Glossary
Alcatel-Lucent 7342 ISAM FTTU ONT R04.05.06 July 2008 GL-9
3FE 51892 AAAA TCZZA Edition 01 ONT Product Information Manual
HTRU High-density Top Rack Unit
An FTTU component that provides redundant power distribution, as well as
fuse and alarm functions, for an equipment rack housing OLTS units.
IDC Insulation Displacement Connector
IEEE Institute of Electrical and Electronics Engineers
The IEEE is a worldwide engineering publishing and standards-making
body. It is the organization responsible for defining many of the standards
used in the computer, electrical, and electronics industries.
IGMP Internet Group Management Protocol
A protocol used between hosts and multicast routers on a single physical
network to establish hosts’ membership in particular multicast groups.
Version 2 of IGMP is described in RFC 2236.
IGS IGMP system on the SHub
ILEC Incumbent Local Exchange Carrier
IOCM Input-Output Channel Manager
IP Internet Protocol
Connectionless packet-switching protocol that works together with TCP.
IPoE Internet Protocol over Ethernet
IPTV IP Television
The delivery of video services over an end-to-end IP infrastructure. IPTV
can include various classes of video services, such as video on demand,
broadcast TV, video conferencing, and mobile video.
IS In Service
ISAM Intelligent Services Access Manager
The Intelligent Service Access Manager is a DSL access multiplexer that
operates in a packet aggregation network. The ISAM enables deployment of
triple-play services, such as video on demand, high-definition TV and
broadcast TV services for all subscribers simultaneously.
ISDN Integrated Services Digital Network
An internationally accepted standard for voice, data, and signaling. There
are two basic types of ISDN service: Basic Rate Interface (BRI) and Primary
Rate Interface (PRI).
ISP Internet Service Provider
A regional network-providing Internet service
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