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6. Projector Configuration
Default Gateway
A router that serves as an entry point into and exit point out of a network. For example, a
local network (LAN) may need a gateway to connect it to a wide area network (WAN) or to the
Internet.
DHCP
Dynamic host configuration protocol. DHCP is a communications protocol that lets network
administrators manage centrally and automate the assignment of IP addresses in an organi-
zation’s network. Using the Internet Protocol, each machine that can connect to the Internet
needs a unique IP address. When an organization sets up its computer users with a connection
to the Internet, an IP address must be assigned to each machine. Without DHCP, the IP ad-
dress must be entered manually at each computer and, if computers move to another location
in another part of the network, a new IP address must be entered. DHCP lets a network ad-
ministrator supervise and distribute IP addresses from a central point and automatically sends
a new IP address when a computer is plugged into a different place in the network.
What should be set up for the Ethernet address
2 ways can be used to assign an address:
• use the DHCP setting so that a automatic address will be assigned.
• Assign manually an IP address, Subnet-mask, default gateway address.
- Set the IP-Address field to the desired value. This must NOT be 0.0.0.0 for static IP-Address as-
signment. The IP address identifies a projector’s location on the network in the same way a street
address identifies a house on a city block. Just as a street address must identify a unique residence,
an IP address must be globally unique and have a uniform format.
- Set the Subnet-Mask as appropriate for the local subnet.
- Set the Default-Gateway to the IP-Address of the local router (MUST be on the local subnet!) on
the same network as this projector that is used to forward traffic to destinations beyond the local
network. This must not be 0.0.0.0. If there is no router on the projector’s local subnet then just set
this field to any IP-Address on the subnet.
6.2.2 Assign an Ethernet address via DHCP
How to set up
1. Click on the BARCO button. (image 6-2)
The Network settings window will open. (image 6-3)
2. Check the check box next to Obtain an IP address automatically (DHCP).
This selection will become active. Other selections are grayed o
ut.
3. Click on OK to activate.
Image 6-2
Network properties
40 R5976790 COMMUNICATOR 09/07/2004