Manuale d’uso / di manutenzione del prodotto Cisco 12404 del fabbricante Cisco Systems
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A-1 Cisco 12404 Internet Router Inst allation and Co nfiguration Guide OL-11636-01 APPENDIX A Technical Specifications Overview Appendix A pro vides the technical specif icatio ns for the Cisco 12404 Internet router , and procedures fo r repackaging the router .
Appendix A T echnical Specifications Product Architecture A-2 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 • V oltage frequency • Listing age ncy ap prov als Product Architecture Ta b l e A - 1 lists system lev el requirements for the Cisco 12404 Internet router .
A-3 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Product Architecture Specifications Ta b l e A - 2 lists Cisco 12404 Internet router phy sical specif ications. Ta b l e A - 3 lists the en vironmental specif ications.
Appendix A T echnical Specifications Product Architecture A-4 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 T able A -2 Cisco 12404 Inter net Router Physical Specifications Description V alue Frame height 8.75 inches (22.
A-5 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Product Architecture War ni n g Exhaust from other equipm ent vented directly into the Cisco 12404 Internet router air inlet may cause an over -heat condition.
Appendix A T echnical Specifications Product Architecture A-6 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Figur e A -1 AC P ow er Plugs Route Processor Each Cisco 12404 Internet router has one main system (or route) processor .
A-7 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Product Architecture Gigabit Route Processor This section provides an o verview of the GRP ( Fi gure A-2 ) and its use as the main system processor for the Cisco 12404 Internet router .
Appendix A T echnical Specifications Product Architecture A-8 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 The MBus connection allows the GRP to do wnload a system bootstrap image, collect or load diagnostic information, and perform general, internal system maintenance operations.
A-9 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Product Architecture The Cisco IOS software images t hat run the Cisco 12404 r ou.
Appendix A T echnical Specifications Product Architecture A-10 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 SRAM The SRAM provides secondary CPU cache memory .
A-11 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Product Architecture LED Types Ta b l e A - 6 describes the types of system status light emitting diod es (LED) used on the GRP .
Appendix A T echnical Specifications Product Architecture A-12 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Note EIA/TIA-232 was kno wn as recommended standard RS-232 before its acceptance as a standard b y the EIA/TIA.
A-13 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Product Architecture • Asynchronous serial ports Figur e A -3 P erfor mance Route Pr oce ssor The follo wing are primary functions of the PRP .
Appendix A T echnical Specifications Product Architecture A-14 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 The Cisco IOS software images t hat run the Cisco 12404 r o.
A-15 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Product Architecture SDRAM SDRAM—The SDRAM on the PRP stores routin g tables, protocols, an d network accounting applicatio ns; it also runs the Cisco I OS software.
Appendix A T echnical Specifications Product Architecture A-16 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 NVRAM The system configuration, software conf iguration reg.
A-17 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Product Architecture Ta b l e A - 9 lists the supported Flash disk sizes and their Cisco product numbers. PCMCIA Slots The PRP has two PCMCIA sl ots.
Appendix A T echnical Specifications Product Architecture A-18 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 LED Types Ta b l e A - 1 0 lists system status light emitti ng diodes (LED) used on the PR P . Asynchronous Serial Ports The PRP has two asynchronous ser ial ports, the console and auxili ary ports.
A-19 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Product Architecture Ethernet Port The PRP includes two Ethern et ports, both usin g an 8-pin RJ-45 receptacle for either IEEE 802.
Appendix A T echnical Specifications Product Architecture A-20 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Line cards inst alled in the Ci sco 12404 rout er support online i nsertion and remov al, w hich means you can remove and replace (hot-swappable) a line card while the router remains po wered on.
A-21 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Product Architecture MBus Module Port Pin Assignments T we nty general purp ose pins and four analog in put pins on the MBus mo dule are used for this design.
Appendix A T echnical Specifications Product Architecture A-22 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Scheduler The scheduler handles requests from the lin e cards for access to the CSF .
A-23 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Product Architecture Connect each A C PEM to a separate A C power source.
Appendix A T echnical Specifications Product Architecture A-24 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 A PFC allows the PEM to accept DC po wer source v oltage fr.
A-25 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Fan Tray Assembly Caution The DC PEM and DC PDU assembly weig hs 14.0 pounds (6.35 kg.). Use two hands when handlin g the po wer supply .
Appendix A T echnical Specifications Fan Tray Assembly A-26 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 War ni n g Allow sufficient air flow by maintaining 6 inches (15.
A-27 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Air Filter If the air temperature inside the RP and line card c age rises the system en vironmental monitor shuts do wn all internal power to pre vent equipment damage from excessi ve heat.
Appendix A T echnical Specifications Chassis Cable-Managemen t System A-28 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Chassis Cable-Management System The Cisco 12404.
A-29 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01 Appendix A T echnical Specifications Maintenance Bus directly from the po wer supply and pe rforms the func tions of po wer-up/do wn control, device discovery , c ode download, diagnostic s, and environmental monitoring and alarms.
Appendix A T echnical Specifications Maintenance Bus A-30 Cisco 12404 Internet Router Instal lation and Configuration Guide OL-11636-01.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Cisco Systems Cisco 12404 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Cisco Systems Cisco 12404 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco Systems Cisco 12404 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco Systems Cisco 12404 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco Systems Cisco 12404, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Cisco Systems Cisco 12404.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cisco Systems Cisco 12404. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco Systems Cisco 12404 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
