User Side
Concept Introduction
HGW (or HG) Home gateways (HGWs or HGs) are gateway devices designed for
households and small-office network users. They provide routing
functions, support various service interfaces (POTS, LAN, WLAN, or
xDSL interfaces), and support remote management and diagnosis.
VoD Video on demand (VoD) is known as interactive video on demand. Users
can choose their desired programs from the VoD program database.
When watching programs, users can perform operations such as pause,
fast forward, fast rewind, and locate.
Multicast Multicast, or broadband TV (BTV) is similar to traditional wired
broadcasting or television satellite broadcasting. Users have the same
experience in watching BTV programs and traditional television
programs. Unlike the traditional television, the IPTV system encodes
audio signals into media streams and multicasts the media streams over
an IP network to user terminals.
Access Side
Concept Introduction
PON A passive optical network (PON) uses a point-to-multipoint (P2MP)
network architecture. A PON network consists of three parts: optical
line terminal (OLT), optical distribution network (ODN), and optical
network units (ONUs). A PON network uses optical fibers for data
transmission, supports more users with less optical fiber resources, and
provides a higher access rate.
Mainstream PON technologies include broadband passive optical
network (BPON), Ethernet passive optical network (EPON), and gigabit
passive optical network (GPON).
ODN The ODN is composed of passive optical components, such as optical
fibers and one or more passive optical splitters. The ODN provides
highly reliable optical channels between the OLT and ONUs.
OLT The OLT is an aggregation device located at the central office (CO),
which terminates PON protocols. OLTs in this document are MA5600T/
MA5603T/MA5608T.
ONU ONUs are located on the user side, providing various types of ports for
connecting to user terminals. The ONUs communicate with the OLT
through a passive ODN.
NOTE
ONUs in FTTB and FTTC networks refer to multi-dwelling units (MDUs).
SmartAX MA5600T/MA5603T/MA5608T Multi-service
Access Module
Commissioning and Configuration Guide 11 FTTB and FTTC Solution Configuration
Issue 01 (2014-04-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
816
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