User manual

Glossary
98-143082-A 93
I
IC Industry Canada (French: Industrie Canada) is the department of the Government of
Canada with a mandate of fostering a growing, competitive, knowledge-based Canadian
economy.
ICMP Internet Control Message Protocol. An Internet protocol mostly used for diagnostics.
IMSI International Mobile Subscriber Identity. A number used to identify the user of a cellular
network. It is a unique identification associated with all cellular networks.
IMSO International Maritime Satellite Organisation. An intergovernmental body established to
ensure that Inmarsat continues to meet its public service obligations, including
obligations relating to the GMDSS.
IP Ingress Protection. An international classification system for the sealing effectiveness of
enclosures of electrical equipment against the intrusion into the equipment of foreign
bodies (i.e. tools, dust, fingers) and moisture. This classification system uses the letters "IP"
L
LAN Local Area Network. A computer network covering a small physical area, like a home,
office, school or airport. The defining characteristics of LANs, in contrast to wide-area
networks (WANs), include their usually higher data-transfer rates, smaller geographic area,
and lack of a need for leased telecommunication lines.
LED Light Emitting Diode
N
NAT Network Address Translation. An Internet standard that enables a local-area network to
use one set of IP addresses for internal traffic and a second set of addresses for external
traffic. A NAT module makes all necessary address translations.
P
PBX Private Branch Exchange, telephone exchange that serves a particular business or office.
PIN Personal Identification Number. A code number used to provide access to a system that
has restricted access.
PPPoE Point-to-Point Protocol over Ethernet. A network protocol for encapsulating Point-to-
Point Protocol (PPP) frames inside Ethernet frames. By using PPPoE, users can virtually
"dial" from one machine to another over an Ethernet network, establish a point to point