1 System Overview
EchoLife HG850
Service Manual
1-4
Huawei Technologies Proprietary
Issue 02 (2007-05-30)
The functions of the HG850 are as follows:
z
Connects with the OLT devices through the passive optical network (PON) interface
(the
Optical
interface on the rear panel) to provide comprehensive access services in
the upstream.
z
Connects with a PC, an STB, and other devices through the Ethernet interfaces to
realize the access of data and video services in the downstream. It realizes access of
the VoIP or FoIP service by connecting with a telephone or a fax machine through
the plain old telephone service (POTS) interface (the
Tel
interface on the rear panel).
The features of the HG850 are as follows:
z
Serves as a GPON terminal to realize bandwidth connection.
z
Provides downstream rate up to 2.488 Gbit/s and upstream rate up to 1.244 Gbit/s.
z
Provides four 100 Base-TX full duplex Ethernet interfaces, enabling all computers in
the LAN to access the network efficiently.
z
Provides two POTS interfaces. These interfaces enable the device to provide the
VoIP service.
z
Supports the remote Telnet software management, the remote File Transfer Protocol
(FTP) loading upgrade, and online OMCI software upgrade.
1.2 Front Panel and Rear Panel
1.2.1 Front Panel
Figure 1-3
shows the front panel of the HG850.
Figure 1-3
Front panel of the HG850
Table 1-1
describes the indicators of the HG850.
Table 1-1
Indicators of the HG850
Indicator
Name
Status
Description
On
The HG850 is powered on.
Power Power
indicator
Off
The HG850 is powered off.
Link
Connectivity
indicator
Refer to
Table 1-2
Refer to
Table 1-2
.
