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3Com HomeConnect 3CR29220, Руководство по началу работы

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26

C

HAPTER

 4: C

ONFIGURING

 Y

OUR

 C

ABLE

 M

ODEM

■

Session Status: 

This screen displays both the cable 

modem status and operational parameters. The 
status describes the downstream and upstream 
characteristics. The valid range of “Transmit Power 
Level” is 8 dbmV to 58 dbmV. The value range of 
“Upstream Channel ID” is from 1 to 255.

■

Operation Configuration:

 The operational 

parameters displayed on this screen describe 
important aspects of your cable modem’s 
configuration file.

Содержание HomeConnect 3CR29220

Страница 1: ...http www 3com com HomeConnectTM Cable Modem External Getting Started Guide Part No 1 024 2369 00 Published January 2000 ...

Страница 2: ...NT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in F...

Страница 3: ...WARE INSTALLATION Connecting the Cable Modem to Your Computer 13 Installing the Cable ConnectionsTM CD ROM 14 3 CABLE MODEM OPERATION Interpreting Your Cable Modem s LEDs 17 LEDs on the Front of the Modem 17 LED on the Back of the Modem 18 Connectors and Switches on the Back of Your Cable Modem 19 4 CONFIGURING YOUR CABLE MODEM 5 TROUBLESHOOTING AND SUPPORT RESOURCES Troubleshooting 25 I cannot ac...

Страница 4: ...ving Problems 28 If You Need to Return the Modem to Us 28 6 REGULATORY INFORMATION AND LIMITED WARRANTY Manufacturer s Declaration of Conformity 29 Part 15 29 Caution to the User 29 Performance Specifications 29 Export Notices 29 License Agreement 30 Industry Canada IC 30 UL Listing CUL Listing 30 Radio and Television Interference 31 3Com Corporation Limited Warranty 32 Hardware 32 Software 32 Yea...

Страница 5: ...n computer hardware applications service offered by your Broadband Service Provider and network traffic Cable Modem Features Cable line bandwidth allows user data rates of up to 38 megabits per second Mbps faster than 56K analog modems ISDN or ADSL Two way design means that the cable modem sends and receives data over the cable line Plug and play operation ensures easy setup and installation DOCSI...

Страница 6: ... on the white bar code label on the back of the modem and consists of 10 characters preceded by the text SN In the following example label image the serial number is 6LZ1377410 Your cable modem s model number is 3CR29220 In the following example label image the model number is 20 0591 000 The MAC address appears on the white bar code label on the back of the modem and consists of 12 characters pre...

Страница 7: ...r use with your cable modem Your cable provider has set up your cable Internet access account Your cable provider will set up an Internet access account that will allow you to send and receive e mail access the World Wide Web and receive other Internet services This account must be set up before you can use your cable modem Preparing Your Workspace Position your computer so that it is located near...

Страница 8: ...tocol installed see the following two sections for more information on installing TCP IP An active two way cable line An active Ethernet port network interface card NIC installed in your computer or USB network interface Windows 98 or later only An adjustable wrench for securing the cable line to the modem Configuring the TCP IP Protocol NOTE If you are using a Macintosh computer turn to the instr...

Страница 9: ...for an entry named TCP IP This entry may be followed by an arrow and a description of the NIC hardware device or USB network interface installed in your computer If an entry similar to this is present go to step 9 3 If a similar entry is NOT present click Add 4 Click Protocol and then click Add 5 Click Microsoft in the Manufacturers list and then click TCP IP in the Network Protocols list Click OK...

Страница 10: ...is checked If it is not click the box to put a check in it If this option is grayed out then TCP IP is already the default protocol 11 Click OK and then click OK again 12 Reboot your PC by clicking Windows Start clicking Shut Down clicking Restart the computer and then clicking Yes 13 When your desktop reappears click the Windows Start button and then click Run 14 When the Run screen appears type ...

Страница 11: ...ocol and an Ethernet device is installed on your system before you install your cable modem Many Macintosh computers have Ethernet devices installed at the factory 1 Click the Apple icon in the upper left corner of the Finder Scroll down to Control Panels and click TCP IP 2 Click Edit on the Finder gray bar at the top of the screen Scroll down to the bottom of the menu and click User Mode 3 Click ...

Страница 12: ...rver 5 Click the Options button Then click the Active button NOTE In some cases the Load only when needed button will not appear If it is visible click the box A check mark should appear in the box 6 Verify that the Use 802 3 box is unchecked circled in the following image If there is a check mark in the box click it ...

Страница 13: ...r Macintosh With the power off simultaneously depress and hold down the Command Apple Option P and R keys on your keyboard Keeping those keys depressed power on the Macintosh The machine will start and you will hear the Apple chime Keep these keys depressed for up to 3 chimes then release the keys and allow the computer to start up When fully rebooted ensure that all TCP IP settings match those in...

Страница 14: ...16 CHAPTER 1 BEFORE YOU BEGIN ...

Страница 15: ...m s CATV cable connector Be careful not to bend the wire in the center of the cable line when you connect it to the cable modem After hand tightening the CATV cable connector use your adjustable wrench to firmly tighten it Be careful not to over tighten the connector or you may damage either the connector or your cable modem If you plan to have your cable line connected to your television as well ...

Страница 16: ...n depth description of the front panel LED indicators 4 Plug the computer s power cord back into the computer Switch on the computer When installation is complete your setup should resemble the diagram on page 15 Installing the Cable ConnectionsTM CD ROM Although you do not need to install the included Cable ConnectionsTM CD ROM to use your cable modem you will want to discover the valuable free s...

Страница 17: ...Installing the Cable ConnectionsTM CD ROM 19 ...

Страница 18: ...20 CHAPTER 2 HARDWARE AND SOFTWARE INSTALLATION ...

Страница 19: ... what they can tell you about the performance of your modem and the condition of your connection LEDs on the Front of the Modem 1 Power Indicates power is applied to the cable modem This light is solid green when the modem is on You will also hear an audio notification once power is applied 2 Link Status This LED indicates the modem s connection status It blinks steadily until the modem has establ...

Страница 20: ...ED as well LED on the Back of the Modem The LED on the back of your cable modem located by the power adapter jack is a status LED The following chart explains how to interpret it s activity data rate multifunction Table 1 LED STATE REPEATING DESCRIPTION SHORT OFF LONG ORANGE YES Startup power on self test ORANGE NO Failed power on self test SHORT OFF SHORT ORANGE YES Downstream hunt LONG ORANGE SH...

Страница 21: ...xial cable that leads to your splitter or your cable wall jack 2 RJ 45 Jack This is where you plug the included RJ 45 Ethernet cable The other end connects to the RJ 45 jack on your NIC or to the RJ 45 jack on your USB network interface depending on the type of installation you chose 3 Power Jack This is where you plug in the power adapter that came with your cable modem Remember to use only the p...

Страница 22: ...24 CHAPTER 3 CABLE MODEM OPERATION ...

Страница 23: ...lorer on the Cable Connections CD ROM included with your kit 1 Open your Web browser and point it to the following URL http 149 112 50 65 2 The Configuration Screens menu is the first that appears Here s an overview of the options on the Configuration Screens menu Cable Modem Configuration Clicking this option launches the Cable Modem Configuration screen which displays your cable modem s MAC addr...

Страница 24: ...ters The status describes the downstream and upstream characteristics The valid range of Transmit Power Level is 8 dbmV to 58 dbmV The value range of Upstream Channel ID is from 1 to 255 Operation Configuration The operational parameters displayed on this screen describe important aspects of your cable modem s configuration file ...

Страница 25: ...ccess these screens in this page Once you change this setting you can type the text entered here into your browser s URL window to access the configuration screens Volume Control This page allows you to adjust the volume of the sounds emitted by your cable modem ...

Страница 26: ...28 CHAPTER 4 CONFIGURING YOUR CABLE MODEM ...

Страница 27: ...emoving the power adapter from its outlet and then plugging it back into the outlet Then try reconnecting to your Broadband Service Provider BSP Call your cable service provider to verify that their service is two way This modem is designed for use with two way cable plants Your network interface card or USB network interface may be malfunctioning Refer to its documentation for troubleshooting inf...

Страница 28: ...rify whether or not a weak signal may be the problem All four of the LEDs on the front of my cable modem are lighted and blinking Call your BSP or 3Com s technical support for assistance All of the LEDs on the front of my modem look right but I still can t access the Internet If the Power Link Status LEDs and Data Rate LEDs are lighted your cable modem is operating properly Try shutting down and p...

Страница 29: ...e page log on to http consumer 3com com cable You can send a message to technical support by clicking Contact Us in the Site Tools section of this Web site 90 Day Free Installation Support 3Com offers free installation support for this product 90 days after purchase Please call the following toll free number 888 877 5040 After the 90 day limit refer to our regular technical support hotline Technic...

Страница 30: ...entative determines that you need to return the modem you will receive a USO User Service Order number You must have a USO number before returning the modem to us Ship the unit postage paid in a strong box made of corrugated cardboard with plenty of packing material DO NOT send the modem back in the original box Send ONLY the modem NOT manuals diskettes etc Include your USO number name and address...

Страница 31: ...eived including interference that may cause undesired operations Caution to the User The user is cautioned that any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Performance Specifications This equipment has a bit error rate BER less than 10 8 when the signal to noise ratio SNR is 23 5 dB or greater ...

Страница 32: ...r physically or electronically the encryption software or accompanying documentation or copies thereof or any products utilizing the encryption software or such documentation without obtaining written authorization from the U S Department of Commerce Industry Canada IC This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the interfer...

Страница 33: ... reception when the modem is installed and when it is removed from the computer try to correct the problem with one or more of the following measures Reorient the receiving antenna for televisions with antenna reception only or cable input device Relocate the computer with respect to the receiver Relocate the computer and or the receiver so that they are on separate branch circuits If necessary co...

Страница 34: ... ninety 90 days from shipment or the remainder of the initial warranty period whichever is longer Software 3Com warrants to Customer that each software program licensed from it will perform in substantial conformance to its program specifications for a period of ninety 90 days from the date of purchase from 3Com or its authorized reseller 3Com warrants the media containing software against failure...

Страница 35: ...rdware Warranty stated above 3Com warrants that each product sold or licensed to Customer on and after January 1 1998 that is date sensitive will continue performing properly with regard to such date data on and after January 1 2000 provided that all other products used by Customer in connection or combination with the 3Com product including hardware software and firmware accurately exchange date ...

Страница 36: ...be insured or sent by a method that provides for tracking of the package The repaired or replaced item will be shipped to Customer at 3Com s expense not later than thirty 30 days after 3Com receives the defective product WARRANTIES EXCLUSIVE IF A 3COM PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE CUSTOMER S SOLE REMEDY FOR BREACH OF THAT WARRANTY SHALL BE REPAIR REPLACEMENT OR REFUND OF THE PURCHASE...

Страница 37: ...RISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR INTERRUPTION OF ITS PRODUCTS EVEN IF 3COM OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES AND LIMITS ITS LIABILITY TO REPAIR REPLACEMENT OR REFUND OF THE PURCHASE PRICE PAID AT 3COM S OPTION THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY REMEDY PROVI...

Страница 38: ...ED WARRANTY Governing Law This Limited Warranty shall be governed by the laws of the State of California U S A excluding its conflicts of laws principles and excluding the United Nations Convention on Contracts for the International Sale of Goods ...

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