Manuale d’uso / di manutenzione del prodotto AS5800 del fabbricante Cisco Systems
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CHAPTER 3-1 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 3 Channelized T3 Trunk Card The Cisco AS5800 uni versal access serv er supports a channelized T3 (CT3) ingress interface that provides asynchronous aggre gation of channelized interfaces and multiple xing on a single T3 facility .
3-2 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card CT3 Trunk Card Overview Figur e 3-1 CT3 T r unk Car d Each CT3 trunk card performs the following functions: • Provides physical termination for as man y as 672 sessions.
3-3 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card CT3 Trunk Card Overview • Processes counting information for performance monitoring.
3-4 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card CT3 Trunk Card Overview Clocking All Cisco AS5800 access server trunk cards use the same transmit clock.
3-5 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card CT3 Trunk Card Overview Figur e 3-3 CT3 T r unk Card Fr ont P anel LED and Alphanumer ic Indicators T able 3-1 lists the CT3 trunk card LEDs and their functions.
3-6 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card CT3 Trunk Card Overview Trunk Card Connectors The CT3 front panel is designed with two types of cable connectors (see Figure 3-4). The BNC connectors are used to connect the cables carrying the T3 signals.
3-7 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card Using the Test Port Figur e 3-4 CT3 T r unk Card Fr ont P anel Connectors Cables The CT3 trunk card receiv es and transmits 45 Mbps signals through a 75-ohm cable, using common BNC coaxial cable connectors (see Figure 3-5).
3-8 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card Using the Test Port Trunk Card Bantam Jacks The test port is a set of bantam jack connectors located at the bottom of the CT3 front panel (see Figure 3-4).
3-9 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card Using the Test Port Monitor Mode T o monitor a particular T1 line at the test port, follo .
3-10 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card Using the Test Port Specifications T able 3-2 lists the CT3 trunk card specif ications.
3-11 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card Using the Test Port Figur e 3-6 CT3 T r unk Card BNC Cable Connections Step 2 Attach the network end of your CT3 cable to your external netw ork.
3-12 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card Configuring the CT3 Trunk Card T o complete the hardware installation, v erify that the trunk card LEDs operate properly by observing the following LED states: • The power LED is ON.
3-13 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card Configuring the CT3 Trunk Card T able 3-3 T3 Configuration Commands Command Description Step 1 AS5800> enable Password: password AS5800# Enter the enable command.
3-14 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card Configuring the CT3 Trunk Card T o verify your softw are conf iguration, you can enter show commands to display clock ( show dial-shelf clock ) and controller ( show controller t3 ) settings.
3-15 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card Configuring the CT3 Trunk Card AS5800# show controller t3 T3 1/0/0 is up. Applique type is Channelized T3 No alarms detected. FEAC code received: No code is being received Framing is M23, Line Code is B3ZS, Clock Source is Line.
3-16 Cisco AS5800 Universal Access Server Dial Shelf Card Guide 78-7097-03 Chapter 3 Channelized T3 Trunk Card Configuring the CT3 Trunk Card A typical T3 controller conf iguration in a running-conf i.
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 AS5800 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 AS5800 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco Systems AS5800 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco Systems AS5800 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco Systems AS5800, 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 AS5800.
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 AS5800. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco Systems AS5800 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.