Glossary
DRAFT
Copyright Nokia Telecommunications Oy
NTC C33539002SE_A0 Glossary-5
host
Computer system on a network.
IP network
Data communications network based on the Internet Protocol.
low-pass filter
Passive filter used for separating the telephone signal from data signals
in the digital subscriber line.
MAC address
Ethernet address.
multiplexer
A device where several logical connections are combined into one
physical connection.
ping
Packet Internet groper. A program used to test the reachability of
destinations by sending them an ICMP echo request and waiting for a
reply.
POTS filter
A device used for separating the telephone signal from data signals in
the digital subscriber line.
proxy
A mechanism whereby on system ’fronts’ for another system in
responding to protocol requests.