-
Cisco Systems 520 - page 1
Americas Headquarters Cisco Systems, In c. 170 West Tasman Drive San Jose, CA 951 34-1706 USA http://www.ci sco.com Tel: 408 526-4000 800 553-NETS (638 7) Fax: 408 527-0883 Cisco S ecure Router 520 S eries Hardw are Installation Guide Text Part Number: OL -12892-01 ...
-
Cisco Systems 520 - page 2
THE SPECIFICATION S AND INFORMATION REGARDING TH E PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITH OUT NOTICE. ALL STATEMENTS , INFORMATION, AND RECOMMENDATI ONS IN THI S MANUAL ARE BE LIEVED TO BE A CCURATE BUT ARE PRESENTED WI THOUT WARRANTY OF ANY KIND, EX PRESS OR IMPLIED. USERS MUST TAKE FULL RESPO NSIBILITY FOR THEIR APPLICATION OF ANY PRO ...
-
Cisco Systems 520 - page 3
iii Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 CONTENTS Preface vii Objective vii Audience vii Organization vii Conventi ons viii Related Documentation xiii Obtaining Documentation and Submitting a Serv ice Request xiv CHAPTER 1 Product Overview 1-1 Router Models 1-1 Cisco Secure Router 520 Etherne t-to-Ethernet Routers ...
-
Cisco Systems 520 - page 4
Contents iv Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 CHAPTER 3 Router Mounting P rocedures 3-1 Connecting a Radio Antenna to a Wireless Router 3-1 Placing the Ro uter on a Deskto p 3-1 Mounting the Router on a Wall 3-2 Mounting the Router in a Rack 3-3 What to Do Nex t 3-5 CHAPTER 4 Router Installation 4-1 Typical Inst ...
-
Cisco Systems 520 - page 5
Contents v Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 I NDEX ...
-
Cisco Systems 520 - page 6
Contents vi Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 ...
-
Cisco Systems 520 - page 7
vii Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Preface This preface describes the objectiv es, audience, org anization, and con v entions of this guide, and describes related docu ments that ha ve additio nal information. It contains the follo wing sections: • Objecti ve, page vii • Audience, p age vii • Organizati ...
-
Cisco Systems 520 - page 8
viii Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Preface Conventions This section describes the con ventions used in this guide. Note Means reader take note . Notes contain helpful suggestions or referen ces to additional informat ion and material. Caution This symbol means r eader be careful . In this situation , you mig ...
-
Cisco Systems 520 - page 9
ix Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Preface Va r o i t u s TÄRKEITÄ TURVALLISUUSOHJEIT A Tämä varoitusmerkki merkitsee vaaraa. T ilanne voi aiheuttaa ruumiillisia vammoja. Ennen kuin käsittelet laitteistoa, huomioi sähköpiirien käsittelemisee n liittyvät riskit ja tutustu onnettomuuksien yl eisiin ehk? ...
-
Cisco Systems 520 - page 10
x Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Preface Avi so INSTRUÇÕES IMPORT ANTES DE SEGURANÇA Este símbolo de aviso significa perigo. V ocê está em uma situação que poderá ser causadora de lesões corporais. Antes de iniciar a utilização de qualquer equipament o, tenha conhecimento dos perigos envolvidos no ...
-
Cisco Systems 520 - page 11
xi Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Preface Avi so INSTRUÇÕES IMPORT ANTES DE SEGURANÇA Este símbolo de aviso significa perigo. V ocê se encontra em uma situação em que há risco de lesões corporais. Antes de trabalhar com qualquer equipam ento, esteja ciente dos riscos que envolvem os circuitos elétri ...
-
Cisco Systems 520 - page 12
xii Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Preface ...
-
Cisco Systems 520 - page 13
xiii Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Preface Related Documentation The Cisco Secure Router 520 Series p roduct is ship ped wi th a minimal set of print ed documentation. Additional prod uct documentation is a vailable on Cisco .com. In addition to the Cisco Secur e Router 520 Series Har d war e Installation Gu ...
-
Cisco Systems 520 - page 14
xiv Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Preface Obtaining Documentation and Submitting a Service Request For info rmation on obtaining documentation, sub mitting a service request, and gatheri ng additional information, see the mont hly What’ s New in Cisco Pr oduct Documentation , wh ich also lists all ne w and ...
-
Cisco Systems 520 - page 15
CH A P T E R 1-1 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 1 Product Overview The Cisco Secure Router 520 Series r outers are designed for small b usinesses with up to 50 users and telew orkers who want secure connect i vity to corporate LANs and to th e Internet. These routers pro vide adv anced security features that ...
-
Cisco Systems 520 - page 16
1-2 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 1 Produ ct Overview Router Models Figure 1-1 sho ws the fron t panel of th e Cisco Secure Ro uter 520 Ethernet-to-Ethernet wireless router . The front panel contains th e LEDs, ports, reset b utton, and antenna. The antenna is a vai lable only with the wirele ss rou ...
-
Cisco Systems 520 - page 17
1-3 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 1 Product Overview Router Models Figure 1-2 sho w s the back panel of the Cisco Secure Router 520 Series router . It contains the K ensington security slot for securing the router and t he input jack for the A C adapter . The back panel is identical for all the Cisc ...
-
Cisco Systems 520 - page 18
1-4 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 1 Produ ct Overview Router Models Figure 1-3 sho ws the front pa nel of the Cisco Secure Router 520 ADSL-ov er-PO TS wireless router . The front panel contains the LEDs, ports, reset b utton, and antenna. The antenna is a vailable only with the wireless router . Fig ...
-
Cisco Systems 520 - page 19
1-5 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 1 Product Overview Hardware Features Figure 1-4 sho w s the front panel of the Cisco Secure Router 520 ADSL-ov e r-ISDN wireless router . The front panel contains the LEDs, ports, reset b utton, and antenna. The an tenna is onl y av ailable with the wireless router ...
-
Cisco Systems 520 - page 20
1-6 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 1 Produ ct Overview Hardware Fe atures Serial Number Label Location Figure 1-5 sho w s the serial number label, wh ich is locate d on the back of the Cisco Secure Router 520 Series route rs. Figur e 1 -5 Ser ial Number Loca tion on the Bac k of the Cisco Secu r e Ro ...
-
Cisco Systems 520 - page 21
1-7 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 1 Product Overview Hardware Features Integrated 802.11b/g Radio Module—Wireless Routers Only The Cisco Secure Router 520 Series wireless router has an integrated IEEE 802.11b/g radio module that operates as a wireless access point in infrastructur e mode. The wire ...
-
Cisco Systems 520 - page 22
1-8 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 1 Product Overview Hardware Featur es Router Memory The Cisco Secure Router 520 Series r outers support the fo llowi ng types of memory: • Flash Memory • SDRAM Flash Memory Flash memory st ores the image o f the R OMMON boot code, the Cis co IOS softwar e, and t ...
-
Cisco Systems 520 - page 23
1-9 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 1 Product Overview Regulatory Compliance Regulatory Compliance For compli ance and safety information, see the Re gulatory Compliance and Safety In formation for Cisco Secur e Router 500 Series . Autosensing function Eliminates the need for a crosso ver cable an d a ...
-
Cisco Systems 520 - page 24
1-10 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 1 Product Overview Regulatory Compliance ...
-
Cisco Systems 520 - page 25
CH A P T E R 2-1 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 2 Preinstallation Information This chapter pro vides information about safe ty , unpacking the router , and preparing the Cisco Secure Router 520 Ser ies router for instal lation. It contains th e follo wing sections: • Safety W arnings and Guidel ines, page ...
-
Cisco Systems 520 - page 26
2-2 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 2 Prei ns tallation In formation Safety Warn ings and Guidelines War ni ng Do not work on the sy stem or connect or disconnect cables during periods of lightning activity . Statement 1001 War ni ng Ultimate disposal of this product should be handled according to all ...
-
Cisco Systems 520 - page 27
2-3 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 2 Prei nstallation Information Preventing Damage to the Router General Safety Guidelines for Wireless Routers Use the following guidelin es for wireless routers: • Do not touch or mo ve the antenna whi le the unit is transmitting or receiv ing data. • Do not hol ...
-
Cisco Systems 520 - page 28
2-4 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 2 Prei nsta llation Info rmation Unpacking the Box Unpacking the Box Figure 2-1 sho ws the items included with the Ci sco Secure Router 520 Series routers. Figur e 2-1 Items Included with the Cisco Secure Rout er 520 Series Rout ers 6 7 211429 Cisc o Smart Business ...
-
Cisco Systems 520 - page 29
2-5 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 2 Prei nstallation Information Preparing for Installation Preparing for Installation Before installing the router and connect ing de vices to it, follo w these steps: Step 1 Obtain a broadband or Ethernet conn ection from your service pro vider . Step 2 Remov e the ...
-
Cisco Systems 520 - page 30
2-6 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892--01 Chapter 2 Prei ns tallation In formation What to Do Next ...
-
Cisco Systems 520 - page 31
CH A P T E R 3-1 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 3 Router Mounting Procedures This chapter pro vides the procedures for mounting the Cisco Secure Router 520 Series routers. It contains the follo wing sections: • Connecting a Radio Antenna t o a W ireless Router , page 3-1 • Placing the Ro uter on a Desktop ...
-
Cisco Systems 520 - page 32
3-2 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 3 Router Mounting Procedures Mounting the Router on a Wall T o install the rou ter on a desktop , table, or othe r flat surfa ce, follo w these steps: Step 1 Place the unit upside-down on the flat surf ace. Step 2 Attach the four rubber pads to the re cessed areas on ...
-
Cisco Systems 520 - page 33
3-3 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 3 Router Mounting Procedures Mounting the Rou ter in a Rack War ni n g This unit is intended to be mounted on a wall. Please read the wall mounting instructions carefully before beginning installation. Failu re to use the correct hardware or to follow th e correct pr ...
-
Cisco Systems 520 - page 34
3-4 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 3 Router Mounting Procedures Mounting the Ro uter in a Rack War ni ng T o prevent bodily injury when mounting or servicing this unit in a rack, you m ust take special precautions to ensure that t he sy stem remains stable. The following guideline s are provided to en ...
-
Cisco Systems 520 - page 35
3-5 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 3 Router Mounting Procedures What to Do Next What to Do Next Install the router b y follo wing the instructions in Ch apter 4, “Router Install ation. ” ...
-
Cisco Systems 520 - page 36
3-6 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 3 Router Mounting Procedures What to Do Next ...
-
Cisco Systems 520 - page 37
CH A P T E R 4-1 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 4 Router Installation This chapter provides the procedures for cabling and i n stalling a Cisco Secure Router 520 Series rout er. The chapter contains th e following sections: • T ypical Installation, page 4-1 • Connecting a Serv er , PC, or W o rkstation, p ...
-
Cisco Systems 520 - page 38
4-2 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Typical Installation Installing the Cisco Secure Router 520 Ethernet-to-Ethernet Router Figure 4-1 sho ws a typical installation fo r the Cisco Secure Router 520 Et her net-to-Ethernet router . The figu re sho ws the front panel of the r outer . ...
-
Cisco Systems 520 - page 39
4-3 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Typical Installation Step 5 Connect the A C adapter t o the router . See the “Connecting the A C Adapter” section on page 4-12 . Step 6 T o conf igure the router so ftware by u sing the command -line interf ace (CLI) or to troubleshoot probl ...
-
Cisco Systems 520 - page 40
4-4 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Typical Installation T o install a Cisco Secure Router 520 AD SL-o ver -PO TS router, follo w these steps: Step 1 If you hav e a wireless router , first connec t the radio antenna to the router . See the “Connecting a Radio Antenna to a W irel ...
-
Cisco Systems 520 - page 41
4-5 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Typical Installation Installing the Cisco Secure Router 520 ADSL-over-ISDN Router Figure 4-3 sho w s a typical installation for the Cisco Secure Router 520 ADSL-ov er-ISDN router . The figu re sho ws the front panel of the r outer . Figur e 4-3 ...
-
Cisco Systems 520 - page 42
4-6 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Connecting a Server, PC, or Workstation Step 6 T o conf igure the router so ftware by u sing the command -line interf ace (CLI) or to troubleshoot problems, connect a terminal or PC to the console port. See the “Connect ing a T erminal or PC t ...
-
Cisco Systems 520 - page 43
4-7 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Connecting an Extern al Ethernet Switch (Optional) T o connect a server , PC, workstation, or other Ethern et de vice to a built-in Ethernet switch port on the router , follow these steps. Caution Do not turn on the serv er, PC, w orkstation, or ...
-
Cisco Systems 520 - page 44
4-8 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Connecting a Broadband Modem (Optional) T o connect the router to an ex ternal Ethe rnet switch , follo w these steps : Step 1 Connect one end of the yellow Ethernet cable to a b uilt-in Ethernet switch port on the router . Step 2 Connect the ot ...
-
Cisco Systems 520 - page 45
4-9 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Connecting an ADSL Line—AD SLoPOTS Port Step 3 T urn on the broadband modem. Connecting an ADSL Line—ADSLoPOTS Port This section applies o nly to the Cisco Secure Router 520 A DSL-ov er-PO TS router . Figure 4-7 sho ws the asymmetric digital ...
-
Cisco Systems 520 - page 46
4-10 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Connecting an ADSL Line—ADSLoISDN Port Y ou can connect the ADSL cable direc tly to a cable wall jack or you ca n connect it to the wall jack using a splitter . T o connect the ADSL cable, perfor m one of the follo wing, as appropriate: • T ...
-
Cisco Systems 520 - page 47
4-11 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Connecting a n ADSL Line—ADSLoISDN Port Figure 4-8 sho ws the ADSLoISDN port on the router co nn ected to a cable wall jack using a splitter . Figur e 4-8 Connecting the ADSLoISDN P ort to an ADSL Line Cisco Secure Router 500 Series 231445 2 ...
-
Cisco Systems 520 - page 48
4-12 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Connecting the AC Adapter Y ou can connect the ADSL cable direc tly to a cable wall jack or you ca n connect it to the wall jack using a splitter . T o connect the ADSL cable, perfor m one of the follo wing, as appropriate: • T o connect the ...
-
Cisco Systems 520 - page 49
4-13 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Connecting the AC Ad apter Figur e 4-9 Connecting the AC Adapt er 231504 1 2 3 5 4 1 Router 2 A C adapter input jack on the router 3 Power cord 4 A C adapter 5 Electrical outlet T o connect the A C adapter to the router and to an electrical out ...
-
Cisco Systems 520 - page 50
4-14 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Connecting a Terminal or PC to th e Console Port Connecting a Terminal or PC to the Console Port The console port is a service port to which you c an connect a terminal or PC either to configure the software b y using the command-line interf ac ...
-
Cisco Systems 520 - page 51
4-15 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Connecting an Asynchronous M odem to the Console Port Note T o connect an asynchronous modem to the console port, you must hav e an optional router modem cable. Contact your router v endor to order this cable. Figure 4-11 sho ws an asynchronous ...
-
Cisco Systems 520 - page 52
4-16 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 4 Router Installation Verifying Router Operation T o connect the console port on the router to an asynchron ous modem, follo w these steps: Step 1 Connect the RJ-45 end of the ro uter modem cable to the console port. Step 2 Connect the DB-25 connector end of the rou ...
-
Cisco Systems 520 - page 53
CH A P T E R 5-1 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 5 Troubleshooting This chapter describes problems that co uld occur with the router hardw are, possible causes of the problems, and steps fo r solving the problems. This chap ter contains the follo wing sections: • Before Y ou Call Y our Cisco Reseller , pa ge ...
-
Cisco Systems 520 - page 54
5-2 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 5 Tro ubleshooting Problems During First Startup Problems During First Startup Ta b l e 5-1 lists problems that could occur the f irst time you turn on the router . Ta b l e 5-1 Pro blems Dur ing First Startu p Symptom Problem Solutions All LEDs, including SYS PWR LE ...
-
Cisco Systems 520 - page 55
5-3 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 5 Troubleshooting Problems After the Router Is Running Problems After the Router Is Running Ta b l e 5-2 lists problems that could occur after t he router has been up and running. No connection t o xDSL link. (The CD LED on the front panel is of f for a long time.) A ...
-
Cisco Systems 520 - page 56
5-4 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Chapter 5 Tro ubleshooting Problems After the Router Is Running Connect ion to the x DSL line is intermittent or lost. (The ADSL CD LED on the front panel i s off .) A cable-related problem: • Disconnec ted cable. • Damaged c able. • Check that the Ethernet p ort is no ...
-
Cisco Systems 520 - page 57
A-1 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 APPENDIX A Specifications This appendix pro vides system, port, and cabling spec ifications for the C isco Se cure Router 520 Series routers. It contains th e follo wing sections: • Router Specifi cations, page A-1 • LAN Port Pinouts, page A-2 • Console Connector Pinou ...
-
Cisco Systems 520 - page 58
A-2 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Appendix A Sp ecifications LAN Port Pinouts LAN Port Pinouts Ta b l e A-2 provides pinouts for the Eth ernet LAN port on the r outers. Ta b l e A -2 Ethernet LAN P ort Pinouts Pin Function 1 RX+ 2 RX– 3 TX+ 4 Unused 5 Unused 6 TX– 7 Unused 8 Unused Frequency 50 to 60 Hz ...
-
Cisco Systems 520 - page 59
A-3 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Appendix A Specifications Console Connector Pinouts Console Connector Pinouts Ta b l e A-3 provides pinouts for the co nsole connector (for connecti ng a terminal or PC). Ta b l e A -3 Console Conn ector Pinouts (RJ-45-to-DB-9) RJ-45 Pin Function DB-9 Pin 1 RT S 8 2 DTR 6 3 ...
-
Cisco Systems 520 - page 60
A-4 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 Appendix A Sp ecifications Cable Specificatio ns Cable Specifications This section provides specif i cation s for the followin g Ethernet cables, which you might need to provi de: • Straight-throu gh cable • Cr os sove r c a bl e Because of the autocrossover (autos ensin ...
-
Cisco Systems 520 - page 61
IN-1 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 INDEX Numerics 100BASE-T 1-9 10BASE-T 1-9 802.11b/ g integrated radio module 1-7, 1-8 specifications A-2 A AC adapter, connecti ng to router 4-12 AC input voltag e specifications, router A-1 ADSL connector pinouts A-3 ADSL-over-ISDN, port connecting 4-10 description 1-9 ADS ...
-
Cisco Systems 520 - page 62
Index IN-2 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 D damage to the router , preventing 2-3 desktop, placi ng router on 3-1 desktop mo unting 3-1 digital subscriber l ine access multiplexer See DSLAM dying gasp feature 1-8 E electrostatic damage, preventing 2-3 Ethernet port connecting to a PC 4-6 description 1-9 Ether ...
-
Cisco Systems 520 - page 63
Index IN-3 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 wall 3-2 O output voltage spec ifications, router A-2 P PC, connecting to rout er 4-6 pinouts ADSL connector A-3 console connector A-3 LAN port A-2 port ADSL-over-ISDN 1-9 ADSL-over-POTS 1-9 console 1-9 Ethernet 1-9 power problems 5-2 specifications router A-1 prevent ...
-
Cisco Systems 520 - page 64
Index IN-4 Cisco Secure Router 520 Series Hardware Installation Guide OL-12892-01 U unpacking the router 2-4 V verifying ro uter operations 4-16 W wall mounting 3-1, 3-2 warnings genera l 2-1 wireless routers 2-2 weight specifications, ro uter A-1 wireless routers description 1-7 integrated 80 2.11b/g radio module 1-7 workstation, connect ing to ro ...
Avez-vous une question à propos de Cisco Systems 520?
Utiliser le formulaire ci-dessous
Si vous n’avez pas résolu votre problème avec Cisco Systems 520, avec l'aide du manuel que vous avez trouvé, posez une question en utilisant le formulaire ci-dessous. Si un utilisateur a eu un problème similaire avec Cisco Systems 520 il est probable qu’il a envie de partager la façon de le résoudre.