3Com OfficeConnect 3CR414492 manual

htt p://www .3com .com/ Of ficeConnect ® Remote 812 ADSL Router Ge tting Starte d Guid e Rele ase 2. 0 Part No. 10043336 AA Published March 2001[...]

ii 3Com Corpor ation 5400 Bay front Plaza Santa Cl ara, Califor nia 9 5052-8145 Copyr ight ©2 00 1 3Com Corp orati on. Al l righ ts reser ved. No part o f this doc umentat ion may be repr oduced in any form or by any means or u sed to m ake any der ivative work ( such as tr anslation, transfor ma tion , or ada ptati on) wit hout w ritt en pe rmiss[...]

iii T ABLE OF C ONTENTS A BOU T T HIS G UIDE Intr oducti on 1 Conven tions 2 1 G ETTI NG S TARTED Intr oducti on 1-1 Wha t’ s in the Pa ck age? 1-1 Wh at Can t he O CR 81 2 Do ? 1-2 Wha t Are the Fe atu res of T his Produc t? 1-2 SuperNA T 1-5 Vi rtua l Pri va te Net wor k s 1-5 T un neli ng P rotoc ol s 1 -5 Encrypti on Protocols 1-6 SIP Ph on e[...]

iv T o Install the Of ficeCon nect Remot e 812 Soft ware 2-7 Instal ling M icr osoft I nternet Ex plor er 2-7 Instal ling Ad obe Ac ro bat 2-8 Instal ling I nstant Up date 2-9 T o Install Instant Update 2-9 Config uring t he Of fice Connec t Remote 812 M anager 2-9 Config uring i n Brid ge Only Mode 2-9 Chan ging th e Log in Name and P asswor d 2-9[...]

v A C ONFI GURIN G Y OUR W OR KST ATI ON TO B E A DHCP C LIE NT W orkstation Confi guration Using DHCP Smart Mod e A-1 B S AFET Y INF ORMA TION Important S afety Inform ation B-2 W ich tig e S ic her heit si nf orm ati onen B- 3 Important n otice de securite B-4 Med idas de seguri dad im portan tes B-6 Informa zioni impo rtanti p er la sicur ezza B[...]

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A BOUT T HIS G UID E Introduc tion The guide describ es t he fea tures, ins tall ation, an d initi al configura tion of the OfficeConne ct ® R emote 812 AD SL Router (OCR 812) . The gui de is intende d for bot h first -time and e xperie nced com puter networ k us ers wh o wa nt to inst all and us e the OCR 8 12. W ith you r new OCR 812 , we have p[...]

ii A BOUT T HIS G UIDE Y ou can also learn about other 3Co m products by going to the fol lowing we b site lo cation: http://www.3com.com/ Conv entio ns T a ble 0 -1 a nd T able 0-2 list conve nti ons th at are us ed throughout this guide . Ta b l e 0 - 1 Notice Icons Notice Type Description NOTE Inform ati on that de sc ribes i mport ant fe atures[...]

1 G ETTING S TARTED Introduc tion This chapter provides i nstruct ions for p re-installa tion of the OC R 812. What ’ s in the Pa cka ge? What ca n the OC R 812 d o? What are the Fea tures of this Product? OCR 812 Bo ot Mod es Wha t ’ s in the Package? Before you ins tal l the OCR 8 12, check the content s of t he box aga inst t he pack ed cont[...]

1-2 C HA PTER 1: G ETT ING S TAR TED Microsoft Int er net Ex plorer versio n 5.5 in E nglis h, Span is h, and Korean . OfficeConne ct Remote 812 Ma nager we b-base d help fi les , t he Inst ant U pd ate In stal l progra m, and the IP W izard. Note: Th e I nsta nt Up date I nsta ll program and the I P W izard are ope ratio nal o nly fo r W indows us[...]

Wha t Are the Fe atur es of T his Prod uc t? 1-3 Ta b l e 1 - 1 OC R 812 Fea tures OCR 812 Fe atur es Feat ure Des cription Super Networ k Addr ess Tr anslat ion (Super NAT) Use s Net wor k Addr ess Tran slat io n (NA T) and Por t Ad dres s Tr anslat ion ( P AT ) intelli gently together to se nd packet s over the net wo rk, an d tran slates pub lic[...]

1-4 C HA PTER 1: G ETT ING S TAR TED Gene ri c Ro uti ng En caps ul ati on (G RE) A propos ed Inter net prot ocol trans ported w ithin ot her tu nnelin g protoc ols in a VP N. ADSL WAN int erface port Con tai ns one por t t ha t co nnec ts t o th e wid e area net wor k (WAN ). Asynchr onous Trans fer Mo de (ATM ) A ne two rk tech no log y th at tr [...]

Wha t Are the Fe atur es of T his Prod uc t? 1-5 The fol lowin g are new feat ur es for th e curr ent r elease: Supe rNA T Supe rNA T is an ad dress t rans lation protoc ol th at is activat ed whe n d ata pa ckets a rrive destin ed for a p ublic address t hat m atch es bot h NA T an d P A T r ule s. Sup erNA T first tri es to use NA T addr e ss tra[...]

1-6 C HA PTER 1: G ETT ING S TAR TED suppor ted. No ad ditiona l con figura tio n of the OC R 81 2 is required to supp ort GRE. Encryption Pr otocols Micr osoft Po int-t o-Point En cryption ( MPPE) encr ypts data in PP TP VP N conne ction s. MPPE p rovides priv acy to a tunne l. When you use MPPE an d PPTP tog ether , a VPN i s cr eated . Y ou can [...]

OCR 8 12 B oot Mode O ptions 1-7 Setting D HCP S mart Mo de Y ou ca n use th e DHCP S mar t Mo de if: Y ou plan on u sing p rivate addresse s on t he LAN (s uch as, y ou r Ser vice P rovider has provid ed you wi th on ly 1 publi c IP a ddress) Y ou plan on u sing t he serv er fo r th e OCR 812 DHCP The OCR 812 will a utoma tic all y st ar t up w it[...]

1-8 C HA PTER 1: G ETT ING S TAR TED A remote site p rofile na med “ bridge ” is se t up to bridge all tra f fic wit h RF C 148 3 en cap sul ati on on t he sp ec ifi ed VPI/VCI. Span nin g T ree Disa bled Admi nistra tive Login p rofile: Us er N ame: root a nd Pass word: !root Settin g Unc onfig ured Mod e Use this versat ile mod e if you w ant[...]

OCR 8 12 B oot Mode O ptions 1-9 Conf igur atio n opt ion on the C onfi gura tion web pa ge an d select the Remot e S ite Add C onfi gurati on w eb page or us e the CLI co mmands. See the Online User ’ s Guid e for mo re info rm at ion .[...]

1-10 C HAPTER 1: G ETT ING S TAR TED[...]

2 I NSTALLING THE O FF I C E C ONNECT R EMOTE 812 ADSL R OUTER Introduc tion In th is releas e of t he OCR 812, we have p rovided an Inst allat ion Ma p and Inst all C D to help you s et u p and inst all your un it, g et sta rted, and us e the OCR 8 12 successfully . This chapt er is org anized i n the fol lowing s ections : Inst alli ng the OCR 81[...]

2-2 C HA PTER 2: I NSTA LLING THE O FFI CE C ONNECT R EM OTE 812 A DSL R O UTE R OCR 81 2 in U nconfigured Mode and thus n eed to use the Comman d Line Inte rface ( CLI) to config ur e your r outer . The DB-9 termina l port connects th e OCR 812 to your conso le. T hen you would u se a termi nal e mulato r progr am to ac ce ss th e CL I an d ru n t[...]

Conf iguring t he Off iceConn ect Rem ote 812 Har dwa re 2- 3 ADSL Modem Port — An RJ-1 1 lin e por t connect s your OC R 8 12 to th e tele phone compa ny wa ll jack . An RJ-11 m odem cable is provide d. Conf iguri ng the OfficeConn ect Remo te 812 Hardware T o config ure the OfficeConn ect R emote 8 12 hardware, follo w these s teps . 1 Select a[...]

2-4 C HA PTER 2: I NSTA LLING THE O FFI CE C ONNECT R EM OTE 812 A DSL R O UTE R Use Po rt 1 to connec t to anothe r hub wit h the MDI/X bu tton pr essed i n. Y ou can th en c onn ect the othe r works tatio ns to the othe r hub. Connect to an Ethernet Hub — Press the MDI/X button in on t he b ack pane l and pl ug the 10Ba se- T cable in to the ri[...]

Config uring th e Workstati on and S elec ting a Mo de 2-5 If a n LED is not oper ating properly , consu lt the OfficeCo nnect Re mote 81 2 On line User ’ s Gu ide and r e fer to the s ection on T roubl eshoo ting . NOTE : I f the A D SL LE D i s o ff, there m ay be a probl em wit h the AD SL cable or line . Howe ver , you ca n continu e se tting[...]

2-6 C HA PTER 2: I NSTA LLING THE O FFI CE C ONNECT R EM OTE 812 A DSL R O UTE R Us ing th e Unc onfi gured Mod e When the OCR 8 12 is no t config ured with a n IP a ddress o n the LAN , you must use the Re mot e 812 I P Co nfigu ratio n W izard program, which i s include d on yo ur CD. W hen you sele ct th e fi rs t bu tt on on th e CD me nu , th [...]

Inst all ing the O ffi ceC on ne ct Re mo te 812 So ft wa re 2-7 Pr er equisites If you are a W i ndows user , you m ust h ave A dobe A crobat Read er i nsta lled t o vi ew t his Get ting Star ted G uide as well as t he PDF -fo rm at ted CLI Users Guide include d on th is CD . If you are a Maci ntosh or U nix-base d use r , refe r to th e CLI User [...]

2-8 C HA PTER 2: I NSTA LLING THE O FFI CE C ONNECT R EM OTE 812 A DSL R O UTE R the web- base d OfficeConne ct Remot e 81 2 Manage r for configur ing yo ur OCR 812. Microsoft Int er net Ex plorer 5.5 is lo cated o n the CD i n Engl ish, S panish, a nd K orean. Y o u can i nstall IE directly from the lo cation of t he ie5s etup .exe f ile on th e C[...]

Config uring th e Office Conne ct Rem ote 812 M anag er 2-9 Installing Insta nt Update Y ou may op tional ly choose to ins tall t he 3Com In stan t Upda te util ity . Inst ant Up date pe riodi call y checks the 3C om web si te f or a ne w releas e of the OCR 812 c od e. Whe n a new releas e of the code is foun d, Ins tant Updat e copi es it to you [...]

2-10 C HAPTER 2: I NSTA LLING THE O FF I C E C ONNECT R EMO TE 812 A DSL R OUTE R Config uring in DHC P Sma rt Mod e W ind ows us ers ha ve th e ass istance o f the Rem ote 812 IP Conf igur atio n W izard. Config uring in Un confi gured Mo de W ind ows us ers ha ve th e ass istance o f the Rem ote 812 IP Conf igur atio n W iza rd, as in DHC P Smar [...]

Sta rti ng the Off ic eCo nnec t Re mo te 81 2 Ma na ger 2-11 Pari ty: None Fl ow c on tr ol: X on/ Xof f 3 Then ru n Qui ck Setu p and th en Quic kVC. Starting the OfficeConnect Remote 812 Ma nager 1 Wh en your web b rowser op en s, go t o th e OCR 812 “ home page. ” E n te r th e u nit ’ s LAN I P add re ss. If D HCP Sm art Mode is i n use,[...]

2-12 C HAPTER 2: I NSTA LLING THE O FF I C E C ONNECT R EMO TE 812 A DSL R OUTE R NOTE : If you do not see this page, refer t o th e secti on on T roublesh ooti ng in th e Online User ’ s Gu ide (ins tall f rom your CD) . Config uratio n Using the Remote 812 IP Configuration Wizar d When you fi rst con nect to t he Remote 812 Mana ger , and a vir[...]

Sta rti ng the Off ic eCo nnec t Re mo te 81 2 Ma na ger 2-13 Network S ervice Y ou r Se rvice provide r sh ould p rovide you wi th the type of Netw ork Se rvice to confi gure for your W AN conne ction. The OCR 81 2 supports the foll owing N etwork Ser vice s: PPP — The Point t o Point Pr ot ocol is a W AN interfa ce protocol be tween the OCR 812[...]

Port Address T ranslation This feat ure (P A T) ena bl es ma ny w orks tatio ns on th e LA N to share a singl e pub lic ad dress whe n acces sing i nforma tio n over a p ublic n etwor k (In ter n et). Ena ble this feat ure if you have a Singl e User Account with your ISP and disab le it i f you have been p rovided publ ic IP add resses to use o n t[...]

Rese tting the Co nfig urat ion of Y our Rout er 2-15 Reset tin g the Co nfig uratio n of Y our Router T o reset your unit a nd sel ect a d if ferent boo t optio n: 1 Unplu g the po wer ca ble from you r OCR 812. 2 Set the a ppr o priate DIP sw itch. For mor e info rmat ion, see T a ble 1 -2 Di p Sw itch Setti ngs in Ch apt er 1. 3 Plug the power c[...]

2-16 C HAPTER 2: I NSTA LLING THE O FF I C E C ONNECT R EMO TE 812 A DSL R OUTE R[...]

3 T ESTING THE C ONFIG URATI ON Introduc tio n This chapte r contains informati on on testi ng the Conf igur atio n. Gene ral T e stin g IP T es ting Advan ced T r ouble shoot ing General T esting After confi guring the OCR 812 for remo te site conne ction( s), fo llow the se ste ps to tes t the con necti ons. Step 1: Check Inter face St atus 1 Be [...]

3-2 C HA PTER 3: T E STIN G TH E C ONFIGUR ATION Step 2: Ch eck Net wo rk Sta tus 1 Check that all LA N an d W AN netw ork s are up. From the OfficeConnect Remot e 812 M anager “ H ome page , ” sel ect Monitor > Netw orks > Network Statu s . Y ou sho uld see one active n etwork for ea ch of the LA N protocols co nfigu red (IP , IPX, a nd/[...]

IP T e st in g 3-3 IP T es tin g Use a PING comma nd to make su r e the OC R 812 can re ach the remote router . Y ou ca n PING b y us ing one o f th e foll owin g met hods: Usin g the P ing comm an d from t he OfficeConn ect Remote 812 Ma nager test s th e connect ion f rom the OCR 812 to the network . Th e MS-D OS PI NG comma nd che cks t he conn [...]

3-4 C HA PTER 3: T E STIN G TH E C ONFIGUR ATION pr obl em. If th e network is a st atic entry in the r outing tab le, i t ma y ha ve be en en ter ed inco rr ect ly . PING: timeout waiting for reply from <IP Address>. The host n etwor k is probably reachable but t here is no answ er from th is IP Ad dress. Th ere are a coupl e of poss ibl e e[...]

Adv ance d T rou bl esho ot ing 3-5 Request timed out. Request timed out. Request timed out. Request timed out. An exa mple scr ipt of a su ccessf ul pin g is: C:ping 10.0.0.12 Pinging 10.0.0.12 with 32 bytes of data: Reply from 10.0.0.12 bytes=32 time=140ms TTL=240 Reply from 10.0.0.12 bytes=32 time=147ms TTL=240 Reply from 10.0.0.12 bytes=32 tim[...]

3-6 C HA PTER 3: T E STIN G TH E C ONFIGUR ATION T roublesh ooti ng T ools Pow er Proble ms LAN C onnectio n Problems Remote 812 Ma nager Conne ction Problem s W AN Conn ectio n Problems Genera l Ne twork C onn ection P roblems IP N etwork Co nnection Problem s IPX N etw ork Conne cti on Probl ems Brid ge Co nnection Problem s Upgr ading and D own [...]

A C ONFIG URING Y OUR W ORKSTATION TO B E A DHCP C LIENT W ork stat ion Conf igur at ion Us ing D HCP Smar t Mod e If you have chosen DHCP Sma rt Mo d e , you nee d to configure some param eters o n your wo rksta tion. Se t up th e wo rksta tion s on t he OC R 812 LA N to autom atically o btain t heir IP ad dr ess. This is the defau lt setting in W[...]

A-2 A PPEN DIX A: C ONFIGURIN G Y OUR W ORKSTAT ION TO B E A D HCP C LIENT 3 Sel ect the IP A ddre ss ta b. 4 Click Ob ta in a n IP Ad dre ss Au tom ati ca ll y . T his caus es the wor kstati on to r equest an IP ad dr ess fr om the OCR 812. 5 Sel ect the DNS Confi gurati on tab .[...]

Workstatio n Config uratio n Using DHCP Smar t Mode A-3 NOTE : Do not remove th e Host Name in the Host box. 6 Remove an y DN S ser ver s lis te d af ter the D NS Ser ver Sea rch Or der fiel d. 7 Accept all of the ne twor king ch ange s, reboot your works tatio n, an d then proceed t o t he section Ins tal ling the OfficeConne ct Remot e 81 2 Soft [...]

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B S AFET Y INFORMATION When usin g the un it, observe the foll owing safety inf ormati on: Retain th is Getting Started Guide for later use and pass it on to subse quent o wners/ma nagers o f the uni t. The powe r adapter suppli ed with th e unit is fitte d with a mol ded pl ug for co nnectio n to a s tanda r d elect rical main s syst em supp ly so[...]

B-2 A PPEN DIX B: S AFETY INFORMAT ION Ensur e nothing r ests on the uni t ’ s sy stem cable s an d tha t the ca bles ar e not lo cat ed w her e th ey c an be st epped on and cause damage to the unit. Keep t he uni t a way from rad iato rs and heat sources. A llow 25 m m (1 inch) ar oun d the un it or stac k to pr ovi de adequa te air cir cula ti[...]

B-3 Disco nnect th e po wer a dapter bef ore movi ng the unit . Power can on ly be disco nnected fro m the unit by r emovin g the power adapte r fr om the un it or fr om the socket ou tlet. Only conn ect apparat us complying with the r elevan t interface r equir ements to th e ports on this uni t. The safety statu s of the ports on thi s equip ment[...]

B-4 A PPEN DIX B: S AFETY INFORMAT ION entspr echenden Abschn itt am Ende dieses Hand buchs) nicht verletzen. T renne n Sie den Ne tzadapte r von der Str o mvers orgung, bevor Sie di e Ein heit bew egen . Die Einh eit ka nn nu r von d er Str omv er sorgung g etr enn t wer den, indem S ie die V erbin dung des N etz adapte rs e ntw eder v on E inhei [...]

B-5 V e uillez li re les inform ations suivan tes attentivement a vant l'inst allati on de l'appa re il. Soyez tr è s pru dents pe ndant toute la dur é e de l'in stal lat ion et du d é pla cemen t de l'ap parei l. Plac ez l' appa reil pr è s d'une pr ise mur ale q ui d oit r es ter accessib le à tout instan t. Uti[...]

B-6 A PPEN DIX B: S AFETY INFORMAT ION AVE RTISSEM ENT: ports d e donn é es RJ4 5 à p aires torsad é es. Il s'a git de prises de do nn é es RJ45 bl ind é es . Elles ne pe uvent ê tre utili s é es comme pri ses de t é l é phone . Elle s ne doi vent r ecevoi r que les conn ec teu rs de do nn é es R J45 . Medidas de s eguridad important[...]

B-7 Si l as u nidad es q ue pos ee son a pi lable s, a cople las que sean similares entre s í . Servic eCon nect: la cone xi ó n de tierra debe centrarse con respe cto a la base d el ba stidor de Serv iceConn ect 2 000. ADVERTE NCIA: puertos de datos de p ar trenzado RJ45. Son ench ufes blin dados R J45 a los que s ó lo de ben a coplars e conec [...]

B-8 A PPEN DIX B: S AFETY INFORMAT ION All'i nterno dell 'unit à non v i s ono fu sib ili so st itu i bil i da ll 'ut e nte o par ti la cui ma nut enz io ne pu ò essere effettuata dal l'utente. Se si verific a un p roblem a che non s i è in gr ado d i riso lv ere segue ndo le i struzion i pe r la riso luzione dei probl emi ri[...]

C S PECIFICATION S Introduc tion This appe ndix f eatures th e Sp ecif icat ions for the O CR 812. General Specif ications Pow er requiremen ts 10 watts maximum T emper ature requirem ents 0 - 50 de grees C (op erat ing) -35 to +7 0 deg rees C (s hipping and stora ge) Humi dit y r equ ir ements 0-95% non-conde nsin g (o perating ) 0-100% n on-cond [...]

C-2 A PPEN DIX C: S PECIFI CATIONS ADSL Int erface (o ne RJ-1 1 jack) Pin 1 — (Not l oade d) Pin 2 — (Not u sed) Pin 3 — Rin g Pin 4 — Ti p Pin 5 — (Not u sed) Pin 6 — (Not l oade d) LAN Interface (four RJ-45 jacks) Pin 1 — T ransm it D ata + Pin 2 — T ransm it D ata - Pin 3 — Recei ve Da ta + Pin 4 — NC Pin 5 — NC Pin 6 — R[...]

iii I NDEX A About This Guide 1, B-8 Adobe Acrobat Reade r installin g 2-8 ADSL Mo dem Po rt 2-3 Advan ced T roubles hooting 3-5 Assign ing an IP address 2 -10 B Boot mo de optio ns ANS I m ode 1-6 Bridge Mo de 1-6 DHCP Smar t Mode 1-6 Multimode 1- 6 sett in g 1-6 Un conf ig ur ed m ode 1-6 boot o ption, select ing 2- 3 Bridge mo de conf igurin g 2[...]

iv Co nnec ti ng cons ole cabl e 2 -4 ethe rn et h ub 2-4 workst atio n 2-3 Co nsol e C abl e, Con nec tin g 2-4 Co nsol e P ort 2 -1 conve ntions notice ic ons, A bou t Th is G uide 2 text , Ab ou t Th is G ui de 2 D Defaul t Bridge Mo de conf igurin g 2-5 Defaul t Bridge Mode , workst ation co nfig uratio n using A-1 Definitio n of product OCR 81[...]

v I Installin g Adobe Acrobat Re ader 2 -8 Button s election 2-7 ha rdw a re 2 - 1 Inst an t Up da te 2- 9 Micr osof t Int erne t Expl orer 2-7 prer equis ites 2-7 Inst an t Up da te installin g 2-9 Inte rfac e Status , Chec king 3-1 IP T e stin g 3-3 IPX T e st in g 3- 5 J Jack s C- 1 L LED Oper ation 2-4 LED Oper ation , table 2- 4 Local LA N, Co[...]

vi OfficeConn ect Re mot e 812 M anage r 2-1 conf igurin g 2-9 OfficeConn ect Re mot e 812 M anage r Ping 3-3 P Pac kag e cont ents hardware and CD-R OM 1-1 Pho ne Li ne , Conn ect ing 2- 3 Ping R es ponse 3-3 Port Address T rans latio n (P A T) shar ing pu blic add resses 2-14 Pow er requ irement s C -1 Power , Connec ting 2-3 Pr oduct f eat ur es[...]

vii V Vir tua l c onn ect i on id ent ifier (V CI) setti ng values 2-13 Virt ual path identi fier (VPI ) setti ng values 2-13 Virtu al priv ate ne twork definit ion 1 -5 W Web browser loggin g in 2-11 W izard, usi ng to co nfigure 2- 10 Workstat ion Conf igurat ion A -1 Workstat ion, Con nect ing to 2- 3[...]

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FCC D ECLARAT ION OF C ONFORMITY We declare under our sole responsibility that the Model: 0900 Desc ripti on: 3 Com Offi ceCo nnect Rem ote 812 ADSL Rou ter To whi ch this de clar atio n rel ates, i s in conf ormi ty w ith the fol lowi ng st and ards or o ther n orma tive documen ts: ANSI C 63.4-1 992 M ethods of M easur ement Federa l Com munic at[...]

CAUTION: CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY THE PARTY RESPONSIBLE FOR COMPLIANCE COULD VOID THE U SER'S AUTH ORITY TO OP ERATE THIS EQUIPMENT _______________ _________________ ________ _________________ ________________ __ UL/c UL Listing: This Inf ormat ion Te chnol ogy Equi pmen t is UL and c UL list ed for both t he US and C[...]

Centre d e guaran tie et de service apres vente: Keatin g Tech nolo gies 25 Ro yal C rest C ourt, Suit e 200 Markha m, ONT L 3R 9X4 INTERNATIONAL DECLARATION OF CON FORM ITY Electr oma gnetic C omp atibi lity This eq uipment was t ested an d fou nd to conf orm to the C ouncil Direct ive 89/ 336/EEC for electromagnetic compatibility. Conformity with[...]

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3C OM C ORPORA TION L IM I TED W ARRANTY This warranty ap plies to customers located in the U nited States, Australia, Canada (except Quebec), Ireland, New Zealand, U.K., and ot her English language cou ntries, and countries for which a translation int o the local language is not provided. H ARDWARE 3Com warrants to the e nd user ( “ Cus t omer ?[...]

appropri ately for safe shipment, and it i s recommend ed that they be insured or s ent by a method that provides f or tracking of the package. Responsibility for loss or dama ge does not t ransfer to 3Com unti l the returne d item is rec eived by 3Com. The r epaired or replac ed item wil l be shipped to Cus tomer, at 3Com's expens e, not late[...]