Cisco Router DPC3208 User Manual

 
 
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Introduction 
This chapter describes how to maintain and replace the battery that is 
included with the cable modem.   
 
 
4 Chapter 4 
Maintaining the Battery 
In This Chapter 
 Location of the Battery ......................................................................... 28 
 Battery Maintenance ............................................................................. 29  

 
Chapter 4    Maintaining the Battery  
 
 
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Location of the Battery 
The following illustration shows the location of the battery. 
 
  

 
 
 Battery Maintenance 
 
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Battery Maintenance 
If your cable modem contains a battery backup feature, a Lithium-Ion battery 
provides stand-by operation in the event of an AC power failure. You can replace 
the battery without the use of any tools. 
 WARNING: 
Fully charged high-capacity rechargeable batteries should be handled with 
care. Replace only with the battery recommended by the manufacturer. Do not 
disassemble it or attempt to recharge the battery outside the system. Do...

 
Chapter 4    Maintaining the Battery  
 
 
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4 Insert a new battery into the battery compartment. Do not force the battery into 
the compartment, but be sure to press the battery all the way in until it seats 
fully. 
 
5 Close the battery compartment door. The battery lock will automatically re-
engage. 
Important: Dispose of the battery in accordance with local regulations and 
instructions from your service provider.  
Using the Cable Modem Without a Battery 
If you want, you can use...

 
 
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Introduction 
This chapter describes the most common issues that may occur after 
the cable modem is installed and provides possible solutions and tips 
for improved performance of the cable modem.  
 
 
5 Chapter 5 
Troubleshooting the DOCSIS 
Cable Modem 
In This Chapter 
 Frequently Asked Questions ............................................................... 32 
 Common Troubleshooting Issues ....................................................... 37 
 Tips for Improved...

 
Chapter 5    Troubleshooting the DOCSIS Cable Modem  
 
 
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Frequently Asked Questions 
This section provides answers to common questions about the cable modem.  
How Do I Configure TCP/IP Protocol? 
To configure TCP/IP protocol, you need to have an Ethernet Network Interface Card 
(NIC) with TCP/IP communications protocol installed on your system. TCP/IP is a 
communications protocol used to access the Internet. This section contains 
instructions for configuring TCP/IP on your...

 
 
 Frequently Asked Questions 
 
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4 Click Internet Protocol (TCP/IP), and then click Properties in the Local Area 
Connection Properties window. 
5 Select both Obtain an IP address automatically and Obtain DNS server address 
automatically in the Internet Protocol (TCP/IP) Properties window, and then 
click OK. 
6 Click Yes to restart your computer when the Local Network window opens. The 
computer restarts. The TCP/IP protocol is now configured on your PC, and your 
Ethernet devices...

 
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How Do I Renew the IP Address on My PC? 
If your PC cannot access the Internet after the cable modem is online, it is possible 
that your PC did not renew its IP address. Follow the appropriate instructions in this 
section for your operating system to renew the IP address on your PC.  
Renewing the IP Address on Windows 7 Systems 
1 Click the Windows Start button. 
2 Type cmd in the Search box. The cmd window opens. 
3 Type...

 
 
 Frequently Asked Questions 
 
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11 Click Options in the TCP/IP window, and then click Active in the TCP/IP 
Options window. 
Note: In some cases, the Load only when needed option does not appear. If it 
appears, select the option. A check mark appears in the option. 
12 Verify that the Use 802.3 option located in the upper-right corner of the TCP/IP 
window is not selected. If there is a check mark in the option, select the option to 
clear the check mark, and then click Info in...

 
Chapter 5    Troubleshooting the DOCSIS Cable Modem  
 
 
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Can I Use my Existing Phone Number with the Cable Modem?  
Telephone numbers are portable in some areas. Contact your telephone service 
provider for more information about using an existing telephone number.  
How Many Telephones Can I Connect?  
The RJ-11 telephone-style connectors on the cable modem can each provide 
telephone service to multiple telephones, fax machines, and analog modems. The 
maximum number of telephone...