1 System Overview
EchoLife HG850
Service Manual
1-2
Huawei Technologies Proprietary
Issue 02 (2007-05-30)
1.1 Product Introduction
The HG850 is an optical network terminal (ONT) designed for home users and small
office home office (SOHO) users. It is deployed at the access layer of a gigabit-capable
passive optical network (GPON).
Using the GPON technology, the HG850 enables users to access the Internet through its
upstream optical interface.
The HG850 provides abundant interfaces at the local area network (LAN) side,
providing diversified networking possibilities. In addition, the HG850 offers
high-quality and cost-effective voice over IP (VoIP) and fax over IP (FoIP), bringing
superb voice and video services as well as high-speed data services.
Using the ONT management and control interface (OMCI) technology, the HG850 is
particularly convenient for remote service configuration, management, and maintenance.
Figure 1-1
shows the appearance of the HG850.
Figure 1-1
Appearance of the HG850