Glossary - Omron WE70-AP Operation Manual

Appendices

Glossary

Access Point
A generic name for a site through which access
to the Internet is made via a provider.
Also, it is a generic name of a device that works
as a bridge connecting a wired LAN and a wire-
less LAN.
Authentication
Validating if a user making access to a network
through the Internet or others has proper permis-
sion for access by asking his/her password and
user ID.
Browser
See WWW Browser.
BSSID (Basic Service Set-IDentifier)
An identification to designate a wireless LAN in
the MAC layer.
It is used for AP-to-AP bridging of a wireless unit.
Client
A generic name for a terminal or an application
that sends a request of information and receive a
response to/from a server in a network.
DFS (Dynamic Frequency Selection)
This function is used to prevent radio interference
by automatically switching to a detected unused
channel before starting wireless LAN communica-
tion of IEEE802.11a (5470MHz-5725MHz) stan-
dard.
Domain Name
As an IP address is difficult for people to recog-
nize, a domain name is assigned to a domain
that is a group to which the IP address belongs.
Example) In case of an e-mail address
o m r o n @ e x a m p l e . c o . j p ,
example.co.jp is a domain.
ESS ID (Extended Service Set-IDentifier)
See SSID.
Ethernet
Standard LAN technology to connect PCs.
There are various types depending on cabling;
10BASE-T, 100BASE-TX, 10BASE-5, 10BASE-
2, etc.
Flash Memory
A storage device in a wireless unit, to which data
can be written.
Appendices-10
Information stored in this device will not be lost
even after power is turned off.
Global IP Address
A unique address that does not overlap with any
other address of any device on the Internet.
HTML (Hyper Text Markup Language)
A language to describe a document on a WWW
server, using tags in a document
to create a WWW page.
HTTP (Hyper Text Transfer Protocol)
A protocol to be used to transfer HTML docu-
ments. Entering URL in a WWW browser trans-
fers an HTML document from a WWW server to
the WWW browser on PC. Transferred docu-
ment is interpreted and displayed on a screen by
the WWW browser.
HUB
A device required to construct a network.
It is connected using 10BASE-T or 100BASE-TX
cables.
To communicate under 100Mbps, it is necessary
to use twisted-pair cables of category 5 or high-
er, and the hub itself must support 100BASE-TX.
Internet
A generic name for networks connecting com-
puters all over the world using the IP.
Internet Explorer
Standard Web browser software that comes with
Windows and Mac OS.
IP (Internet Protocol)
See TCP/IP.
IP (Internet Protocol) Address
A 32-bit address assigned to identify a device
connected to a network using the TCP/IP proto-
col.
Typically it is grouped by every 8 bits into 4 deci-
mal numbers. (Example:192.168.0.1)
A private IP address indicates an IP address
uniquely specified by a network administrator.
It is not necessary to report this address to
address management authorities or providers
but it must be assigned based on the following
rules.