Manuel d'utilisation / d'entretien du produit 2520G-POE du fabricant HP (Hewlett-Packard)
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HP Pr oCurv e 25 20G-P oE S w itc hes Ins tal lat ion an d Gettin g St arted Gu id e Po w e r o v e r E t h e r n e t.
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HP ProCurve 2520G-PoE Sw itches Installation and Ge tting Started Guide.
Hewlet t-Packard C o mpan y 8000 Foo thills Boulevar d, m/s 5551 Rosev ille, Calif ornia 9574 7-5551 www .hp.com/go/procurv e © Copyright 2009 Hewlett-Packard Development Compan y , L.
iii Contents 1 Introducing the Switch Front of the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Network Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iv 6. Installing or Removing mini-GBICs . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 Installing the mini-GBICs: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 8 Removing the mini-GBICs . . . . . . . . . . . . . . . . . .
v HP Customer Support Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 -13 Before Calling Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13 A Specifications Switch Specifications . .
vi Japan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-8 Korea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-9 Taiwan . . . . .
1-1 1 Intr oducing th e Switch The H P ProCur ve 2520G-Po E Swi tches are mult iport switc hes that can be u sed to build high-pe rformanc e switched wo rkgroup n etworks . These switches ar e store-and-f orwar d devi ces that of fer low la tency for high-spee d networki ng.
1-2 Introduci n g the Switch Dual-pe r sonalit y ports use either t he 10/100 /1000Base-T R J-45 connecto r , or a supporte d ProCurve mini-GB IC (Small F orm Facto r Pluggab le (SFP )) for fiber -opt ic conne ctio n. By default , the RJ-4 5 conn ectors a re enab led.
1-3 Introducin g the Switch Front of th e Swit ch Front of the Switch Network Ports ■ 8, or 24 a u to-sensin g 10/100/100 0Base-T ports. All these ports have the “Au to-MDIX ” featur e, which means th at you can use ei ther straight-th rough or crosso ver twisted- pair cab les to connec t any ne twork devices to the switch.
1-4 Introduci n g the Switch Front of th e Switch LEDs On the 2 520G-PoE switc h es, ther e are three g roupings of LEDs: ■ switch status LEDs ( Ta b l e 1 - 2 ) ■ port LEDs ( T able 1-3 ) ■ Port LED Mod e indicato r LEDs (nea r the selector button) ( Ta b l e 1 - 4 ) T able 1-2.
1-5 Introducin g the Switch Front of th e Swit ch Te s t (green /orange ) Off Th e nor mal ope rati onal s tate; the swit ch is not un der going sel f te st. On green The switc h self test and initia lization ar e in progr ess after the swit ch has been powe r cyc led or r eset.
1-6 Introduci n g the Switch Front of th e Switch Port LEDs The port LE Ds provide informat ion ab out the indiv idual switch port s. T able 1-3. Port LEDs Swit ch L EDs State Meanin g Port LE Ds Link 2 (green ) On The port is en able d and r eceiv ing a l ink in dica tio n from the co nnec ted device .
1-7 Introducin g the Switch Front of th e Swit ch LED Mode Select Butto n and Indicator LE Ds T o optim ize the am ount of in format ion that ca n be display ed for each of the switch ports in the lim ited space available, the 2520G-PoE switch es use multiple-disp lay LEDs for e ach port.
1-8 Introduci n g the Switch Front of th e Switch Reset But ton This bu tton is f or: ■ Resett ing the swi tch - When the switch is pow ered on. This ac tion cl ears any tem porar y er ror cond it ions th at m ay h ave oc curr ed a nd ex ecut es t he switch self test.
1-9 Introducin g the Switch Back of the Sw itch Back of the Switch Power Connector The Swi tch 252 0G-24-PoE d oes not have a power switch; it is p o wered on when con nected to an acti ve AC power sour ce. The switch automati cally adjusts t o any vo ltage b etween 1 00-127 and 200-240 volts an d either 50 or 60 Hz.
1-10 Introduci n g the Switch Switc h Features Switch Features The feat ures of the 2 520G-PoE switches include: ■ 8, or 2 4 auto-sen sing 10/100/100 0Base-T RJ-45 po rts with A u to-MDI X. ■ T wo, or four du al-persona lity upli nk port s (1000Ba se-T RJ -45 or mini - GBIC).
1-11 Introducin g the Switch Switc h Feat ures ■ V ariable speed f ans ensure qui et operati on on t he Switch 2520G-2 4-PoE. ■ Support fo r many a dvance d featur es to enhanc e networ k per formance — for a de scription, see t he Management and Configuration Guide, whic h is on the Pro Curve W e b site at www .
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2-1 2 Installing the Swi tch This chap ter provides i nstallati on inf ormation for the 252 0G-PoE switches. Included Parts The 2520G- PoE switc h es h ave the followi ng com ponents: ■ Docu ment at.
2-2 Instal ling the Swit ch Inclu ded Pa rts ■ Switc h 2520G -24-PoE AC power cor ds, one o f the followi ng: ■ Switc h 2520G -8-PoE e x ternal AC/DC power adapter s and power cords, one of the fo.
2-3 Installin g the Switch Includ ed Parts Installation Pre cautions WA R N IN G ■ The r ack or cab inet sho uld be adequa tely se cured to prevent it from becoming unst a ble and/or fallin g over .
2-4 Instal ling the Swit ch Insta llati on Pr oced ures Installation Procedures These ste ps summarize your swit ch installation. The rest of this chapter provides details on th ese steps.
2-5 Installin g the Switch Insta llati on Pr oced ures 1. Prepare the Installation Site ■ Cabli ng In frastr uctu re - Ensure the cablin g infrastr ucture meets th e necessary network spe cifications.
2-6 Instal ling the Swit ch Insta llati on Pr oced ures 2. V erify the Switch Passes Self T est Before m ounting the switc h in its ne twork location, y ou shou ld first ve rify it is wor king pr operl y by plu gging it into a p ower source an d verifying it passes its self test.
2-7 Installin g the Switch Insta llati on Pr oced ures The swit ch autom aticall y adjusts to any vol tage bet ween 100-127 or 200-24 0 volts an d either 50 or 60 Hz. There are no voltage r ange settin gs required. The Swi tch 25 20G-8-PoE al so does not have a p ower swi tch.
2-8 Instal ling the Swit ch Insta llati on Pr oced ures LED Beha vior During the self test: • Initially , all the switc h and port LEDs are on. Most of the LEDs go off and then may come on again durin g phases of the se l f test. • For the dur ation of th e self test, the T est LED stays on.
2-9 Installin g the Switch Insta llati on Pr oced ures WA R NI N G For sa fe oper ation, please rea d the mou nting pr ecaut ions on page 2-3 , before mounting a switch. Equi pment Cabi net Note The 12-24 screws supplie d with the switch are the correct t hreading for standard EIA/TIA ope n 19-inch racks.
2-10 Instal ling the Swit ch Insta llati on Pr oced ures 2. H old the sw itch wit h at tach ed br acke ts up to th e rac k and mo ve it verti cally unt i l rack holes line u p with the br acke t holes, then insert and tighten the four numbe r 12-24 screws ho lding the brack ets to th e rack.
2-11 Installin g the Switch Insta llati on Pr oced ures Rack Mounting the Switch 2520G-8-PoE Note R equire s opti onal mo unting brack et kit (not inclu ded). 1. Use a #1 Phillips ( cross-head) screwdriver and attach the m ounting bracket s to the swit ch with the includ ed 8-mm M4 scr ews.
2-12 Instal ling the Swit ch Insta llati on Pr oced ures 2. H old the sw itch wit h at tach ed br acke ts up to th e rac k and mo ve it verti cally unt i l rack holes line u p with the br acke t holes, then insert and tighten the four numbe r 12-24 screws ho lding the brack ets to th e rack.
2-13 Installin g the Switch Insta llati on Pr oced ures W all or Und er -T able Mounti ng Y ou can mo unt the swi tch on a wall with e ither the front or rear pa nel facing up. WA R NI N G For safe o peratio n, do not i nstall th e switch with si de venti lation or fan ducts faci ng up or down.
2-14 Instal ling the Swit ch Insta llati on Pr oced ures Figure 2-8. W a ll Mounting the Switch 2520G-8-PoE Horizontal Surface Mou nting Place the swi tch on a table or other hori zontal surface. The swi tch comes wi th rubber fee t in the acc essory kit that can be used to h elp keep the swi tch from sliding on the surfa ce.
2-15 Installin g the Switch Insta llati on Pr oced ures Figure 2-9. Horizontal Su rface Mount ing Using a Kensington Security Cab le T o preve nt una u thoriz ed re moval of the S witch 2520G -8-PoE, y o u can use a Kensi ngton Slim M icroSave r securi ty cable ( n ot inclu d ed) to atta ch the switc h to an i mmova ble ob ject.
2-16 Instal ling the Swit ch Insta llati on Pr oced ures 2. Re -check the LEDs dur ing self te st. See “LE D Behavi or” o n page 2 -8 . Figure 2-11. Connecting the pow er cord on the Switch 2520G-24-PoE 3. F or the Swit ch 25 20G-8 -PoE , us e the i nclud ed ca ble ti e to secu re the power co rd to th e switch.
2-17 Installin g the Switch Insta llati on Pr oced ures 5. Connect the Networ k Ca bles Connec t the network cables , describ ed unde r “Cabl ing I nfrast ructure” ( page 2-5 ) , from the netw ork devi ces or your patch pane ls to the fix ed RJ-45 po rts on the switch or to any mi ni-GBICs you ha ve installed in the switch.
2-18 Instal ling the Swit ch Insta llati on Pr oced ures 6. Installing or Removing mini-GBIC s Y ou can inst all or rem ove a mini-GB IC from a min i-GBIC slot wit hout havi ng to power off th e switch. Use on ly HP ProCur ve mini-GBI Cs. Caut ion Hot swapping transceiv ers is supporte d.
2-19 Installin g the Switch Insta llati on Pr oced ures Figure 2-14. Installing a mini-GB IC (SFP) Remov in g the m ini- GBI Cs Note Y ou should disconn ect the network ca ble from the mini- GBIC bef ore remo ving it from th e switch.
2-20 Instal ling the Swit ch Insta llati on Pr oced ures For mini-GB IC ports, an d in general fo r all the switc h ports, whe n a network cable from an acti ve networ k device is connec ted to the port, the por t LED for that port should go on.
2-21 Installin g the Switch Insta llati on Pr oced ures ■ for th e Hilgr aeve Hy perT erminal p r ogram, select the “T ermina l keys” option for th e “Function, arrow , and ctr l keys a ct as.
2-22 Instal ling the Swit ch Sample N etwor k Topol ogies Sample Network T opologies This section shows a few samp le network topologie s for impleme nting the 2520G-Po E switches. Fo r more topolo gy infor m ation, see t he ProC urve networking p roducts W eb site , www .
2-23 Installin g the Switch Sample Network Topologi es As shown in the above illustration , the I P telepho nes can be c onnect ed in line, that is , between the switch and the end device , in this case a PC. The IP telephone s have two por ts, one in and one out.
2-24 Instal ling the Swit ch Sample N etwor k Topol ogies The 252 0G-PoE swi tches also work well as segment swi tches. That is, with their hig h perfo rmance, the y can be used for inte rconn ecting ne twork segmen ts—simply co nnect the networ k device s that form those segm ents to the 252 0G-PoE swit ches.
2-25 Installin g the Switch Sample Network Topologi es Stacking t he Switch The 252 0G-PoE switche s can be con n ected t ogether , through sta ndard network conn ection s, and managed through a single IP address. Up t o 16 switch es can be connecte d together in such a “vi rtual sta ck”.
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3-1 3 Configu ring t he Switch This chap ter is a guid e for us ing the c onsole S witch Set u p screen to quickly assign an IP ( Inter net P rotocol ) add re ss and sub net mask to the switch, set a Manager p assword, an d, option ally , co nfig ure other ba sic featu res.
3-2 Config uring the Sw itch Recom mended M inima l Configur ation Using the C onsole Setup Screen The qu ickest a nd easiest way to minima lly con figure th e switch for manageme nt and passw ord pro tection in you r netwo rk is to use a di rect console c onnec tion to the switch, start a co nsole sessi on, and acc ess the Switch Se tup scree n.
3-3 Config uring th e Switc h Recom mende d Minima l Configu ration Here is so me inform atio n on the field s in the Setup scr een. F or more inform ation o n these f i elds, see the Management and Configuration Gui de : Where to Go From Here The above pr ocedu re conf igures yo ur switch with a Ma nager password, IP address, and subnet mask .
3-4 Config uring the Sw itch Recom mended M inima l Configur ation T o Recover from a Lost Manager Password : If you ca nnot start a consol e session at th e manage r level be cause of a lost Ma nager.
3-5 Config uring th e Switc h Using the IP Address for Re mote Switch Manage ment Using the IP Address for Remote Switch Management W ith your switch, y o u can us e the switch ’ s IP address to man age the sw itch from an y PC that is on the same subnet as th e switch.
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4-1 4 T roubl eshooting This chapter describe s how to troublesh oot your P roCu rve 2520G-PoE Switches. T his docume nt describe s trouble shooting mostly from a hardware perspecti ve.
4-2 Trou blesh ooting Basic Troubles hooting Tips Caut ion Because the 2520G-PoE switches behave in this way ( i n compliance with the IEEE 802 .3 standard) , if a de vice connecte d to the swi tch ha s a fixed configurat ion at full dup lex, the devi ce will not conn ect correctly to the switch.
4-3 Trou blesh ooting Basic Tr oubl esho oting Tips ■ Check th e port confi gurat ion. A port on yo ur switch may no t be operati ng as you expect b ecause it has been put into a “blo cking” state by Spanning T ree, GV RP (a utomat ic VLANs) , or L ACP ( automat ic trun king).
4-4 Trou blesh ooting Diagno sing with the LEDs Diagnosing with the LEDs T able 4-1 sh ows LE D pattern s on the sw itch tha t indica te probl em co nditions for general switch opera tion tr oublesh ooting. T able 4-2 sho ws LED pat terns that indica te problem condit ions for P oE troubles hooting.
4-5 Trou blesh ooting Diagno sing with the LE Ds Diagnostic T ips: Ti p Problem Solution ➊ The swit ch is no t plugge d int o an active AC p ower source , or the switch’ s powe r supp ly may ha ve failed . 1. V erify the power cord is pl ugged int o an acti ve power source and to the swi tch.
4-6 Trou blesh ooting Diagno sing with the LEDs ➏ The ne twork conn ection is no t working prop erly . T r y the fol lowi ng pr ocedur es: • For the ind icated port, v erify that bo th ends of the cabli n g, at the swit ch and the connec ted device , are connec ted prop erly .
4-7 Trou blesh ooting Diagno sing with the LE Ds ➐ The por t may be improp erly confi gured, or the port may be in a “blocki ng” stat e by the normal ope rati on of the S pannin g Tr e e , L A C P , o r IGMP feature s .
4-8 Trou blesh ooting Diagno sing with the LEDs LED Patterns for PoE T roubleshootin g If the Po E Status LED is f lashing, that indicat es a pro blem w ith the d elivery of PoE power out one or more switch ports. Press the LED Mod e button to put the switch int o PoE mode and the port LED s will show wh ich ports are exper iencin g the p r oblem.
4-9 Trou blesh ooting Proa ctiv e Network ing Proactive Networking The ProCurve 2520G- PoE Switches ha ve built-in man agement capab ilities that proactiv ely help y ou man age your ne twork inclu din.
4-10 Trou blesh ooting Hardware Di agnostic Tests Hardware Diagnostic T ests T esti ng the Switch by Rese tting It If you believe the switch is n ot operat ing correctl y , you can reset the switch to test it s circuitry an d operat ing code.
4-11 Trou blesh ooting Hardwa re Dia gnost ic Test s T esting T wis ted-Pa ir Cabli ng Network ca bles th at fail to pro vide a link or provide an unrelia ble link between the switc h and th e conn ected network de vice may not be co mpat ible with the IEEE 802.
4-12 Trou blesh ooting Restor ing th e Factor y Defa ult C onfig urati on Restoring the Factory Default Configuration As part of your troublesh ooting pr ocess on the Sw itch, it may be come necessary t o return the sw itch configur ation to the fa ctory default sett ings.
4-13 Trou blesh ooting Down loadin g New Switc h Softwar e Downloading New Switch Software When prod u ct enhan cement s occur fo r the 2520G-Po E switches, new softwar e can be download ed to the switch through sever al methods, for product enhanc ements and new feature s.
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A-1 A Specifications Switch Specifications Physical Electric al 1 Require s a connection to an ex ternal power adapter m odule 5 070-608 2. 2 The switch automatic ally adjusts to any vo ltage between 10 0-127 or 200-2 40 volts and ei ther 50 or 60 Hz.
A-2 Specif ications Switch Sp ecifi cation s BTU Rat ing s Acoustics 2520G-8 -PoE (J9298A) No fans. 2520G-2 4-PoE (J9299A ) Gera eusc hemissi on Lp A=28.3 d B am fikt iven Arb eitsp latz na ch DIN 45635 T .19 Noise E m ission LpA=2 8.3 dB at vir tual work space ac cording to DI N 45635 T .
A-3 Specif ications Stan dards Standards T able A-1. T echnolo gy Standa rds and Safety C ompliance Laser safety infor mation T echnolo gy Compa tible wit h these IEE E standa rds EN/IEC standa rd complianc e SFP ("mini-GBIC") La sers 10-T 100-TX 1000-T IEEE 802.
A-4 Specif ications Cabli ng and T echno logy Info rmati on Spe cific ati ons Cabling and T echnology Information Specifications Note on 1000B ASE-T Cable Requir ements. The Categor y 5 networkin g cables that wo rk for 10 0BASE-TX connec tions should also work fo r 1000BA SE-T , as long as all four -pairs ar e connected.
A-5 Specif ications Cablin g and Technolo gy Informat ion Spec ifications T echnology Distance Specifications T able A- 3. T echnology Di stance Spe cifications T echnology Suppo rted cab le type Multimo d e fibe r moda l bandw idth Supporte d distan ces 100-FX multimode fiber any up to 2,000 meters 100-BX single mode fiber N/A 0.
A-6 Specif ications Mode Condi tio ning Patc h Co rd Mode Conditioning Patch Cord The following inf ormation a pplies to insta llations in wh ich multimode fiber - optic cab les ar e co nnec ted to a Gigabi t-LX port.
A-7 Specif ications Mode Conditioni ng Patch Cord Figure A-1. Example: Connect ing a Mode C onditio ning Pat ch Cor d for G i gabit-LX Make sure you purchase a patch co rd that has app ropriate c onnect ors on each end, and h as multimo de fiber s that m atch the chara cteristic s of the m ultimode fiber in your network.
A-8 Specif ications Twisted -Pa ir Cab le/ Conn ector Pin-O uts T w isted-Pair Cable/Conn ector Pin-Outs The Auto-MDIX F eature: In the de fault c onfigur ation, “ Auto”, t he fi xed 10 / 100/10 0.
A-9 Specif ications Twisted- Pair Cable /Connector Pi n-Outs ■ For 100 Mbps conn ections to the ports, us e 100-oh m Catego ry 5 UTP o r STP cabl e only , as supporte d by th e IEEE 80 2.3u T ype 100Base-T X standard. ■ For 100 0 Mbps connec tions, 100-oh m Catego ry 5e or be tter cab ling is recomm en ded.
A-10 Specif ications Twisted -Pa ir Cab le/ Conn ector Pin-O uts Straight-thr ough T wis ted-Pair Cable for 10 Mbps or 100 Mbps Network Connect ions Becaus e of the Auto-M DIX opera tion of the 10/1 0.
A-11 Specif ications Twisted- Pair Cable /Connector Pi n-Outs Crossover T w isted-Pair Cable for 10 Mbps or 100 Mbps Network Connect ion The Auto- MDIX operat ion of th e 10/100 ports on the switc h also a llows you to use crosso ver cables for all netwo rk conn ec tions, to PCs, ser vers or other end nodes, or to hubs or other sw itches.
A-12 Specif ications Twisted -Pa ir Cab le/ Conn ector Pin-O uts Straight-T hrough T wisted-Pair Cable for 1000 Mbps Network Connecti ons 1000Base -T connection s requi re that al l four pairs of wires be connect ed. Cable Diagram Note Pins 1 and 2 on conne ctor “A ” must be wire d as a twiste d pair to pin s 1 an d 2 on co nnector “B ”.
B-1 B Safe ty and EMC Regul atory Statemen ts Safety Information Grou nding These ar e safety cl ass I prod ucts and h ave protec tive earthing te rminals. There must be an unin terruptib le safety earth grou nd from the mai n power sourc e to the prod uct's inpu t wiri ng termina ls, power co rd, or supp lied powe r cord set.
B-2 Safet y and EM C Regu lator y St atem ents Inform atio ns conc ernan t la séc urit é Informations concernant la sécurité Cet appa r eil est un p roduit de classe I et possèd e une borne de mis e à la terre.
B-3 Safet y and EMC Re gulat ory Stat ements Hin weise zur Si cherheit Hinweise zur Sicherheit Dies ist e in Gerät der Sicherheit s klasse I un d verfügt üb er einen schützend e n Erdung- stermi nal.
B-4 Safet y and EM C Regu lator y St atem ents Cons ideraz ioni sul la s icure zza Considerazioni sulla sicurezz a Questo pro dotto è om ologa to nella cl asse d i sic urezz a I ed ha un t ermin ale p rote ttiv o di co llega mento a terra .
B-5 Safet y and EMC Re gulat ory Stat ements Consid eracione s sobre segu rida d Consideraciones sobre seguridad Este aparato se enm arca dent ro de la cla se I de se guridad y se encue ntra prot egido p or una bo rna de puesta a tie r ra.
B-6 Safet y and EM C Regu lator y St atem ents Safety In formation (J apan) Safety Information (Japan) Japan P ower Cord Warning.
B-7 Safet y and EMC Re gulat ory Stat ements Safety I nformation (Chi na) Safety Information (China).
B-8 Safet y and EM C Regu lator y St atem ents EMC Regu lat ory St ateme nts EMC Regulatory Statements U.S.A. FCC Class A This equipme nt has been tested and found t o comply w ith the limit s for a C lass A digit al de vice , pur suan t to Pa rt 15 of th e FCC R ules .
B-9 Safet y and EMC Re gulat ory Stat ements EMC Reg ulatory S tatements Kore a Ta i w a n.
B-10 Safet y and EM C Regu lator y St atem ents EMC Regu lat ory St ateme nts Europ ean Community.
B-11 Safet y and EMC Re gulat ory Stat ements EMC Reg ulatory S tatements.
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D-1 D Recycle Statements W aste Electrical and Electronic Equipment (WEEE) Statement s Dispo sal of Waste Equipme nt by U sers in P riv ate Hou sehol d in the Europe an Unio n This symbol on the p roduct or on i ts p ackag ing ind icat es th at thi s prod uct mu st no t be dis posed of wi th your othe r hou sehold was te.
D-2 Recy cle Sta tement s Waste El ect rical and El ectro nic Eq uipme nt (WEE E) Sta teme nts Laitte iden hä vittämine n kotita louksissa E u roopa n union in alueella Jos tuot teessa tai sen pakkauksessa on tämä merkki, tuo tetta ei saa h ävittä ä kotita lousjä tteiden mukana.
D-3 Recy cle Stateme nts Waste Elec tric al a nd E lectr oni c Eq uipment (W EEE) Sta temen ts Smalt imento dell e appa recchi at ure da par te di priv ati nel terri tori o dell' Unio ne Europ ea.
D-4 Recy cle Sta tement s Waste El ect rical and El ectro nic Eq uipme nt (WEE E) Sta teme nts Desca rte d e Lixo Elétrico n a Comu nida de Euro péia Este símb olo en contr ado no produt o ou na em bala gem indic a que o pro dut o não dev e ser desc artad o no li xo do mésti co com um.
Index – 1 Numerics 10/1 00Base -TX p orts location on switch … 1 -3 1000 Base-B X … A-5 fibe r-op tic ca ble spec ifi cat ions … A-5 1000 Base-L H … A-5 fibe r-op tic ca ble spec ifi cat ion.
2 – In dex conso le checki ng messa ges du ring troubles hooting … 4-10 disp lay ing the CL I promp t … 2- 21 featu res … 2-20 how to co nnect in-b and … 2-20 how to conne ct out-of-band ….
Inde x – 3 installa tion conne cting the swi tch to a power so urce … 2-15 hori zon tal s ur face mo unti ng … 2 -14 location consideration s … 2-5 networ k cable re quirem ents … 2-5 precau.
4 – In dex Power LED … 1-4 behavior during self test … 2-8 behavi ors … 1- 4 location on switch … 1 -3 power sourc e connectin g the switch to … 2-15 Power-ov er -Ethern et PoE pow er … .
Inde x – 5 tips for tr oubles hooting … 4-1 topol ogies effects of imprope r topology … 4-2 samples of … 2-22 troubles hooting … 4-1 basi c tip s … 4-1 check ing por t configur ation … 4.
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ProCurve 5 400zl Switches Insta llation and Gett ing Start d Guide T echno logy for bet ter busin ess outc om es T o learn m ore , v isi t ww w . hp .com/go/pr ocurv e/ © Cop yri ght 2009 He wlett-P ackar d Devel opment Compan y , L.P . The inf ormati on contain ed her ein is subj ect to c h ange w ithout notice .
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté HP (Hewlett-Packard) 2520G-POE c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du HP (Hewlett-Packard) 2520G-POE - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation HP (Hewlett-Packard) 2520G-POE, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le HP (Hewlett-Packard) 2520G-POE va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le HP (Hewlett-Packard) 2520G-POE, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du HP (Hewlett-Packard) 2520G-POE.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le HP (Hewlett-Packard) 2520G-POE. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei HP (Hewlett-Packard) 2520G-POE ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
