Channel; Ip Address; Default Gateway - Canon 2921B002 On-Screen Manual

About Technical Terms
Shared Key
In this authentication method, the communication partner is authenticated using the
WEP key that was set for encryption.
C

Channel

Frequency channel for wireless communication. In the infrastructure mode, the channel is
automatically adjusted to match that set to the access point. This machine supports channels
1 to 13. Note that the number of channels that can be used for your wireless LAN varies
depending on the region or country.
D

Default Gateway

The gateway in a network that a computer uses to enter another network if a gateway is not
specified. A gateway relays data between the terminals and transmits the transferred data to
the target terminal.
DHCP server functionality
The router or the access point assigns an IP address automatically whenever the printer or
the personal computer on a network starts up.
F
Firewall
It is a system that prevents an unlawful computer access from the outside in the network. To
prevent, you can use the firewall function of a broadband router or the security software
installed in the computer.
I
IEEE 802.11b
International standard for wireless LAN using the 2.4 GHz frequency range with a throughput
of up to 11 Mbps.
IEEE 802.11g
International standard for wireless LAN using the 2.4 GHz frequency range with a throughput
of up to 54 Mbps. Compatible with 802.11b.
Infrastructure
Client computer and machine setup where all wireless communications pass through an
access point.

IP Address

A unique number with four parts separated by dots. Every network device that is connected to
the Internet has an IP address. Example: 192.168.0.1
IPv4/IPv6
They are internetwork-layer protocol used on the internet. IPv4 uses 32-bit addresses and
IPv6 uses 128-bit addresses.
K
Key Format
Select either ASCII or Hex as the WEP key format. The character that can be used for the WEP
key differs depending on the selected key formats.
ASCII
Specify with a 5 or 13-character string that can include alphanumeric and underscore
"_" characters. It is case-sensitive.
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