3Com 3CP3647 инструкция обслуживания

3Com HomeConnect ADSL Modem Ether net CLI User’ s Guide V ersio n 1.0[...]

3Com Corporat ion 3800 Golf Ro ad Rolling Meadows , IL 6000 8 Copyr ight © 19 99, 3C o m C o rpo rat ion. All rights rese rved. No part of th i s doc u men tat i on may b e reprodu ced in any form or by any means or used to make an y derivative work (such as translation, transfo rmation, or adaptat ion) with ou t writt en perm ission from 3C om Co[...]

1 A CCESSING THE C ONFI GUR AT ION I NTERFACE Estab li shi ng Com mun ica t ion s 1-1 Local Connection 1-1 IBM-PC Compat ible Co mputer s 1- 1 Macintos h Comp uters 1-1 UNIX-B ased C omp uters 1-1 Remote C onnect ion 1-2 2 CLI C OMMAN D C ONVENTIO NS AND T ERMINOLO GY Command Struct ure 2-1 Format 2-1 Parameters 2 -1 Va l u e s 2 - 1 Names or Str i[...]

Sett ing Dat e an d T im e 3-7 Sett ing Sy st em Id en tifi ca tion 3-8 Con figu ri ng T ELNE T L ogi n Ac c ess 3- 8 Providin g TF TP Ac cess 3-9 Sett ing Pa ssw ord Protect ion 3-9 Config urat ion S cript ing 3-10 4 F ILTERING C APABILITIES Introducti on 4-1 Filt eri ng Ca pa bili ties of t he 3C om Ho meCo nne ct AD SL Mo dem Ether n et 4-1 Filt[...]

V e rifyin g Filt er File Synt ax 4-8 Showin g Filt er File Cont ents 4-8 5 U PGRADING 3C OM H OME C ONNECT ADSL M OD EM E TH ER NET O PERATIONAL S OF TWARE Introducti on 5-1 Seria l Po rt Upda t e 5-1 3Com Instant Updat e Process 5-1 3Com F TP Site 5-1 3Com Hom eCon nect AD SL Mode m Ether net CD 5-2 Insta lling Oper ational Softwar e via DOS 5-2 [...]

delete ip ne twork <netw ork_n ame> A-4 delete i p route <IP_ address> A-4 delete snmp community <name> A-4 delete snmp tr ap_commu nity <name> A-4 delete s yslog <i p_addr > A-5 delete tftp cli ent <ip_addr > A -5 delete user <n am e> A-5 DISA BLE A-5 disab le br idge acce ss_mac_a ddr es ses A-5 disable b[...]

list br idge a ccess_ mac_a ddresses A-7 list br idge f orwardin g A-7 list co nnect ion even ts A-8 ....... ............. ............. ............. ............. ............. ...... list dns se rvers A -8 list f acili tie s A -8 list f ilt ers A-8 list file s A-8 list inte rfaces A-8 list i p addres ses A-8 list i p arp A-9 list i p netw orks A[...]

set facilit y <faci lity_name> loglevel [level] A-12 set int erface <i nterf ace_na me> A-13 set port <p or t number> A-13 set snm p commu nity <co mmunity _name > A-14 set s nmp tra p_ com m uni ty <na me > A-14 set sys tem A -14 set sys log <IP_ address> log level [l evel ] A- 14 set ti me <tim e> A-15 se[...]

telnet <ip_addr > TCP_por t <numbe r> A-20 UPDA T E A-20 upda te sof twar e f tp <f ilen ame> A-20 upda te softwar e tftp <filenam e> A-21 VERIFY A-21 veri fy fi lt e r <fi lt e r_ n a me > A- 2 1 TELN ET C omman ds A-21 close A-21 help A- 21 send <string > A-21 set_escap e <string> A-21 statu s A-21 CLI Ex[...]

3Com Cor porat ion Li mited Warranty vi i YEAR 20 00 W ARRANTY vii Obtainin g W arr anty Service viii W arr anties e xclusive ix Limita tion of Lia bility ix Disc laim er ix Governing Law x[...]

1 A CCESSING THE C ONFIGU RATION I NTERFACE This chapter e xplains ho w to attach to the con figuratio n inte rface locally vi a the consol e port or remotely via a T el net s ession. This chap ter al so introduces yo u to the capabi lities and con vention s associated wit h managemen t of your 3C om HomeConn ect ADSL Mo dem Ethernet. Establishing [...]

1-2 C HAPTER 1: A CCESSING THE C ONFIGURATION I NTERFACE Remo te Con nec tio n If you wa nt to attach t o t he 3Com HomeCo nnect AD SL Mod em Ethernet via th e LAN or WAN interfa ce of the unit , you will n eed to estab lish a T e lnet c onnec tion to the u nit. The 3Com HomeCo nnect ADSL Mod em Ethe rn et must have a n IP ad dress and an administr[...]

2 CLI C OMMAND C ONVENTIONS AND T ERMINOLOGY This cha pter desc ribes the c om mand syntax , con ven tions and termin olog y us ed within the Co mmand Line In terface. R eview ing and unde rstandi ng this chapter is esse ntia l for you t o un dersta nd s ubse quen t ch apters. Command Structure Format Commands can be f ollowed b y values and /or pa[...]

2-2 C HAPTER 2: CLI C OM MAND C ONVENTIONS AND T ERMINOLOGY Network Address Formats Many comma nds r equi re a network add ress, to defi ne a l ink to a r emote host, workstati on or n etwork. Network a ddr esses ar e shown in t his do cument u sing the synta x desc ribed in the foll owing t able: Abbreviation and Command Completion ■ Commands ca[...]

Comma nd Stru ct ure 2-3 Command Language T erminology The CLI co mmand langua ge cr eates, mana ges, displays and r emove s system entiti es. These entit i es descri be system and ne twork conn ections an d pro cesses. Most of the mana ged entiti es in the syste m ar e slot ted in tabl es. Some common examples ar e: ■ Net work - defi nes loca l [...]

2-4 C HAPTER 2: CLI C OM MAND C ONVENTIONS AND T ERMINOLOGY[...]

3 M ANUAL SETUP This chapte r describ es how to manual ly setup the 3C om H omeConnect A DSL Modem Ethernet. Conf iguration Overview A brid ge conn ects two or more physical networks togeth er to func tion a s a singl e, large net w ork. The 3Com HomeCo nnect AD SL Modem Ethe rnet is a learning bridge. A learning brid ge does mor e th an just li nk[...]

3-2 C HAPTER 3: M ANUAL SETUP Y ou modi fy th e profil e usi ng set port commands to setup the W AN connect ion and n etwo rk info rmatio n. Remember to save your con fi guratio n using the save all comma nd befor e reboot ing you r 3C om HomeC onnect ADSL Mo dem Et he rnet so that yo ur chan ges will be wri t ten to perma nent FLASH memo ry . ■ [...]

Advanced Bridgi ng 3-3 The 3Com Home Conne ct ADSL Modem Et hernet sup ports Un specif ie d Bit R ate (UBR) tr affi c. The mode m will norma ll y attempt t o use all of the availab le upstr eam bandwi dth when tran smi tting data. Optiona lly , on a bridge po rt basis, the upstr eam traf fi c can be ’sha ped’ to use o nly a portio n of the avai[...]

3-4 C HAPTER 3: M ANUAL SETUP The Sp anning T r ee Prio rity is the priori ty assign ed to a bridge that i s runnin g the Spanni ng T ree Pr oto col. It is use d for pr iorit i zing t he br idge s when Spanni ng T ree is enabled. ■ T o change the Spanni ng T r ee Prior ity , use the command: set bridge spanning_tree_priority <priority value>[...]

IP Conf ig ura tion 3-5 set port <port_number> filter <filter_name> ■ T o disabl e por t filt ering, us e th e command: set port <port_number> filter none IP Conf igur ation T o allo w remo te SN MP and T el net manag ement o f the 3Com H omeCo nnect AD SL Modem Ethernet you must configur e t he unit’ s I P stack. The IP st ac[...]

3-6 C HAPTER 3: M ANUAL SETUP name an d passwo rd. (Maxi mum charac ter len gth of lo gin name = 32, pa ssword maximum ch aracter leng th = 15. ) Configuri ng an IP Net wo rk The 3Co m HomeConn ect ADSL Mo dem Ethernet can have mor e tha n one IP addr ess (i.e. , belong to mor e than on e IP networ k). T o con figur e an IP ad dr ess use the add ip[...]

System Admini stration 3-7 The r oute will appe ar as d estin ation 0.0.0. 0 in the IP r out ing t able. ■ T o delete an I P Static route , use the comman d: delete ip route <ip network addre ss> Confi gur ing D NS Y ou can configur e th e 3Com HomeConn ect ADSL Mo dem Ethernet to ac cess a DNS server t o reso lve host names. Th is facili t[...]

3-8 C HAPTER 3: M ANUAL SETUP The date a nd time in form ation is provided in t he foll ow ing for mat: System Date: 02-MAR-1998 05:17:00 System UpTime: 2d 08:37:54 Y ou can set the date using t he co mmand: set date which sets the system date, and leaves the time unchanged. The forma t is: dd-mmm-yyyy . The month sho ul d be the fir st thr ee char[...]

System Admini stration 3-9 Providin g TF TP Acce ss T ri vial Fi le T rans fer Protocol (TF TP) pro vides a sim ple way to tran sfer fi les from one machine t o another . Th e 3Com Hom eConnect ADSL Mod em Ethe rnet has a TF TP server that all ows you to copy files to or from the unit. All you h ave to do is set up TF TP access on the 3Com HomeCo n[...]

3-10 C HAPTER 3: M ANUAL SETUP Note: This capa bility is u seful fo r system ad ministrators o r users wh o wish to re strict access to t he 3Com HomeCo nnect ADSL Mod em Ethernet. Care shoul d be taken t o r emember the con figur ed password. If the password is forgott en, the un it must be sent ba ck to 3C om sup port to have the featur e disable[...]

4 F ILTERING C APABILITIES Intr od ucti on The 3Com Ho meConnect ADSL Modem Ethernet pr ovides an ext ensive set of data filt erin g ca pabi lit ies. F or ins tan ce , filter s ca n ac cep t pa ckets on ly from spec ific addr esses to pr ovide ad ded securi ty , or filter s can be added to r edu ce netwo rk traf fic and impr ove ove rall per forman[...]

4-2 C HAPTER 4: F ILTER ING C APABILITIES ■ Data filters - based on pr oto col-s pecific packet informati on. ■ Generic filters - ba sed on pa cket s tructu re. Dat a Filt er s Data fil ters control netw ork ac ces s base d on the prot ocol a nd source / de stina tion addr e ss of the packet. Generic Filters Generic filt ers ar e pr otoc ol -in[...]

Crea ting Fil ters 4-3 ■ If yo u do not spe cify a protocol sec tion in the filte r file , no fi lteri ng wi ll o ccur and packets of t hat pr otocol t ype will be acc epted . ■ If you speci fy a pr otoc ol se ction but do not d efin e any ru les, an err or will occur . T o comment out th e protoc ol section, you must place a pou nd (# ) sign b[...]

4-4 C HAPTER 4: F ILTER ING C APABILITIES The OR o peration c an be impleme nted b y successive rules. F or examp le, to acc ept a packet if t he source add re ss is xxx, or the dest inatio n address is yyy , the follow i n g rul es are us e d : BR-E TH: 1 ACCEP T sr c-addr=00- 20-69 - 00-00- 01; 2 ACCEP T dst-ad dr= 00-20- 69- 00-00 - 02; 999 DENY[...]

Assigning Filters 4-5 will define in the fu ture. Also , use the # sign to a dd co mmen ts or wh at you e xpec t the filter to do for futu re refer ence. 4 Enter th e rules yo u are definin g. Observe the follo wing g uidelines. ■ Begin ea ch r ule with a un ique li ne numbe r rangi ng fr o m 1 - 998. ■ Arrang e rule s in increasin g line num b[...]

4-6 C HAPTER 4: F ILTER ING C APABILITIES ■ Interfaces ■ Ports Interface Filters Y ou ca n config ure interface filt ers for any interface . Interface filters control access to all netwo rks avai lable fo r both modem and non-modem i nterface s. Y ou can specify whet h er a filte r applies t o packets ent e ring th e interfa ce (inp ut filter )[...]

Managi ng Filte rs 4-7 Interfa ce name is eth:1 for the Ethern et interfa ce and atm:1 for the A T M inter face . For exam pl e, to ap pl y an inpu t filt er to the ether ne t in te rface: set interface eth:1 input_filter filter.flt When a ssigning the filte r to the Ethernet i nterface, yo u must tu rn of f filter acce ss by enteri ng th e CLI com[...]

4-8 C HAPTER 4: F ILTER ING C APABILITIES If th e synt ax i s inv alid, the filte r is s till added to the ma nage d li st wi th a status of verify failed. T o correct filter file e rrors, you must make th e change s to the orig inal filter file using a t ext editor , and r e-T F TP the file to the bridge’ s FLA SH memory . Then use the verify fi[...]

5 U PGRADI NG 3C OM H OME C ONNECT ADSL M ODEM E THER NET O PERATIONA L S OFTW AR E Intr od ucti on The 3Com Home Connect ADSL Modem Ethe rnet operati onal soft war e is stor ed in the uni t’ s FLASH memory . The re ar e two wa ys to updat e the operation al sof twar e: ■ Y o u can load n ew softwar e thr ough t he serial co nsol e port. ■ Y [...]

5-2 C HAPTER 5: U PGRADING 3C OM H OME C ONNECT ADSL M ODEM E THERNET O PERATIONAL S OFTWARE naviga te through the di rectory structure to pub/xd sl/hce th . From th is site , you can obtai n doc ument upda tes fr om the D OCS subdir ecto ry and code up dates from the BINAR IE S subdi rector y . The code u pdates are stored in two forms in the BINA[...]

Update Using Built- in Update Softwa re 5-3 3 Power of f your 3C om HomeCon nect ADSL Modem Eth e rnet . 4 Open a DOS window on you r workstat ion. 5 Chan ge to the directo ry co ntai ning th e n ew o pera tiona l softw are. I f you obta ined the s oftware from the In stall ation CD or usin g Instan t Update the defa ult directo ry is c:Program Fi[...]

5-4 C HAPTER 5: U PGRADING 3C OM H OME C ONNECT ADSL M ODEM E THERNET O PERATIONAL S OFTWARE ■ user na m e <use r name> ■ passwor d <passw or d> If you ar e obtai ning the co de update fr om th e 3Com F TP site, you would use the command: update software ftp <file name > ■ server ftp.3com.com ■ path /pub/xdsl/h ceth/bi nar[...]

A CLI C OMMAND D ESCRIPTION CLI Comman ds ADD Use th e ADD co mman d to de fine: ■ networks yo u wil l connec t t o ■ SNMP communi ties ■ users wh o can telnet to the un it Note tha t some pa rame te rs ha ve defa u lt value s. add bridge access_mac_a ddress <mac_addr ess> Adds a MAC Addr ess to the Ac c ess MAC ta ble. Wh en the Ac ces[...]

A-2 A PPENDIX A: CLI C OMMAND D ESCRIPTION TF TP to export the update d file to the system’ s FLASH file system, and use the verify filter command to check the f ilte r’ s sy ntax. add ip defaul trout e gateway <IP_addr ess> { metric [1] } Defines a de fau lt gate way IP router , which acts as the de faul t route for IP packe ts destined [...]

CLI Command s A-3 add snmp commu n ity <communi ty_name> add re ss [IP_ad dr ess] access [RO | R W] Adds to th e list of SNMP au thori zed users. The comm unity na me and IP a ddr ess of SNMP r equests fr om managers o n the network must match the list , which you can see using l ist snmp co mmuniti es . add snmp trap_community <name> a[...]

A-4 A PPENDIX A: CLI C OMMAND D ESCRIPTION CAP T URE TEX T captur e text <filenam e> Redi rects console inpu t int o a text fil e. Inp ut redirection is te rmina ted b y Ctrl-D. This comma nd serves as a si mple way to cr eate fi lter fi les or to cr eate comm and scripts t hat ca n be exe cuted using the DO command. DELETE Dele te comman ds [...]

CLI Command s A-5 delete sy slog <ip_addr> Delete s the spe c i f ie d IP ad dress from the list of a dd resse s wh ich are auth oriz e d t o receive sysl og information. Use list sy slog to see the curr entl y allowed addr esses. delete tftp cli ent <ip_addr> Delete s the spe c i f ie d IP ad dress from the list of a dd resse s wh ich [...]

A-6 A PPENDIX A: CLI C OMMAND D ESCRIPTION DO do <command_inputfile> output [output file] Runs a script f ile that i s stor ed in FLASH memor y , which conta in s a series of CLI commands . ENABLE enable bridge access_m ac_addr esse s Enables t he A ccess MAC featu re. Whe n the Access MA C f eatur e is ena bled, only MAC Addresse s in t he A[...]

CLI Command s A-7 HELP help <command> Provid es infor mation abo ut possibl e comm ands and t hei r format s. T yping hel p alone lists t he possibl e commands . T yping help <comman d name> li st s the possible par ameters for that comman d. T yping part o f a keywo rd (comma nd or p arameter) and pr essing E sc compl etes th e keywor [...]

A-8 A PPENDIX A: CLI C OMMAND D ESCRIPTION Fltr - Number of packets r eceiv ed f ro m this MAC stati on that wer e f il ter ed out (di scarde d) Fwd - Number of packets received fr om this MAC statio n th at were forwarded TxPkt - Number o f packets forwarded to this MAC sta tion TxOctets - Number of b ytes forwa rded to this MA C station list c on[...]

CLI Command s A-9 ■ Interface - interface this I P address uses to connec t to the syste m list ip arp Displays the con tents of th e ARP cache. It lists: ■ IP Ad dr ess - IP address for this en try ■ Phys Addre ss - MAC addr ess th at the IP addr ess maps t o ■ Ty p e - inte rfa ce type : E the r ne t or T oken Ring ■ If Name - eth:1, DA[...]

A-10 A PPENDIX A: CLI C OMMAND D ESCRIPTION list s yslog Displays IP addresses which ge t syslog entries from the system. See add syslog for mor e infor mation, and delete s ysl og command to re move entr ies. This comma nd shows: ■ Syslog - IP addr ess to which syslog entries will be sent ■ Log Level - reportin g le vel o f en tries to send ?[...]

CLI Command s A-11 RENAME re name file <input_fi le> <output_file> Renames files wit hin the FLASH f ile system. The FLASH f ile system is a flat file system (no subd ir ectori es). Use the lis t fi les command to see what f iles curr entl y exist. reset ethernet counters Clea rs the stati stics counte rs for the Ether net p ort. reset [...]

A-12 A PPENDIX A: CLI C OMMAND D ESCRIPTION set bridge aging_time <seconds> forward_delay <seconds> spanning_tree_priority <seconds> Sets paramet ers for all brid ge networks. set command histo r y <numeri cal range> idle ti mout <minute s> loca l_pr omp t <str ing> pr ompt <stri ng> login_r equir ed Enabl [...]

CLI Command s A-13 ■ UNUSUAL - an abnormal even t, which the syst em sho uld r ec over fr om ■ COMMON - a regula rly occurrin g ev ent that i s not frequent ■ VERB OSE - a r egula r pe riodi c event , e. g. a r outing upda te me ssage ■ DEBU G - f or debug ging pu rposes only set inter face <interface_ name> filter_acces s [ON | OFF] [...]

A-14 A PPENDIX A: CLI C OMMAND D ESCRIPTION set s nmp co mmunit y <community_name> addr ess [IP_a ddre ss] access [RO | RW] Modifi es par ameters for an SNMP aut horize d user . The community nam e and IP addr ess of SNMP r equ ests fr om manager s on the networ k must match the li st, whic h y ou can s ee usin g list snmp communi ties . set [...]

CLI Command s A-15 set time <ti me> Sets the syste m ti me, and l eaves the da te unc han ged. Us e show date to see what the curre nt settin gs ar e. The format is: hh:mm: ss. The seconds fiel d is optional . set user <u ser_name> message [“message”] passwor d [passw or d] sess ion _ t im eo ut [s eco nds] tcp_por t [tcp_port] ter [...]

A-16 A PPENDIX A: CLI C OMMAND D ESCRIPTION show adsl statistic s Di splays b lock count statistics fo r the ADS L interfa ce. It reports the number of blocks transm itted an d r eceiv ed. I t also r epor ts the n umber of bl ocks r ecei ved wi th corr ected e rr ors , and the n umbe r r eceived wit h uncorr ect able err ors. show adsl transceiv er[...]

CLI Command s A-17 show command ■ Displays t he settings for Command Hi sto ry Depth, and the Curr ent Pro mpt. Y o u can modif y the histor y depth usi ng set comm an d his tor y , and alte r the pro mpt using set command pro mpt . Pr ompts c an ho ld a maximu m of 64 characte r s. For exampl e: History Depth: 10 Current Pr ompt: 3COM-DSL> Lo[...]

A-18 A PPENDIX A: CLI C OMMAND D ESCRIPTION OUTP U T CO UN TE RS ■ Octets - bytes tran smitted ■ Ucast - unicast packets transmitted ■ Mult iCast - mul ticast pa ckets tr ansmitted ■ Discar ds - Number of outboun d pack ets whic h were ch osen to be disc ar ded even thou gh no errors had been de te cted to preven t their be i ng tran sm itt[...]

CLI Command s A-19 ■ Bad V ersio ns - SNMP message s for an u nsupp orted SNM P version ■ Bad Commu nity N ames - SNMP messa ges which use d an un known SNMP community name ■ Bad Commu nity U ses - SNMP messages wh ic h r ep rese nted an SNM P operati on not al lowed by t he SN MP commun it y named in the messag e ■ ASN.1 Parse Err ors - su[...]

A-20 A PPENDIX A: CLI C OMMAND D ESCRIPTION show snmp sett ings Displays SNMP setti ngs, which you can modify usi ng en able or di sabl e snmp authen tication tra ps commands. ■ Authentication T raps - ENABLED (def ault) or D ISABLED show system Di spla ys sys tem in forma tion. ■ System Descript or - for exampl e: 3Com Home Co nnect ™ Remo t[...]

TELNET Comm ands A-21 update softwar e tftp <filename> server <ip_addr> path < path> VERI FY verify f ilter <filter_ name> V eri fies the syn tax of a fi lt er file, which has be en pr eviously add ed to the table . If you u pdate a filter fi le and TF TP it to the FLAS H file syste m, and the fil e already exis ts in the fi[...]

A-22 A PPENDIX A: CLI C OMMAND D ESCRIPTION Logout Leave the CL I and clos e this connec tion. Th is en ds the TELNET session. Command Features The command la nguage has se ver al built in featur es t hat make it easier to use . When abbr evia ting c omman ds, it is some times har d to r ememb er the commands and t heir synt ax. Using com mand comp[...]

A Add command 2 -2 ADSL r eset A-11 show settings A-16 show transceive r_status A-15 show versio n A-16 AT M show status A-16 A TM Info rmatio n, config uring 3-2 B Bri d ge Net wor ks Configura tion enab l e b ri dge spa nni ng_ tree A-6 set bri dge A-12 Stat istics list br id ge forwa rdi ng A-7 bri d ge Net wor ks Configura tion disa ble b rid g[...]

F Filte rin g C apa bil ities 4- 1 Filters add filt er A-1 delete fil ter A-4 list filters A-8 FLASH ROM 2-2 I Interface 1-1 Interfaces disable link_ traps interf ace A-5 list interfaces A-8 Inter net , vie wi ng Web res ource s 1 -1 IP Configura tion add ip net work A-2 delete ip network A-4 disa bl e i p n e t wor k A - 5 enable i p network A-6 l[...]

N Network user 2-2 P Pack age, w hat’ s inclu ded 1-1 Password 2-2 Passwor d Protectio n 3-9 Passw or ds add user A-3 PC 1-1 R Remote Site Manag ement 3-1 S Scripts CLI do (run CLI script) A-6 Security CLI Access disable security_option r emote_user admin istration A-5 enable se curity_option r emote_ user administration A-6 Dial-in disa ble u se[...]

help A -7 history A-7 list facili ties A-8 list files A-8 r eboot A-10 r ename file A-11 System I D 3-8 T TELNET access 3-8 TF TP access 3-9 Tim e 3 -7 U Users delete user A-5 show user setti ngs A-20 show vc settings A-18 V VC set vc A-13 Vi r tua l Ch anne l (V C) 2 -3 W W eb Br owser a ccess 3-8[...]

T ECHNICAL S UPPORT AND L IMITED W ARRANT Y Notice : This m odem was n ot d esigned or appr ov ed fo r use in Eur ope, Australia, or New Zealand . T e chni ca l Sup p ort 3Com provi de s ea s y acc ess to techn ic a l s up p ort in fo rm at io n through a varie ty of s ervice s. This s ectio n de scri bes tho se s ervic es. T ec hni cal Su ppor t H[...]

send the mod em back in the or ig inal bo x. Send ONL Y the mode m (NOT manua ls, disket tes, e tc.) Include your SRO number , name an d addr ess on the shi pp in g lab e l as w el l as in s id e th e pa ck ag e . If poss ib le, se nd the package vi a a couri er capable of track ing the pr ogress of th e shipment . Ship t o th e foll owing addr ess[...]

This equi pmen t comp lies with FCC Rules Part 6 8. Located on the bot tom of the modem is th e FCC Regist rati on Numbe r and Ring er Equi valen c e Numbe r (RE N ). Y o u mus t provi de t hi s info rm a t io n to th e te le ph o ne company if req ueste d. The REN is used to determi ne the numbe r of devic es you may lega lly conne ct to yo ur tel[...]

the t elepho ne n umb er of t he sendin g mac hi ne or of such busi ness, o t her entit y , or in divid ual. (The telep hone numb er pr ovi ded may not be a 900 numb er or any oth er n umbe r for w hic h ch arge s ex ce ed loc al or long- dista nce tr ansmissi on ch arges.) In order to p rogram th is inform ation into yo ur m odem, refe r to the Ra[...]

Stock No . 004- 000-03 45-4 U.S. Gove rnment Print ing Of fice W ashi ngt on, DC 204 02 In accordance with Part 15 of the FCC rule s, the u ser is cautione d that any changes or modifi cations t o the equi pment describ ed in this ma nual that ar e no t expr e ssly appr ov ed by 3Com c oul d void t he user ’ s aut horit y to operat e the equi pme[...]

teleco mmunica ti on compa nies do no t allow users t o connect t hei r equipmen t to jack s except in pre cise sit uations t ha t ar e spelle d out in tariffing arra ngem ents w ith thos e com panies. Repa irs to c ertif ied equ ipmen t sh oul d be c oordina ted by a represen tativ e designat ed by t he suppli er . Any r ep airs or a lter ati ons [...]

ense mble . Cet te préc aut ion est p artic uliè rement im po rtante dan s le s région s r urales. A vertissement: L'util isat eur ne do it pa s t ente r de faire ce s raccor d ements l ui m ême; il doi t avoi r r ecou rs à u n serv ice d 'inspect ion des insta llati ons é lec triqu es, o u à u n él ect ricie n, s elon le cas. Cen[...]

the l a t er of Ap ril 1, 2000 , or ni nety ( 90 ) day s afte r pur ch a se of the product from 3Com or its au th or ize d reselle r , 3Co m sha l l, at its opti on and expense, pr ovide a sof twar e upd at e which woul d ef fect th e pr o per perf ormance of such pr oduct , r epa ir such pr oduct , del iver t o Cust omer an equ iv a le nt produ c [...]

W arranties ex clusi ve I F A 3COM PR ODUC T DOES NOT OP ERA TE AS WARR ANTED AB OVE, CUSTOMER ’ S SOLE REM EDY FOR BRE AC H OF THA T W ARRANTY SHALL BE R EPAIR , REPLAC EMENT, OR R EFU ND OF THE PU R C HASE PRIC E PAID, AT 3COM’ S OPTION. TO THE FULL EXTE NT ALLOWE D BY LA W , THE FOREGOIN G W ARRANTI ES A ND REMEDI ES ARE EX C LUSIV E AND ARE[...]

exclu sions may be l imite d i n thei r applic atio n to you. Wh en the i mplie d warran t ies ar e not al lo wed to be ex cluded in t heir enti r ety , they wi ll be limited to the duratio n of the applic able written warran ty . Th is warranty gives you spe cifi c lega l ri ghts w hich ma y va ry d epend ing on local law . Gover ning La w This Li[...]