3Com 3C16721A manuale d’uso

Of ficeConnect ® Fast Ether net Hub 4, Hub 8, Hub 12 Use r Gu ide (3C16 723 A , 3C16 722 A, 3C 167 21 A) 3C 1672 1 .bo ok Pa ge i We dn es day , Jul y 7 , 19 99 3 :0 5 P M[...]

3Com Corporati on ■ 5 400 Bayfront Pl aza ■ Santa Clara , California ■ 95052-8145 Copyri ght © 1 999, 3C om T ec hnolog i es. All righ ts reserve d. No part of this doc umenta tion ma y be reproduced in a ny form or by any mean s or used to make any derivati ve work (such a s transl ation, tran sformati on, or adapta tion) without written pe[...]

3 Intr oducti on 5 Crea ting Y our Network 6 Fast Etherne t Hub 4 and Hub 8— Fr ont 6 Fast Etherne t Hub 4 and Hub 8— R ear 7 Fast Etherne t Hub 12—Fron t 8 Fast Etherne t Hub 12—Rear 9 Be fo re Y o u St ar t 10 Wor kstati on Connections 10 Hub Connect ions 10 Stack ing t he Uni ts T ogether 11 The Ru bber F eet 1 1 The Stac king Clip 11 Po[...]

4 3C 1672 1 .bo ok Pa ge 4 Wed ne sd ay, J ul y 7, 199 9 3:0 5 PM[...]

5 I NTRODUCTI ON Welcome to the world of networking with 3Com ® . In the modern business env ir onment, communicati on and sharing information i s crucia l. Computer networks have pr oved to be one of the fastes t modes of communication but , until re ce ntly , only lar ge businesses coul d af f or d the net w orking advantage. T he O f ficeConnec[...]

6 C RE A T I N G Y OUR N ETWORK Fast Ether net Hu b 4 and Hub 8— Front 12 3 45678 1% 2% 3% 6% 12% 25% 50% 80% Port Status Netwo rk Utilization Green = OK, Y ellow = P artitioned Alert OfficeConnect Fast Ethernet Hub 8 Power Collision Activity Alert LED orange Alerts you to excessive network use or a partitione d 100BASE-TX port. Power LED green I[...]

7 Fast Ethe rnet Hu b 4 and Hub 8— Rear Power adapter socket Only use the power adapter that i s supplied with thi s OfficeConnect hub. Do not use any other adapt er . Uplink /Normal sw itch Affects the operation of the highest numbered port (port 4 on Hub 4 and port 8 on Hub 8). For connecti ng the port to a workstation, set to Normal (out). Fo [...]

8 Fast Ether net Hu b 12—F r o nt 7 1 8 2 9 3 10 4 11 5 12 6 1% 2% 3% 6% 12% 25% 50% 80% Port Status Netwo rk Utilization OfficeConnect Fast Ethernet Hub 12 Alert Power Collision Green = OK, Y ellow = P artitioned Alert LED orange Alerts you to excessive network use or a partitione d 100BASE-TX port. Power LED green Indicates that the power suppl[...]

9 Fast Ethe r net Hub 12—R ear 12 6X 7X 1X POWER Power adapter socket Only use the power adapter that i s supplied with thi s OfficeConnect hub. Do not use any other adapt er . Uplink /Normal sw itch Affects the operation of the highest numbered port (port 12) . For connecting t he port to a worksta tion, set to Norm al (out). For connecting the [...]

10 Before Y o u Start Y our OfficeConnec t hub comes with: ■ One power adapter for use wit h the Off iceConnect hub ■ A Pr oduct Registr ation car d for you t o fill out and r eturn ■ Four rubber feet ■ A st acki ng cl ip ■ T wo unit labels and e ight cable t ies. ■ An Of ficeConnect N etwork Assistant CD-ROM. The extr a part s ment ion[...]

11 St ackin g the Unit s T oge ther The Ru bber F eet The four self-adhesi ve r ubber feet preve nt y our hub f r om moving ar ound on your desk. Only s tick t he feet to the marke d areas at each cor ner of the underside of your hub if you intend t o place t he unit dir ectly on t op of the desk. D o not fix the feet if you ar e going to us e the [...]

12 Positio ning Y our OfficeConne ct Hub When install ing your Of ficeConnect hub, ens ure: ■ It i s out of direct sunlight and away fr om sourc es of heat. ■ Cabling is aw ay f rom power l ines, fluor escent li ghting fixtur es, and s our ces of electric al noise s uch as radios, trans mitt er s and br oadband am plifiers. ■ W ater or moistu[...]

13 Conne cting Work stations a nd Othe r Equip ment t o Y o ur H ub WAR NING: Please read the ‘Import ant Safe ty Information’ s ection befor e you start . WARNHINWEIS: Bitte les en Sie den Absc hnitt ‘Wichtige Sicherhe itsinformatione n’ sorgfältig dur ch, bevor Sie das Gerät einschal ten. A V ERTISSEMENT : Ve uillez li re attentiv ement[...]

14 Connect ing 100BASE-TX Hub s Y ou c an connec t two Offic eConnect hubs toget her , as s een in Figur e 4, w ith 100BASE- TX in a numbe r of w ays, but f or simplic ity we r ecommend the fol lowing method: 1 Connect the highest-number port (port 4 on Hub 4, port 8 on Hub 8, port 12 on Hub 12) of t he lower hub to any por t of the uppe r hub. 2 S[...]

15 P RO B L E M S OL VING The Of ficeConnect hub has bee n designe d to aid y ou when detecti ng and solving pos sible pr oblems with your network. These pr oblem s ar e rar ely seri ous; the cause i s usually a disconnect ed or damaged c able, or inco r r ect configuration. If this section does not solve your pr oblem, contact your suppl ier for i[...]

16 Port Status LED not lit for a port t hat has a connection. There i s a pr oblem wit h this par ticular connect ion. Check th at the equipme nt connect ed to the hub is pow ered on, opera ting corr ectly , and contains a 100BASE-TX c onnection. The hub can only be direc tly connected to equipm ent that can pr ovide a 100Mbps connection (not 10Mbp[...]

17 N ETWORKING T ERM INOLO GY A Netw ork i s a coll ection of works tations (for example, IBM-compati ble PCs) and other equipment (f or exampl e, printers), connected for t he purpose of exchanging information or sharing resour ces. Networks va ry in size, some ar e wit hin a singl e room, other s span contine nts. A Local A rea Network (LAN) is a[...]

18 D IME NS IO NS AND S TAND ARDS Dimens ions and Oper ating C ondi tions OfficeCon nect F ast Ether net Hub 4 OfficeCon nect F ast Ether net Hub 8 Of f iceCo nnect Fas t Ether net Hub 12 500g (1.1lb) 225m m (9in.) 0 to 40°C (32 to 105°F) operating temperature 4 V A 14 BThU/hr power 0 to 90% (non-condensing) humid ity 35.8mm (1.4in.) 135.4mm (5.3[...]

19 St andar ds Functional: ISO 8802/3 IEEE 802.3 Safety : UL 1950, EN 60950 CSA 22.2 #950 IEC 950 EMC: EN 55022 Clas s B † EN 50082-1 FCC P art 15 Class B † * ICES-003 C lass B VCCI Class B † CNS 13438 C lass A Environme ntal: EN 60068 (I EC 68) †Categor y 5 scree ned cables mus t be used t o ens ure compl iance with the Class B requ iremen[...]

20 E NVIR ONMENT AL S TATEM ENT S It i s the policy of 3C om Corporation t o be environ mentally- f riendly in all operat ions. T o uphold our poli c y , w e are c ommitted to: ■ Establis hing envir onmental per formance standa rds t hat comply wi th national leg islation and regul ations. ■ Conserving e nergy , materia ls and natur al re sourc[...]

21 I MPO RTANT S AF ETY I NF ORM ATI ON WARNIN G: Warnings contain directions that you must fo llow for your pers onal safety . Follow all dire ctions ca reful ly . Y ou must re ad the follo wing sa fety infor mation carefully before you ins t all or remove the unit : ■ Except ional car e must be taken during ins tallat ion and re mova l of the u[...]

22 W ICHT IGE S ICHER HE ITSHI NWEI SE WARNHINWEIS: Warnhinweis e enthalte n Anweisungen, die Sie z u Ihrer ei genen Sicherhe it befolge n müssen. Alle Anweisungen sind sorgfäl tig zu befolge n. Sie müs sen die fol genden Sicherhei tsinformat ionen sorg f ältig durc hlesen, bevor Sie das Ger äts installi eren od e r au s b a uen : ■ Bei der [...]

23 C ONSI GN ES IM PO RTANT ES DE SÉ CU RITÉ A V ERTISSEMENT : Les avert issements pr ésentent de s consignes que vous devez r es pecter pour garantir votre séc urité pers onnelle. V ous deve z respecter attentiv ement toutes les consi gnes. Nous vous demandons de lir e attenti vement les consignes s uivantes de sécur ité avant d’insta lle[...]

24 T ECHNI CAL S UPP ORT 3Com pr ovides easy a ccess to t echnical support inf ormation through a variet y of services. This section describes these serv ices. Information contained in t his sec t ion is correct at time of publicat ion. For the mos t rece nt inf ormation, 3Com r ecommends t hat you acce s s the 3Com C orporation World Wide Web sit [...]

25 Suppo rt from Y our Net work S upp lier If you r equir e additional as sistance, contact your network supplier . Many suppl iers ar e authoriz ed 3Com servic e partner s who are qualifie d to provide a variet y of se r vice s , including ne t wor k planning, inst allation, har dware mainte nance, application t raining, and support servic es. Whe[...]

26 Here is a l ist of worldwi de technical t elephone support numbers: Count ry T eleph one Num ber Coun try T ele phone N umber Asia, Pacif ic Rim Australia Hong Kong India Indo nesia Japan Malaysia New Ze alan d Paki stan Philippines 1 800 678 515 800 93 3 4 86 +61 2 9937 5085 001 80 0 6 1 009 0031 6 1 6 439 1800 8 01 777 0800 4 46 398 +61 2 9937[...]

27 Lat i n Am e ric a Ar gentin a Bra zi l Chile Col om b ia A T&T + 800 66 6 5065 0800 1 3 3 266 1230 0 20 0645 98012 212 7 Mex ico Per u Pu er to Ri c o Ve n e z u e l a 01 800 CARE ( 01 800 2273) A T &T + 800 666 5065 800 666 5065 A T &T + 800 666 5065 Nor th Am er ic a 1 800 876 -3266 Cou ntry T ele phone Number C ount ry T ele pho [...]

28 Retu rni ng Pr o duct s for Re p air Befor e you send a pr oduct directly t o 3Com for re pair , you must fi rst ob tain a Retur n Ma teri al Auth orizatio n (RMA) number . Products sent to 3Com wit hout authori z ation numbers wi ll be r eturned to the s ender unopened, a t the sender’ s ex pense. T o obtain an authorizat ion number , call or[...]

29 3Co m Co rp or ati on L IMITE D W ARRANTY 3Com Offic eConnect F ast Ethernet Hub 4, Hub 8, Hub 12 The d uration of th e warra nty for t he Offi ceConne ct Fast Ether net Hub 4 (3C1672 3A), H ub 8 (3C1 6722A ) and Hu b 12 ( 3C16721A ) is li fetime, i ncluding the p owe r ada p t er. Advance hard ware e xchan ge is avai labl e during t he f irst y[...]

30 pre-a uthorize d by 3C om with a Ret urn Mater ial Aut hori zation (RM A) numbe r marke d on the outsi de of th e pack age, a nd sent pr epai d and pa ckage d appr opriately f or saf e ship ment, and it is recomm ended t hat th ey be i nsure d or sent by a me thod that provi des f or tracki ng of t he pack age. Th e repa ired or replace d item w[...]

31 D ISCLA IM ER Some countr ies, sta tes, or province s do not allo w the excl usion or limi tatio n of impli ed war ranties or the limi tation o f incid ental or c onseq uential damag es fo r certa in prod ucts sup plied to co nsumers, o r the limita tion of liabili ty for pe rsona l injury , so t he above limi tations an d excl usions may b e li[...]

32 E LECTR OMAGNETIC C OMPA TI BI LI TY FCC S TATEMEN T This equip ment has be en tes ted and f ound to com ply with t he l imits for a C lass B digita l device , pursu ant to P art 15 of the FCC Rul es, and the Cana dian Departme nt of Communi cati ons Equi pment Standa rds en titled, “D igita l Appara tus,” IC ES-003. T hese limits are de sig[...]

33 3C 1672 1 .bo ok Pa ge 33 W edn e sd ay, J ul y 7 , 19 99 3 : 0 5 P M[...]

34 3C 1672 1 .bo ok Pa ge 34 W edn e sd ay, J ul y 7 , 19 99 3 : 0 5 P M[...]

35 W all mounti ng screw hole guide Fast Ether net Hub 4 and 8 150mm (5.9in.) W all mounti ng screw hole guide Fast Ether net Hub 12 142mm (5.6in.) 3C 1672 1 .bo ok Pa ge 35 W edn e sd ay, J ul y 7 , 19 99 3 : 0 5 P M[...]

Part No. DUA 16 72-1AA A03 Publ is hed Jun e 19 99 36 3C 1672 1 .bo ok Pa ge 36 W edn e sd ay, J ul y 7 , 19 99 3 : 0 5 P M[...]