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Page 24 NP5410 Wireless Ethernet Bridge User Guide
Can I play computer games with other members of the wireless network?
Yes, as long as the game supports multiple players over a LAN (local area network), you can
play with other connected members on the network. Refer to the game’s user guide for more
information.
What is the IEEE 802.11g draft?
IEEE is Institute of Electrical and Electronics Engineers, which is formulating a standard for the
industry. IEEE 802.11g draft is submitted by IEEE and it is estimated to be finalized in June,
2003. This wireless standard will allow 802.11b and 802.11g devices from different
manufacturers to communicate with each other. 802.11g draft allows wireless connection
performance to 54Mbps.
What is the IEEE 802.11b standard?
The IEEE 802.11b standard was proposed by IEEE subcommittee. The objective is to enable
wireless LAN hardware from different manufacturers to communicate. The maximum
performance of 802.11b is 11Mbps.
What’s Ad-hoc?
An Ad-hoc wireless LAN is a group of computers, each with a WLAN Adapter, connected as an
independent wireless LAN. Ad-hoc wireless LAN is applicable at a departmental scale for a
branch or SOHO operation.
What is Infrastructure?
An integrated wireless and wired LAN is called an Infrastructure configuration. Infrastructure is
applicable to enterprise scale for wireless access to central database, or wireless application for
mobile workers.
What is Roaming?
Roaming is the ability of a portable computer user to communicate continuously while moving
freely throughout an area greater than that covered by a single Wireless Network Access Point.
Before using the roaming function, the workstation must make sure that it is the same SSID with
the Wireless Access Point of dedicated coverage area.
What is Spread Spectrum?
Spread Spectrum technology is a wideband radio frequency technique developed by the military
for use in reliable, secure, mission-critical communications systems. It is designed to trade off
bandwidth efficiency for reliability, integrity, and security. In the other words, more bandwidth
is consumed than in the case of narrowband transmission, but the trade off produces a signal that
is, in effect, louder and thus easier to detect, provided that the receiver knows the parameters of
the spread-spectrum signal being broadcast. If a receiver is not turned to the right frequency, a
spread-spectrum signal looks like background noise. There are two main alternatives, Direct
Sequence Spread Spectrum (DSSS) and Frequency Hopping Spread Spectrum (FHSS).
What is WEP?
WEP is Wired Equivalent Privacy, a data privacy mechanism based on a 64-bit or 128-bit as
described in the IEEE 802.11 standard. If the WEP is on, all the data sent through wireless LAN
are encrypted for security.