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Figure 2-14
LEDs on the HG8240B
EchoLife HG8010/HG8240B/HG8245T/HG8247T GPON
Terminal
Service Manual
2 System Overview
Issue 01 (2011-10-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
13
Page 22 / 429
Figure 2-15
LEDs on the HG8245T
EchoLife HG8010/HG8240B/HG8245T/HG8247T GPON
Terminal
Service Manual
2 System Overview
Issue 01 (2011-10-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
14
Page 23 / 429
Figure 2-16
LEDs on the HG8247T
Table 2-9
Indications of the LEDs on the HG8010/HG8240B/HG8245T/HG8247T
Silk Screen
Name
Status
Indication
POWER
Power supply
LED
Green: always on
The device is powered on.
Orange: always
on
The device is powered by the
backup battery.
Off
The power supply is cut off.
PON
Authentication
LED
See
Table 2-10
.
LOS
Connection
LED
See
Table 2-10
.
LAN1-LAN4
NOTE
l
HG8010:
LAN
Ethernet port
LED
Always on
The Ethernet connection is in the
normal state.
Blinks
Data is being transmitted on the
Ethernet port.
Off
The Ethernet connection is not set
up.
EchoLife HG8010/HG8240B/HG8245T/HG8247T GPON
Terminal
Service Manual
2 System Overview
Issue 01 (2011-10-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
15
Page 24 / 429
Silk Screen
Name
Status
Indication
TEL1-TEL2
NOTE
The
HG8240B/
HG8245T/
HG8247T has
this indicator.
Voice telephone
port LED
Always on
The connection to the voice server
is set up.
Blinks quickly
(twice per
second)
The connection to the voice server
is set up and the telephone is in the
off-hook or ringing state.
Blinks slowly
(once two
seconds)
The ONT is registering with the
voice server.
Off
The connection to the voice server
is not set up.
USB
NOTE
The
HG8245T/
HG8247T has
this indicator.
USB port LED
Always on
The USB port is connected and is
working in the host mode, but no
data is being transmitted.
Blinks quickly
(twice per
second)
Data is being transmitted on the
USB port.
Off
The system is not powered on or the
USB port is not connected.
WLAN
NOTE
The
HG8245T/
HG8247T has
this indicator.
WLAN port
LED
Always on
The WLAN function is enabled.
Blinks
Data is being transmitted on the
WLAN port.
Off
The WLAN function is disabled.
WPS
NOTE
The
HG8245T/
HG8247T has
this indicator.
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
NOTE
The
HG8247T has
this indicator.
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 2-10
Indications of PON and LOS LEDs
No.
LED Status
Indication
PON
LOS
1
Off
Off
The ONT is disabled by the OLT.
EchoLife HG8010/HG8240B/HG8245T/HG8247T GPON
Terminal
Service Manual
2 System Overview
Issue 01 (2011-10-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
16
Page 25 / 429
No.
LED Status
Indication
PON
LOS
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 HG8010/HG8240B/HG8245T/
HG8247T.
As a network terminal, the HG8010/HG8240B/HG8245T/HG8247T 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 HG8010/HG8240B/HG8245T/HG8247T
provides abundant hardware ports to meet various network requirements of home users and
SOHO users.
Network Topology of the HG8010
Figure 2-17
shows the position of the HG8010 in a network.
Figure 2-17
Network topology of the HG8010
EchoLife HG8010/HG8240B/HG8245T/HG8247T GPON
Terminal
Service Manual
2 System Overview
Issue 01 (2011-10-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
17

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