User Manual

120 40520-100a ViPR User Manual
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Definitions
Item Definition
Access Point Communication hub for users to connect to a
LAN. Access Points are important
for providing heightened wireless security and for extending the physical range
of service a wireless user has access to.
AES Advanced Encryption Standard (AES)
Airlink Physical radio frequency connections used for communications between units.
ARP Address Resolution Protocol – Maps Internet address to physical address.
Backbone The part of a network that connects most of the systems and networks together,
and handles the most data.
Bandwidth The transmission capacity of a given device or network.
Browser An application program that provides a way to look at and interact with all the in-
formation on the World Wide Web.
Collision LED Connection is established but collisions are occurring.
COM Port Both RS-232 serial communications ports of the ViPR wireless radio modem are
configured as DCE and are designed to connect directly to a DTE.
Default Gateway A device that forwards Internet traffic from your local area network.
DCE Data Communications Equipment. This designation is applied to equipment such
as modems. DCE is designed to connect to DTE.
DHCP Dynamic Host Configuration Protocol - A networking protocol that allows ad-
ministrators to assign temporary IP addresses to network computers by "leasing"
an IP address to a user for a limited amount of time, instead of assigning perma-
nent IP addresses.
DNS Domain Name Server - translates the domain name into an IP address.
Domain A specific name for a network of computers.
DTE Data Terminal Equipment. This designation is applied to equipment such as ter-
minals, PCs, RTUs, PLCs, etc. DTE is designed to connect to DCE.
Dynamic IP Addr A temporary IP address assigned by a DHCP server.
Ethernet IEEE standard network protocol that specifies how data is placed on and re-
trieved from a common transmission medium.
Endspan PSE Power Sourcing Equipment – Equipment used to inject PoE over the unused
conductors, over the data baring conductor, or over both types of conductors of a
4-pair standard cable (E.g: CAT5).
Firewall A set of related programs located at a network gateway server that protects the
resources of a network from users from other networks.
Firmware The programming code that runs a networking device.
Fragmentation Breaking a packet into smaller units when transmitting over a network medium
that cannot support the original size of the packet.
FTP File Transfer Protocol - A protocol used to transfer files over a TCP/IP network.