Cisco SystemsメーカーME 2400の使用説明書/サービス説明書
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iii Cisco ME 2400 Ether net Access Switc h Hardware Inst allati on Guide OL-7678-01 CONTENTS Preface vi i Audienc e vii Pur pose vii Organi zation vi i Conv enti ons viii Relat ed P ubl icatio ns xiii Obtain ing Docu mentati on xiv Cisco.
Cont ent s iv Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Rear P anel Descri ption 1-6 Powe r Con necto rs 1-7 Cisco ME AC Swit ch Power Sup ply 1-7 Cisco ME DC Swi.
Content s v Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 APPENDI X A Technical Specificat ions A-1 APPENDI X B Connector and Cable Specif ications B-1 Connect or S p.
Cont ent s vi Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01.
vii Cisco ME 2400 Ether net Access Switc h Hardware Inst allati on Guide OL-7678-01 Preface Audience This guide is for the netw orking or computer technician responsib le for installing the Cisco Metr o Ether net (ME) 2400 Series Eth erne t Access switch , hereaf ter known as the switch.
viii Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Preface Conv ent ions Appendix B, “ Connec tor an d Cable Spe cifications,” describe s the co nnecto rs, cable s, and adapters that can be us ed to co nnec t to the s witc h.
ix Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Pre face Convent ions Va ro it us TÄRKEITÄ TURV A LLISUUSOHJEIT A Tämä varoitusmerkki merkitsee vaaraa.
x Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Preface Conv ent ions Avi s o INSTR UÇÕES IM PORT ANTES DE SEG URAN ÇA Este símbolo de aviso significa perigo. V ocê está em uma situação que poderá ser causadora de lesões corporais.
xi Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Pre face Convent ions Avi s o INSTR UÇÕES IM PORT ANTES DE SEG URAN ÇA Este símbolo de aviso signi fica perigo. Você se encontra em uma situação em que há risco de lesões corporais.
xii Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Preface Conv ent ions.
xiii Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Pre face Relate d Publ icati ons Related Publications Y ou can orde r prin ted copies of docum ent s with a DOC-x xxxxx= numb er . For more info rmation, see t he “Obtai ning D ocumen tation” sect ion on page xiv .
xiv Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Preface Obtain ing Do cument ation • Cisco ME 24 00 E thern et Acces s Sw itch Comm and R efer enc e (order numb er DOC-78-78 -17061 = ).
xv Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Pre face Documen tation Fee dback The Product Documentat ion D VD is ava ilable as a single unit or as a subsc ription.
xvi Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Preface Obtain ing Techni cal Ass istance Reporting Se curity Problems in Cisco P roducts Cisco is committ ed to deli veri ng secure products. W e test our products internally be fore we release them , and we striv e to correct a ll vulnerabilities quickly .
xvii Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Pre face Obtaining Technical Assistance Note Us e the Cisco Product Ident ification (CPI) to ol to locate your product ser ial numb er b efore su bmitt ing a web or phon e request for service.
xviii Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Preface Obtainin g Addi tional Pub lications and Informat ion Obtaining Ad ditional Publication s and Informatio n Informa tion ab out Cisco pro ducts, t echnologi es, and ne twork soluti ons is av ailable from various online and printe d source s.
C HAPTER 1-1 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 1 Product Overview The Cisco M etro Ethern et (M E) 2400 Ether net A ccess swi tch—al so ref erred to as th.
1-2 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 1 P roduct Overv iew Front Pane l Descript ion – 100BASE-LX – 1000BASE-BX – 1000BASE-LX/LH – 1000BAS.
1-3 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 1 Product Overv iew Front Panel Description Front Panel D escription s The 1 0/100 Fast Ethe rnet po rts on the swit ch are gr ouped in pair s. The first mem ber o f the pair (port 1) is above the se cond me mber ( port 2) on th e left .
1-4 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 1 P roduct Overv iew Front Pane l Descript ion When set f or autone g otiation , the port senses the sp eed and duplex settings o f the attac hed de vice and adve rtises its o wn capabiliti es.
1-5 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 1 Product Overv iew Front Panel Description SFP Module Patch Cable The Cisco ME switch supports the SFP module patch cable, a 1/2 meter , copper , passi ve cable wit h SFP modul e connec tors a t each end ( see Figure 1-3 ).
1-6 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 1 P roduct Overv iew Rear Panel Des cription The Syste m LED shows whether th e system is rec eiving po wer and is func tioning properly . Ta b l e 1 - 1 lists the LED colors and the ir meanin gs.
1-7 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 1 Product Overv iew Manageme nt Options Power Con nectors These secti ons descr ibe t he power su pply fe ature s for the Cisc o ME A C an d DC sw itches .
1-8 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 1 P roduct Overv iew Managem ent Opt ions • SNMP network mana gement Y o u can mana ge switches fr om a SNMP-c ompatible managem ent station that is runni ng platfor ms such as HP OpenV ie w or Su nNet M anager .
C HAPTER 2-1 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 2 Switch Instal lation This chapte r describes ho w to start your Cisco Metro Ether net (ME) switch and ho w to interpret the po wer- on self-test (POST) that ensures proper opera tion.
2-2 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Prepar ing for Inst allat ion War ni n g Do not stack the chassis on any other equipment. If t he chassis falls, it can cause severe bodily injury and equipment da mage.
2-3 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 2 Switch Inst allation Preparing for Installation War ni n g This unit is intended for installat ion in restri cted access area s. A restricted access area can be accessed only through the use of a sp ecial tool , lock and key , or other means of security .
2-4 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Prepar ing for Inst allat ion War ni n g Installation of t he equipment must comp ly with local and nati onal electrical codes.
2-5 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 2 Switch Inst allation Preparing for Installation Note When u sing sho rter dista nces of singl e-mode fiber -optic ca ble, you might nee d to insert a n inline opt ical attenua tor in the l ink to avoid o verloading the rece i ver .
2-6 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Prepar ing for Inst allat ion • Airflow around the switch an d through the vent s is unrestric ted. • T emperatur e aroun d the unit doe s not exc eed 113 °F (50°C).
2-7 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 2 Switch Inst allation Verifying Switch Operation Verifying Switch Operatio n Before inst alling t he switch in a rack, on a wall, or on a tabl e or shelf, you should power the switch and verif y that the switch passes POST .
2-8 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Instal ling the Swi tch . Note Installing the switch in a 24-inch rack requires an optional brack et kit that is not included wit h the switch.
2-9 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 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 -inch, 2 3-inch, 24-inch , or an ETSI rack.
2-10 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Instal ling the Swi tch Attaching B rackets to 19-I nch Racks These figures show how .
2-11 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 2 Switch Inst allation Install ing th e Switch Figur e 2-5 At tachi ng Brac kets f or 1 9-Inch T elco Rack s .
2-12 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Instal ling the Swi tch Figur e 2-7 Attac hing Brac k e ts fo r 23-Inc h Rac ks to a .
2-13 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 2 Switch Inst allation Install ing th e Switch Figur e 2-9 Attac hing Brac k e ts fo r 24-Inc h Rac ks to a C.
2-14 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Instal ling the Swi tch Attaching B rackets for ETSI Racks These f igures sho w attac.
2-15 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 2 Switch Inst allation Install ing th e Switch Figur e 2-14 At tachi ng Br ack ets for ETSI T elco Racks t o .
2-16 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Instal ling the Swi tch Attaching the Cable Guide W e recommend attachin g the cable guide to pre ve nt the cables from obscuring the front panel of the switch and the other devices in stalled i n the r ack.
2-17 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 2 Switch Inst allation Install ing th e Switch Mounting the Switch on a Wall For th e best support of the switch and cables, mak e sure the switch is attac hed securely to wal l studs or to a firmly atta ched plywo od mounti ng backboa rd.
2-18 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Installi ng and Rem oving SF P Mo dules Table- or Shelf- Mounti ng Foll ow these steps to install the switch on a table or shelf: Step 1 Place the s witch on th e table or shel f near an A C po wer source.
2-19 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 2 Switch Inst allation Installing and Removing SFP Modules Figur e 2-1 9 SFP Mo dule with a Ba le-Clasp Latc .
2-20 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Installi ng and Rem oving SF P Mo dules Step 6 Insert the cable connector into the SFP module: • For f i ber-optic SFP modules, insert the LC or MT -RJ cable connector into the SFP module.
2-21 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 2 Switch Inst allation Inserting and Removing the SFP Module Patch Cable Inserting an d Removing the SFP Modu.
2-22 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Connecti ng to the 10 /100 Ports Connecting to the 10/100 Ports The s witch 10 /100 ports co nfigure th emsel ves to ope rate a t the speed of attac hed devices.
2-23 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 2 Switch Inst allation Conne cting to SFP Modu les Step 3 Reconfigur e an d reboot the conn ected device, if necessar y . Step 4 Repeat Steps 1 t hrough 3 to con nect eac h de vice .
2-24 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Connecting t o SFP Modu les Step 4 Observ e the port stat us LED. The LED turns gree n when the switch and the target device ha ve an establis hed link.
2-25 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 2 Switch Inst allation Where t o Go Next Step 3 Observ e the port stat us LED. The LED turns gree n when the switch and the target device ha ve an establis hed link.
2-26 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 2 Switch Installation Where to Go Nex t.
C HAPTER 3-1 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 3 Troubleshooting The System and port LEDs on the front pa nel provi de troubleshootin g information about th e switch. They sho w failur es in the p o we r -on s el f-t es t (POST) , port-connecti vity problems, and ove rall switch perform ance.
3-2 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 3 Trouble shooti ng Diagno sing Proble ms Ta b l e 3 - 1 de scribe s how to detec t and resolve these pro blems.
3-3 Cisco ME 2400 Ethernet Acc ess Switch Hardware Insta llation Guide OL-7678-01 Chapter 3 Troubleshoot ing Diagnosing Proble ms No connect ivity Incorrect or bad cable These are re sults of no link at both ends: • A crossover cable was used when a straight -throu gh was required, o r the rev erse.
3-4 Cisco M E 2400 Et hernet Access Switc h Hardware Inst allation Guide OL-7678-01 Chapter 3 Trouble shooti ng Diagno sing Proble ms Switch does not recognize the SFP modul e The SFP module might be installed upsi de do wn. The SFP module does not snap into the slot.
A- 1 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 APPEND IX A Technical Specifications This app endix lists th e switch t echnical sp ecific ations in Ta b l e A - 1 .
A- 2 Cisco M E 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendi x A Technical Speci fication s.
B-1 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 APPEND IX B Connector and Cabl e Specifications This a ppendix descri bes the Ci sco ME swit ch port s and t he cabl es an d adap ters that yo u use t o conn ect the switch to other de v ices.
B-2 Cisco M E 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendi x B Connector a nd Cabl e Specif ication s Connecto r Specificati ons Note Y ou can use the mdix auto interfac e confi guration command in the CLI to ena ble the automatic mediu m-depen dent inte rface crosso v er (auto-M DIX) feat ure.
B-3 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Append ix B Connector and Cab le Specifi cations Cable and Adapter Specif icati ons Figur e B-3 Cop per SFP Module RJ-45 Connec tor Console P ort The cons ole p ort uses a n 8-pin RJ- 45 conn ector, which is descri bed in Ta b l e B - 1 and Ta b l e B - 2 .
B-4 Cisco M E 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendi x B Connector a nd Cabl e Specif ication s Cable and A dapter Spec ifications Figur e B-5 T wo T wis ted-P .
B-5 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Append ix B Connector and Cab le Specifi cations Cable and Adapter Specif icati ons Crossove r Cab le and Ad apter Pinouts This se ction describe s how to ide ntify a cros sover cable an d also desc ribes the adapt er pi nouts.
B-6 Cisco M E 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendi x B Connector a nd Cabl e Specif ication s Cable and A dapter Spec ifications Ta b l e B - 2 lists t he p inouts fo r th e co nsole p ort, RJ- 45-to-D B-25 femal e DTE a dapte r , and the console device.
C-1 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 APPEND IX C Connecting to DC Power T o conn ect the Cisco ME switc h to a DC-i nput po wer s ource, f ollo w these step s: 1. Preparin g for Inst allation, pa ge C-1 2.
C-2 Cisco M E 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendi x C Connect ing to DC P ower Groundi ng the Switch • 6-gauge co pper gr ound wire (insulat ed or nonins u.
C-3 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Append ix C Connecting to DC Power Groundi ng the Swi tch Figur e C-2 Crim ping the G r ound Lug Step 5 Use t he two number-10-32 screws to attach the g round lug an d wire asse mbly t o the rear panel of the switch.
C-4 Cisco M E 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendi x C Connect ing to DC P ower Groundi ng the Switch Connecting the Grounding Wire to Earth Ground Next you must conn ect the ot her end of th e ground ing wire to an a ppropr iate groun ding poin t at your site or to the te lco rack .
C-5 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Append ix C Connecting to DC Power Wiring the DC-Input Power Sour ce Complete thes e steps: Step 1 Remove all paint or oxid ation fr om the rack at the poin t of the gro unding con nection .
C-6 Cisco M E 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendi x C Connect ing to DC P ower Wiring the D C-Input Power So urce Figur e C-6 T er minal Bloc k Plug Step 3 Identify t he positi ve and nega ti ve fe ed positions for th e terminal block connec tion.
C-7 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Append ix C Connecting to DC Power Wiring the DC-Input Power Sour ce War ni n g An exposed wire lead from a DC-input power source can conduct harmful levels of electricity.
C-8 Cisco M E 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendi x C Connect ing to DC P ower Wiring the D C-Input Power So urce Figur e C-1 0 T orquing the T er minal-Bloc k Captiv e Scr ews Step 7 Repeat Steps 4 and 5 for the r emainin g thre e DC -input power source wire s.
C-9 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Append ix C Connecting to DC Power Wiring the DC-Input Power Sour ce Cautio n Secure the wires comin g in from the terminal b lock so that they can not be di sturb ed by cas ual cont act.
C-10 Cisco M E 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendi x C Connect ing to DC P ower Wiring the D C-Input Power So urce.
D- 1 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 APPEND IX 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 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendix D Configuring the Switch with the CLI-Based Setup Program Access ing the CLI Through the Console Port Tak.
D-3 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Append ix D Configuring t he Switch wi th the CLI-Ba sed Set up Progra m Connecting to the Console Port Note Y ou ne ed to provide the Ca tegory 5 strai ght-throu gh ca bles t o conn ect t he s witch p orts to ot her Ether net devices.
D- 4 Cisco M E 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendix D Configuring the Switch with the CLI-Based Setup Program Starting the Term inal-Em ulation Softw are Figur e D-3 Connec ting the S witch to a PC See Appendix C, “Con necting t o DC Po wer,” for DC po wer connec tion instructions.
D-5 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Append ix D Configuring t he Switch wi th the CLI-Ba sed Set up Progra m Connecting to a Power Source Connecting to .
D- 6 Cisco M E 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendix D Configuring the Switch with the CLI-Based Setup Program Enterin g the Initial Conf igurati on Informat .
D-7 Cisco ME 2400 Ethernet Ac cess Switc h Hardware Inst allati on Guide OL-7678-01 Append ix D Configuring t he Switch wi th the CLI-Ba sed Set up Progra m Entering the Initial Configuration Information Step 9 Ente r Y to conf igure the switch as the clus ter command switch.
D- 8 Cisco M E 2400 Et hernet Access Switc h Hardware Inst alla tion Guide OL-7678-01 Appendix D Configuring the Switch with the CLI-Based Setup Program Enterin g the Initial Conf igurati on Informat .
IN-1 Cisco ME 2400 Ether net Access Switc h Hardware Inst allati on Guide OL-7678-01 INDEX Numerics 10/100 por ts cable l ength s 2-4 connec ting t o 2-22 conn ectors and cables B-1 t o B-2 describe d.
Index IN-2 Cisco ME 2400 Ether net Access Switc h Har dware Installa tion Guide OL-7678-01 coarse wa velength-divisio n multiplexing See CWDM comm and-l ine i nte rfac e See CLI config urati on exam p.
Inde x IN-3 Cisco ME 2400 Ether net Access Switc h Hardware Inst allati on Guide OL-7678-01 I installati on assigni ng the IP Addr ess D-5 conn ecting to a p ower sour ce 2-7, D-5 rack-m ountin g 2-7 .
Index IN-4 Cisco ME 2400 Ether net Access Switc h Har dware Installa tion Guide OL-7678-01 power connec ting t o AC 2-7 connec ting t o DC 2-7 power on 2-7 power- on self -tes t see POST power sour ce.
Inde x IN-5 Cisco ME 2400 Ether net Access Switc h Hardware Inst allati on Guide OL-7678-01 U user-ser vicea ble pa rts w arning 2-3 W wall-mount ing 2-16 wall-mo unting warni ng 2-2 warnings Class 1 .
Index IN-6 Cisco ME 2400 Ether net Access Switc h Har dware Installa tion Guide OL-7678-01.
デバイスCisco Systems ME 2400の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Cisco Systems ME 2400をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはCisco Systems ME 2400の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Cisco Systems ME 2400の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Cisco Systems ME 2400で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Cisco Systems ME 2400を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はCisco Systems ME 2400の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Cisco Systems ME 2400に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちCisco Systems ME 2400デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
