Manuale d’uso / di manutenzione del prodotto 3C10220 del fabbricante 3Com
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http://www.3com.c om/ 3Com ® Ether net Power Sour ce Guide 3C10220 - 12-Port Et hernet Powe r Source 3C10222 - 24-Port Et hernet Powe r Source Part Num ber: 1003853 8-01 Rev B Publishe d: Novembe r 2.
3Com Corporation 5400 Bay fr ont Plaz a Santa Clara, California 95052-81 45 Copyri ght © 2000, 3Com C orporatio n. All right s reserved . No part of this doc umentatio n may be reproduced in any form.
C ONTENTS A BOUT T HIS G UID E Convent ions 5 Document ation Co mments 6 Y ear 2000 Compliance 6 3Com Suppor t 7 1 3C OM E THER NET P OWER S OUR CE O VERV IEW Overview 10 Featur es 10 Front Panel C on.
3 T R OU BLESHOO TING Solvi ng EPS Problems 27 Solving N BX T el ephone Problems 30 Solvi ng W ireless Ac cess Po int Proble ms 32 A S AFETY I NFORM ATION Importa nt Safe ty Info rmatio n 36 L ’ in .
A BOUT T HIS G UIDE This gu ide pr ovides all t he informat ion that you need t o install and use eithe r of the Ethe rnet Power Sour ce (EPS) units: ■ 3C1022 0 — with 12 10BAS E-T/100BASE-TX port.
6 A BOUT T HIS G UIDE Document ation Comments Y our suggest ions ar e very import ant to us. They wil l help make our document ation more us eful f or you.
3Com S upport 7 3Com Su pport For informati on about these topics: ■ Pr oduct T roubles hooti ng ■ Softwar e Downloads ■ Documen tation ■ 3Com Service use your web br owser to access this web site : http://support.3com.com/ and look f or Network T eleph ony Produ cts .
8 A BOUT T HIS G UIDE.
1 3C OM E THER NET P OWER S OURCE O VERVIEW The 3Com Ethe r net Power Sour ce (EPS) pr ovides power , over existi ng Ether net w iring, to de vices suc h as NBX teleph ones an d 3Com w ireless access point s.
10 C HAPTER 1: 3C OM E THERNET P OWER S OURC E O VER VIEW Overview The power so urce is desi gned for use with a stan dard 10BASE-T /100BASE-TX Eth er net networ k over standar d TIA/EIA-5 68, Categor y 5 cable. The DC operati ng power for the data ter minal uni ts is fed through the unused pairs (7/8) an d (4/5).
Front Panel Connec tion s and LE Ds 11 Fro nt Panel Connections and LEDs Figur e 1 and Figur e 2 show the fro nt-panel det ails of t he 24-p ort and 12-por t EPS uni ts.
12 C HAPTER 1: 3C OM E THERNET P OWER S OURC E O VER VIEW 10/1 00BASE-T X Data and Power Output Po rts The EPS out put ports (top r ow) carry two ki nds of transmis sions: ■ Ethernet dat a on the st.
Front Panel Connec tion s and LE Ds 13 Unit Power Status Indications AC LED DC LED Off Off ■ No AC pow er supply is plu gged into the AC inlet a nd no redu ndant DC power sup ply is connected . or ■ An AC powe r supply fa ult has occurred a nd no redun dant DC power supp ly is connected .
14 C HAPTER 1: 3C OM E THERNET P OWER S OURC E O VER VIEW Rear Panel Connec tions Figur e 3 shows t he EPS rear p anel. Figure 3 Ethernet Pow er Sour ce — Rear Pa nel Info rmatio n Labe l T o facili.
Guidel ines for Network Configura tion 15 DC Po wer So cket Th e EPS has a 12 -pin DC powe r socket for use only wi th an opti onal – 24 VDC unint erruptible power s upply (UP S). See the documen tation that comes with your UPS. The EPS nor mally dra ws power from its in t ernal power suppli es.
16 C HAPTER 1: 3C OM E THERNET P OWER S OURC E O VER VIEW Figure 4 S ample EPS T opology with the NBX 100 Communications System NBX 100 Switch or Hub 3Com Et her net Power So ur ce Wi ri ng Cl o se t .
Guidel ines for Network Configura tion 17 Figure 5 S ample Network T opology with a 3Com W ireless Access Point 3Com Et herne t Power S ource Wiring Cl oset Patch Pa nel Serv ers 3Com Wir eless Access.
18 C HAPTER 1: 3C OM E THERNET P OWER S OURC E O VER VIEW.
2 I NSTALLING THE E THER NET P OWER S OUR CE AND E ND D EVICES This chapt er cont ains the inf ormatio n that you need to instal l and set up the Ethernet Power Sou rce (EPS) and end devices.
20 C HAPTER 2: I NSTALLING THE E T HER NET P OWER S OURC E AND E ND D EVICES Choosing a Suitable Sit e The EPS is suitable for an of fice enviro nment. It can eith er be rack- mounted i n a standa rd 19 -inch equipment r ack (for examp le, in a wirin g closet or equipme nt r oom) or place d fr ee-stan ding on a desk, table , or count er .
Rack-mou nting the EPS 21 Rack-mounting the EPS The EP S is 1. 5U hig h (1 U equals 3 .8 cm (1.5 inc hes)) and fit s in mo st standar d 19-inch equipme nt racks. CAUTIO NS: ■ Before you conn ect the brack ets or mount the unit in the rack, disconne ct all cables and power from the EPS .
22 C HAPTER 2: I NSTALLING THE E T HER NET P OWER S OURC E AND E ND D EVICES Power -up Sequ ence The followi ng sect ions descri be how to add po wer to your EPS and pr epare i t fo r oper ation. Adding Pow er T o add power to the EPS, fol low these steps.
Selecting the Correct Cables 23 Figure 7 Connec ting Other Devices to the Pow er Source Unit T able 4 and T abl e 5 lis t the R J45 in put and output plugs (per port) Ta b l e 4 RJ-45 Input Plug (per .
24 C HAPTER 2: I NSTALLING THE E T HER NET P OWER S OURC E AND E ND D EVICES Power Spli tter Cable The power split t er cabl e has a sin gle RJ45 female co nnector on one end. All ei ght pins on t his conn ector ar e connected, eit her to the power or to data.
Connecting a 3Com Wirele ss Access Point 25 4 After you make the f inal connec t ion , check the LC D display on the telep hone. Informa t ion appears wh en the telephone a ttempts t o down load in formati on from th e NBX s ystem. If you see no thing in the LCD display , see “ Solvi ng NBX T elepho ne Probl ems ” in Cha pter 3.
26 C HAPTER 2: I NSTALLING THE E T HER NET P OWER S OURC E AND E ND D EVICES When the connectio n is complete betwee n the EPS and the 3Com Wi r el ess Access Point, verify that: ■ The power LED continues to f lash until the Wire less Access Point complet es the bo otstra p sequenc e.
3 T R OUBLESHOOTING Solving EPS Problems If the LED s on the EPS i ndicate a pro b lem, see T able 6 for some su ggested solutions. Ta b l e 6 Solving EPS Pr oblems Prob lem Possible Cause Suggested Acti on A Power LED does not light, and you hav e NO exter nal DC volt age supply.
28 C HAPTER 3: T ROUBLESHOOTING A Power LED does not light, a nd you h ave both AC power and an exter nal DC volt age supply. Both AC po wer and DC power supplies are faulty. ■ Disconne c t the DC power s upply, and us e the procedure s outlin ed earlier in this table to check for problem s with th e AC supp ly.
Solvi ng EPS Problems 29 The device was conne cted too soon after bein g disconn ected. ■ If th e cable s do not appear to be a problem , and pins 4, 5, 7, a nd 8 ar e not ground ed, the end de v ice m ay have been plugge d in too soon after being u nplugged, whic h can result in the d evice ap peari ng to the EP S as a nonpowere d device.
30 C HAPTER 3: T ROUBLESHOOTING Solving NBX T eleph one Problems If power is n o t r eaching an NBX Business T elephon e, use th e informat ion in T able 7 to re solve the pro blem. Ta b l e 7 Solving NBX Business T elephone Probl e ms Problem Pos sible Cause Sugges ted Action No char acte rs appe ar in the telephone LCD displ ay.
Solvin g NBX T elephon e Problems 31 Faulty EPS ■ Follo w the procedures desc ribe d in Tab le 6 to determine if the EP S is faulty. Telepho ne receives po wer, but date and time do not appe ar in th e LCD disp lay. Faulty conn ection to t he N BX Network Control Process or (NCP) in the NBX chassis.
32 C HAPTER 3: T ROUBLESHOOTING Solvi ng Wi reless Access Point Problems If power is no t reach ing a W irel ess Access Point, use the in formation in T able 8 to resolve the problem.
Solv ing Wir eles s Acces s Point Pr oblem s 33 Faul ty EPS ■ Follo w the proce dures desc ribe d in T abl e 6 to determine if the EPS is faulty. The Wireless Access Po int is receiving power, bu t the network indi c ator (cen ter LED) does not fl ash.
34 C HAPTER 3: T ROUBLESHOOTING.
A S AFETY I NFORMATI ON Carefully read and fo llow this safety informa tion be fore you install or r emove any components o r perfor m any maint enance pr ocedur es on the Ethernet P ower Source (EPS). WARNING: Warning s contain directions that you m ust follow for your personal safety .
36 A PPENDIX A: S AFETY I NFORMATION Importan t Safety Inform ation ■ Instal lation and r emoval of the EP S must be carrie d out by qualifi ed pers onnel o nly . ■ Always conn ect the EPS to an earth (g round) con n ecti on when you conne ct it to an AC outlet (power s upply).
L ’ informa tion de S é curit é Impor tante 37 ■ France an d Peru only: – This unit c annot be po wer ed fr om IT (imp é dance à l a terre) supplies.
38 A PPENDIX A: S AFETY I NFORMATION que s i l' é quipement auquel i l est racc ord é fonct i onne dans les m ê mes condit ions. ■ Cor don é lectri que — Il doit ê tre agr éé dans le p.
Wic htige Siche rheit sin format ionen 39 Wich tige Sicher- heitsi nformat ionen ■ Die In stalla tion un d der A usbau des Ger ä ts d arf nur durch Fachpe rsonal er folgen.
40 A PPENDIX A: S AFETY I NFORMATION.
B T ECHNICAL S PECIFICA TIONS AND P IN A SSIGNMENTS T able 11 T echnical Specifications for the Ethernet Power Source Physical Di mensions Height: 7 6 mm (3.
42 A PPENDIX B: T ECHNICAL S PECIFICATIONS AND P IN A SSIGNMENTS Pin assign ments are the same for t h e 10BA SE-T and 100BA SE-TX RJ45 connect ors. T able 12 Pin Assignments Pin N umbe r Signa l Func.
3Com Corporation L IM ITE D W ARRANTY 3C OM E THER NET P OWER S OURCE 12-P ORT U NIT (3C10220) AND 24-P ORT U NIT (3C10222) H ARDWARE 3Com warrants this har dware prod uct to be fr ee from d efects in.
W AR RANTIES E XCLUSIVE IF A 3COM PRODUCT DOES N OT OPERATE AS WARRA NTED ABOVE, CUSTOMER'S SOLE REMEDY FOR BREACH OF THAT WARRANTY SHALL BE REPA IR, REPLACEMENT, OR REFUND OF THE PURCHA SE PRICE PAID, AT 3COM'S OPTION.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il 3Com 3C10220 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del 3Com 3C10220 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso 3Com 3C10220 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul 3Com 3C10220 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il 3Com 3C10220, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del 3Com 3C10220.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il 3Com 3C10220. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo 3Com 3C10220 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
