Huawei CG1241 User Manual

CG1241/CG1241D Cable Modem

Quick Start

Chapter 1: Safety Precautions

To use the device properly and safely, read the safety precautions carefully before using the device and strictly observe these precautions when using the device.

Safety precautions:

Keep the device out of the reach of children as the components or accessories may be swallowed.

Install the device in strict compliance with the requirements of the supplier. Reserve a space of at least 10 cm above and around the device for heat dissipation. During the installation, keep the device away from heat or water sources, and electric appliances that generate strong magnetic or electric fields, such as microwave ovens, refrigerators, and mobile phones.

The power supply voltage of the device must meet the requirements on the input voltage of the device.

Do not use any power adapters that are not in the standard configuration. Otherwise, the device may malfunction or be unsafe.

Dry your hands before connecting or disconnecting cables. Stop the device and switch the device off before connecting or disconnecting cables.

Do not place any object on the device, preventing the device from being damaged due to overheating or deformation.

Prevent objects, such as metal or water, from entering the device through the heat dissipation hole.

Switch the device off and disconnect all cables, including the power cable, network cable, and phone cable, during periods of lightning activities.

Do not connect network cables, phone cables, power adapters, or power adapter cables outdoors, preventing device damage and bodily injuries that are prone to occur during thunderstorms.

If an abnormality occurs, for example, liquid entering the device, smoke, unusual sound, and smell, immediately stop the device, switch the device off, disconnect all cables (such as the power cable, and network cable) from the device, and contact the authorized service center.

Do not disassemble the device without permission. In the event of a device fault, contact the authorized service center.

Dispose of packing materials and old/abandoned devices in accordance to local laws and regulations (recycling them is strongly recommended).

Do not change the structure, safety design, or performance design of the device without prior authorization.

Fireproof precautions:

Keep the device away from large heat source equipment, bare flames, and high-power devices, such as electric heaters, candles, and blow drier, to eliminate safety risks.

Replace deteriorated cables or power socket facilities on the power supply line or near the device in a timely manner to eliminate safety risks.

Chapter 2: Introduction

CG1241/CG1241D is a residential VoIP cable modem which has an 802.11bgn WiFi access point that gives you wireless connection to the Internet with 4 Giga Ethernet ports which further expand the Local Area Network (LAN) capabilities. CG1241D provides additional 802.11 WiFi interface supports 802.11A/N capability.

If you have subscribed to phone services from your cable operator then you will be able to place normal phone calls using your analogue phone and/or fax machine. CG1241/CG1241D provides two RJ-11 connectors for your phone or home phone system.

Advanced technology, this residential cable gateway offers Firewall for additional protection and security and VPN (virtual private network).

CG1241/CG1241D will give you broadband Internet access, telephone connection and wireless networking all in one unit.

Package Contents

CG1241/CG1241D WiFi EMTA	x1
Ethernet Cable	x1
Power Adaptor	x1

Chapter 3: Overview

Front Panel

The following illustration shows the front panel of the EMTA:

Power - Indicates the Power status.

DS - Indicates the status of Data reception by the cable modem from the Network (Downstream Traffic). US - Indicates the status of Data transmission by the cable modem to the Network (Upstream Traffic).

Online - Displays the status of your cable connection. The light is off when no cable connection is detected

and fully lit when the modem has established a connection with the network and data can be transferred. Ethernet - Indicates the state of Ethernet ports.

WIFI - Indicates the traffic on the wireless network. Phone1 - Indicates the status of the telephone Phone 1. Phone2 - Indicates the status of the telephone Phone 2. WPS - Indicates the status of the WPS functionality.

There will be 12 LEDs on CG1241/CG1241D

Looking at LED from TOP to Bottom: Power, DS, US, Online, LAN1, LAN2, LAN3, LAN4, WiFi, PHONE1, PHONE2, WPS.

Internet

LAN

CG1241/CG1241D

Power

Wi-Fi

Phone1

Phone2

WPS

Description

Online

Power on 0.25 sec

0.25 second

Boot-up

FLASH

From power ON to system

initialization complete

Operation

Following system

initialization complete to

(before) DS scanning

1 second

FLASH

OFF

During DS scanning and

acquiring SYNC

From SYNC completed,

FLASH

OFF

receiving UCD to ranging

completed

DOCSIS Start-up

During DHCP,

Operation

configuration file

FLASH

download, registration, and

Baseline Privacy

initialization

Operational (NACO=ON)

FLASH

OFF

Operational (NACO=OFF)

FLASH

OFF

MTA DHCP

MTA initialization

OFF

FLASH

MTA SNMP/TFTP

FLASH

RSIP for NCS/Register for

SIP

OFF

No Ethernet Link

Ethernet Link

FLASH

TX/RX Ethernet Traffic

CPE Operation

OFF

Wireless is disable

Wireless initiate success or

enable

FLASH

TX/RX Wireless Traffic

SW Download

A software download and

while updating the FLASH

Operation

FLASH

memory

(long press, > 5 seconds)

WPS WiFi association

Flash

during client and AP

WPS Operation

linking process, WPS LED

Green color light Blinking.

After link established WPS

LED Green color light ON

Flash

Timeout to link.

Rear Panel Connector Description

Slot	Description

CABLE	F-Connector

RESET	Reset/Reboot this Cable modem

ETHERNET 1 2 3 4	Ethernet 10/100/1000 BaseT RJ-45 connector

TEL 1 2	Telephony RJ-11 connector

12VDC	12V DC-IN Power connector

DC Power switch	Power ON/OFF switch

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