Silk Screen
Name
Status
Indication
Off
The WLAN function is disabled.
WPS
WPS port LED
Always on
The WPS function is enabled.
Blinks
A Wi-Fi terminal is accessing the
system.
Off
The WPS function is disabled.
CATV
CATV port LED
Always on
The CATV function is enabled and
CATV signals are received.
Off
The CATV function is disabled or
CATV signals are not received.
Table 2-8
Indications of PON and LOS LEDs
No.
LED Status
Indication
PON
LOS
1
Off
Off
The ONT is disabled by the OLT.
2
Blinks quickly
(twice per
second)
Off
The ONT is attempting to set up a
connection to the OLT.
3
Always on
Off
The connection between the ONT
and the OLT is set up.
4
Off
Blinks slowly
(once two
seconds)
The Rx optical power of the ONT is
lower than the optical receiver
sensitivity.
5
Blinks quickly
(twice per
second)
Blinks quickly
(twice per
second)
The OLT detects that the ONT is a
rogue ONT.
2.2 Typical Network Applications
This topic describes the typical network applications of the HG8240/HG8245/HG8247.
As a network terminal, the HG8240/HG8245/HG8247 is deployed at the GPON access layer
and connects home users and SOHO users to the Internet through optical upstream ports. On the
local area network (LAN) side, the HG8240/HG8245/HG8247 provides abundant hardware
ports to meet various network requirements of home users and SOHO users.
Network Topology of the HG8240
shows the position of the HG8240 in a network.
EchoLife HG8240/HG8245/HG8247 GPON Terminal
Service Manual
2 System Overview
Issue 04 (2011-01-12)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2-13