Cisco SystemsメーカーCisco 12404の使用説明書/サービス説明書
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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.
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