Instruction/ maintenance manual of the product Cable Modem External 3Com
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http: //www .3com.co m/ HomeCon nect TM Cable Modem Exter nal with USB Getting St arted Guid e Part No. 10038811 Published June 2000.
3Com Corporation 3800 Golf R d. Rolling Meadows, IL 60008 No part of this documentation may be reproduced in any form or by any means or used to make a ny derivati ve work (su ch as transl ation, tran sformation, or adaptat ion) without writte n permission from 3Com Cor poration.
C ONTENTS 1 B EFOR E Y OU B EGI N Intr oduction 1 Cable M odem Featur es 1 Conta cting Y ou r Local Cable Serv ice Pr ovider 2 Preparing Y our Workspace 3 Y ou W ill Ne ed These Items 4 Suppli ed 4 Al.
Connec tors and Switches on the Ba ck of the Cable Modem 41 5 V IEWI NG TH E C ABLE M ODEM ’ S C ONFIG URATIO N 6 S UPPORT R ESOUR CES Support R esour ces 47 World Wide W eb 47 90-Day Free Installat.
1 B EFOR E Y OU B EGIN Int r oduction Y ou have just purchased a m odem featur ing a pion eering new techn ology , making Inter net acce ss possib le at spee ds previously onl y imagine d.
2 C HAPTE R 1: B EFORE Y OU B EGIN hard disk space; (2 ) applicat ions runnin g simulta neously with the mo dem whic h use var ying a mounts of your computer’ s resources; (3) the capacity of the Internet ser vice you o rder from your provider ; (4) the level of network t raffic, which varies depen ding on w hen and where you go onlin e.
Prepari ng Y ou r W orksp ace 3 be able t o communicate with your cab le service provider’ s Inte rnet a ccess service . Y o u should immedia tely consult your cable service provider and place of purchase to d etermin e the proper 3Com ® cable modem to use.
4 C HAPTE R 1: B EFORE Y OU B EGIN CAUTION : Y o ur cable ser vice provider wi ll provide a cable connectio n. Do not at tempt any rewiring wi thout firs t contacting your cable s ervice provider .
2 USB I NSTALLATION Deci ding Whic h Ins tallati on Pr ocess to Use The 3Com ® Home Connect ™ c able mod em al lows you to connect to the Inte rnet using either th e USB port or the Ether ne t port. Be su re to foll ow the in structions provid ed for the port that yo u want to us e.
6 C HAPTE R 2: USB I NSTALL ATION center o f the cabl e line when you conn ect it t o the cabl e mode m. After h and -tigh tening th e CA TV cable connec tor , use the adjust able wrench to f irmly tight en it. Be careful not to o ver -tighten t he connector or you may damage e ither the co nnector or the cable mode m.
Using USB with the W indo ws 98 Operating S ystem 7 4 Click Next . 5 Selec t Search for the best driver for your device. (Recomme nded) and click Next.
8 C HAPTE R 2: USB I NSTALL ATION 6 Check th e CD-ROM drive check box an d click Next to sear ch for the necessar y driver files. 7 If W indows finds an u pdated driver , s elect The up dated driver (Reco mmended ) 3Com HomeCon nect Cable Mode m and cl ick Ne xt .
Using USB with the W indo ws 98 Operating S ystem 9 8 Click Next. The computer automatically copie s the necess ary driv er files fr om the CD. The c omputer finishes copying the driver file s and prompts you to insert t he W indows 98 CD into the CD- ROM drive.
10 C HAPTE R 2: USB I NSTALL ATION The computer automatically copies the necessary system files . 10 Click Finish after the compute r has cop ied the nece ssary files .
Using USB with the W indo ws 98 Operating S ystem 11 The System Set tings Chan ge dial og box ope ns. 11 Click Ye s to r estart th e computer . 12 V erify t hat the cable mod em is op erating properly . Wh en the mod em is ope rating properly , th e cable modem Link Stat us and Power LED s ar e lighte d a solid gr een.
12 C HAPTE R 2: USB I NSTALL ATION Modem Operatio n” for a more in-depth descripti on of the front panel LED indicat ors. Using th e Cabl e Connec tions ™ CD The include d Cable Co nnections CD co ntains the softw ar e drivers n ecessary f or install ation usin g the USB por t and valuable free sof tware pr oducts.
Using USB w ith the Wi ndows 2000 Oper ating Syste m 13 accidenta lly select the wrong software and cl ick Add/Remo ve , th e Wind ows del etes the softwa re an d you will ha ve to re-i nstall it. 6 Click Add/R emove. The syst em remove s the 3Com HomeCo nnect Cabl e Modem s oftware.
14 C HAPTE R 2: USB I NSTALL ATION 3 The Found New H ar dware W izard screen appears. Insert the in cluded Cable Connection s CD into the CD-RO M dr ive and C lick Ne xt . 4 Selec t Search for a suitabl e driver for m y device (reco mmended ) and click Nex t .
Using USB w ith the Wi ndows 2000 Oper ating Syste m 15 5 Check th e CD-ROM drives check box and cl ick Ne xt to sear ch for the necessar y driver files. 6 The Found New H ar dware W izard displays the search r esu lts. Cl ick Nex t to in stall th e driver fi les for the cable modem.
16 C HAPTE R 2: USB I NSTALL ATION 7 The Digital Si gnature Not Fo und screen appe ars. Cl ick Ye s to continue the driv er install ation. 8 The Found New H ar dware W izard completes t he driver instal latio n. Clic k Finish to close the Found New H ar dware Wi za r d .
Using USB w ith the Wi ndows 2000 Oper ating Syste m 17 If you ar e powering up the cab le modem for the fi rst time, allow 1 5 minute s for thi s pr o c ess to finish . See “Cab le Modem Operatio n” for a more in-depth descripti on of the front panel LED indicat ors.
18 C HAPTE R 2: USB I NSTALL ATION 11 V e rify that you have selected 3Com Ho meConnect Cable Modem th en select Y e s, I wa nt to unin stall this de vice. 12 Click Ne xt . 13 Click Finish whe n W indows i nforms you t hat it has successfully uninstalled the selected device.
T roub leshooting the USB Installation 19 ■ Power of f the computer . Power cycle the computer by unpluggi ng the compu ter from its elec trical out let and then pl ugging it b ack into th e outlet. T hen try re connecting to your cable service pr ovider .
20 C HAPTE R 2: USB I NSTALL ATION c In the Ethernet Adapte r Information gr oup ar ea, click the drop down arrow and select 3Com Ho meConnect Cabl e Modem. d Click Relea se . The I P addr ess change s to 0. 0.0.0. e Click Renew to refr esh the IP ad dr ess.
T roub leshooting the USB Installation 21 d After th e syste m rel ease s the IP add r ess, at the command prompt type ipconfig /renew and pr ess t he Ente r key (notice th at ther e is a space be tween ipconf ig and /renew ). e Exit t he Comma nd Prompt s creen to retur n to t he W indows des ktop.
22 C HAPTE R 2: USB I NSTALL ATION All of the LEDs on the front of my modem look right, but I still cannot acce ss the Interne t. ■ If the P ower , Link St atus LEDs, and Data Rate LEDs are lighted, the cabl e modem is operating p roperly . T ry shutting down the co mputer an d then tur ning it back on.
T roub leshooting the USB Installation 23.
24 C HAPTE R 2: USB I NSTALL ATION.
3 E THER NET I NSTALLATION Deci ding Whic h Ins tallati on Pr ocess to Use The 3Com ® Home Connect ™ c able mod em al lows you to connect to the Inte rnet using either th e USB port or the Ether ne t port. Be su re to foll ow the in structions provid ed for the port that yo u want to us e.
26 C HAPTE R 3: E THE RNET I NS TALLATION Configuring the TCP/IP Pr otocol on a Windows PC Y ou need to have an Ethe rnet network inte rface card (NIC) and the TCP/IP commu nications protocol installed on your syst em be for e you install t he cabl e mode m.
Settin g Up the Comput er to Use an Ethe rnet Connect ion 27 For the Windows 2000 Operating System 1 Right-cl ick the My Net work Place s icon on the Windows deskto p. 2 Right-c lick on Local Area Connection and click Prop ertie s . 3 A list of install ed network componen ts appear s.
28 C HAPTE R 3: E THE RNET I NS TALLATION 2 Click Edit on the Finde r (gray bar) at the top of the screen. Scroll down to the bottom of the me nu and cli ck User Mode . 3 Click Advanced then cli ck OK . 4 Click the Up/Down se lector ar r ows (to th e right of Configur e ) and select U sing DHCP Ser ver .
Settin g Up the Comput er to Use an Ethe rnet Connect ion 29 5 Click Options . Then click Active . In so me ca ses, th e Load only wh en need ed check box does not appe ar . If it is vi sible, cl ick the box. A check mark appe ars in the box . 6 Click OK .
30 C HAPTE R 3: E THE RNET I NS TALLATION 8 V erify that ther e is a hard war e addre s s li sted in the TCP /IP Info screen. If ther e is, cl ick OK and close the TCP/ IP Cont rol Pane l (click File and s cr oll down t o click Clos e ).
Settin g Up the Comput er to Use an Ethe rnet Connect ion 31 in t he pr eceding i nstr uct ions. If the computer s till d oes not have a H ardwar e Address, plea se contact your local Apple author ized deal er or Appl e support. Connec ting the Cable M odem 1 Power of f the computer .
32 C HAPTE R 3: E THE RNET I NS TALLATION Modem Operatio n” for a more in-depth descripti on of the front panel LED indicat ors. 4 Power on the co mputer .
T roub leshooti ng the E therne t Installat ion 33 cables so that the ca ble modem is connected dir ectly to the cable w all jack. The n try r econnecti ng to your cable service provider . ■ Check for a r esour ce conflict. T o do this, right-click the My Comput er icon on t he W indows des ktop.
34 C HAPTE R 3: E THE RNET I NS TALLATION e Click Renew to refr esh the IP ad dr ess. The r efres hed address may or may not be the same as the or iginal IP address. T o release and renew the IP a ddress for the Windows 2000 operating system: a Click W indow s St art and select Pr ograms, then Accessories .
T roub leshooti ng the E therne t Installat ion 35 e Exit t he Comma nd Prompt s creen to retur n to t he W indows des ktop. The Cab le Status LE D never stops blinking. The sig nal from your ca ble servi ce provider’ s eq uipmen t may be too weak or th e cable li ne may not b e properly attached to the modem.
36 C HAPTE R 3: E THE RNET I NS TALLATION The power on my modem goes on and of f sporadically . T he Link Status light never stops blinking. Y ou may be us ing the wrong p ower adapte r . Check that the power adapter you ar e using is the one that came with the cable modem.
T roub leshooti ng the E therne t Installat ion 37.
38 C HAPTE R 3: E THE RNET I NS TALLATION.
4 C ABLE M ODEM O PERATION When the cabl e modem is properly ins talled and th e power adap ter is conne cted to AC power , the mo dem auto mat ically scans for the ac tive cabl e mode m ch anne l fro m your ca ble service pr ovider’ s server .
40 C HAPTE R 4: C ABLE M ODEM O PERATION ■ Data Rate - I ndicates dat a is being tra nsmitted ove r the cable n etwor k. This LED s hould b lin k when d ata is b eing transm itted o ver the RF interfa ce and a t a rate dependent on data through put.
Conn ect ors and Swit ches on the Ba ck of t he Ca ble Mod em 41 Connec tors and Switches on th e Back of the Cable Modem 1P o w e r J a c k : This is wher e you plug in th e power ad apter that came with the cable mod em. Rememb er to use only the power ad apter th at came with th e cable mod em.
42 C HAPTE R 4: C ABLE M ODEM O PERATION.
5 V IEWING THE C ABLE M ODEM ’ S C ONFIGURATIO N Y ou can use t he 3Com Web-bas ed configur ation soft ware to configure the cable mode m. NOTE: If you do not current ly have a W eb browser installe.
44 C HAPTE R 5: V IEWING THE C ABLE M OD EM ’ S C ONFI GURATION ■ Session Statu s: Click this op tion to laun ch the Cable Modem St atus screen. Thi s screen displ ays both the cable mo dem status and oper ational pa rameters . The statu s describe s the dow nstream and up stream characte risti cs.
45 ■ URL Change: Clic k th is opti on to la unch the Ch ange Cable Modem URL screen. On thi s screen, you can change th e URL that you use to acce ss all of these configura tion screens. After you change t he URL setting, type it in to your browser ’ s URL windo w to access the se configura tion screens.
46 C HAPTE R 5: V IEWING THE C ABLE M OD EM ’ S C ONFI GURATION.
6 S UPPORT R ESOUR CES Support Reso urces If you ne ed help op erating the cable modem, se e “T roubleshootin g the U SB Instal lation ” and “T roubleshootin g the Eth erne t Instal lation.” I f you need furthe r help, r efer to the foll owing r esour ces.
48 C HAPTE R 6: S UPPORT R ESOU R CES ■ If your de aler cann ot help you, contact 3Co m T echnical Support. When you call, specify the modem's serial number (found on th e modem an d on the outside of the box) and the so ftware being u sed. If Y o u Need to Retur n the M odem to Us Contact 3Com Cu stomer S upport.
7 R EGULATORY I NFORMATION AND L IMITED W ARRANT Y Manufact urers Declaration of C onform ity FCC Declara tion of Conformity We declare under our s ole responsibi lity that t he Description: 3Com Home.
50 C HAPTE R 7: R EGULATORY I NFORMATION AND L IMITED W ARRANTY FCC Notice : Radio an d T elev ision Inte rference Note: This eq uipment has been tested and fou nd to com ply with the l imits for a C lass B digi tal device, pu rsuant to Pa rt 15 of the FCC Rule s.
UL/c UL Listing: 51 UL/c UL Listing: This In formati on T echn ology Equipm ent is U L and C-UL listed for bot h the US and Canadi an ma rkets r espectively .
52 C HAPTE R 7: R EGULATORY I NFORMATION AND L IMITED W ARRANTY INTERNA TIONAL DECLARA TION O F CONFORMITY Elect r omag netic C omp atibilit y This eq uipment was tes ted and f ound to co nform to the Council D ir ective 89 /336/EEC f or electromagnet ic compati bility .
Speci al No tes: 53 Special Notes: Japan Perfor mance Sp ecific ations This equipme nt has a b it-er ror rate (B ER) le ss tha n 10 -8 when the signal-to- noise ratio ( SNR) is 2 3.5 dB or greater when op erating in 64 QAM mode , and when the SN R is 30.
54 C HAPTE R 7: R EGULATORY I NFORMATION AND L IMITED W ARRANTY outside of the U.S. or Canada. Y ou a gree that you w ill not export/ r e-export , either phys ically or elec tronically , the encryptio.
3Com Co rporatio n Limited Warranty 55 publishe d specif icatio ns. Cust omer a ssumes respons ibility for the selection of the ap propriate applica tions p r ogram and as sociate d r eferen ce mat erial s.
56 C HAPTE R 7: R EGULATORY I NFORMATION AND L IMITED W ARRANTY April 1, 2000, or ni nety (90) days after purchas e of the product from 3Com or i ts authori zed reseller , 3Com shall, at it s option a.
3Com Co rporatio n Limited Warranty 57 W ARRANTIE S EXCLUS IVE IF A 3 COM PRODUC T DOES NOT OPER A TE AS W ARRANTED ABOVE, CUSTOMER 'S SOLE REMEDY FOR BREACH OF T HA T WARRANTY SHALL B E REP AIR, REPL ACEMENT , OR REFUND OF THE PURC HASE PRICE P AID, A T 3COM'S OPTION.
58 C HAPTE R 7: R EGULATORY I NFORMATION AND L IMITED W ARRANTY PRODUCT S, EVEN IF 3CO M OR ITS A UTHOR IZED RES ELLER HAS BE EN ADV ISED O F THE POSSIB ILITY OF SU CH DAMAGES, AND LIMI TS ITS LIA BILIT Y TO REP AIR , REPL ACEMENT , OR REFUND OF THE PURC HASE PRICE P AID, A T 3COM'S OPTION.
An important point after buying a device 3Com Cable Modem External (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought 3Com Cable Modem External yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data 3Com Cable Modem External - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, 3Com Cable Modem External you will learn all the available features of the product, as well as information on its operation. The information that you get 3Com Cable Modem External will certainly help you make a decision on the purchase.
If you already are a holder of 3Com Cable Modem External, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime 3Com Cable Modem External.
However, one of the most important roles played by the user manual is to help in solving problems with 3Com Cable Modem External. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device 3Com Cable Modem External along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
