3Com 500 Network Router User Manual


 
C-5
FastConnect
The OfficeConnect Remote’s proprietary connection
protocol that allows fast connection between units either over the
ISDN link or over a permanent leased line WAN link.
Fiber optics
A technology that uses laser light pulses, sent over thin
glass fibres, which is able to deliver data at speed up to several gigabits
per second.
File server
A computer running a special operating system that allows
workstations to access files.
Filter
A configuration that removes types of data frames based on
user-entered parameters.
Firewall
A method of preventing unauthorized access to a network or
a host on a network. A firewall is usually implemented within a router’s
software.
Frame
The method by which a data packet is constructed to be sent
across a network. Usually assembled with header and footer information.
Gateway
Another name for a router on a network.
HDLC
High-level Data Link Control. OSI’s bit orientated protocol.
Hop count
The number of routing nodes between a source and
destination device on a LAN or WAN.
Host
A device or computer on an IP network to which you can connect.
Hub
A cabling centre in a star topology that either amplifies a signal and
transmits it (active hub) or simply passes the signal along (passive hub).
Hyperterminal
The terminal emulation program provided with
Microsoft Windows 95
.
IEEE
The Institute of Electronic and Electrical Engineers.
IPX
Internetwork Packet Exchange, the default data packet protocol for
Novell’s NetWare operating system.