands via LAN
You can also control via the <DIGITAL LINK/LAN> terminal or <LAN> terminal by using the control command
format via the <SERIAL IN> terminal.
For examples of the available commands, refer to “Control command” (
x
page 160)
.
Note
f
Setting the password of the administrator account is required
(
x
page 106) for sending and receiving the commands via LAN.
When connecting in protected mode
Connection method
This is the connection method when [NETWORK] menu → [NETWORK SECURITY] → [COMMAND PROTECT]
is set to [ENABLE].
1) Obtain the IP address and port number (Initial set value = 1 024) of the projector and make a request
for 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
Obtain from the [NETWORK] menu → [NETWORK STATUS].
Port No.
Obtain from the [NETWORK] menu → [NETWORK CONTROL] → [COMMAND PORT].
2) Check the response from the projector.
Data section
Blank
Mode
Blank
Random number section
Termination symbol
Command
example
“NTCONTROL”
(ASCII string)
‘ ’
0x20
‘1’
0x31
‘ ’
0x20
“zzzzzzzz”
(ASCII code hexadecimal
number)
(CR)
0x0d
Data length
9 bytes
1 byte
1 byte
1 byte
8 bytes
1 byte
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
User name of the administrator account
yyyyy
Password of the administrator account
zzzzzzzz
8-byte random number obtained in Step
2)
Command data format
It is the data format used for sending and receiving commands.
r
Transmitted data
Header
Data section
Termination symbol
Command
example
Hash value
“Connection method”
(
x
page 155)
‘0’
0x30
‘0’
0x30
Control command
(ASCII string)
(CR)
0x0d
Data length
32 bytes
1 byte
1 byte
Undefined length
1 byte
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)
ENGLISH
-
155
Chapter 7 Appendix - Technical information
