Manuale d’uso / di manutenzione del prodotto SMC8848M del fabbricante SMC Networks
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T igerStack II 10/100/1000 Gigabit Ether net Switch ◆ 24/48 au to-MDI/MDI-X 10 /100/1 000B ASE-T po rts ◆ 4 RJ-45 ports shared with 4 SFP tra nscei v er slot s ◆ 2 10GB ASE extender module slots.
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38 T esla Irvine, CA 9261 8 Phone: (9 49) 679-80 00 T igerStack II 10/100/1000 Installation Guide From SMC’ s T iger l ine of feat ure-rich w orkgroup LAN solutio ns February 2006 Pub.
Information fu rnished by SM C Netw orks , Inc . (SMC) i s believ ed to be accurate and re liable. How ever , no respon sibility is assumed by SMC for it s use, nor for an y infring ements o f patents or o ther rights o f third par ties which may res ult from i ts us e.
i L IMITED W ARRANTY Limited W arranty Statement: SM C Networks, Inc. (“SMC ”) warr ants its p roducts to be free from defect s in work manship and materials , under normal use and service, for the applicable wa r ranty term .
ii WARRA NTIES EXCLUSIV E: IF AN SMC PR ODUCT DOES NOT OPERA TE AS W ARRANTED ABO VE, CUSTOMER’ S SOLE REMED Y SHALL BE REP AIR OR REPLA CEMENT OF THE PRODUCT I N QUESTION , AT SMC’S OPTI ON .
iii C OMPLIANCES FCC - C lass A This equipment has been tested and found to comply with the lim its fo r a Clas s A di gital device, pursuant to part 15 of the FCC Rules . T hese limits are designed to provide reasonable protection against har mful interference when the equipment is operated in a commercial envi ronment.
C OMPLIANCES iv CE Mark Declaratio n of Confor mance for EMI and Safety (EEC) SMC contact for these products i n Europe is: SMC Networks Europe , Edif icio Conat a II, Calle Fr uctuós Gelabe rt 6-8 , 2 o , 4 a , 08970 - Sant J oan Despí, Barcelona, Spain.
C OMPLIANCES v Australia A S/NZS 3548 (1995) - Clas s A SMC contact for product s in Austr alia is: SMC Communicati ons Pty . Ltd. Suit e 18 , 12 T r yon Roa d, Lindfield NSW2070, Phone: 61-2-94160437.
C OMPLIANCES vi • This unit operates under SE LV (Safety Extra Low Voltage) condit ions according to IEC 60950. The conditions are onl y maintained if the equipment to which it is connected also operates under SE LV conditions. F rance and Peru only This unit cannot be po wered from IT † supplies .
C OMPLIANCES vii V euillez lire à fond l'inform ation de la s écurité suiv ante av ant d'installer le Switch: A VERTISSEMENT : L’installation et la dépose de ce g roupe doiv ent être confiés à un personnel qualif ié.
C OMPLIANCES viii Bitte unbedingt v or dem Einbauen des Switches die folgenden Sicherheitsanweisungen dur chlesen: WARNU NG: Die Installation und der Ausbau des Geräts darf nur durch F achpersonal erfolgen. • Das Gerät sollte nicht an eine unge erdete Wechs elstromst eckdose an geschlosse n werden.
C OMPLIANCES ix W ar nin gs and Cautionar y Messa ges Wa r n i n g s (in Ge r man) En vironmental Statem ent The manufacturer of this product ende avours to sustain an envi ronmentally-friendly poli cy throughout the e ntire production process .
C OMPLIANCES x End of Product Life Span This p roduct is manufac tured in such a way as to allow for the reco very and dispos al of all included elec trical components once the product has reached the end of its life . Manufacturing Materials There are no hazardous nor oz one-depleting materials in this pr oduct.
xi T ABLE OF C ONTENTS 1 About the TigerStack II 10/100/1000 . . . . . . . . . . . . . 1-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Switch Ar chitecture . . . . . . . . . . . . . . .
T ABLE OF C ONTENTS xii Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Rack Mount ing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Desktop o r Shelf Mount ing .
T ABLE OF C ONTENTS xiii A PPEN DICES : A Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Diagnosing Sw itch Indicator s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Diagnosing P ower Problems w ith the LEDs .
T ABLE OF C ONTENTS xiv Glossary Index.
xv T ABLES Table 1-1 Port Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Table 1-2 System Sta tus LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Table 1-3 Module LEDs . . . . . . . . .
xvi F IGURES Figure 1-1 Front Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Figure 1-2 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Figure 1-3 Port LEDs . . . . . . . . . .
1-1 C HAPTER 1 A BOUT THE T IGER S TACK II 10/100/1000 Overview SMC’ s Tig erStack II 10/100/ 1000 SMC8824M and SMC8848M are intelligent multilayer switches (Laye r 2, 3) with 24/48 10/100/ 1000B ASE-T por ts , four of which are combination ports * that are shar ed with four SFP transcei ver slots (see Figure 1-1, P orts 21-24/45-48).
A BOUT THE T IGE R S TACK II 10/1 00/10 00 1-2 These swi tches ca n be used to au gment or completel y replace s low legacy routers , off-loading local IP traffic to release valuable reso urces for non-IP routing or W AN access .
D ESCRIPTION OF H ARDW AR E 1-3 These switc hes includ e built-in sta cking ports that enable up to eight units to be conn ected tog ethe r through a 4 8 Gbps stack backpla ne . T he switch stack ca n be manag ed fr om a master unit us ing a single I P address .
A BOUT THE T IGE R S TACK II 10/1 00/10 00 1-4 SFP Slots The Small F or m Fact or Plugg able (S FP) transcei v er slots are shar ed with four of the RJ-45 ports (port s 21-24 for the SMC8824M and ports 45-48 for the SMC8848M).
D ESCRIPTION OF H ARDW AR E 1-5 Port and System Status L EDs These switches i nclude a dis play pan el for ke y syst em and port indicati ons tha t simpl ify i nstal latio n and netw ork troub lesho oting . The LEDs , whic h are lo cated on th e front panel for easy viewing, are sho wn below an d described in the following tables.
A BOUT THE T IGE R S TACK II 10/1 00/10 00 1-6 Figure 1-4 System LEDs Table 1-2 System Status LEDs LED Condition Status Power Green Internal power is operating normally. Amber Internal power supply fault. Off Power of f. Diag Flashing Gre en System se lf-diagnosti c test in progress.
D ESCRIPTION OF H ARDW AR E 1-7 Stack Master Gr een Swi tch i s the Master unit of th e st ack. Stat e may include topol ogy discovery, IP assignment , or norma l operations. Flashing Green Switch is the Maste r unit of the stack, sy stem is initiali zing.
A BOUT THE T IGE R S TACK II 10/1 00/10 00 1-8 Optional Redundant Power Supply SMC sup ports an optiona l Redundant Power Supply (RPS), that can supply power to the switch in the event the inter nal power supply fails. Power Supply Sockets There are t wo p ow er soc kets on the r ear panel o f each switc h.
F EATURES AND B ENEFITS 1-9 Extender Module LEDs The opt ional 10GB ASE slide-in module includes its own integ rated LED indicat ors on the mo dule’ s fr ont pan el.
A BOUT THE T IGE R S TACK II 10/1 00/10 00 1-10 • Provides stacking capability via high-s peed serial ports with 48 Gb ps stacki ng bandw idth. Up to 8 unit s can be st acked toget her. Expandability • Su pports 1000BASE -SX, 1000BASE-LX and 1000BASE-ZX SFP transceivers.
2-1 C HAPTER 2 N ETWORK P LANNING Introduc tion t o Switchi ng A network switch allows s imultaneous transmission of multiple packets via non-cros sbar switching . T his means that it ca n partit ion a netw ork more effici ently th an brid ges or routers .
N ETWORK P LANNING 2-2 Application Ex amples The Tige rStac k II 10/100/1000 is not only designed to segment y our network, but a lso to prov ide a wide rang e of opt ions in sett ing up net work conne ctions and linking V LANs or IP su bnets. Some typical a pplication s are de scribe d below .
A PPL ICAT ION E XAM PLES 2-3 Network Aggregation Plan With 24 or 48 parallel bridging po rts (i.e., 24 or 48 distinct collisio n domains), a Gig abit switch st ac k can collap se a complex network down into a singl e effici ent br idged node , increasi ng o veral l band width and throughput .
N ETWORK P LANNING 2-4 Remote Connections with Fiber Cable Fiber op tic techn olog y allows for long er c abling than any o ther med ia type. A 1000BASE-SX (MMF) link can connect to a site up to 550 meters away , a 1000B A SE-LX (SMF) link up to 5 km, and a 1 000B A SE-ZX link up to 100 km.
A PPL ICAT ION E XAM PLES 2-5 Makin g VLAN Connect ions Th ese swit ches suppor t VL ANs which c an be use d to org ani ze any gr oup of net w ork nod es into se parate broadc ast domain s . VL ANs con fine broadc ast traffic to th e originat ing g roup , and can e l imin ate broad cast stor ms in large networks .
N ETWORK P LANNING 2-6 Applicati on Notes 1. Full-duplex operation on ly applies to point-to -point access (such as when a switc h is attached to a works tation, ser v er or another switch). When the switc h is con nected t o a hub , both device s must opera te in half-duplex mode.
3-1 C HAPTER 3 I NSTALLING THE S WITCH Selecting a Site TigerStack II 10/100/1000 units can be mounted in a standard 19-inch equipment rack or on a f lat surface. Be sure to follo w the guidelines below when c hoosing a locat ion. •T h e s i t e s h o u l d : - be at the center of all the de vices you wa nt to lin k and near a po wer outlet .
I NS TALL I NG THE S WITCH 3-2 Ether net Cabli ng T o ensure prop er operation when installing the switches into a network, make sure tha t the current cables are suitab le for 10B ASE-T , 100B ASE-TX or 1000BASE-T operation.
E QUIPMENT C HECKLIST 3-3 Equipm ent Ch ecklis t After unpacking the TigerStack II 10/100/1000 unit, check the contents to be sure you ha ve recei ved all t he componen ts . Then, befor e beginn ing the installation, be sure you have all other necessar y installation equipment.
I NS TALL I NG THE S WITCH 3-4 Mountin g A TigerStack II 10/100/1000 unit can be mounted in a standar d 19-inch equipmen t rack or on a desktop or s helf .
M OUNTING 3-5 T o ra ck-mount de vices: 1. Attach th e brack ets to th e device u sing the s crews pr ovide d in the Bracket Mounting K it. Figure 3-2 Attaching the Brackets 2. Mount the device in the ra ck, using four rack-mount ing screws (no t provided ).
I NS TALL I NG THE S WITCH 3-6 3. If installing a single switch only , turn to “ Connecting to a P ower Sour ce” at t he end o f this chapter. 4. If installing multiple swit ches , moun t them in the rack, one below the other, in any or der . 5. If also installing an RPS , mount it in th e rack belo w the othe r devices .
I NSTALLING AN O PTIONAL M ODULE INTO THE S WITCH 3-7 Installi ng an Optional Module into the Switch Figure 3-5 Install ing an Optional Module Note: The slide-in modules are ho t-swappa ble, you do no t need t o powe r off the switch before installing or removing a module.
I NS TALL I NG THE S WITCH 3-8 6. The Module LED on the swit ch’ s f ront pa nel sh ould tu r n green t o confir m that the module is cor rectly installed and ready to use.
C ONNECTING S WITCHE S IN A S TACK 3-9 3. Slide the transceiver into the slot until it clicks into place. Note: SFP and XFP tra nsceivers are h ot-swappab le. The s witch d oes not need to be powered off before inst alling or removing a transceiver. However , always fir st disco nnect the networ k cable b efore removing a transceiver.
I NS TALL I NG THE S WITCH 3-10 4. (Optional) T o form a wr ap-around topo log y , plug one end of a sta ck cable into th e Down port on the bot tom unit an d the o ther end into the Up por t on the top uni t. Figure 3-7 Making Stacking Connections 5.
C ONNECTING S WITCHE S IN A S TACK 3-11 Stacking Topologies All units in the stack must be conn ected via stacking cable. Y ou can connec t units in a simple cascade c onfigurat ion, co nnectin g Do wn ports to Up por ts , from the top unit t o the botto m unit.
I NS TALL I NG THE S WITCH 3-12 Connect ing to a Power Source T o connect a device to a po wer sourc e: 1. Insert the pow er cable pl ug direct ly into the soc ket locat ed at the b ack of the devi ce. Figure 3-8 Power Socket 2. Plug the oth er end of the ca ble int o a grounded, 3 -pin, A C po wer sourc e.
C ONNECTING TO THE C ONSOLE P ORT 3-13 Connect ing to the Co nsole Po rt Th e RJ-45 seria l por t on the switch’ s fr ont panel is used to co nnect to the switc h for out-of -band cons ole conf igurati on. The on-bo ard conf iguratio n prog ram can be ac cessed from a ter mina l or a PC r u nning a t er mina l emu lation p rogram.
I NS TALL I NG THE S WITCH 3-14.
4-1 C HAPTER 4 M AKING N ETWORK C ONNECTI ONS Conne cting N etwork Devices The Tige rStac k II 10/100/1000 units are designed to interconnect multiple segments (or collision domains ). It can be conn ected to network cards i n PCs and se r ver s, as wel l as to hub s, s witch es or rout ers .
M AKIN G N ETWORK C ONNECTIONS 4-2 Connecting to PCs, Ser vers, Hubs and Switches 1. Atta ch one end of a twi sted-pa ir cabl e segme nt to th e devic e’ s R J-45 conne ctor.
T WISTED -P AIR D EVIC ES 4-3 Network Wiring Connections T oday , t he punc h-down b loc k is an in tegral part of ma ny of th e newe r equipm ent racks. It is actually pa rt of the patch pa nel. Instr uction s for making connec tions in th e wiring closet with this type of eq uipme nt follows .
M AKIN G N ETWORK C ONNECTIONS 4-4 Fiber Optic SFP Devices An optional Gigabit SFP transceiv er (1000BASE-SX, 1000B ASE -LX or 1000B ASE-ZX) can be used for a backbone connectio n between switches , or for co nnect ing to a high-spe ed ser ver.
10 G BPS F IBE R O PTIC C ONNECTIONS 4-5 3. Connect one en d of the cable t o the LC po rt on the switc h and the other end to the LC port on the ot her device . Since LC con nectors ar e ke yed, the cab le can b e attac hed in only on e orien tation.
M AKIN G N ETWORK C ONNECTIONS 4-6 Warnin g: These switches us e lasers to tra nsmit signa ls over fiber opt ic cable. The lasers are compli ant with t he requirem ents of a Class 1 Laser Product and are inh erently eye safe in normal operat ion. How ever, you should ne ver look directly at a transmit port wh en it is powered on.
10 G BPS F IBE R O PTIC C ONNECTIONS 4-7 Figure 4-4 Connecting to an XFP Transceiver 4. As a connection is made , chec k the Link LED on th e module to be sure that the connection is valid. The 10G fiber op tic ports o perate at 1 0 Gbps f ull duplex .
M AKIN G N ETWORK C ONNECTIONS 4-8 Connect ivity Rule s Whe n adding hubs (re peat ers) to your network, ple ase follow the connec tivit y r ules l isted in the manuals for thes e produc ts .
C ONNECTIVITY R ULES 4-9 1000 Mbps Gigabit Ethernet Collisi on Domain Table 4-2 Maximum 10GBASE-LR 10 Gigabit Eth ernet Cable Length Fiber Size Fiber Bandwidth Maxi mum Ca ble Lengt h Connector 9/125 micr on single-mode fi ber N/A 10 km (6.
M AKIN G N ETWORK C ONNECTIONS 4-10 100 Mbps Fast Ethernet Collision Domain 10 Mbps Ethernet Collision Domain Table 4-7 Maximum 1000BASE-ZX Fiber Optic Cable Length Fiber Diameter Fiber Bandw idth Cable Length Range Connector 9/125 micr on single-mode fi ber N/A 70* - 100 km (43.
C ABL E L ABELING AND C ONNECTION R ECOR DS 4-11 Cable Labe ling and Conne ction Recor ds When plannin g a netw ork installatio n, it is essential to label th e opposing ends of cables and to record where each cable is connected.
M AKIN G N ETWORK C ONNECTIONS 4-12.
A-1 A PPENDI X A T ROUBLESHOOTING Diagnosi ng Switch Indica tors Table A-1 Troublesho oting Chart Symptom Action Power LED is Off • Check con nections between the switch, the power cord, and the wall outlet. • Contact your dea ler for assistance. • Contact SMC Technical Support.
T R OUBLESHOOTING A-2 Diagnosing Power Problems with th e LEDs The Po we r and RPS LEDs w ork in combination to indicat e pow e r status as follows . Stack Link LED is Flashing Gre en/Amber • The uplink /downlink has fai led. • For the indicate d stack link, check that the sta cking cables are pr operly connected.
P OWER AND C OOLING P RO B LE MS A-3 Power and Cooling Problems If the power indi cator does not tur n on when the power cord is pl ug ged in, you m ay ha ve a p roblem wi th the p ow er outl et, po wer c ord, or internal power supply .
T R OUBLESHOOTING A-4 Stack Troubleshooting If a stack fails to initialize or function , first check the following items: • Ch eck that all stacking cables are properly connected. • Ch eck if any stac ki ng cabl es appear damag ed. • Ch eck that only one Stack Mast er butt on is pr essed in.
B-1 A PPENDIX B C ABLES Twiste d-Pair Ca ble and Pin A ssignments F or 10B ASE-T/100BASE-TX connections , a twisted-pair cable must have two p airs of wires . F or 1000B A SE-T connections the twisted-pair cable must hav e four pair s of wires . Eac h wire pair is id entified by tw o different color s .
C ABL ES B-2 10BASE-T/100BASE-TX Pin Assign ments Use unshielde d twisted-pair (UTP) or s hielded twisted-pa ir (STP) cable for RJ-45 connections: 100-ohm Categor y 3 or better cable for 10 Mbps connections , or 100-ohm Catego ry 5 or better cable fo r 100 Mbps connec tions .
T WISTED -P AIR C ABL E AND P IN A SSIGNMENTS B-3 Straight-Through W iring If the twiste d-pair cable is to join two por ts and on ly one of the por ts has an inter nal cross ove r (MDI-X ), the two pairs of w ires must be strai ght-thr ough.
C ABL ES B-4 Crossov er Wiring If the t wisted-pa ir cable is to jo in two port s and eithe r both por ts ar e labeled with an “X” (in dicating MDI-X ) or neither port is labeled with an “X” (whic h indicates M DI), a cr ossov er m ust be implemen ted in the wiring .
T WISTED -P AIR C ABL E AND P IN A SSIGNMENTS B-5 1000BASE-T Pin Ass ignments All 1000B A SE-T ports suppor t automatic MDI/MDI-X operation, so you can use strai ght-t hrough cab les for all netw ork connect ions to PCs or servers , or to othe r switches or hubs .
C ABL ES B-6 Note that when tes ting your cable installation, be sure to inc lude all patch cables betwee n switc hes and en d devices . Adjusting Exis ting Category 5 Cabling to Run 1000BASE-T If y o.
C-1 A PPENDIX C S PECIFICATIONS Physical Chara cteristics Po r t s SMC8824M 20 10/100/1000B ASE-T , with auto-nego tiation 4 10/100/1000B ASE-T shared with 4 SFP transceiv er slots .
S PECI FICAT IONS C-2 Switchin g Database 8K MA C address entries , 1K stati c MA C addresses; 2K IP or 1K IPv6 entries in host table, 1K ARP entries, 512 IP or 256 IPv6 entries in routing table, 64 s.
S WITCH F EAT UR ES C-3 Maximum Cur r ent SMC8824M: 0.59 A @ 110 V A C (wit hout expansion modules) 0.72 A @ 110 V A C (with two expansion modules) 0.36 A @ 240 V A C (without expansion modules) 0.37 A @ 240 V A C (with two expansion modules) SMC8848M: 0.
S PECI FICAT IONS C-4 Standards IEEE 802.3-2002 Ethernet, Fas t Ethe r net , Gigabit Et hernet IEEE 802.3ae 10 Gigabit Ether net IEEE 802.1D Spanning T ree Protocol IEEE 802.1w Rapid Span ning T ree Protocol IEEE 802.1s Multiple Spanning T ree Protocol IEEE D802.
E XTENDE R M ODULES C-5 Extend er Modul es 10G Extender Module (XFP) Po r t s 1 slot for 10GB ASE XFP transceiv e r Communication Speed 10 Gbps Communication Mode Full duplex Network Interface XFP slot Standards IEEE 802.
S PECI FICAT IONS C-6.
D-1 A PPENDIX D G ERMAN I NSTRUCTIONS Eine Site Auswählen (Selecting a Site - German) Die Schalter können in ein Standard-19-Zoll-Ausr üstungsg estell oder auf eine flach e Ebene mo ntiert werden . Zum Ausw ählen ei nes St andor tes bea chten Sie bitte die n achsteh end en Richtlinien .
M ONTAGE (R ACK M OUN TIN G I NSTRUCTIONS - G ER MAN ) D-2 mogli chen elekt rische n Storunge n verlegt wird , wie z . B. von Radios und Transm ittern.
G ER MAN I NSTRUCTIONS D-3 So monti eren Sie Geräte a n ein Rack: 1. Befestig en Sie die Metallwinkel mit den im Metallwinkel-M ontageset erhältliche n Schrauben a n dem Gerä t. 2. Be festig en Sie das G erät m it vier Rackmont ag eschrau ben (ni cht beig ele gt) a n dem R ack.
M ONTAGE (R ACK M OUN TIN G I NSTRUCTIONS - G ER MAN ) D-4.
E-1 A PPENDI X E O RDERING I NFORMATION Table E-1 TigerStack II 10/100/1000 Prod ucts and Accessories Product Numb er Description SMC8848M 48-port 10/100/1000 s tackable managed switch with optional 1.
O RDERING I NFOR MATION E-2.
Glossary-1 G LOSSARY 10BASE-T IEEE 802.3 specification for 10 Mbps Ethernet ov er two pairs of Category 3 or be tter U TP cable . 100BASE-TX IEEE 802.3u specification for 100 Mbps F ast Ethernet ove r two pairs of Category 5 or be tter U TP cable . 1000BASE-LX IEEE 802.
G LOSSAR Y Glossary-2 10GBASE-LR IEEE 802.3ae specification for 10 Gigabi t Ethernet ov er two strands of 9/125 micron core single-mo de fiber cab le. 10GBASE-SR IEEE 802.3ae specification for 10 Gigabi t Ethernet ov er two strands of 50/125 micron core m u ltimode fiber c able.
G LOSSAR Y Glossary-3 End Station A workstation , ser ver, or other de vice tha t does not f orward tra ffic. Ethernet A network communication syst em developed and standardized by DEC , Intel, and Xe ro x, using base band transmission, CSMA/ CD access, logical bus topolog y , and coaxial cable .
G LOSSAR Y Glossary-4 IEEE 802.3ae Defines the ph ysical la yer specific ations fo r 10 Gigabit Ethernet. IEEE 802.3u Defines CSMA/CD acce ss method a nd ph ysical l ayer sp ecificat ions for 100BASE-TX F ast Ether net. (Now incorporated in IEEE 802.3-2002.
G LOSSAR Y Glossary-5 Management Information B ase (MI B) An acrony m for Management I nfor mation Base . It is a set of d atabase obje cts that cont ains in for ma tion a bout th e device.
G LOSSAR Y Glossary-6 Transmission Control Protocol/Internet Protocol (TCP/IP ) Protoco l suite t hat inc ludes TCP as the pr imar y trans por t protoc ol, and I P as the netw ork la yer pr otocol.
Index-1 Numerics 10 Gbps connectivi ty rules 4-8 10 Mbps connect ivity rules 4-10 100 Mbps connectivity ru les 4 -10 1000 Mbps connectivity rules 4-9 1000BASE-LX fiber cable leng ths 4- 9 1000BASE-SX .
I NDE X Index-2 G grounding f or racks 3-4 I IEEE 802.3 Ethernet 1-9 IEEE 802.3ae 10 Gigabit Ethernet 1-9 IEEE 802.3u Fast Ethe rnet 1-9 IEEE 802.3z Gigabit Ethernet 1-9 indicators, LED 1-5 installati.
I NDEX Index-3 R rack mounting 3-4 redundant powe r unit 1- 8 RJ-45 port 1- 3 connections 4-1 pinouts B-5 RPU connecting 3-1 2 installing in a rack 3-6 installing on a de sktop 3-6 RPU, optional red u.
I NDE X Index-4.
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38 T esla Irvine, CA 92618 Phone: (9 49) 679-8000 Model N umbers: SMC8824M , SMC8 848M Pub. Number: 150200054 300A E02 2006-R01 FOR TECHNICAL SUPPOR T , CALL: From U.S.A. an d Canada (2 4 hours a day , 7 da ys a week) (800) SMC-4-YOU; (94 9) 679-8000; F ax: (949 ) 679-1481 Fro m Euro pe: Contac t de tail s can be fo und o n www .
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 SMC Networks SMC8848M 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 SMC Networks SMC8848M - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso SMC Networks SMC8848M imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul SMC Networks SMC8848M ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il SMC Networks SMC8848M, 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 SMC Networks SMC8848M.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il SMC Networks SMC8848M. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo SMC Networks SMC8848M 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.
