7. Touch panel
Third example
• Touch panel IP Address : 192.168.200.1
• Touch panel Subnet Mask : 255.255.255.0
• Projector IP Address : 192.168.100.2
• Projector Subnet Mask: 255.255.255.0
Result : No communication possible. Touch panel address is not in the subnet range of the projector’s IP
address. The third group in the Touch panel IP address and Projector IP address must be the same.
Fourth example
• Touch panel IP Address : 192.168.200.1
• Touch panel Subnet Mask : 255.255.0.0
• Projector IP Address : 192.168.100.2
• Projector Subnet Mask: 255.255.0.0
Remark : Communication possible. Touch panel address is in the subnet range of the projector’s IP
address. The third group in the IP addresses can be any value as the third group in the subnet mask is 0.
7.1.3 Projector connections, communication policy
About projector communication
The communication with the projector can be done via an RS232 connection and/or via Ethernet.
How to make the selection
1. While in Touch panel, Communication tab page, tip Edit (1) button under Projector connection proper-
ties (image 7-3)
The Projector connection properties window opens.
2. Tip on the radio button of your choice.
The following choices are possible :
- RS232 (Serial) only : only communication via RS232 with the projector allowed.
- Ethernet (IP) only : only communication via an Ethernet connection allowed.
- Ethernet or RS232 : Ethernet and RS232 are allowed to communicate with the projector.
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R59770488 COMMUNICATOR TOUCH PANEL 06/06/2012
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