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Power adapter of the ADSL modem

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3 Hardware Installation HUAWEI HG231f Wireless-N Router User Guide Figure 3-2 Cable connections of an ADSL broadband network before the router is installed on the network 1 POWER LAN 2 RESET ADSL 6 MODEM ## ### # PHONE LINE 5 3 4 1. Power adapter of the ADSL modem 3. Telephone 5. Telephone line interface on the wall 2. PC 4. Splitter 6. ADSL modem Figure 3-2 takes the Huawei SmartAX MT880d ADSL customer-premises equipment (CPE) as an example of the ADSL modem on the ADSL broadband network. Other models of ADSL modems might vary in appearance. Their interface types and cable connections, however, are similar to those of the modem as shown in Figure 3-2. Figure 3-3 shows the cable connections of an ADSL broadband network after the router is installed on the network. 3-4 Issue 01 (2010-04-01)

Section	Page
HUAWEI HG231f Wireless-N Router Wireless-N	1
Contents	4
About This Document	10
1 Warnings and Precautions	13
2 Product Overview	16
2.1 Product Features	16
2.2 Hardware	17
2.2.1 Interfaces and Buttons	17
2.2.2 Indicators	17
3 Hardware Installation	20
3.1 Selecting a Position for the Router	20
3.2 Knowing Cable Connections	20
3.3 Powering On the Router	21
3.4 Installing the Router on an ADSL Broadband Network	22
3.5 Installing the Router on a CATV Broadband Network	25
3.6 Installing the Router on a Community Broadband Network	26
4 Configuration of Internet Access Parameters	28
4.1 Logging In to the Web-Based Configuration Utility	28
4.2 Using the Setup Wizard	28
5 Configuration of WLAN Parameters	30
5.1 Setting Up a Wireless Connection Through the WPS Button	30
5.2 Setting Up a Wireless Connection Through the AP PIN Mode	30
5.3 Setting Up a Wireless Connection Manually	31
6 Configuring Frequently Used Functions	34
6.1 Configuring Multiple PCs to Access the Internet Simultaneously	34
6.2 Enabling or Disabling the WLAN Function	35
6.3 Improving the Security of a WLAN	35
6.3.1 Hiding the Name of a WLAN	35
6.3.2 Changing the Name of a WLAN	36
6.3.3 Using Secure Encryption	37
6.3.4 Allowing Only Specified PCs to Be Connected to a WLAN	38
6.4 Controlling the Internet Access Rights of PCs	40
6.5 Prohibiting PCs from Accessing Specified Web Sites	42
6.6 Setting the Available Bandwidth of a PC	43
6.7 Preventing Attacks on the Internet	44
6.8 Removing the Restriction Caused by the Binding of the Internet Access Account to the MAC Address	47
6.9 Allowing Internet Users to Access an Internal Resource Server	48
6.10 Expanding the Coverage of a WLAN	50
7 Maintenance Guide	55
7.1 Changing the Administrator Password of the Web-based Configuration Utility	55
7.2 Changing the Login IP Address of the Web-based Configuration Utility	56
7.3 Backing Up or Importing a Configuration File	56
7.4 Restoring Default Settings	57
7.5 Upgrading Software	58
8 FAQs	59
A Technical Specifications	62
B Default Settings	63