Manuale d’uso / di manutenzione del prodotto LightStream 2020 del fabbricante Cisco
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CHAPTER Hardware Installation 2-1 2 Hardw are Installation This chapter provides procedures for installing a LightStream 2020 multiservice A TM switch (LS2020 switch) in a networking en vironment.
2-2 LightStream 2020 Installation Guide Installing an LS2020 Switch in Rack Step 5 Inspect all external surfaces of the chassis for signs of damage. P ay special attention to areas of the chassis corresponding to visible damage to the shipping container .
Hardware Installation 2-3 Installing an LS2020 Switch in Rack Step 3 Remov e the following chassis components to reduce the weight of the system during installation. • Blo wers (top front and top rear) • Po wer supplies (right rear) These components are located behind remov able cov ers.
2-4 LightStream 2020 Installation Guide Installing an LS2020 Switch in Rack Figure 2-1 Front Vie w of LightStream 2020 Chassis H4812 ™ LightStream 2020 ESD jack Line cards Switch cards Line cards NP.
Hardware Installation 2-5 Installing an LS2020 Switch in Rack Figure 2-2 Rear View of A C-powered LightStream 2020 Chassis H4811 RX TX F A R O 4 RX TX F A R O 5 RX TX F A R O 6 RX TX 7 T1 CEMAC FEAC E.
2-6 LightStream 2020 Installation Guide Wiring a DC-Powered System Wiring a DC-P owered System The procedure in this section explains ho w to wire a DC-powered LS2020 switch to a DC po wer source. This task should be performed only by qualified service personnel or a licensed electrician.
Hardware Installation 2-7 Wiring a DC-Powered System Figure 2-3 Connections to DC-powered Chassis Wiring Procedure W arning The wiring task should be performed only by a licensed electrician or qualified service personnel. Untrained personnel may be exposed to hazardous DC v oltages.
2-8 LightStream 2020 Installation Guide Installing Fantails Step 7 Repeat the procedure abov e if the LS2020 switch contains a second DC power tray . Step 8 Observe the green po wer LED on the front of the po wer tray when power is applied. If the LED is not lit, check for incorrectly connected wires or problems in the DC po wer source.
Hardware Installation 2-9 Installing Fantails Figure 2-4 Fantail Cab le Connections F antail Installation Procedure T o install fantails in your LS2020 switch, perform the following steps: Note Before installing fantails, check the interface jumpers on each lo w-speed access card.
2-10 LightStream 2020 Installation Guide Connecting Cables Step 3 Attach the fantail cable(s) to the back of the fantail and the corresponding access card in the chassis.
Hardware Installation 2-11 Closing the Chassis Note For ease of maintenance, route cables at the back of the LS2020 chassis in a way that enables you to later remov e any access card without disconnecting cables attached to other access cards or fantails.
2-12 LightStream 2020 Installation Guide Applying System Power Figure 2-5 LightStream 2020 A C and DC P ower T rays Note When the LS2020 switch is powered up, the blo wers start running and the test and control system (TCS) applies po wer to the cards and initiates the power -on self test (POST) sequence.
Hardware Installation 2-13 Installing Modems Figure 2-6 LightStream 2020 P ower -up Sequence Installing Modems Y ou should install a modem for each switch card in the LS2020 chassis.
2-14 LightStream 2020 Installation Guide Basic LS2020 Configuration Tasks A modem attached to an LS2020 node must be a V .42 Hayes-compatible unit capable of operating at 2400 baud. The following modems are compatible with the LS2020 switch: • Zoom 9624V • Zoom FXV (FXV9624V) • Hayes SmartModem 2400 V .
Hardware Installation 2-15 Basic LS2020 Configuration Tasks Host Name Y ou must assign a unique host name to each LS2020 node. T ypically , a name can be chosen to reflect the node’ s geographic location (for example, T okyo2) or its function within an organization (for example, mfg3).
2-16 LightStream 2020 Installation Guide Basic LS2020 Configuration Tasks • Subnet mask for the NP’ s Ethernet address The subnet mask for the NP’ s Ethernet address specifies which portion of the IP address is the network number and which portion is the host ID.
Hardware Installation 2-17 Basic LS2020 Configuration Tasks For more information about trunk port configuration, refer to the LightStr eam 2020 Configuration Guide .
2-18 LightStream 2020 Installation Guide Basic LS2020 Configuration Tasks TCS hub<<A or B>> set <sa | sb> <console | modem> baudrate <rate> where: TCS hub<<A or B&g.
Hardware Installation 2-19 Basic LS2020 Configuration Tasks • Method 2, changing modem baud rate through use of r edundant components —W ith this method, the assumption is made that the local console terminal is not av ailable (for example, if a software installation or upgrade is being done remotely).
2-20 LightStream 2020 Installation Guide Basic LS2020 Configuration Tasks The switch card slots in the front of the LS2020 chassis are labeled A and B, as are the corresponding slots for the console/modem assembly bulkhead(s) in the rear of the LS2020 chassis.
Hardware Installation 2-21 Basic LS2020 Configuration Tasks Set the terminal to a new baud rate, using the order of precedence defined for the console port in the section abov e entitled “Setting Console/Modem Baud Rates through TCS Hub Commands. ” Step 5 Press Return on the terminal ke yboard.
2-22 LightStream 2020 Installation Guide Basic LS2020 Configuration Tasks Note This procedure assumes that you hav e already attached a terminal to the Release 2 switch card, as described in the preceding section entitled “Attaching a T erminal and Matching the Baud Rate.
Hardware Installation 2-23 Basic LS2020 Configuration Tasks Caution If you answer y (yes) to this query , the system overwrites the existing configuration files for this particular LS2020 node, effecti vely deleting the files. If configuration files are pr esent and you choose not to overwrite them, the setsnmpconfig script cannot continue.
2-24 LightStream 2020 Installation Guide Basic LS2020 Configuration Tasks making free block list making free inode list 54194 free blocks 3633 free inodes fsck /dev/sd0c (all sizes and block numbers i.
Hardware Installation 2-25 Basic LS2020 Configuration Tasks Step 3 Enter passwords for the four default login accounts for the LS2020 switch. F or each account, enter y , then enter the password twice.
2-26 LightStream 2020 Installation Guide Basic LS2020 Configuration Tasks If the network processor is attached to an Ethernet LAN, you will be asked to provide the IP address and IP subnet mask of the network processor’s on-board Ethernet LAN interface.
Hardware Installation 2-27 Basic LS2020 Configuration Tasks Configure the Chassis Secondary IP address (for use by a network processor while acting as backup). This address should be an address on the subnetwork connecting all network processors in your network.
2-28 LightStream 2020 Installation Guide Basic LS2020 Configuration Tasks On the other hand, if you wish to change any configuration data, answer “ N ” at the chassis and network processor information query and repeat this step in its entirety .
Hardware Installation 2-29 Basic LS2020 Configuration Tasks As with chassis information, if you answer N to the port confirmation prompt, you will be prompted to re-enter all the trunk port information, beginning with the “ Trunk Card Type .
2-30 LightStream 2020 Installation Guide Basic LS2020 Configuration Tasks Step 8 If you are installing a new LS2020 switch with tw o NPs, return to the earlier section “Connecting the T erminal to the NP. ” Repeat the configuration procedures from that point to configure the second NP for your LS2020 switch.
Hardware Installation 2-31 Basic LS2020 Configuration Tasks Configuring the Network The StreamV iew LS2020 configurator is used to create a global configuration database for your LS2020 network and to load appropriate configuration information into each LS2020 switch in the network.
2-32 LightStream 2020 Installation Guide Basic LS2020 Configuration Tasks If Y our PC Has One 1.44-MB Flopp y Disk Dr iv e T o copy each LS2020 software distribution disk ette, perform the following steps: Step 1 Insert the first distribution (source) disk ette into floppy disk driv e A.
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 LightStream 2020 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 LightStream 2020 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco LightStream 2020 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco LightStream 2020 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco LightStream 2020, 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 LightStream 2020.
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 LightStream 2020. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco LightStream 2020 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.
