Huawei HG8245A Router Manual PDF (Setup & Configuration Guide)

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Figure 2-9

Ports on the side panel of the HG8247

Table 2-6

Descriptions of the ports on the side panel of the HG8247

Port and Button

Function

BBU

Indicates the external backup battery monitoring port, used for

connecting to the backup battery for monitoring the battery.

USB

Indicate the USB host port, used for connecting to a USB

storage device.

WLAN

Indicates the WLAN button, used for enabling or disabling the

WLAN function.

WPS

Indicates the WLAN data encryption switch.

RESET

Indicates the reset button. Press the button for a short time to

reset the device; press the button for a long time (longer than

10s) to restore the device to the default settings and reset the

device.

2.1.3 LEDs

This topic provides the appearance of the LEDs on the HG8240/HG8245/HG8247 and describes

the indications of these LEDs.

Figure 2-10

,

Figure 2-11

and

Figure 2-12

show the LEDs on the HG8240, HG8245 and

HG8247 respectively.

EchoLife HG8240/HG8245/HG8247 GPON Terminal

Service Manual

2 System Overview

Issue 02 (2011-01-26)

Huawei Proprietary and Confidential

2-9

Page 32 / 232

Figure 2-10

LEDs on the HG8240

2 System Overview

EchoLife HG8240/HG8245/HG8247 GPON Terminal

Service Manual

2-10

Huawei Proprietary and Confidential

Issue 02 (2011-01-26)

Page 33 / 232

Figure 2-11

LEDs on the HG8245

Figure 2-12

LEDs on the HG8247

EchoLife HG8240/HG8245/HG8247 GPON Terminal

Service Manual

2 System Overview

Issue 02 (2011-01-26)

Huawei Proprietary and Confidential

2-11

Page 34 / 232

Table 2-7

Indications of the LEDs on the HG8240/HG8245/HG8247

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 2-8

.

LOS

Connection

LED

See

Table 2-8

.

LAN1-LAN4

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.

TEL1-TEL2

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

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

WLAN port

LED

Always on

The WLAN function is enabled.

Blinks

Data is being transmitted on the

WLAN port.

2 System Overview

EchoLife HG8240/HG8245/HG8247 GPON Terminal

Service Manual

2-12

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Issue 02 (2011-01-26)

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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

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

Figure 2-13

shows the position of the HG8240 in a network.

EchoLife HG8240/HG8245/HG8247 GPON Terminal

Service Manual

2 System Overview

Issue 02 (2011-01-26)

Huawei Proprietary and Confidential

2-13

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