Hitachi ED-A220N Manuel D'utilisation page 216

Command Control via the Network
When the projector connects network, the projector can be controlled with RS-
232C commands from the computer with web browser.
For details of RS-232C commands, refer to RS-232C Communication / Network
command table (
Connection
Turn off the projector and the computer.
1.
Connect the projector's LAN port and the computer's LAN port with a LAN
2.
cable. Use the cable that ful lls the speci cation shown in  gure (Use CAT-5
or greater LAN Cable when LAN ports are used )
Turn the computer on, and after the computer has started up turn the
3.
projector on.
LAN
17).
LAN cable (CAT-5 or greater)
Command Control via the Network
11
LAN