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Chapter
11
. Appendix E Glossary
Solwise SSR725 SDSL Ethernet Router User’s Guide
114
LED
Light Emitting Diode
An electronic light-emitting device. The indicator lights on the
front of the SSR725 are LEDs.
MAC address
Media Access Control address
The permanent hardware address of a device, assigned by its
manufacturer. MAC addresses are expressed as six pairs of
characters.
mask
See network mask
.
Mbps
Abbreviation for Megabits per second, or one million bits per
second. Network data rates are often expressed in Mbps.
microfilter
In splitterless deployments, a microfilter is a device that removes
the data frequencies in the DSL signal, so that telephone users
do not experience interference (noise) from the data signals.
Microfilter types include
in-line
(installs between phone and jack)
and
wall-mount
(telephone jack with built-in microfilter).
See also
splitterless
.
NAT
Network Address Translation
A service performed by many routers that translates your
network’s publicly known IP address into a
private
IP address for
each computer on your LAN. Only your router and your LAN
know these addresses; the outside world sees only the public IP
address when talking to a computer on your LAN.
NAT rule
A defined method for translating between public and private IP
addresses on your LAN.
network
A group of computers that are connected together, allowing them
to communicate with each other and share resources, such as
software, files, etc. A network can be small, such as a
LAN
, or
very large, such as the
Internet
.
network mask
A network mask is a sequence of bits applied to an IP address to
select the network ID while ignoring the host ID. Bits set to 1
mean "select this bit" while bits set to 0 mean "ignore this bit."
For example, if the network mask 255.255.255.0 is applied to the
IP address 100.10.50.1, the network ID is 100.10.50, and the
host ID is 1.
See also binary, IP address, subnet, "IP Addresses
Explained" section
.
NIC
Network Interface Card
An adapter card that plugs into your computer and provides the
physical interface to your network cabling, which for Ethernet
NICs is typically an RJ-45 connector.
See Ethernet, RJ-45
.
packet
Data transmitted on a network consists of units called packets.
Each packet contains a payload (the data), plus overhead
information such as where it came from (source address) and
where it should go (destination address).
ping
Packet Internet (or Inter-Network) Groper
A program used to verify whether the host associated with an IP
address is online. It can also be used to reveal the IP address for
a given domain name.
port
A physical access point to a device such as a computer or
router, through which data flows into and out of the device.
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Страница 51: ...Solwise SSR725 SDSL Ethernet Router User s Guide Chapter 5 How to 51 Then click on Add Reserved Mapping ...
Страница 56: ...Chapter 5 How to Solwise SSR725 SDSL Ethernet Router User s Guide 56 Now click on New Trigger ...
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