AirLive Traveler3G M, User Manual

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7. Glossary
Traveler3G M
User‟s Manual
POE (Power over Ethernet)
A standard to deliver both power and data through one single Ethernet cable
(UTP/STP). It allows network device to be installed far away from power ource. A
PoE system typically compose of 2 main component: DC Injector (Base Unit) and
Splitter(Terminal Unit). The DC injector combines the power and data, and the
splitter separates the data and power back. A PoE Access Point or CPE has the
splitter built-in to the device. The IEEE 802.3af is a POE spec that uses 48 volt to
deliver power up to 100 meter distance.
Port
This word has 2 different meaning for networking.
The hardware connection point on a computer or networking device used for
plugging in a cable or an adapter.
The virtual connection point through which a computer uses a specific application on
a server.
PPPoE
Point-to- Point Protocol over Ethernet. PPPoE relies on two widely accepted
standards: PPP and Ethernet. PPPoE is a specification for connecting the users on
an Ethernet to the Internet through a common broadband medium, such as a single
DSL line, wireless device or cable modem.
PPTP
Point-to-Point Tunneling Protocol: A VPN protocol developed by PPTP Forum.
With PPTP, users can dial in to their corporate network via the Internet. If users
require data encryption when using the Windows PPTP client, the remote VPN
server must support MPPE (Microsoft Point-To-Point Encryption Protocol)
encryption. PPTP is also used by some ISP for user authentication, particularly
when pairing with legacy Alcatel / Thomson ADSL modem.