Manuel d'utilisation / d'entretien du produit CGS252016S8PC du fabricant Cisco Systems
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iii Cisco CGS 2520 Hardware Installation Guide 78-19377-02 CONTENTS Preface vii Related Publica tions i-viii Obtaining Documentation and Submitting a Serv ice Request i-viii CHAPTER 1 Product Overview.
Contents iv Cisco CGS 2520 Hardware Installation Guide 78-19377-02 CHAPTER 2 Switch Installation 2-1 Warnings 2-1 Installation Guidelines 2-3 Verifying Switch Operation 2-3 Installing the Switch 2-4 Mounting into a Rack 2-4 .
Contents v Cisco CGS 2520 Hardware Installation Guide 78-19377-02 CHAPTER 4 Troubleshooting 4-1 Diagnosing Problems 4-1 Switch POST Re sults 4-1 Switch LEDs 4-1 Switch Connections 4-2 Bad or Damaged C.
Contents vi Cisco CGS 2520 Hardware Installation Guide 78-19377-02 RJ-45 Console Port C-1 USB Console Port C-3 Installing the Cisco Microsoft Windows USB Device Drivers C-4 Installing the Cisco Micros.
vii Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Preface This guide descri bes the hardware features of the Cisco Connected Grid Switch (CGS) 2520 . It describes the physical and perf ormance characteristics of the switch, e xplains ho w to install it, and provides troubleshooting i nformation.
viii Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Preface Related Publications Related Publications http://www .cisco.co m/go/cgs2520_docs Note Before installing, conf iguring, or upgrading th e switch, see the rele ase notes on Cisco.com for the latest information.
CH A P T E R 1-1 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 1 Product Overview The Cisco CGS 2520 switches, also referred to as the switch , are Ethernet switches that you can connect dev .
1-2 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Produ ct Overview Cable Side Cable Side The 10/100 F ast Ethernet do wnlink ports in Figure 1-1 are grouped in pairs. The first member of the pair (port 1) is above the second member (port 2) on the left.
1-3 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Product Over view Cable Side Figur e 1 -2 Cisco CGS-2520- 16S-8PC Cable-Side View 10/100 Fast Ethernet Ports Y ou can set the 10/100 ports on the switch to operate in an y combinatio n of half duplex, full duple x, or 10 or 100 Mb/s.
1-4 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Produ ct Overview Cable Side PoE ports. When both the po wer su pply modules are installed, t he system has enough power t o support all the eight ports as PoE ports.
1-5 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Product Over view Cable Side For information about SFP modules, see your SFP module documentation and the Installing and Removing SFP Modules, page 2-19 .
1-6 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Produ ct Overview Cable Side Power-Input Terminal The po wer-input terminal provides scre w terminal s for the A C and DC po wer connections. Th e switch can operate with one or two po wer supplies.
1-7 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Product Over view Cable Side • USB mini-T ype B console port (5-pin connector); the USB connection uses a USB T ype A-to-5-pin mini-T ype B cable The USB console interface speeds are the sa me as the RJ-45 console interface s peeds.
1-8 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Produ ct Overview Cable Side Switch Panel LEDs Figur e 1 -6 Switc h LEDs (Cable Side) System LED 1 SYS (system) 9 OUT (alarm output) 2 CON (console) 10 PSU1 (po wer supply 1) 3 USB 11 PSU2 (po wer supply 2) 4 SD (SD flash memory card) 12 PoE 1 1.
1-9 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Product Over view Cable Side Power Supply Module LEDs The switch po wer supply modul e LEDs are labeled PSU1 and PSU2 (on the switch ) and PSU OK (on the power supply module). They sho w whether po wer supply modules 1 and 2 ar e receiving po wer .
1-10 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Produ ct Overview Cable Side Port LEDs RJ-45 ports and SFP-module slots ha ve port LEDs. Port LEDs, as a group or indi vidually , provide information abou t the switch and abo ut the indi vidual ports.
1-11 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Product Over view Power Supply Side SD Flash Memory Card The switch ships with the S ecure Digital (SD) flash memory card installed. See Figure 1-1 and Figure 1-2 . Y ou can remov e the card fro m a failed switch and install it i n a replacement switch.
1-12 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Produ ct Overview Power Supply Side Figur e 1 -8 Switc h with Bo th P ow er Supply Modules For a description of the PSU OK LED, see T a ble 1-4 on page 1-9 .
1-13 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Product Over view Management Options Power Supply Features The switch has two slots for po wer supply modules: • PWR-RGD-LOW -DC.
1-14 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 1 Produ ct Overview Management Options • Cisco Config uration Engine The Cisco Config uration Engine automates initial conf igurations and conf iguration updates.
CH A P T E R 2-1 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 2 Switch Installation This chapter contains t he steps to install the switch . Please read the topics and follo w the steps in t.
2-2 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Warnings War ni ng This unit is intend ed for installation in restricted acc ess areas. A restricted access area can b e accessed only through the use of a special too l, lock and key , or other means of security .
2-3 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installation Installation Guidelines War ni n g T o prevent airflow restriction, a llow clearance around the ven tilation openings to be at l east: 1.
2-4 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Installing the Switch Installing the Switch The follo wing installation in formation is co vered in this secti.
2-5 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installation Installing the Switch Figure 2-2 sho ws the 23-inch rack mounting brackets. Figur e 2-2 23-inch Mounting Brac k ets Figure 2-3 sho w s the ETSI rack mounting brackets.
2-6 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Installing the Switch Figur e 2-4 Attac hing Brac k ets f or 19-Inc h Racks 1 Mid-mount positi on 3 Cable-side.
2-7 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installation Installing the Switch Figur e 2-5 Attac hing Brac k ets f or 19-Inc h Racks Attaching Brackets for 19-I nch Rac.
2-8 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Installing the Switch Figur e 2-6 Inserting the Rubber Plugs 1 Rubber plug 3 Cable-side mounting posit ion 2 M.
2-9 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installation Installing the Switch Figur e 2-7 Inserting the Rubber Plugs Step 3 Use a scre wdri ver or pen to completely push in the rubber plugs. Figure 2-8 shows a close-up of the rubber plug and how they are inserted into the mount ing holes.
2-10 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Installing the Switch Figur e 2-8 Inserting th e Rubber Plugs (detail) Step 4 Install the brackets on both sides of the switch as sho wn in Figure 2-9 and Figure 2-10 .
2-11 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installation Installing the Switch Figur e 2-9 Attac hing Brac k ets f or 19-Inc h Racks 1 Mid-mount positi on 3 Cable-side.
2-12 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Installing the Switch Figur e 2-1 0 Attac hing Brac k ets f or 19-Inc h Racks Note For IP-30 compliance: If y.
2-13 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installation Installing the Switch Figure 2-1 1 Attac hing Brac k ets for 23-Inc h Racks Note For IP-30 compliance: If you use 23-inch brackets, you can insert the rubb er plugs in the same holes as sho wn in Figure 2-7 or Figure 2- 8 before installing the brackets.
2-14 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Installing the Switch Figure 2-12 Attac hing Brac k ets for ETSI Rac ks Note For IP-30 co mpliance: If you use ETSI b rackets, you can insert the rub ber plugs in the same holes as sho wn in Figure 2-7 or Figure 2 -8 before installing the brackets.
2-15 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installation Installing the Switch Mounting the Switch into a Rack After you attach the brack ets onto the switch, use the four supp lied number -12 Phillips machine scre ws to attach the brackets to the rack as shown in Figure 2-13 .
2-16 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Installing the Switch Wall-Mounting The follo wing step s are cov ered in thi s section: • Attaching Bracke.
2-17 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installation Installing the Switch Figur e 2-14 Attac hing 1 9-inch Rac k Br ack ets f or W all Mounting Wall-Mounting (for IP-30 Compliance) Follo w these steps to mou nt the switch onto a w all and conform to IP- 30 Compliance re gulations.
2-18 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Installing the Switch Figur e 2-15 Inserting the Rubber Plugs int o the S witch Holes Step 3 Install the brackets on bot h sides of the switch (see Figure 2- 16 ).
2-19 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installation Installing and Removing SFP Modu les Installing and Removing SFP Modules Small-form-fact or pluggable (SFP) modules provide th e uplink optical interfaces, laser send (TX) and laser recei ve (RX).
2-20 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Installing and Remo ving SFP Modules Figur e 2-1 7 Installing an SFP Module Removing SFP Modules This section describes ho w to replace small-form -factor pluggable (SFP) modules.
2-21 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installation Inserting and Removing the SFP Mo dule Patch Cable Figur e 2-18 Removing a Bale Clasp Latch SFP Module Step 5 Grasp the SFP module, and carefully remov e it from the slot .
2-22 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Replacing the SD Flash Memor y Card Figur e 2-20 Connecting T wo S witc hes with an SFP Modu le P atch Cable .
2-23 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installation Replacing the SD Flash Me mory Card Figur e 2-21 Loosening the Captiv e Scr ew Step 3 Pull the co ver open, and pul l the c ov er tabs from the hinge (see Figur e 2-22 ).
2-24 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Connecting Devices to the Ethernet Ports Figur e 2-23 Removing th e SD Flash Memory Card . Step 5 Push the replacement card (upside do wn) into the slo t , and press it firmly in place.
2-25 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installation Connecting De vices to the Ethernet Ports Connecting to the 10/100 and 10/100/1000 Ports The 10/100 and 10/100/1000 Eth ernet ports use standard RJ-45 connectors with Eth ernet pinouts.
2-26 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 2 Switch Installatio n Where to Go Ne xt Y ou can use this application to calc ulate the po wer su pply requirements for a specif ic PoE conf iguration. The results sho w output current, output po wer, an d heat dissipation.
CH A P T E R 3-1 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 3 Power Supply Installation This chapter describes ho w to remov e and install a ne w or replacement po wer supply . Y our switch ships with at least one installed po wer supply modul e (A C or DC, depending on your order).
3-2 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Powe r Supply Installation Power Supply Modu le Installation Figur e 3-1 PWR-RGD-A C-DC P ower Suppl y Module Figur e 3-2 PWR-RGD-L OW -DC P ow er Supply Module For a description of the PSU OK LEDs, see the Po wer Supply Module LEDs, page 1-9 .
3-3 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Power Supply Installation Power Supply Module Installation Installation Guidelines Observe these g uidelines when removi ng or installing a po wer su pply module: A power supp ly module that is only partial ly connected to the switch disrupts the system operat ion.
3-4 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Powe r Supply Installation Power Supply Modu le Installation – Ring terminal (such as T yco part number 2-34158-1 for 1 6 – 14 .
3-5 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Power Supply Installation Power Supply Module Installation Follo w these steps to install a dual -hole lug on the switch. Be sure to follo w any gro unding requirements at your site.
3-6 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Powe r Supply Installation Power Supply Modu le Installation Step 5 Use a ratcheting torque scre wdri ve r to tighten the ground scre ws to 30 in-l b (± 2 in-lb).
3-7 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Power Supply Installation Power Supply Module Installation Figur e 3-8 Insert the P o wer Supply Module Step 4 Use a ratcheting torque scre wdri ver to torq ue each screw to 8 –10 in-lb .
3-8 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Powe r Supply Installation Power Supply Modu le Installation Figur e 3-9 Opening the P o wer -Input T er minal Cover The terminal screws labels are on the power -input termin al cover (see Figure 3 -10 ).
3-9 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Power Supply Installation Power Supply Module Installation Note The power supp ly module 1 connection is labeled PSU 1, and the po wer supply module 2 connection is labeled PSU2. Make sure that you connect the wires to t he correct terminal scre ws.
3-10 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Powe r Supply Installation Power Supply Modu le Installation Figur e 3-12 Cr imping the Spade T er minal Lug Step 6 Loosen the ter minal screw , and slide t he terminal under the screw and w asher (see Figure 3-13 and Figure 3-14 ).
3-11 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Power Supply Installation Power Supply Module Installation DC power connection: Connect the positi v e wire into the terminal scre w labeled +, and the ne gati ve wire in to the terminal scre w labeled – .
3-12 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Powe r Supply Installation Removing the Powe r Supply Module Removing the Power Supply Module The po wer supply modules are hot-swappable. By re mo ving the po wer supply modules, you can po wer of f the switch without d isconnect the wiring from th e po wer-i nput terminal.
3-13 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Power Supply Installation Removing the Power Supply Module Caution T o pre vent exposure to hazardous v oltages and to co ntain el ectromagnetic interf erence (EMI), either a po wer supply module or a bl ank cov er must be in each po wer supply m odule slot at all times.
3-14 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 3 Powe r Supply Installation Removing the Powe r Supply Module.
CH A P T E R 4-1 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 4 Troubleshooting This chapter contains the following topics: • Diagnosing Problems, page 4-1 • Resetting the Switch to the .
4-2 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 4 Tro ubleshooting Diagnosing Prob lems Switch Connections Bad or Damaged Cable Always e xamine the cable for marginal damage or fa ilure.
4-3 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 4 Troubleshooting Diagnosing Problems • V erify the status of all po rts. See T able 1-8 on page 1-10 for descriptions of the LEDs and their meanings. • Use the show interfaces pri vileg ed EXEC command to see if the port is error -disabled, disabled , or shut down.
4-4 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 4 Tro ubleshooting Diagnosing Prob lems Spanning Tree Loops STP loops can cause serious performan ce issues that look like po rt or interface probl ems. A unidirectional link can cause loops.
4-5 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 4 Troubleshooting Resetting the Switch to th e Factory Default Settings Resetting the Switch to the Factory Default Settings Follo w these steps to return yo ur switch to the factory def ault settings.
4-6 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Chapter 4 Tro ubleshooting Finding the Swit ch Serial Numbe r.
A-1 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 APPENDIX A Technical Specifications This appendix contain s the follo wing topics: • Switch Specifications, page A-1 • Po wer Supply Modu.
A-2 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix A Tec hnical Specificatio ns T able A -2 Specifications for the Cisco CG S-2520-16S-8PC Switc h (PWR-RGD-A C-DC) Power Requirements .
A-3 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix A Technical Specifications Pow er consumption with two PWR-RGD-LO W -DC po wer -supply modules 37.1W , 127 BTU per hour , po wer rating 0.037 KV A @ 24Vdc Pow er consumption with two PWR-RGD-LO W -DC po wer -supply modules with 8 ports PoE 181.
A-4 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix A Tec hnical Specificatio ns Power Supply Module Specifications T able A -6 Envir onmental and Ph ysical Spec ifications for th e AC.
B-1 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 APPENDIX B Connector and Cab le Specifications This appendix contain s the follo wing topics: • Connector Specif ications, page B-1 • Cab.
B-2 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix B Connec tor and Cable Specific ations Connector Specifications When connecting 10/100 ports to de vices such as serv ers, workstations, and rout ers, you can use a two or four twisted-pair str aight-through cable wired f or 10B ASE-T and 100B ASE-TX.
B-3 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix B Connector and Cable Specifications Connector Specifications Dual-Purpose Ports The 10/100/1000 Ethernet port s on the dual-purpose ports use RJ-45 connecto rs. Figure B-3 1 0/1 0 0/1 00 0 P ort Pinouts Alarm Port The alarm port uses an RJ-45 connector .
B-4 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix B Connec tor and Cable Specific ations Cables and Adapters Cables and Adapters • SFP Module Cables, page B-4 • Cable Pinouts, pa.
B-5 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix B Connector and Cable Specifications Cables and Adapters 100B ASE-LX (GLC-FE-100L X) 1310 SMF G .652 2 — 32,810 feet (10 km) 100B ASE-BX (GLC-FE-100B X-D GLC-FE-100B X-U) 1310 TX 1550 RX SMF G.
B-6 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix B Connec tor and Cable Specific ations Cables and Adapters Note When the fiber -optic cable span is l ess than 15.
B-7 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix B Connector and Cable Specifications Cables and Adapters Figure B-6 T wo T wisted-P air Cr ossov er Cable Schematic for 1 0/1 0 0 P .
B-8 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix B Connec tor and Cable Specific ations Cables and Adapters Figure B-9 Identifying a Crosso ver Cable Console Port Adapter Pinouts The console port uses an 8-pin RJ-45 connector, wh ich is described in Ta b l e B - 2 and Ta b l e B - 3 .
B-9 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix B Connector and Cable Specifications Cables and Adapters T able B-3 Console P ort Signal ing Using a DB-25 A dapter Switch Console P.
B-10 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix B Connec tor and Cable Specific ations Cables and Adapters.
C-1 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 APPENDIX C Configuring the Switch with the CLI Setup Program This appendix provides a command-line interface (CL I) setup procedure for a standalone sw itch. T o set up the switch by using Express Setup, see the Cisco CGS 2520 Getting Started Gui de .
C-2 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix C Con figuring the Switch w ith the CLI Setup Prog ram Accessing the CLI Thr ough the Console Por t Figure C-1 Connecting the Consol.
C-3 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix C Configuring t he Switch with the CLI Setup Program Accessing the CLI Throug h the Console Port USB Console Port Step 1 If you are con necting the sw itch USB consol e port to a W indows-b ased PC for the f irst time, install a USB driv er .
C-4 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix C Con figuring the Switch w ith the CLI Setup Prog ram Accessing the CLI Thr ough the Console Por t Step 5 Config ure the COM port.
C-5 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix C Configuring t he Switch with the CLI Setup Program Accessing the CLI Throug h the Console Port Step 5 The InstallShield W izard Comp leted windo w appears. Click Finish. Step 6 Connect the USB cable to the PC and to the switch console port.
C-6 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix C Con figuring the Switch w ith the CLI Setup Prog ram Entering the Initial Con figuration Information Using the Setup.exe Program Note Disconnect the switch console termin al before uninstalling the driv er .
C-7 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix C Configuring t he Switch with the CLI Setup Program Entering the Initial Configuration Information • Enable password • T elnet .
C-8 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 Appendix C Con figuring the Switch w ith the CLI Setup Prog ram Entering the Initial Con figuration Information Step 8 Configure the interface by entering the switc h IP address and subnet mask and pressing Return .
IN-1 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 INDEX Numerics 10/100/1000 p orts 1-10, B-3 recommended cables 2-24 10/100 ports described 1-3 10/100 ports PoE 1-3 A adapter pinouts, termi.
Index IN-2 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 RJ-45 console port 1-6 USB console port 1-6 crossover cable pinout four twisted-pair, 1000BASE-T p orts B-7 D device ma nager describe.
Index IN-3 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 P pinouts 10/100 ports B-2 console port B-9 crossover cables four twisted-pair, 1000BASE-T p orts B-7 two twisted-pair 10/ 100 ports B.
Index IN-4 Cisco CGS 2520 Hardware Installation Guide 78-19377-02 See SNMP SNMP network management platforms 1-14 software switch management 1-13 specifications A-1 to A-4 speed troubleshooting 4-4 st.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Cisco Systems CGS252016S8PC c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Cisco Systems CGS252016S8PC - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Cisco Systems CGS252016S8PC, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Cisco Systems CGS252016S8PC va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Cisco Systems CGS252016S8PC, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Cisco Systems CGS252016S8PC.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Cisco Systems CGS252016S8PC. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Cisco Systems CGS252016S8PC ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
