Instruction/ maintenance manual of the product 78-16356-01 Cisco Systems
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Cisco Global Site Selecto r 4491 Hardwar e Insta llation Guid e Copyright © 200 4 Cisco Sy stems, Inc. All ri ghts reserved. CCSP , the Cisco Square Bridge logo, Cisco Unity , Follow Me Bro wsing, FormShare, and StackW ise are trademarks of Cisco Systems, Inc.
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v Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 CONTENTS Preface xiii Audienc e xi v How to Use Thi s Guide xv Relat ed Do cume nta tion xvi Symbols a nd Conventions xvii .
Contents vi Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Enviro nmental 2-9 Choosi ng a Site for Insta llation 2-9 Ensur ing O vercu rren t Prote ctio n 2-10 Groundi ng t .
vii Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Conte nts CHAPTER 4 Troubles hooting the GSS H ardware 4-1 Checki ng the Basics 4-1 Checki ng Connections 4-2 CHAPTER 5 M.
Contents viii Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Cablin g a Modem to the GSS B-4 I NDEX.
ix Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 FI GU RE S Figu re 1-1 Front Pa nel View 1-3 Figu re 1-2 LED I ndic ators 1-4 Figu re 1-3 Rear P anel View 1-5 Figu re 1-4.
Figur es x Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01.
xi Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 TABLES Ta b l e 1 - 1 Front Pa nel LED Indicat ors 1-4 Ta b l e 1 - 2 Consol e Port Connector Pi nouts 1-7 Ta b l e 1 - 3 .
Tables xii Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01.
xiii Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Preface This gui de is inten ded to hel p you install y our Cisc o Global Site Selector 4491 (GSS) and ge t it ready for ope ration.
Preface Audienc e xiv Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Audience War ni ng Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
xv Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Preface How to Use Th is Guide How to Use This Guide This section describ es the chapters and contents in this guide. Chapter/Appendix Descriptio n Chap ter 1, Int roducti on Describe s the physical pro perties and prov ides a functiona l overvie w of the GSS.
Preface Related Documentation xvi Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Related Documentation In add ition to this documen t, the GSS docum entation se t includes t.
xvii Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Preface Symbols a nd Con ventions Symbols and Conventio ns Graphi cal user interfac e elements use the follo wing con vent ions: • Bold text i ndicates a co mmand in a paragrap h.
Preface Warni ng Defini tion xviii Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Warning Definition War ni ng IMPORT AN T SAFET Y INSTRUCT IONS This warning symbol means danger . Y ou ar e in a situation that could cause bodily injury .
xix Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Preface Warn ing De fini tion Attention IMPORTANTES IN FORMA TIO NS DE SÉCU RITÉ Ce symbole d'avertissement indique un danger . Vo us vous trouvez dans une situation pouvant entraîner des blessu res ou des dommages corporels.
Preface Warni ng Defini tion xx Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Adva rsel VIKTIGE S IKKERHE TSINSTRUKS JONER Dette advarselssymbolet betyr fare.
xxi Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Preface Warn ing De fini tion Va r ni n g! VIKTIGA SÄ KERHETS ANVISNINGAR Denna varningssignal signalerar fara. Du befinner dig i en situation som kan leda till personskada.
Preface Obtaining Documentation, Obtaining Support, and Security Guidelines xxi i Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Obtaining Do cumentation, Obtaining Support,.
CH A P T E R 1-1 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 1 Introduction This cha pter provides a ba sic func tional overview of the Cisco G lobal Site Selecto r 4491 ( GSS) and describe s the ha rdware, m ajor com ponen ts, and front and rear pa nel ind icat ors a nd cont rols.
Chapter 1 Introduc tion System H ardware F eatures 1-2 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 The G SS is the corne rstone of disa ster recovery in such dist ributed.
1-3 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chap ter 1 Introd ucti on System Hardware Features Front Panel F eatures The GSS front pa nel conta ins LED indicato rs, a power button, and a CD-R O M driv e . Figure 1- 1 illustrates the GSS front pa nel.
Chapter 1 Introduc tion System H ardware F eatures 1-4 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Figure 1-2 shows the LED indicators on the fr ont panel of the GSS.
1-5 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chap ter 1 Introd ucti on System Hardware Features Rear Panel F eatures The rear p anel contai ns t he AC power rece ptacle , Ethe rnet conne ctors , and the consol e/ser ial co nnecto r .
Chapter 1 Introduc tion Ports and Conne ctors 1-6 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Ports and Connectors The G SS support s the f ollowing port connect ors on t.
1-7 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chap ter 1 Introd ucti on Por ts and Connect ors The console p ort operate s at the settin gs outlined in Ta b l e 1 - 3 .
Chapter 1 Introduc tion Ports and Conne ctors 1-8 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Ethern et Connectors The G SS has two integrat ed 10 /100/1000 –megabit- per-second (Mbps) E thernet connect ors.
CH A P T E R 2-1 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 2 Preparing for Installation This cha pter contai ns importa nt safety infor mation you should revie w before working wi th the GSS. U se the foll owing guideline s to en sure your own personal safety and to he lp protect you r GSS from potenti al damage.
Chapte r 2 Prepa ring for Instal lation Safety 2-2 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Safety This sec tion pro vides safety informa tion for i n stalling th e GSS.
2-3 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 2 Preparing f or Installa tion Safety The follo wing warnings an d cautions are pro vided to help you pre vent injury to yoursel f or damage to the de vices: War ni ng IMPO RT ANT SAFETY INSTRUC TIONS This warning symbol means danger .
Chapte r 2 Prepa ring for Instal lation Safety 2-4 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 War ni ng This unit might have more than one power cor d. T o reduce the risk of electrical shock, disconnect all power supply cords before servicing the unit.
2-5 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 2 Preparing f or Installa tion Safety War ni ng Ultimate disposal of this product s hould be handled according to all national laws and regulations.
Chapte r 2 Prepa ring for Instal lation Safety 2-6 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Genera l Precau tions Observe the following ge neral pr ecaut ions whe n using and worki ng wit h you r GSS: • Keep your GSS comp onents away from ra diators a nd heat sou rces, an d do not block co oling vents.
2-7 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 2 Preparing f or Installa tion Safety • Use the c orrect external power source . Opera te the pro duct only from the type of power sou rce indi cated on the electri cal r atings l abel.
Chapte r 2 Prepa ring for Instal lation Preparing Your Site for Installation 2-8 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Y ou can al so take the following steps to pr.
2-9 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 2 Preparing f or Installa tion Preparing Your Site for Installation Enviro nmental When pl anning yo ur sit e lay.
Chapte r 2 Prepa ring for Instal lation Preparing Your Site for Installation 2-10 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Ensuring Overcurrent P rotec tion The GSS re.
2-11 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 2 Preparing f or Installa tion Precautions for Rack-Mounting Cabling Use the cabl es in the acce ssory kit to connect the GSS conso le port to a console or comput er that is ru nning a con sole progr am.
Chapte r 2 Prepa ring for Instal lation Precauti ons for Produ cts with Mo dems, Teleco mmun ications, or L ocal Area N etwork O ptions 2-12 Cisco Global Site S elector 4491 Hardwa re Installation Gui.
CH A P T E R 3-1 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 3 Installing the GSS This cha p ter e xplains ho w to install a GSS in an equip ment rac k, or on a table or workbenc h. Thi s chapte r also provides i nstruc tions for conn ecting cables , A C power , and for booting the GSS.
Chapter 3 Insta lling the GSS Unpacki ng and Ins pecting the G SS 3-2 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Unpacking and Inspecting the GSS The GSS sh ipment cont .
3-3 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 3 Instal ling the GSS Installing Your GSS Concurre ntly , repo rt the natu re and extent of the damage to Cust omer Servi ce. Report the probl em or defic iency to Customer Service along with the model number and seri al numbe r .
Chapter 3 Insta lling the GSS Installing Your G SS 3-4 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Installing the GSS in a Four-Post Rack This secti on prov ides instru ctions for installing th e GSS in a fo ur -post rack .
3-5 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 3 Instal ling the GSS Installing Your GSS The GSS can be installed in a sys tem 1U rack . Figu re 3- 1 illustra tes the four -post rack rail compone nts. Ta b l e 3 - 1 describe s each four-post rack rail c omponent.
Chapter 3 Insta lling the GSS Installing Your G SS 3-6 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Attaching the Telescopic Rails to the Rac k Assembly T o attach the tel escopic rails to the four -post rack assembly: 1. Extend the rail (1) as far as it will go, as sh o wn in Figure 3-2 .
3-7 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 3 Instal ling the GSS Installing Your GSS 3. Using a sc rewdri ver (1), gentl y press the button label led “Push” and move the middle section of the outer telescopic rai l to its end position, as shown in Figure 3-3 .
Chapter 3 Insta lling the GSS Installing Your G SS 3-8 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 4. Select a lo cation in th e rack to mo unt the GSS and a ttach the fr ont end of the right outer t e lescopic rail to the righ t side of the r ack, as sho w in Figure 3- 4 .
3-9 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 3 Instal ling the GSS Installing Your GSS Figur e 3-5 T elescopic Rail A djustm ent Scr ews 1 Right and left rail.
Chapter 3 Insta lling the GSS Installing Your G SS 3-10 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 6. Position an d align the bac k end of the out er telescopic rail with the right side of the rack. Ensure that the ba ck end of the rail is alig ned with the fron t end and t hat it is f lush w ith the rack p ost.
3-11 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 3 Instal ling the GSS Installing Your GSS 8. Repeat st eps 1 thr ough 7 with the left s ide rail and rack as sembly . 9. T ighten the two adjustment scre ws located at the rear of the two oute r telescopic rails (se e Figur e 3-5 ).
Chapter 3 Insta lling the GSS Installing Your G SS 3-12 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 2. Insert the GSS and inner rail into the tw o outer telescopi c rails, as shown in Figure 3-8 . Figur e 3-8 Sliding the G SS int o the F our -post Rac k 3.
3-13 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 3 Instal ling the GSS Installing Your GSS Figur e 3-9 Attac hing the Right Br ack et t o the Rig ht Side of the G SS 2. Select a location in the rack t o mount the GSS, then position the GSS and brack e ts in the rack.
Chapter 3 Insta lling the GSS Installing Your G SS 3-14 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Installing the GSS on a Workbench or Tabletop When you ins tall a GSS .
3-15 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 3 Instal ling the GSS Conne cting Ca bles Connecting Cab les War ni ng Do not work on the GSS or co nnect or disconnect cables during periods of lightning activit y .
Chapter 3 Insta lling the GSS Connecting A C Power 3-16 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 2. Connect th e other en d of the network cable to a hub or swit ch in your network. 3. For console c onnecti ons, plug the cable int o the cons ole port o n the GSS ba ck panel.
3-17 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 3 Instal ling the GSS Booting the GSS Booting the GSS When you power up the GSS, the boot pro cess: • Performs.
Chapter 3 Insta lling the GSS Establishi ng a Serial Con sole Connection 3-18 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Establishing a Serial Console Con nection Before you con f igure the GSS, y ou shoul d establ ish a s erial con sole conn ection to it.
3-19 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 3 Instal ling the GSS Checki ng the Fr ont Pa nel LEDs 4. Once y ou cr eate a ses sion, choo se Sa ve As from the File menu to sa ve the connect ion descriptio n.
Chapter 3 Insta lling the GSS Removing or Replacing a GSS 3-20 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Removing or Replac ing a GSS War ni ng Before working on a GSS, turn OFF the power and unpl ug the power cord.
3-21 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 3 Instal ling the GSS Remov ing o r Repl acing a GSS For details about u sing the prima ry GSSM GUI to log icall.
Chapter 3 Insta lling the GSS Removing or Replacing a GSS 3-22 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01.
CH A P T E R 4-1 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 4 Troubleshooting the GSS Hardware If your GSS is not workin g as expected, begin tr oubleshoot ing using the proced ures in this chapter . Thi s chapte r guides you t hrough some initial check s and proce dures that can solve basic GSS proble ms.
Chapter 4 Troubles hooting the GSS Ha rdware Checking Connect ions 4-2 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 2. V isually inspect the GSS. Is the GSS wet or damaged? – Ye s . Liqui d spills, splashes, and excessive humidity ca n caus e damage t o the GSS.
4-3 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 4 Troubles hooting the G SS Hardwar e Check ing Con necti ons 2. If the GSS is conn ected to a power strip or power distribution uni t, turn the power strip off and then on again.
Chapter 4 Troubles hooting the GSS Ha rdware Checking Connect ions 4-4 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01.
CH A P T E R 5-1 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 5 Maintaining Your GSS Proper u se of preventiv e mainte nance procedu res c an keep the GSS in t op operating conditio n and m inimize the ne ed for time-c onsuming se rvice proc edures.
Chapter 5 Maintaining Your GSS Main tain ing Yo ur S ite E nv ironm ent 5-2 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 This sectio n dis cusses v arious en viro nmental factors that ca n adver sely af fect GSS pe rforma nce an d longevity .
5-3 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 5 Maintai ning Your GS S Maintaining Your Site Environment Adequate v entilation is partic ularly impo rtant at high altitud es. GSS perfor mance may not be opt imum when ope rating at hi gh tempera tures as wel l as high altitudes.
Chapter 5 Maintaining Your GSS Main tain ing Yo ur S ite E nv ironm ent 5-4 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Dust and Particles A clean op erating en viron men.
5-5 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 5 Maintai ning Your GS S Maintaining Your Site Environment T o reduce the ef fects of ESD, obs erve the fol low ing guideline s: • W ear a gro unding wri st strap.
Chapter 5 Maintaining Your GSS Main tain ing Yo ur S ite E nv ironm ent 5-6 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Magnetism Because the y store data ma gnetical ly , hard disk dri ves are extreme ly susceptible to the effects of magn etism.
5-7 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Chapter 5 Maintai ning Your GS S Using Power Protection Devices – Adding machine s – Laser pr inters – Facsim ile m.
Chapter 5 Maintaining Your GSS Using Pow er Protection Dev ices 5-8 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 Line Cond itioners Line conditioner s go beyond the ov e rvoltage protection of surge protectors.
A-1 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 APPEND IX A Specifications This appendix contains th e follo wing sections that list specifi cations for the Cisco GSS 44.
Append ix A Specifications Environ menta l Specif ications A-2 Cisco Glob al Site Selecto r 4491 Hardware Inst alla tion Guide 78-16356-01 Environme ntal Specifications Ta b l e A - 2 describes the GSS e n vironmental specif ications. Note G is the unit o f acce leration due to gravity, w h ere 1 G equ als 32.
A-3 Cisco Glob al Site Selector 4491 Hardware Inst allation Guide 78-16356-01 Appendix A Sp ecifications Phys ica l Spe cific ation s Physical Specifications Ta b l e A - 3 describes the GSS physical specifications. Port Specifications Ta b l e A - 4 describes the GSS port specifications.
Append ix A Specifications Port Specifications A-4 Cisco Glob al Site Selecto r 4491 Hardware Inst alla tion Guide 78-16356-01.
B-1 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 APPEND IX B Connecting a Modem to the GSS Console Port This appe ndix expla ins how to configure a dial -up modem an d conne ct it to the console port on the GSS.
Appendix B Conne cting a Modem to the GSS Console Port Config uring a Modem B-2 Cisco Glob al Site Selecto r 4491 Hardware Inst alla tion Guide 78-16356-01 Configuring a Mod em Y ou must co nfigure the mode m before you can connect it to the GSS.
B-3 Cisco Glob al Site Selector 4491 Hardware Inst allation Guide 78-16356-01 Appendi x B Connecti ng a Modem to the GS S Consol e Port Configurin g a Modem Y ou co nfigure the mode m by enteri ng comma nds from the Attentio n (A T ) command set and, if appl icable, setting the con fig uration swit ches on the modem.
Appendix B Conne cting a Modem to the GSS Console Port Cablin g a Modem to the GSS B-4 Cisco Glob al Site Selecto r 4491 Hardware Inst alla tion Guide 78-16356-01 Cabling a Modem to the GSS After y ou co nfigure the modem, perform the f ollowing ste ps to conn ect a m odem to the GSS: 1.
B-5 Cisco Glob al Site Selector 4491 Hardware Inst allation Guide 78-16356-01 Appendi x B Connecti ng a Modem to the GS S Consol e Port Cabli ng a Mo dem to t he G SS 2. Ensure that the se tting s on the re mote console match the GSS def ault settings specif ied in Ta b l e B - 2 .
Appendix B Conne cting a Modem to the GSS Console Port Cablin g a Modem to the GSS B-6 Cisco Glob al Site Selecto r 4491 Hardware Inst alla tion Guide 78-16356-01.
IN- 1 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 INDEX A AC electrica l specifi cations A-1 AC power 2-10 connec ting to GSS 3-16 cord , connec ting 3-16 line con ditio.
Index IN-2 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 pinouts 1-7, B -3 corrosi on, pre venting damage 5-4 D damage to pr oduct, re porti ng 3-2 documen tation convent i.
IN- 3 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Index connec tions 1-5 front pan el featu res 1-3 genera l preca utions 2-6 hardwa re feat ures 1-2 installing 3- 3 LED.
Index IN-4 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 L LAN option s, precau tions for 2-12 precaut ions 2-12 LED indi cators Ethernet 0 Activity 1-4, 3-20 Ether net 0 L.
IN- 5 Cisco Gl obal Sit e Selector 4 491 Hardware Installation Guide 78-16356-01 Index rea r panel connec tions 1-5 featu res 1-5 RFI, preve nting effe cts of 5-5 S safety creat ing a safe env ironm e.
Index IN-6 Cisco Global Site S elector 4491 Hardwa re Installation Guide 78-16356-01 U uninterru ptible power supplies, using 5-8 W warnings regardin g batteries a nd explo sion da nger 2-5 chass is, .
An important point after buying a device Cisco Systems 78-16356-01 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cisco Systems 78-16356-01 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cisco Systems 78-16356-01 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cisco Systems 78-16356-01 you will learn all the available features of the product, as well as information on its operation. The information that you get Cisco Systems 78-16356-01 will certainly help you make a decision on the purchase.
If you already are a holder of Cisco Systems 78-16356-01, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cisco Systems 78-16356-01.
However, one of the most important roles played by the user manual is to help in solving problems with Cisco Systems 78-16356-01. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cisco Systems 78-16356-01 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
