Manuale d’uso / di manutenzione del prodotto 1500 del fabbricante Cisco Systems
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CHAPTER 1-1 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 1 Product Overview This chapter describes the Cisco Metro 1500 series metropolitan area network (MAN) dense wa velength di v.
Chapter 1 Product Overview Communication Channels 1-2 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 The Cisco Metro 1500 series operates using the International T elecommunication Union (ITU) wa velength grid of 200-GHz channel spacing.
1-3 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview Communication Channels Figure 1-1 sho ws the multiplex er architecture.
Chapter 1 Product Overview Communication Channels 1-4 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Primary and Extension Chassis The Cisco Metro 1500 series system has a modular structure so you can expand the system while it is in use.
1-5 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview Communication Channels Figur e 1 -2 T ypical Cisco Metr o 1500 Ser ies Configuration DC Input Uplink 6x .
Chapter 1 Product Overview Communication Channels 1-6 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Expansion Modules The Cisco Metro 1500 series system requires two identical WCMs to complete a full communications link, one at each end of the link.
1-7 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview Communication Channels Figur e 1 -4 Extension Chassis A Figur e 1 -5 Extension Chassis B WCM DEMI BSM MUX.
Chapter 1 Product Overview Communication Channels 1-8 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Figur e 1 -6 Extension Chassis C Figure 1-7 sho ws the rear view of the primary chassis and e xtension chassis.
1-9 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview Communication Channels Figur e 1 -7 Rear View of the Chassis Each chassis is deliv ered with one to eight WCMs, according to the conf iguration ordered. Each WCM provides the con version of the local or remote channels to their respectiv e wav elengths.
Chapter 1 Product Overview Communication Channels 1-10 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Each WCM has f iber-optic cables attached to its front panel. The remote lines of each WCM are connected to the MUX and DMX of the chassis.
1-11 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview Chassis frames constitutes a single unif ied network element with a unique Ethernet address. For more details, refer to the Cisco Metr o 1500 Series Softwar e Conf iguration Guide .
Chapter 1 Product Overview Chassis 1-12 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Figur e 1 -8 Outer Dimensions of the Housing Labeling A label at the back of the unit identif ies the system. Each WCM, RSM, and NEMI hav e unique serial numbers and specif ication codes printed on the front panels of the modules.
1-13 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview Chassis T able 1 -1 WCM Labels Main Properties Specif ication WCM with clock recov ery . The clock recov ery is f ixed to a single frequenc y as indicated belo w the symbol.
Chapter 1 Product Overview Chassis 1-14 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Airflow System The airf low system includes an air intak e at the bottom front side of the chassis and a fan module with two f ans at the rear of the chassis.
1-15 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules System Modules The Cisco Metro 1500 series system is a modular system, in which modules can be added or exchanged during operation. Y ou can adjust the system unit to meet your application requirements.
Chapter 1 Product Overview System Modules 1-16 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Wavelength Channel Modules T able 1-2 lists the sev en WCMs that are av ailable for the Cisco Metro 1500 series system, their part numbers, and their maximum remote receiv er (R/R) input power in decibels per milliwatt (dBm).
1-17 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules The status of recei vers and transmitters can be observ ed locally with SNMP-based network management tools. In addition, the front panel LEDs pro vide information on the operating status.
Chapter 1 Product Overview System Modules 1-18 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Data Rate Transparent Front Panel LEDs The WCM LEDs provide information about its operating status.
1-19 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules Only signals with the designated data rate can be transmitted within a guaranteed optical budget. Clock Recovery Front Panel LEDs The WCM LEDs provide information about its operating status.
Chapter 1 Product Overview System Modules 1-20 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Optical data that is sent by the module on the remote side enters the remote receiv er of the local system through the DMX. The data is then electrically transmitted to the local transmitter , which delivers the optical data.
1-21 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules Optical Connectors of the WCM Four optical connectors are located on the front panel of t.
Chapter 1 Product Overview System Modules 1-22 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Figur e 1 -9 Optical Connectors of a WCM Multiplexer and Demultiplexer Modules The Cisco Metro 1500 series system uses DWDM technology to con vert channels of optical communication into separate wa velengths of the ITU-T grid.
1-23 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules Figur e 1 -1 0 MUX and DMX Locations Optical Connectors of the MUX and DMX Each MUX and DMX has up to 10 optical connectors: • One input or output connector for each of up to eight WCMs installed in a chassis.
Chapter 1 Product Overview System Modules 1-24 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Figur e 1 -1 1 Pr imary Chassis MUX and DMX Connectors Band Splitter Module The Cisco Metro 1500 series system uses four channel groups consisting of eight channels of data communication.
1-25 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules The BSM is installed in chassis A to av oid service interruption on upgrading the unit to more than 16-channel WCM or 8-channel TDM4E, respectiv ely .
Chapter 1 Product Overview System Modules 1-26 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Figur e 1 -12 Optical Connectors of the BSM in a 32-Channel WCM S ystem Remote Switch Mod.
1-27 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules 50 ms. After switching, the former backup line, now the acti ve line, operates as the standard line and the broken line becomes the backup line.
Chapter 1 Product Overview System Modules 1-28 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Figur e 1 -13 RSM Optical Connect ors RSM Push Buttons and LEDs Three push buttons control the RSM. T able 1-5 lists each push button and its function.
1-29 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules Four LEDs indicate the status of the RSM. T able 1-6 describes these LEDs. Optical Connectors of the RSM T able 1-7 lists the six optical connectors of the RSM.
Chapter 1 Product Overview System Modules 1-30 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Modes of Operation The RSM supports two operation modes: automatic mode and lock mode. Automatic mode is the normal mode that enables the switching function of the RSM.
1-31 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules If line B is the active line and you lock the RSM on line B, no switching takes place. The communication is locked on line B. Any automatic switching to the backup line (line A) is stopped.
Chapter 1 Product Overview System Modules 1-32 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Note ESCON (Enterprise System Connection) is an IBM registered trademark. Each TDM4E contains four submodules (or interfaces) that guarantee optical receiving and transmission.
1-33 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules All TDM4Es can be replaced or added at any time during operation of the system. Setting up a communication link requires a pair of fully identical TDM4Es.
Chapter 1 Product Overview System Modules 1-34 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Figur e 1 -15 TDM4E Multiplexer Ar chitect ure TDM4E1 CH1 CH2 CH3 CH4 TDM4E2 CH5 CH6 CH7 .
1-35 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules Optical Connectors of the TDM4E On the front panel of the TDM4E there are 10 MiniSC type .
Chapter 1 Product Overview System Modules 1-36 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 TDM4E LEDs TheTDM4E LEDs provide information about its operating status. The Gigabit Ethernet connection is typically equipped on the remote recei ver side with a f ix ed clock rate of 1250 mbit/s.
1-37 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules LR1 Solid green Blinking green Data is receiv ed from a local port. Data rate matches clock frequency . Local port is enabled. Solid yello w Blinking yellow Data is receiv ed from a local port.
Chapter 1 Product Overview System Modules 1-38 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 The TDM4E channel modules are double width.
1-39 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules NEMI Location Placement The physical location of the NEMI module (either master or slav e) in the chassis is the same.
Chapter 1 Product Overview System Modules 1-40 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Figur e 1 -18 NEMI Fr ont Panel Pow e r Error Err .
1-41 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules NEMI LEDs T able 1-9 describes the functions of the LEDs shown in Figure 1-18. For more information about NEMIs, refer to the Cisco Metr o 1500 Series Softwar e Conf iguration Guide .
Chapter 1 Product Overview System Modules 1-42 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 The DEMI module in extension chassis A connects to the NEMI-master module in the primary chassis. The DEMI module in extension chassis C connects to the NEMI-slav e module in extension chassis B.
1-43 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Chapter 1 Product Overview System Modules Figure 1-20 shows the front panel of the DEMI. Figur e 1 -20 DEMI Fr ont Panel DEMI LEDs T able 1-10 describes the functions of the LEDs shown in Figure 1-20.
Chapter 1 Product Overview System Modules 1-44 Cisco Metro 1500 Series Hardware Installation Guide 78-10588-03 Ethernet Hub An Ethernet hub is necessary in systems consisting of more than two chassis. The hub is used to connect two or more NEMIs with each other and the Network Management System (NMS).
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 1500 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 1500 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco Systems 1500 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco Systems 1500 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco Systems 1500, 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 1500.
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 1500. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco Systems 1500 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.
