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18 

 

4015259 Rev C 

 

How Do I Configure TCP/IP Protocol? 

 

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 Internet devices to operate with the 
cable modem in Microsoft Windows or Macintosh environments. 

Configuring TCP/IP on Your Internet Devices 

TCP/IP protocol in a Microsoft Windows environment is different for each 
operating system. Follow the appropriate instructions in this section for your 
operating system. 

 

Configuring TCP/IP on Windows 95, 98, 98SE, or ME Systems 

1

 

Click 

Start

, select 

Settings

, and choose 

Control Panel

2

 

Double-click the 

Network 

icon in the Control Panel window. 

3

 

Read the list of installed network components under the 

Configuration 

tab to 

verify that your PC contains the TCP/IP protocol/Ethernet adapter. 

4

 

Is TCP/IP protocol listed in the installed network components list? 

 

If 

yes

, go to step 7. 

 

If 

no

, click 

Add

, click 

Protocol

, click 

Add

, and then go to step 5. 

5

 

Click 

Microsoft 

in the Manufacturers list. 

6

 

Click 

TCP/IP

 in the Network Protocols list, and then click 

OK

7

 

Click the

 TCP/IP Ethernet Adapter

 protocol, and then choose 

Properties

8

 

Click the 

IP Address 

tab, and then select 

Obtain an IP address automatically

9

 

Click the 

Gateway 

tab and verify that these fields are empty. If they are not 

empty, highlight and delete all information from the fields. 

10

 

Click the 

DNS Configuration

 tab, and then select 

Disable DNS

11

 

Click

 OK

12

 

Click 

OK 

when the system finishes copying the files, and then close all 

networking windows. 

13

 

Click 

YES 

to restart your computer when the System Settings Change dialog box 

opens. The computer restarts. The TCP/IP protocol is now configured on your 
PC, and your Ethernet devices are ready for use. 

14

 

Try to access the Internet. If you cannot access the Internet, go to 

Having 

Difficulty?

 (on page 25). If you still cannot access the Internet, contact your 

service provider for further assistance. 

Summary of Contents for DPC2505

Page 1: ... My Cable Modem 13 What Are the System Requirements for Internet Service 14 How Do I Set Up My High Speed Internet Access Account 15 How Do I Connect My Devices to Use the Internet 16 How Do I Configure TCP IP Protocol 18 How Do I Install USB Drivers 21 How Do I Mount the Cable Modem on the Wall 23 Having Difficulty 25 Tips for Improved Performance 27 How Do I Renew the IP Address on My PC 28 Fron...

Page 2: ...ructions unless you are qualified to do so 20060608SICM EN Notice à l attention des installateurs de réseaux câblés Les instructions relatives aux interventions d entretien fournies dans la présente notice s adressent exclusivement au personnel technique qualifié Pour réduire les risques de chocs électriques n effectuer aucune intervention autre que celles décrites dans le mode d emploi et les ins...

Page 3: ...ienungsanleitung aufgeführt sind außer Sie sind zur Durchführung solcher Arbeiten qualifiziert 20060810SICM GR Aviso a los instaladores de sistemas CATV Las instrucciones de reparación contenidas en el presente aviso son para uso exclusivo por parte de personal de mantenimiento cualificado Con el fin de reducir el riesgo de descarga eléctrica no realice ninguna otra operación de reparación distint...

Page 4: ... grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet If this product is equipped with either a three prong grounding pin safety pl...

Page 5: ...ith the manufacturer s instructions Do not place this apparatus on a bed sofa rug or similar surface Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not install this apparatus in an enclosure such as a bookcase or rack unless the installation provides proper ventilation Do not place entertainment devices such...

Page 6: ... as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Do not expose this product to liquids or moisture Do not place this product on a wet surface Do not spill liquids on or near this product Do not use this product near water such as a bathtub washbowl sink or laundry tub in a wet basement or near a swimming pool Accessories Warnings WARNING ...

Page 7: ...sture The apparatus does not operate normally The apparatus has been dropped Checking Product Safety Upon completion of any service or repairs to this product the service technician must perform safety checks to determine that this product is in proper operating condition Lightning For added protection unplug this apparatus during lightning storms or when unused for long periods of time In additio...

Page 8: ...le company or an experienced radio television technician for help Any changes or modifications not expressly approved by Cisco Systems Inc could void the user s authority to operate the equipment The information shown in the FCC Declaration of Conformity paragraph below is a requirement of the FCC and is intended to supply you with information regarding the FCC approval of this device The phone nu...

Page 9: ...utstanding benefits and features Provides a high speed broadband Internet connection that energizes your online experience which makes downloading and sharing files and photos with your family and friends hassle free Features Plug and Play operation for easy set up and installation Offers a Gigabit Ethernet port supporting both Gigabit and 10 100BaseT speeds Includes both a USB 2 0 data port that ...

Page 10: ...ernet cable CAT5 RJ 45 One power adapter with power cord One USB cable not included with all models One CD ROM containing the user s guide and the USB drivers If any of these items are missing or damaged please contact your service provider for assistance Note You will need an optional cable signal splitter and additional standard RF coaxial cables if you want to connect a VCR a Digital Home Commu...

Page 11: ... signal DS 2 3 Downstream LEDs 2 3 Off while the cable modem is connecting to the network after connecting illuminate solid green to indicate wideband operation and Off if no wideband channels are found 3 US Upstream Off when no upstream connectivity is present illuminates solid green to indicate the upstream connection is operational blinks to indicate that upstream calibration is in progress and...

Page 12: ...cord that is provided with your cable modem CAUTION Avoid damage to your equipment Only use the AC power adapter and power cord that is provided with your cable modem 2 ETHERNET RJ 45 Gigabit Ethernet port connects to the Ethernet port on your PC 3 RESET Reset to Default button Factory Reset Note This button is for maintenance purposes only Do not use unless told to do so by your service provider ...

Page 13: ...before you decide where to place your cable modem Consider these recommendations Position your PC and cable modem so that they are located near an AC power outlet Position your PC and cable modem so that they are located near an existing cable input connection to eliminate the need for an additional cable outlet There should be plenty of room to guide the cables away from the modem and the PC with...

Page 14: ...stem Requirements for a PC A PC with a Pentium MMX 133 processor or greater 32 MB of RAM Web browsing software CD ROM drive Minimum System Requirements for Macintosh MAC OS 7 5 or later 32 MB of RAM System Requirements for an Ethernet Connection A PC with Microsoft Windows 95 operating system or later with TCP IP protocol installed or an Apple Macintosh computer with TCP IP protocol installed An a...

Page 15: ...information The serial number of the modem The Media Access Control MAC address of the modem These numbers appear on a bar code label located on the cable modem The serial number consists of a series of alphanumeric characters preceded by S N The MAC address consists of a series of alphanumeric characters preceded by CM MAC The following illustration shows a sample bar code label Write down these ...

Page 16: ...et devices in your home or office Sharing one connection among many devices is called networking Connecting and Installing Internet Devices You must connect and install your cable modem to access the Internet Professional installation may be available Contact your local service provider for further assistance To connect devices The following diagram illustrates one of the various networking option...

Page 17: ...a VCR 4 Insert the AC power cord into the POWER connector on the back of the cable modem and then plug the cord into an AC power source 5 Plug in and power on your networked devices including your PC The cable modem will then begin an automatic search to locate and sign on to the broadband data network This process may take up to 5 minutes The modem will be ready for use when the ONLINE LED status...

Page 18: ...s the TCP IP protocol Ethernet adapter 4 Is TCP IP protocol listed in the installed network components list If yes go to step 7 If no click Add click Protocol click Add and then go to step 5 5 Click Microsoft in the Manufacturers list 6 Click TCP IP in the Network Protocols list and then click OK 7 Click the TCP IP Ethernet Adapter protocol and then choose Properties 8 Click the IP Address tab and...

Page 19: ...ows XP Systems 1 Click Start and depending on your Start menu setup choose one of the following options If you are using the Windows XP Default Start Menu select Connect to choose Show all connections and then go to step 2 If you are using the Windows XP Classic Start Menu select Settings choose Network Connections click Local Area Connection and then go to step 3 2 Double click the Local Area Con...

Page 20: ...ht corner of the TCP IP window is unchecked If there is a check mark in the option uncheck the option and then click Info in the lower left corner 7 Is there a Hardware Address listed in this window If yes click OK To close the TCP IP Control Panel window click File and then scroll down to click Close You have completed this procedure If no you must power off your Macintosh 8 With the power off si...

Page 21: ... CD ROM drives in the Found New Hardware Wizard window and then click Next 6 Click Next in the Found New Hardware Wizard window The system searches for the driver file for your hardware device 7 After the system finds the USB driver the Digital Signature Not Found window opens and displays a confirmation message to continue the installation 8 Click Yes to continue the installation The Found New Ha...

Page 22: ...ntinue the installation The Found New Hardware Wizard window reopens with a message that the installation has finished 6 Click Finish to close the Found New Hardware Wizard window The USB drivers are installed on your PC and your USB devices are ready for use 7 Try to access the Internet If you cannot access the Internet go to Having Difficulty on page 25 If you still cannot access the Internet co...

Page 23: ...elving underneath to allow access to cabling In addition leave enough slack in all cables so that the cable modem can be removed for any required maintenance without disconnecting the cables Also verify that you have the following items Two wall anchors for 8 x 1 inch screws Two 8 x 1 inch pan head sheet metal screws Drill with a 3 16 in wood or masonry bit A copy of the wall mounting illustration...

Page 24: ...m into a drywall or concrete surface where a wooden stud is not available If yes drive the anchor bolts into the wall and then go to step 3 If no go to step 3 3 Install the mounting screws into the wall or the anchor bolts as appropriate and leave a gap of about 1 4 in between the screw head and the wall 4 Verify that no cables or wires are connected to the cable modem 5 Lift the cable modem into ...

Page 25: ...se an Ethernet interface Ethernet cards available from your local PC or office supply retailer or from your service provider Q After my cable modem is connected how do I access the Internet A Your local service provider becomes your Internet Service Provider ISP They offer a wide range of services including e mail chat news and information services Your service provider will provide the software y...

Page 26: ...e status of the front panel status indicator lights The cable modem does not register an Ethernet connection after connecting to a hub If you are connecting multiple PCs to the cable modem you should first connect the modem to the uplink port of the hub using the correct crossover cable The LINK LED of the hub will illuminate continuously The cable modem does not register a cable connection The mo...

Page 27: ...t it supports two way service Verify that all cables are properly connected and that you are using the correct cables Verify that your TCP IP is properly installed and configured if you are using the Ethernet connection Verify that you have followed the procedures in How Do I Install USB Drivers on page 21 if you are using the USB connection Verify that you have called your service provider and gi...

Page 28: ... window displays the Ethernet adapter information 4 Click Release and then click Renew The IP Configuration window displays a new IP address 5 Click OK to close the IP Configuration window you have completed this procedure Note If you cannot access the Internet contact your service provider for further assistance Renewing the IPAddress on Windows NT 2000 or XP Systems 1 Click Start and then click ...

Page 29: ...erations on page 30 Front Panel LED Status Indicators During Initial Power Up Calibration and Registration Step 1 2 3 4 5 6 7 8 Front Panel Indicator Power Up Self Test Downstream Scan Downstream Signal Lock Ranging Requesting IP Address Registering Registration Complete 1 POWER On On On On On On On On 2 DS 1 Blinks On 1 sec Blinks On On On On On DS 2 3 Blinks On 1 sec Off Off Off Off Off On when ...

Page 30: ...ON When a single device is connected to either the Ethernet or USB port and no data is being sent to or from the modem BLINKS When only one Ethernet or USB device is connected and data is being transferred between the consumer premise equipment CPE and the cable modem OFF When no devices are connected to either the Ethernet or USB ports Notes When both Ethernet and USB devices are connected to the...

Page 31: ... ON When a single device is connected to either the Ethernet or USB port and no data is being sent to or from the modem BLINKS When only one Ethernet or USB device is connected and data is being transferred between the consumer premise equipment CPE and the cable modem OFF When no devices are connected to either the Ethernet or USB ports Notes When both Ethernet and USB devices are connected to th...

Page 32: ...any time without notice This document is not to be construed as conferring by implication estoppel or otherwise any license or right under any copyright or patent whether or not the use of any information in this document employs an invention claimed in any existing or later issued patent Copyright 2006 2012 Cisco and or its affiliates All rights reserved Printed in the United States of America In...

Page 33: ...Notice The firmware in this equipment is copyrighted You may only use the firmware in the equipment in which it is provided Any reproduction or distribution of this firmware or any portion of it without express written consent is prohibited ...

Page 34: ...es various trademarks of Cisco Systems Inc Please see the Notices section of this document for a list of the Cisco Systems Inc trademarks used in this document Product and service availability are subject to change without notice 2006 2012 Cisco and or its affiliates All rights reserved May 2012 Printed in USA Part Number 4015259 Rev C ...

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