Enterasys V2H124-24P инструкция обслуживания

P/N 903 39 7 6-01 Matrix V -Series V2H124 - 24P F ast Ethern et Swit ch Har dwar e In sta lla tion Guid e[...]

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i Notice ENTERASYS NETWORKS reserv es the right t o make change s in sp ecif icati ons and other infor mation contain ed in this document and its web site without prio r notice . The reader should in all c ases consu lt ENTE RASY S N ETWOR KS to de term in e wheth er any su ch chan ge s have been ma de . The ha rd ware , f ir mwa re , or so ftw are[...]

Notice ii Regulatory Compliance Information Federal Communications Commission (FCC) Notice This de v ice compl ies with Pa rt 1 5 of the FCC ru les. Operation is subject t o the f ollo wing two conditio ns: (1) this de vice may not cause harmfu l interference, and (2) this de vice must accept any inter fere nce rece i ved , inc ludi ng int erf eren[...]

Notice iii VCCI Notice This is a clas s A prod uc t base d on th e sta ndard of the Vol unta ry C ontr ol Cou ncil fo r I nterfe renc e by Info rmat ion Techno logy Equ ipmen t (V CCI). If this eq uipm ent is used i n a dom estic envi ronm ent , rad io di sturba nce m ay a rise. Wh en suc h tr oubl e oc cu rs, t he u se r ma y be r equi red to t ak[...]

Notice iv Safety Compliance Warnin g: Fiber Opt ic Port Safe ty When using a f iber o ptic media e xpansion module , ne ver l ook at the transmit laser whil e it i s po w ered on. Also, ne ver lo ok d irect ly at t he fib e r TX port an d fiber cab le end s wh en they ar e powered on . Avertissme nt: Ports pour fibres optique s - sécurit é sur le[...]

Notice v Please read the following s afety inform ation caref u lly before installing the switch: W A RNING: I nstallati on and removal of the uni t must be carri ed out by qua lif ied per sonne l only . • The un it must b e conne cted to a n earth ed (groun d ed) outl e t to comply with intern ational safe ty stan da rds. • Do not connect the [...]

Notice vi Veuillez lire à fond l'in formation de la sécurité suivante ava nt d'install er le Switch: A V ER TISSE MENT : L ’in stallat ion et la dépose de ce group e doivent être confiés à un per sonn el qualifié. • Ne bra nchez pas vot re ap parei l sur une pri se se cteur (a limen tation é lec triqu e) lorsqu'il n&apos[...]

Notice vii Bitte un bedingt vor dem Ei nbauen des Switches die folgenden Sich erheitsan- weisungen durch lesen : W A RNUNG: Die Installati on und de r Ausbau des Ge räts da rf nur durch Fachperson al erfolg en. • D as Ge rät sollt e nicht an eine unge erdet e Wechse lstroms teckdo se anges chlo sse n werden . • Das Gerät mu ß an eine ge erd[...]

Notice viii Declaration of Confor mity App licat ion of Cou ncil D ire ctive(s): 89/336 /EEC 73/23/ EEC Manu factur er’s Nam e: Ente rasys Network s, Inc. Ma nufact urer’ s A ddr ess: 50 M inu tem an Ro ad And over, MA 018 10 USA Euro pean Re pres en tative Addr ess: ENTE RASYS NETW ORKS, Ltd. Nexus Hous e, New bur y Busine ss P ark London Road[...]

Notice ix Enterasy s Networks, Inc. Firmware License Aggreement BEFORE OPEN ING OR UTILIZING THE ENCLOSED PR O DUCT , CAREFULL Y READ TH IS LICENSE A GRE EMENT . Th is docu ment is an agree ment (“ Agr eemen t”) bet ween t he end user (“Y ou”) and Entera sys Netw orks, I n c. on be half o f itse lf a nd its Af f ilia tes ( as her einafter d[...]

Notice x (ii) Inco rp orate th e Prog ra m, in whol e or in part, in any ot her pr oduct or crea te der iv at iv e work s base d on th e Progr am , in who le or in par t. (iii) Publ ish, di scl ose, copy , r epro duce or tran sm it the Pr ogra m, in whol e or in part . (i v) Assign, sell, l icense, s ublicense, re n t, le ase, e n cumber b y way of[...]

Notice xi 6. DISCLAIMER OF WARRANT Y. EXCEPT FOR THOSE W ARRANTIES EXPRESSLY PROVID ED TO YOU IN WRITING BY ENTERASYS, ENTERASY S DISCLAIMS ALL WA RRANTIES, EITHER EXP RESS OR IMPLIED, INCLUDIN G BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTAB ILITY, SATISFACTORY QUALITY, FITNESS FOR A PARTICULAR PURP OSE, TITLE AND NON- INFRINGEMEN T WITH RE S[...]

Notice xii 10. ENFORCEM ENT. You a cknowl edge and a gree that an y bre ach of S ecti ons 2, 4 , or 9 o f thi s A gre ement by You may cause Enterasy s irrep arable damage for whi ch rec overy of mone y damages would be inadequate, and that Entera sys may be entitle d to seek timely injuncti v e relief to prot ect En tera sys’ righ ts un der th i[...]

xiii Conten ts Chapter 1: Intro duction 1-1 Over vie w 1-1 Switch Arch itecture 1-1 Power-over-Et hernet Capabil ity 1-2 Netw ork Managem ent Options 1-2 Descripti on of Hardware 1-3 10/100BASE-T Ports 1-3 1000 BASE-T/SFP Ports 1-3 Port an d System Stat us LEDs 1-3 Stac k Ma ste r But to n 1-6 Mode Po E/L i nk Bu tt on 1-6 Opti onal S tacking T ran[...]

xiv Contents Instal ling a Stacking Tran sceive r 3-6 Con ne cti ng S wi tch es in a S tac k 3 -7 Con nec tin g t o a P ow er So urc e 3 -8 Conne cting to t he Console Port 3-8 Wiring Map for Serial Cable 3-9 Chapter 4: Ma king Network C onne ctions 4-1 Co nnect ing Netwo rk Devi ces 4-1 Tw isted-P air De vice s 4-1 Power-ove r-Ethernet Con nection[...]

Contents xv Glos sary Index[...]

xvi Tables Tabl e 1-1. Port Sta tus LEDs 1-4 Tabl e 1-2. System Status LEDs 1-5 Tabl e 3-1. Seria l Cable Wiring 3-9 Tabl e 4-1. Maxim um 10 00BASE-T Gig abit Ethernet Cab le Length 4-5 Tabl e 4-2. Maxim um 10 00BASE-SX Giga bit Ethernet Cab le Lengths 4-5 Tabl e 4-3. Maxim um 1000 BASE-LX Gigabit Eth ernet Ca ble Length 4-5 Tabl e 4-4. Maxim um 10[...]

xvii Figure s Figu re 1-1. Front an d Rear Panel s 1-1 Fig ure 1-2 . P or t LE Ds 1-3 Figu re 1-3. System LEDs 1-4 Figu re 1-4. Stack Ma ster Button 1-6 Figu re 1-5. Mode Selection 1-6 Figu re 1-6. Optio nal Stacking Transcei ver 1-7 Figu re 1-7. Power Supp ly Recept acle 1-7 Figu re 2-1. Collaps ed Backbone 2-2 Figu re 2-2. Network Ag gregation Pl[...]

xviii Figures[...]

1-1 Chapt er 1: In tr oduc tion Overview The Ma trix V -Se ries V2H12 4-24P switch contains 24 10BASE -T/100B ASE-TX RJ-45 por t s and t wo c ombin ation po rts—10/100 /1000 BAS E-T p orts that ope rate i n com bination with Sma ll Form Fac tor Plug gable (S FP) trans ceiv er slots. An opti onal SFP stack ing transc eiver is availa ble for c onne[...]

Introducti on 1-2 1 This sw itch incl udes two Giga bit com bina tion ports wi th RJ-45 co nn ectors a nd assoc iated SF P slots. The optiona l SFP stacking t ransc eiver en able s up to eigh t units to be conn ecte d toget her thr ough a 1 G bps stack backp lane . The swi tch stack can be m anag ed fro m a mast er unit using a si ngle IP ad dress [...]

Descript ion of Har dware 1-3 1 Description of H ardware 10/100BASE-T Ports The PoE sw itch bas e unit contains 24 10B ASE-T/10 0BAS E-TX RJ-45 port s. All por ts sup port automa tic M DI /MDI- X oper atio n, so yo u can use st raig ht-th rough cables f or all ne twork con ne ctions to PCs or servers, or to other switc hes or hubs . (See "1 0/[...]

Introducti on 1-4 1 Th e port st at us L EDs hav e two dis play m ode s: Lin k and PoE. T he Link mode displa ys the link status and ne two rk activi ty on e ach por t. The PoE mod e disp lays the PoE pow er status on each por t. Use the M ode Link /PoE b utton (s ee "M ode PoE/ Link B utton" on page 1-6) on th e front panel to togg le be[...]

Descript ion of Har dware 1-5 1 Table 1- 2. System Sta tus LEDs LED Condi tion Sta tus PWR On Green Unit ’s internal power sup ply is o peratin g n ormall y . Off Unit has no po wer co nnecte d. Diag On Gr een System diagn osti c test s uccess full y comp lete d . Fl ashin g Gr een Syst em di agno stic test i s in pr ogres s. On Am ber Sys tem di[...]

Introducti on 1-6 1 Stack Master Button The unit also inclu des a S tac k Mas ter but ton that is show n in the follo wing di agra m. Figu re 1-4. Stack Ma ster Button The S tack M aster bu tton ena bles one switch in th e stack to be se lect ed as the mast er . Mode PoE/Link Button The Mo de PoE/ Link but ton is loca ted on the fron t p anel. Figu[...]

Descript ion of Har dware 1-7 1 Optional St acking Transceiver Figure 1-6. Op tion al S tacking Tran scei ver The s tacking transc eive r pr ovides two 1 Gbps p orts v ia U SB T ype -A conn ecto rs. The upp er por t is a tran smit p ort and the l owe r one is a rec eive port. Th e transc eiver allows up to eight swit ches to be l inke d togeth er u[...]

Introducti on 1-8 1 Features and B enefits Connecti vity • 24 dual -spe ed ports f or easy Fas t Ethern et inte gration an d for protect ion of you r invest men t in lega cy LAN equip men t • All 10/1 00 RJ-4 5 ports su ppo rt IEEE 80 2.3af stan dard Po wer -over- Etherne t • Two Gigabit co mbination por ts—us e either 10/100/10 00B ASE-T R[...]

2-1 Chapte r 2: Network Pla nning Introduction to Sw itching A network switch allows simult a neous tr a nsmission of multiple p ackets via non-c ross bar swit chin g. This m eans t hat it can part ition a net wo rk more efficiently than b ridges or router s. The sw itch ha s, there fore, been rec ogni zed as on e of the mos t important bu ildin g [...]

Network Pl anning 2-2 2 Application Exa mples The M atrix V -Se ries V2H124- 24P switch i s not on ly designe d to seg ment yo ur netwo rk, but also to pr ovide a w ide rang e of opti ons in setting up n etwor k conne ctions . So me typi cal appl ica tions are de sc ribed belo w . Collapsed Backbo ne The Matrix V -Series V2H124-24P swit c h i s an [...]

Application Examp les 2-3 2 Network Aggregat ion Plan With 24 parallel br idging p orts (i.e., 24 distinct collision do mai ns), th e Matrix V - Series P o E swit ch can co llapse a com plex ne tw ork dow n into a si ngle efficient bridge d node, increas ing ov erall bandwi dth and thro ughpu t. When up to eight switch un its are stacked t oget her[...]

Network Pl anning 2-4 2 Remote Connect ions with Fiber Cable Fiber op tic tec hnology allow s for lon ger cab ling than any oth er me dia type . Using a 1000B ASE-SX multim ode fiber (MMF ) SFP transce iver , you can run a link up to 550 m. A 1000B ASE-LX single-mod e fiber (SMF) link can run up to 5 km. A 1000B ASE-LH sin gle-mode fiber (SM F) lin[...]

Application Examp les 2-5 2 Making VLAN Connections This sw itch su pports VLANs w hic h can be used to organize any gro up of ne twork nod es int o sep arat e broa dcast do mains . VLAN s confi ne br oadca st tr af fic t o the ori gina ting group , and c an el imin ate br oadc ast stor ms in larg e ne twork s. T hi s prov ides a mo re s ecu re a n[...]

Network Pl anning 2-6 2 Application Note s 1. Fu ll-du plex opera tion onl y appl ie s to po in t- to-p oin t ac ces s (such as when a switch is attached to a wo rkstation, se rver o r an othe r sw itch ). When the sw itch is conne cted t o a hub, both devi ces m ust op erate i n half-dup lex m ode. 2. Avoid using flow co ntrol on a por t con necte[...]

3-1 Chapte r 3: Insta lling the Switch Selecting a Sit e Matrix V -Series V2 H124- 24P u nits can be mo unted i n a standard 19 -inch equi pmen t rack or on a flat surf ace. Be sure to fo llow th e guidel ines bel ow whe n choos ing a location . • The s ite shou ld: - be at the center of all the devi ces yo u wan t to link an d near a p ower out [...]

Installing th e Switch 3-2 3 Figure 3- 1. RJ-45 Con nec tions Equipment Chec klist Afte r un pac ki ng th is sw itch , ch ec k t h e c on te n ts to b e th at s ur e you h a ve r ec ei ve d al l t he c ompone nts. Then, bef ore be ginn in g t he inst all ation , be s ure t hat you h ave al l other ne cessa ry ins tallation equ ipme nt. Package Cont[...]

Mounting 3-3 3 Optional Rac k-Mounting Equipment If y ou plan to rack- m ount the switch, b e sure to have the follo wing equipment availa ble: • Four moun ting s crew s for each d evic e you p lan to inst all in a rack —the se ar e not includ ed • A screw drive r (Phil lips or flat head, depen ding on the type of screw s used ) Mounting This[...]

Installing th e Switch 3-4 3 2. Mou nt the dev ice in th e rack , using four rack- mou nting sc rews ( not prov ided) . Figure 3- 3. Installing t he Swit ch in a Rack 3. If installing a s ingle swi tch onl y , turn to “ Conn ecting to a Power Source” at the end of thi s c hapt er . 4. If inst alling multiple s witches, mo unt them in the ra c k[...]

Install ing an SFP Transceiver 3-5 3 2. Set the de vice on a flat surfac e ne ar an AC po wer sou rce, making sure ther e are at le ast two in ches o f space on all sides fo r proper air flow . 3. If installing a s ingle swi tch only , go to “Conne cting t o a Power Source ” at the end of thi s c hapt er . 4. If installing m ultipl e switche s,[...]

Installing th e Switch 3-6 3 Stacking Switc hes The swi tch supp orts stacking up to eight units through an option al SFP stacki ng transc eive r . The stacking t ransc eive r must be installed in th e port 25 s lot. Eac h stacking transce iver has two co nnect ors, Tx and Rx , for attachin g stacki ng cabl es. Figure 3 -7 show s how stacking ca bl[...]

Stacking Switches 3-7 3 Connecting Switches in a Stack Figure 3-7. Connecting Swit ches in a Stack Note: The stacking transceive r must only be ins talled in the port 25 SF P slot. T o con nect up to ei ght sw it ches i n a st ac k, perf orm the foll owin g step s: 1. Install SFP stac king tr ansce ivers i nto the po rt 25 slo t for eac h switch i [...]

Installing th e Switch 3-8 3 Connecting to a Power Source T o conn ect a sw itch to a powe r source: 1. Insert the pow er cable plug dir ectly int o the AC r eceptacle located at the back of the swi tch. Fig ure 3- 8. Power Rece ptacle 2. Plug the othe r end of the cab le into a gr ound ed, 3-pi n sock et, AC po wer sourc e. Note: For international[...]

Connecting to the Conso le Port 3-9 3 Wiring Map for Serial Cabl e Tab le 3- 1. S eri al Cab le Wiri ng Th e seri al po rt’ s con figu ratio n requ ireme nt s ar e as f oll ows : • Defaul t Baud ra te—9 ,600 bps • Charac ter Size —8 Cha ract ers • P a r i t y — N o n e • Stop bit—One • Data bits—8 Swi tch’s 9-P in Seria l Po[...]

Installing th e Switch 3-10 3[...]

4-1 Chapt er 4: Mak ing Ne twor k Conne ctions Connecting Netw ork Devices The Ma tix V -Ser ies V2H 124-2 4P swi tch is designed to be con nect ed to 10 or 100 M bps netwo rk cards in PC s and serve rs, as w ell as to ot her swit ches an d hubs. It may also be connec ted to re mote dev ices using the opti onal 100 0BAS E-SFP transc eive rs . If 80[...]

Making Netw ork Connec tions 4-2 4 Cabling Guideli nes The RJ-4 5 ports on the swit ch suppo rt autom atic MDI/MD I-X pinou t confi guration, so you can use stand ard stra ight-th rough twisted -pair cabl es to connec t to any ot her netwo rk dev ice (PC s, serve rs, s witches , router s, or hub s). See Appe nd ix B for furthe r inform ation on cab[...]

T wisted-Pa ir Devices 4-3 4 Network Wiri ng Connections T oda y , the punch -down block is an inte gral p art of man y ne wer e quipm ent rac ks. I t is actual ly part of the patch panel. Instr uction s for mak ing co nn ections in the wiri ng closet with this t ype of equipm ent follo w . 1. Attach one end of a patch cabl e to an avail able por t[...]

Making Netw ork Connec tions 4-4 4 Fiber Optic Devices An optional slide-in 10 00BASE- SX, 1000B ASE-LX, or 100 0BA SE-LH SFP transc eive r ma y be u sed f or ba ckbon e o r rem ote c onnec tions, or for conn ec ting to a high-s peed se rver . Each sing le- mo de fiber optic po rt requir es 9/1 25 micr on singl e-mode fib er opt ic cablin g w ith a[...]

Connectivity Ru les 4-5 4 Connectivity Rul es When addin g hubs ( repea ters) to yo ur net work, plea se follow the co nnect ivity ru les listed i n th e ma nuals f or the se prod ucts. How ever , no te t hat becau se sw itche s bre ak up the path for conn ected dev ices into s eparate collision dom ains, you shou ld not includ e the sw itch or c o[...]

Making Netw ork Connec tions 4-6 4 Table 4 -4. Maxim um 10 00B ASE-LH Gi gabit Eth ernet C able Lengt h 100 Mbps Fast Ethernet Collision Domain Table 4-5. Maximu m Fast Et hernet Cable Lengths 10 Mbps Ethernet Coll ision Domain Table 4- 6. Maxi mum Et hernet C able Lengt h Cable Labeling and Connection Records When plann ing a netw ork in stallatio[...]

A-1 Appendix A: Troub leshoo ting Diagnosing Swi tch Indicators Table A-1. Troubles hooting Chart Note: For additional tr oubleshooting information, go t o the Enterasys G lobal Knowledgebase w eb site: http: //k nowledgebase.enterasys.com/ esupport/ Power and Cool ing Problems If the pow er indi cato r does n ot turn on when th e powe r cord is pl[...]

T r oubleshooting A-2 A Installation V er ify th at all syst em co mpo nents hav e been pr oper ly installed. If one or more com ponents a ppe ar to b e m alfunc tioni ng ( such as t he p owe r co rd o r n etwor k cablin g), test the m in an alter nate en vironm ent whe re you are sur e that all the other com ponents a re f unct ioning pro perly . [...]

B-1 Appendix B: Cab les Twisted-Pair Ca ble and Pin Assi gnments Cauti on: DO NO T plug a n ormal phone jack connect or into an y RJ-45 port. Use on ly twisted-pair cables with RJ-45 connecto rs that conform with FCC standards. For 10/100B ASE-TX co nnection s, the twiste d-pair cable must h ave two pairs of wires. For 1000 BASE-T connec tions t he[...]

Cables B-2 B Table B-1. 10/100BASE-TX M DI and MDI-X Port Pinouts Straight- Through Wiring If the twi sted-pair ca ble is to join two po rts and onl y one of the ports has an i nternal cros sover (MDI-X ), the tw o pairs of wires must be straigh t-thr ough. (Whe n auto -nego tiation is enab led for a ny RJ-4 5 port on t his swit ch, yo u can use ei[...]

T wisted-Pair Cab le and Pi n Assignments B-3 B Fi gure B-3. Cr osso ver Wi ring 1000BASE-T Pin Ass ignments All 1000BASE -T ports support automatic MD I/MDI-X oper ation, so you ca n use straight -thro ugh cab les for all netwo rk con nectio ns to PCs or serv ers, or to ot her switch es or hub s. The table below sho ws the 1000 BASE -T MDI and MD [...]

Cables B-4 B Cable T esting for Exis ting Catego ry 5 Cable Installed Ca tegory 5 c ab ling m ust pass tests f or Attenua tion, Near -End Cr osstalk (NEXT) , and Far-End Cross talk (FEX T). Th is cable test ing inform ation is sp ecified in the AN SI/TI A/EI A-TSB- 67 s tandard. Cabl es mu st also pass test par ame ters f or Return Lo ss and Equa l[...]

C-1 Appendix C: Specif ication s Physical Chara cteristics Port s 24 1 0/100BAS E-T X, wit h au to-nego tiation 2 1000B ASE-T/SFP combin ation ports Netw ork Inte rfac e Ports 1-24 : RJ-45 con nec tor , auto M DI/X 10BASE -T : RJ-45 (100-ohm , UTP cable; Categor ies 3 or better ) 100BAS E-TX: RJ- 45 ( 100-o hm, U TP cable; Cat egory 5 or b etter) P[...]

Specifications C-2 C Power-over -Ethernet Inpu t voltage: - 48 V DC Max imum output po wer per port: 15 .4 W Output V o lt age: 44 - 5 7 V DC Max imum outpu t curren t per port: 350 mA DC Power Supply Inter nal, auto- rang ing tran sform er: 100 t o 240 V AC, 47 to 63 H z Po wer C onsu mpt ion 48 Watts (Swi tch ing sy stem ) 370 Watts ( Pow er-ove [...]

Standar ds C-3 C Standards IEEE 802. 3 Etherne t IEEE 80 2.3u Fast Etherne t IEEE 80 2.3af Pow er-over -Ether net IEEE 80 2.3p prior ity tags IEEE 802. 3ac VLAN tagging IEEE 802. 1D Bridgi ng IEEE 80 2.1x Port ac cess co ntrol IEEE 80 2.3x full-d uple x flow contr ol ISO/IEC 8802- 3 Carrier s ense multiple acce ss with co llision dete ction (CSMA/C[...]

Specifications C-4 C[...]

Gl ossa ry-1 Glossa ry 10BASE-T IEEE 80 2.3 speci ficati on for 10 M bps Ethern et over tw o pairs of Cat egor y 3, 4, or 5 UTP cabl e. 100BASE-T X IEEE 80 2.3u spec ification for 100 M bps Etherne t over two pairs of Cat egory 5 U TP cable. 1000 BASE-LH Long ha ul Gig abit Ether net ov er two stran ds of 9/125 m icron c ore fibe r cable. 1000 BASE[...]

Glossary Glossa ry-2 Ethernet A netw ork com mu nication sys tem deve lope d an d standardize d by DE C, Intel , and Xerox , using b aseban d tra nsmiss ion, C SMA/ CD ac cess, logica l bus top ology , and coaxial cable. The succ essor IEEE 80 2.3 standar d prov ides for integr ation int o the OSI m ode l an d ex tend s the ph ysica l lay er a nd m[...]

Gl ossa ry-3 Glossary LAN Segment Separate LA N or co llision dom ain . LED Light emi ttin g diode use d for monito ring a dev ice or net work condi tion. Local Area Networ k (LAN) A gr oup o f int erco nnect ed comp uter a nd supp ort d evice s. Modal Ban dwidth Bandwid th for multimo de fiber is referred to as mo dal bandwid th because it v aries[...]

Glossary Glossa ry-4 Vi rt ual LA N (VLAN) A Virtual LAN is a collection of netwo rk nod es tha t share t he sam e collision doma in regardl ess of t heir phys ical loca tion or connec tion poi nt in the net work . A VLAN serv es as a logi cal wo rkgr oup with no phy sical ba rriers, allowin g user s to sha re inform ation an d resou rces as thou g[...]

Index-1 Numerics 10 Mb ps conn ectivi ty rule s 4-6 100 M bps con nect ivity rules 4-6 1000 M bps co nnect ivity ru les 4- 5 100BAS E cable lengths 4-6 100BAS E-TX por ts 1-3 10BASE c able lengths 4 -6 10BASE-T po rts 1 -3 A adhes ive feet , attachi ng 3- 4 air flow re quirem ent s 3-1 applic ations cent ral wirin g closet 2-3 collap sed bac kb one[...]

Index Index-2 L lase r safe ty 4- 4 LED i ndicators Diag 1-5 Power 1 -5 proble ms A- 1 Stack 1-5 location requi remen ts 3- 1 M man agem ent agent 1- 2 featur es 1- 8, C -2 out-of -ban d 1-2 SNMP 1-2 we b-ba sed 1- 2 Maximu m F ast Ethe rnet C able Distance 4-6 moun ting the s witc h in a ra ck 3 -3 on a desk top or she lf 3-4 mult imode fi ber opt[...]

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ES3526-PoE- 6 0 P/N 1 50200 039 300A E042 004-R 01 E07200 0-R04[...]