Manuale d’uso / di manutenzione del prodotto ME 3400 del fabbricante Cisco
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iii Cisco ME 3400 Ether net Access Switc h Hardware Inst allati on Guide OL-7677-04 CONTENTS Preface vi i Audienc e vii Pur pose vii Organi zation vi i Conv enti ons viii Relat ed P ubl icatio ns ix O.
Cont ent s iv Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Power S upply Feat ures 1-13 Cisco ME AC Swit ch Power Sup ply 1-14 Cisco ME DC Swit ch Power Sup ply 1-.
Content s v Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 CHAPTER 3 Troubles hootin g 3-1 Diagnos ing Probl ems 3-1 Check Swit ch POST Re sults 3-1 Check Swit ch LEDs.
Cont ent s vi Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Prepar ing th e Ground Wire C-2 Connect ing th e Ground ing Wire to Earth Gr ound C-5 Wiring the DC-Inpu.
vii Cisco ME 3400 Ether net Access Switc h Hardware Inst allati on Guide OL-7677-04 Preface Audience This guide is for the netw orking or computer technician responsible for installin g the Cisco Metro Ether net (ME) 3400 Series Ethernet Access switc h, also known as the switch.
viii Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Preface Conv ent io ns Appendix A, “ Connect or and Cab le Spe cifications,” descri bes the c onnec tors, ca bles , and ada pters th at can be us ed to co nnec t to the s witc h.
ix Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 Pre face Relate d Publ icati ons Related Publications Y ou can o rder pri nted copies of doc ument s with a DOC -xxxx xx= numb er . For mor e info rmation, see the “Obtainin g Documentatio n, Obtaining Support, and Security Guidelines” sect ion on page x .
x Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Preface Obtainin g Docume ntation , Obtaining Sup port, and Se curity G uidelines Obtaining Do cumentation, Obtainin.
CH A P T E R 1-1 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 1 Product Overview The Cisco Me tro Et hern et (M E) 3 400 Eth ernet Acce ss switc h—refe rred to as t.
1-2 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 1 P roduct Overv iew Front Pane l Descript ion Ta b l e 1 - 1 describes th e switch models.
1-3 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 1 Product Overv iew Front Panel Description Cisco ME 3 400-24TS AC a nd DC Switc hes Front Pa nel Figure 1-1 sh ows the Cisco ME 3400G-2 4TS A C swi tch front pane l.
1-4 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 1 P roduct Overv iew Front Pane l Descript ion Cisco ME 3400 -24FS S witch AC Swi tch Fro nt Pane l The Cisco ME 3400- 24FS A C switch has 2 4 100BASE -FX SFP module ports and 2 Gigabit Ethernet SFP module ports, as shown in Figu re 1- 3 .
1-5 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 1 Product Overv iew Front Panel Description Figur e 1 -5 Cisco ME 3400G-12CS-DC Ether net Ac cess S witc h F .
1-6 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 1 P roduct Overv iew Front Pane l Descript ion 10/100 P orts (Only th e Cisco ME -340 0-24TS Sw itches) Y o u can set the 10 /100 port s on the Cisco ME 3400-24T S switches to ope rate in any comb ination of half duplex, full dup lex, or 10 or 1 00 Mb/s .
1-7 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 1 Product Overv iew Front Panel Description SFP Modu le Ports The Cisc o ME sw itch sup port s Gigab it Et he.
1-8 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 1 P roduct Overv iew Front Pane l Descript ion Use only Cisco SFP modules o n your switc h. Each SFP module h as an intern al serial electrically eras able prog ramm abl e re ad-on ly m emor y (EE PROM) tha t is en code d wit h sec uri ty i nform atio n.
1-9 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 1 Product Overv iew Front Panel Description Fi gu r e 1 -8 Cisco ME 340 0-2 4TS and Cisco ME 3400-24 FS Sw it.
1-10 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 1 P roduct Overv iew Front Pane l Descript ion The Syste m LED shows whether th e system is rec eiving po wer and is func tioning properly . Ta b l e 1 - 2 lists the LED colo rs and t heir me anings.
1-11 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 1 Product Overv iew Front Panel Description Dual-Purpose Port LEDs The LED s on the Cisco ME 3400G-1 2CS switch dua l-purp ose ports, a s shown in Figure 1-12 , show which is connected: either an RJ-45 connector or an SFP module.
1-12 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 1 P roduct Overv iew Rear Panel Des cription Rear Panel Description The Cisco ME switches rear panels are.
1-13 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 1 Product Overv iew Powe r Suppl y Featur es Cisc o ME 3400 G-12 S Switc h Rear Pane l The rear panel on t he Cisco ME 3400 G-12C S switch has a ca ble lock, two exhaust fans, and a gro und conne ctor .
1-14 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 1 P roduct Overv iew Managem ent Opt ions Cisco ME A C Switch Powe r Supply The Cisco ME A C switch is po wered thro ugh an internal po wer supply .
CH A P T E R 2-1 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 2 Switch Instal lation This chapte r describes ho w to start your Cisco Metro Ether net (ME) switch and how to interpret the po wer -on self-test ( POST) that ensures prope r operation.
2-2 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 2 Switch Installation Prepar ing for Inst allat ion War ni n g Ethernet cables must be sh ielded when used in a central office environment.
2-3 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 2 Switch Inst allation Preparing for Installation War ni n g This unit might have more than one p ower supply connection. All connections must be removed to de-energize the unit.
2-4 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 2 Switch Installation Prepar ing for Inst allat ion Note Th e ground ing arch itec ture of this product is DC-iso lated (D C-I). Y o u can use the grou ndin g lug to attach a wrist strap for ESD protec tion dur ing servic ing.
2-5 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 2 Switch Inst allation Verifying Switch Operation • Before you connec t the swi tch to a po wer s ource, no.
2-6 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 2 Switch Installation Instal ling the Swi tch Rack- Mountin g T o install th e switch in a 19 -inch, 23 -i.
2-7 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 2 Switch Inst allation Install ing th e Switch Attaching Brackets to the Sw itch The b racket orie ntatio n and th e bra ckets that you u se depe nd on w hether y ou are attac hing t he brac kets for a 19-in ch, 23- inch , 24-inc h, or an ET SI rack.
2-8 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 2 Switch Installation Instal ling the Swi tch Attaching B rackets for 19-In ch Racks ( On all Except the Cisco ME 3400G-2CS Switch) Figure 2-3 sh ows how to atta ch br ackets for 19 -inch racks o n al l except the Cisc o ME 3400 G-2CS switch.
2-9 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 2 Switch Inst allation Install ing th e Switch Attaching B rackets f or 19-Inch Ra cks on t he Cisco ME 340 0.
2-10 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 2 Switch Installation Instal ling the Swi tch Attaching B rackets for 23-Inch Ra cks Figure 2-5 sh ows ho.
2-11 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 2 Switch Inst allation Install ing th e Switch Attaching B rackets for 24-Inch Ra cks Figure 2-6 sh ows how .
2-12 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 2 Switch Installation Instal ling the Swi tch Attaching B rackets fo r ETSI Racks Figure 2-7 sh ows ho w .
2-13 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 2 Switch Inst allation Install ing th e Switch Mounting the Switch in a Rack After the brac kets are attached to the switch , use the four supplied number -12 Phillips mach ine scre ws to securel y attach the brac kets to the rack, a s shown in Figure 2-8 .
2-14 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 2 Switch Installation Instal ling the Swi tch After the switch is mounted in the rack, you need to do these tasks to com plete the installa tion: • Po wer on the switch.
2-15 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 2 Switch Inst allation Install ing th e Switch Mounting the Switch on a Wall For th e best support of the swi tch and cables, ma ke sure the switc h is attached securel y to wall studs or to a firmly atta ched plywo od mounti ng backboa rd.
2-16 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 2 Switch Installation Installi ng and Rem oving SF P Mo dules Table- or Shelf-Mounting Foll ow these steps to install the switch on a table or shelf: Step 1 Pla ce the switc h on the t able or shel f near an A C po wer source.
2-17 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 2 Switch Inst allation Installing and Removing SFP Modules Installing SFP Modules Figure 2-12 shows an SFP module that has a bale-clasp latc h.
2-18 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 2 Switch Installation Installi ng and Rem oving SF P Mo dules Step 5 F or f iber-optic SFP modules, remo ve the dust plugs fr om the optical ports, and store them for later use.
2-19 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 2 Switch Inst allation Inserting and Removing the SFP Module Patch Cable Step 5 F or f ib er- optic SFP modules, insert a dust plug into the optical ports of the SFP module t o keep the optical i nterf aces clea n.
2-20 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 2 Switch Installation Connecti ng to the 10 /100 and 10 /100/ 1000 Ports Connecting to the 10/100 and 10/100/1000 Ports The switc h 10/1 00 and 1 0/100/ 1000 ports configur e themse lves to opera te at the spe ed of attac hed de vices.
2-21 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 2 Switch Inst allation Conne cting to SFP Modu les Step 3 Reconfigure an d reb oot th e conn ected device, if necessa ry . Step 4 Repeat Steps 1 through 3 to con nect eac h device.
2-22 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 2 Switch Installation Connecting t o SFP Modu les Step 4 Ob serv e the port statu s LED. The LED turns gree n when the switch and the target device ha ve an establishe d link.
2-23 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 2 Switch Inst allation Conne ctin g to D ual- Purp ose P ort s Step 3 Ob serv e the port statu s LED. The LED turns gree n when the switch and the target device ha ve an establishe d link.
2-24 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 2 Switch Installation Where to Go Nex t Where to Go Next If the default configuration is satisfac tory , t he swit ch doe s not n eed further c onfigurat ion.
CH A P T E R 3-1 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 3 Troubleshooting This chapt er descri bes t hese t opics f or trou bleshoot ing pr oblems: • Diagnosi.
3-2 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 3 Trouble shooti ng Diagno sing Proble ms Check Switch LEDs Y o u must have physica l access to the swit ch to do this. L ook at the port LE Ds for troub leshooti ng inform ation about the switch .
3-3 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 3 Troubleshoot ing Diagnosing Probl ems • V e rify th at you are using the co rrec t cable ty pe. See Appe ndix A, “Co nnec tor and Cab le Specif icatio ns,” for more info rmati on.
3-4 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 3 Trouble shooti ng How to Clea r the Switch IP A ddres s and Confi guration Check Switch Performance Revie w this se ction when you tro ubleshoo t swi tch perf ormanc e pro blems.
3-5 Cisco ME 3400 Ethernet Acc ess Switch Hardware I nstallation Gui de OL-7677-04 Chapter 3 Troubleshoot ing Locati ng the Swi tch Ser ial Nu mber Cautio n This pro cedur e clears th e IP addres s and all conf igura tion infor mation s tored on the switch .
3-6 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Installation Gu ide OL-7677-04 Chapter 3 Trouble shooti ng Locating t he Switch Seria l Number Figur e 3-3 Ser ial N umber Loca tion on the Cisc .
A- 1 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 APPENDIX A Connector and Cabl e Specifications This a ppendix descri bes the Ci sco ME swit ch port s and t he cabl.
A- 2 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendi x A Connector a nd Cabl e Speci fica tions Connecto r Specificati ons Figur e A -1 1 0/1 0 0 P ort Pinout.
A-3 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 Append ix A Connector and Cab le Specifi cations Connec tor Specif icati ons SFP Modu le Ports The Cisco M E switch uses SFP modules f or fiber -optic and copper up links.
A- 4 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendi x A Connector a nd Cabl e Speci fica tions Cable and A dapter Spec ifications Cable and Adapter Specifica.
A-5 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 Append ix A Connector and Cab le Specifi cations Cable and Adapt er Speci ficati ons Note When u sing sho rter dista.
A- 6 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendi x A Connector a nd Cabl e Speci fica tions Cable and A dapter Spec ifications Four Twisted-Pa ir Cable Pi.
A-7 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 Append ix A Connector and Cab le Specifi cations Cable and Adapt er Speci ficati ons Figur e A -8 Identifying a Cr osso v er Cable Adapter Pino uts Ta b l e A - 2 lists the pinouts for the consol e port, the RJ-45-to -DB-9 adapte r cable, an d the co nsole device.
A- 8 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendi x A Connector a nd Cabl e Speci fica tions Cable and A dapter Spec ifications T able A -3 Con sole P ort .
B-1 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 APPENDIX B Technical Specifications This appendix lists the switch tech nical specif ications: • Ta b l e B - 1 , .
B-2 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendi x B Technica l Speci ficat ions T able B-2 T ec hnical Specificati ons f or th e Cisco ME 3400-24FS A C Et.
B-3 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 Append ix B Technical Spec ification s Phy si cal Dime nsio ns W e ight Cisco ME 3400G -12CS-AC switches: 9.3 lb (4.2 kg) Cisco ME 3400G -12CS-DC switches: 9 lb (4.1 kg) Dime nsion s (H x D x W ) 1.
B-4 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendi x B Technica l Speci ficat ions.
C-1 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 APPENDIX C Connecting to DC Power T o connec t the Cisco ME s witch to a DC- inpu t po wer source, fo llo w the se step s: 1. Preparin g for Inst allation, pa ge C-1 2.
C-2 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendi x C Connect ing to DC P ower Groundi ng the Switch • 6-gauge co pper gr ound wire (insulat ed or nonins .
C-3 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 Append ix C Connecting to DC Power Groundi ng the Swi tch Figur e C-1 Stripp ing the Gr ound Wire Step 3 Slide the open end of the grou nd lug over the exposed area of the 6- gauge wi re.
C-4 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendi x C Connect ing to DC P ower Groundi ng the Switch Figur e C-3 T orqui ng Gr ound-Lug Scr ews 1 T orque to 15 l bf- in.
C-5 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 Append ix C Connecting to DC Power Groundi ng the Swi tch Connecting the Grounding Wire to Earth Ground Next you must conn ect the ot her end of th e groun ding wire to an a ppropr iate groun ding poin t at your site or to the te lco rack .
C-6 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendi x C Connect ing to DC P ower Wiring the D C-Input Power So urce Com ple te th ese ste ps: Step 1 Remov e all paint or oxi dation fr om the rac k at the po int of the gro unding connecti on.
C-7 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 Append ix C Connecting to DC Power Wiring the DC-In put P ower Source If you wan t to recei ve an alert if an exte rnal po wer supply fai ls, do not connect fee ds to one terminal block and fr om the re conne ct fee ds to the se cond ter minal block.
C-8 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendi x C Connect ing to DC P ower Wiring the D C-Input Power So urce War ni n g Only trained and qualified personnel should be allo wed to install or replace this equipment.
C-9 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 Append ix C Connecting to DC Power Wiring the DC-In put P ower Source The fro nt p anel of t he swit ch shows the po sitiv e and negativ e positions for bo th the A and B feed wires (See Fi gure C-9 , which sh ows a Cisco ME 340 0-24TS-DC switch .
C-10 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendi x C Connect ing to DC P ower Wiring the D C-Input Power So urce Figur e C-1 1 Inser ting Wir es in the T .
C-11 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 Append ix C Connecting to DC Power Wiring the DC-In put P ower Source Figur e C-13 Comple ted Wir ing of T e r minal Block Pl ug Step 8 Insert the termi nal bl ock pl ug in the term inal block header on the fron t pane l of the sw itch.
C-12 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendi x C Connect ing to DC P ower Wiring the D C-Input Power So urce.
D- 1 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 APPENDIX D Configuring the Switch with the CLI-Based Setup Program This ap pendi x provides a com mand-l ine in terface (C LI)-b as ed setup proce dure for a st andal one swi tch.
D- 2 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendix D Configuring the Switch with the CLI-Based Setup Program Enterin g the Initial Conf igurati on Informat.
D-3 Cisco ME 3400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7677-04 Append ix D Configuring t he Switch wi th the CLI-Ba sed Set up Progra m Entering the Initial Configuration Information Step 3 E nter an en able secr et passw ord, and press Retur n .
D- 4 Cisco M E 3400 Et hernet Acces s Switc h Hardwar e Inst allation Guide OL-7677-04 Appendix D Configuring the Switch with the CLI-Based Setup Program Enterin g the Initial Conf igurati on Informat ion ! interface FastEthernet1/0/2 interface FastEthernet1/0/3 ! .
IN-1 Cisco ME 3400 Ether net Access Switc h Hardware Inst allati on Guide OL-7677-04 INDEX Numerics 10/100/10 00 ports 1-4 to 1-6, 1-11, B-3 10/100 por ts cable l ength s 2-4 connec ting t o 2-20 conn.
Index IN-2 Cisco ME 3400 Ether net Access Switc h Har dware Installa tion Guide OL-7677-04 Cisco IOS comm and-line int erface 1-14 CiscoView 1-14 CLI accessin g throu gh co nsole p ort D-1 manageme nt.
Inde x IN-3 Cisco ME 3400 Ether net Access Switc h Hardware Inst allati on Guide OL-7677-04 G ground conduc tor w arning 2-2, C-2 ground connec tion warning 2-3, C-2 grou nding a rchi tectur e re quir.
Index IN-4 Cisco ME 3400 Ether net Access Switc h Har dware Installa tion Guide OL-7677-04 P pinouts 10/100 por ts B-3 adap ter s B-6 console port B-8 crossover c ables four twiste d-pair , 1000BASE- .
Inde x IN-5 Cisco ME 3400 Ether net Access Switc h Hardware Inst allati on Guide OL-7677-04 SFP modules (continued) DWDM 1-7 installati on 2-17 to 2-18 shelf-mou nting 2-16 short-ci rcuit pr otection .
Index IN-6 Cisco ME 3400 Ether net Access Switc h Har dware Installa tion Guide OL-7677-04 warnings (c ontinue d) stacking chassis 2-1 trained and qualifie d personne l 2-3 two- pole d discon nect de .
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 Cisco Cisco ME 3400 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 Cisco Cisco ME 3400 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco Cisco ME 3400 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco Cisco ME 3400 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco Cisco ME 3400, 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 Cisco Cisco ME 3400.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cisco Cisco ME 3400. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco Cisco ME 3400 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.
