SMC Networks SMC8024L2 инструкция обслуживания

T igerSwitch 10/100/1000 Managed Ether net Switch ◆ 24 auto-MDI/MDI-X 10/100/1000B ASE-T ports ◆ 4 ports shared with 4 SFP transcei ver slots ◆ Non-blocking switching architecture ◆ Spanning T ree Protocol ◆ Up to eight LA CP or static 8-port trunks ◆ Layer 2/3/4 CoS support thro ugh four priority queues ◆ Full support for VLANs ◆ I[...]

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38 T esla Irvine, CA 92618 Phone: (949) 679 -8000 T igerSwitch 10/100/1000 Installation Guide From SMC’ s Tiger line of feature-rich workgroup LAN solutions April 2006 Pub. # 15000002 3000H[...]

Infor mation furnis hed by SMC Networks , Inc. (SMC) is believed to be accurate and reliable. However , no responsibility is assumed by SMC for its use, nor for any infri ngements of p atents or other rights of third parties which ma y result from its use . No license is granted by implication or otherwis e under any patent or patent rights of SMC.[...]

i L IMITED W ARRANTY Limited W ar ranty Statement: SMC Net works , Inc. (“SMC”) warrants its products to be free from defects in workma nship and materials , under normal use and ser vice, for the applicable warranty ter m. All SMC products car r y a standard 90-day limited warranty from the date of purchase from SMC or its Authoriz ed Reseller[...]

ii WARRANTIES EX CLUSIVE: IF AN SMC PRODUCT DOES NOT OPERA TE AS W ARRANTED ABO VE, CUSTOMER’S SOLE REMEDY SHALL BE REP A IR OR REPLA CEMENT OF THE PRODUCT IN Q UESTION , AT SMC’S OPTION . THE FOREGOING W ARRANTIES AND REMEDIES ARE EX CLUSIVE AND ARE IN LIEU OF ALL OTHER W ARRANTIES OR CONDITIONS , EXPRESS OR IMPLIED , EITHER IN F A CT OR BY OP[...]

iii C OMPLIANCES FCC - Class A This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules . These limits are designed to provide reasonab le protection against har mful interf erence when the equipment is operat ed in a commercial environment. This equipment gene rates, uses[...]

C OMPLIANCES iv CE Mark Declaration of Conf or mance f or EMI and Safety (EEC) SMC contact for these pr oducts in Europe is: SMC Networks Europe, Edificio Conata II, Calle Fructuós Gelabert 6-8, 2 o , 4 a , 08970 - Sant Joan Despí, Barcelona, Spain. This infor mation technolog y equipment compli es with the requirements of the Council Directi ve [...]

C OMPLIANCES v Safety Compliance W ar ning: Fiber Optic Port Safety Av er tissment: Por ts pour fibres optiques - sécuri té sur le plan optique W ar nhinweis: F aseroptikansc hlüsse - Optische Sicherheit Powe r C o rd S a fe t y Please read the follow ing safety infor mation carefully before ins talling this switch: Wa r n i n g : Installation a[...]

C OMPLIANCES vi Import ant! Before making connections , make sure yo u ha ve the correct cord set. Check it (read the label on the cable) against the following: Power Cord Set U.S.A. and Canada The cord set must be UL-approved and CSA certified. The minimum specifications for the flexible cord are: - No. 18 AWG - not longer than 2 meters, or 16 AWG[...]

C OMPLIANCES vii V euillez lire à fond l'infor mation de la sécurité suiv ante av ant d'installer le Switch: A V ERTISSEMENT : L’installation et la dépose de ce groupe doiv ent être confiés à un personnel qualifié. • Ne branche z pas votre appareil s ur une prise se cteur (alimentation électrique ) lorsqu'il n'y a p[...]

C OMPLIANCES viii Bitte unbedingt v or dem Einbauen des Switches die folgenden Sicherheitsanweisungen durchlesen: WARN UNG: Die Installation und der Ausbau des Geräts darf nur durc h F achpersonal erfolge n. • Das Gerät sollte nicht an eine ungeerdete Wechselstromsteckdose angeschlossen werden. • Das Gerät muß an eine geerdet e Stec kdose a[...]

C OMPLIANCES ix W ar nings and Cautionar y Messa ges Wa r n i n g s (in Ger man) Environmental Statement The manufacturer of this prod uct endea vours to sustain an environmen tally- friendly policy throughout the entire producti on process . This is achieved thoug h the followi ng means: • Adherence to nationa l legislation and re gu lations on [...]

C OMPLIANCES x End of Product Life Span This produc t is manufactured in su ch a way as to allow for the recov ery and disposal of all included electrical compone nts once the product has reached the end of its life. Manufacturing Materi als There are no hazardous nor ozone-de ple ting materials in this product. Documentation All printed doc umenta[...]

xi T ABLE OF C ONTENTS 1 About the TigerSwitch 10/100/1000 . . . . . . . . . . . . . . 1-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Switch Architect ure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Network Manage ment Options . . . . . . . . . . . . .[...]

T ABLE OF C ONTENTS xii Connecting to a Power Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 Connecting to the Console Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 Wiring Map for Serial Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 4 Making Network Connections . . . . . . .[...]

T ABLE OF C ONTENTS xiii A PPENDICES : A Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Diagnosing Switch Ind icators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Power and Cooling P roblems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 Installation . . . . . . . . . [...]

T ABLE OF C ONTENTS xiv[...]

xv T ABLES Table 1-1 Port Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Table 1-2 Power Status LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Table 3-1 Optional Transc ievers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 Table 3-2 Serial Cable Wiring . . . . [...]

xvi F IGURES Figure 1-1 Front Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Figure 1-2 Rear Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Figure 1-3 Port LEDs and Power LED . . . . . . . . . . . . . . . . . . . . . . . 1-4 Figure 1-4 P ower Supply Socket . . . . . . . . . . . [...]

1-1 C HAPTER 1 A BOUT THE T IGER S WITCH 10/100/1000 Overview SMC’ s TigerSwitch 10/100/1000 SMC8024L2 is an intelligent Layer 2 switch with 24 10/100/1000B ASE-T ports, four of whic h are combination ports * t ha t a r e s h a r e d w i t h f o u r S F P tr an s c e i ve r s l o t s ( s e e F i g u r e 1- 1 , Por t s 21-24). Figure 1-1 Front Pan[...]

A BOUT THE T IGER S WITCH 10/100/1000 1-2 Switch Architecture The switch employs a wire-speed, non-blocking switching fabric . This per mits simultaneous wire-speed transport of multiple pack ets at low latency on all por ts . The switch also features full- duplex capability on all ports, which effecti vely doubles the bandwidth of each connection.[...]

D ESCRIPTION OF H ARDWARE 1-3 Description of Hardware 10/100/1000BASE-T Ports The switch contains 24 RJ-45 ports th at operate at 10 Mbps or 100 Mbps, half or full dupl ex, or at 1000 Mbps , full du plex. Because all ports on the switch support automa tic MDI/MDI-X operation, y ou can use straight-through cables for all network connections to PCs o[...]

A BOUT THE T IGER S WITCH 10/100/1000 1-4 Figure 1-3 Port LEDs and Power LED Power Supply Socket The power sock et is located on the rear panel of the switch. The standard Table 1-1 Port Status LEDs LED Condition Status Fast Ethernet Ports (Ports 1-24) Link/Act (Link/Activi ty) On/Flashing Green Port has establishe d a valid network c onnection. Fl[...]

F EATUR ES AND B ENEFITS 1-5 pow er socket is for the A C powe r cord. Figure 1-4 Power Supply Socket Features and Benefits Connectivity • 24 10/100/1000 Mbps ports for easy Gigabit Ethernet integration and for protection of your investme nt in legacy LAN equipment. • Auto-negotiation enables each RJ-45 po rt to automatically select the optimum[...]

A BOUT THE T IGER S WITCH 10/100/1000 1-6 Expandability • 4 S mall Form Factor Pluggable (S FP) transceiver slots (shared with 1000BASE-T ports) • Supports 1000BASE-SX, 1000BAS E-LX and 1000BASE-LH SFP transceiv ers. Performance • Transparent bridgin g. • Provides store-and-forward switchin g for intra-VLAN traffic, and IP routing for inter[...]

2-1 C HAPTER 2 N ETWORK P LANNING Introduction to Switching A network switc h allows simultaneous transmission of m ultiple packets via non-crossbar switching . This means th at it can partition a netw ork more efficiently than bridg es or routers . the switch ha ve , therefore, been recognized as one of the most im por tant building blocks for tod[...]

N ETWORK P LANNING 2-2 Application Examples The Tig erSwitch 10/100/1000 is not only designed to segment your network, but also to pro vide a wide ra nge of options in setting up network connections and linking VL ANs or IP subnets. Some typical applications are described below . Collapsed Backbone The Tig erSwitch 10/100/1000 is an ex ce llent cho[...]

A PPLICATION E XAMPLES 2-3 Central Wiring Closet With 24 parallel bridging ports (i.e., 24 distinct collision domains), this switch ca n collapse a complex netw ork do wn into a single efficient bri dged node, increasing o verall bandwidth and throughput. In the figure below , the 1000B ASE-T RJ-45 por ts on the switch are providing 1 Gbps full-dup[...]

N ETWORK P LANNING 2-4 Remote Connections with Fiber Cable Fiber optic technolog y allows for longer cabling than any other media type. A 1000B ASE-SX (MMF) link can connect to a site up to 550 meters away , a 1000BASE-LX (SMF) link up to 5 km, and a 10 00B ASE-ZX link up to 100 km. This allows a switch stac k to ser ve as a collapsed backbone , pr[...]

A PPLICATION E XAMPLES 2-5 Making VLAN Connections The switch supports VLANs that can be used to org anize any group of network nodes into separate broadcast domains . VLANs confine broadcast traffic to the originating group , and can eliminate broadcast stor ms in large networks . This provid es a more secure and cleaner netw ork environment. VLAN[...]

N ETWORK P LANNING 2-6 Application Notes 1. Full-duplex operation only applies to point-to-point access (such as when a switch is attached to a w ork station, ser ver or another switch). When the switch is connected to a hub , both devices must operate in half-du plex mode . 2. F or netw ork applications that require routing betw een dissimilar net[...]

3-1 C HAPTER 3 I NSTALLING THE S WITCH Selecting a Site TigerSwitch 10/100/1000 units can be mounted in a standard 19-inch equipment rack or on a flat surface. Be sure to follo w the guidelines below when choosing a location . • The site should: - be at the center of all the devices you want to link and near a power outlet. - be able to maintain [...]

I NSTALLING THE S WITCH 3-2 Ethernet Cabling T o ensure proper operation when insta lling the switches into a netw ork, make sure that the cur rent cables are sui table for 10B ASE-T , 100B ASE-TX or 1000BASE-T operation. Chec k the following criteria against the cur rent installation of your netw ork: • Cable type: Unshielded twisted pair (UTP) [...]

E QUIPMENT C HECKLIST 3-3 Equipment Checklist After unpacking the TigerSwitch 10/100 /1000 unit, check the contents to be sure you ha ve recei ved all the co mponents . Then, before beginning the installation, be sure you ha ve all other necessary installation equipment. Package Contents • TigerSwitch 10/100/1000 unit, SMC8024L2 • Four adhesive[...]

I NSTALLING THE S WITCH 3-4 Mounting A TigerSwitch 10/100/1000 unit can be mounted in a standard 19-inc h equipment rack or on a desktop or shel f. Mounting instructions for each type of site follow . Rack Mounting Before rac k mounting the switch, pay particular attenti on to the following factors: • Temperatur e: Since the tempera ture within a[...]

M OUNTING 3-5 T o rack-mount devices: 1. Attach the brack ets to the device using the screws pro vided in the Brack et Mounting Kit. Figure 3-2 Attaching the Brackets 2. Mount the device in the ra ck, using four rack-mounting screws (not provided). Figure 3-3 Installing the Switch in a Rack 21 22 23 24 10 11 12 22 23 24 21 22 23 24[...]

I NSTALLING THE S WITCH 3-6 3. If installing a single switch onl y , turn to “Connecting to a P ower Source” at the end of this c hapter . 4. If installing multiple switches , mount them in the rack, one below the other , in any order . Desktop or Shelf Mounting 1. Attach the fou r adhesiv e feet to the bottom of the first s witch. Figure 3-4 A[...]

I NSTALLING AN O PTIONAL SFP T RANSCEIVER INTO THE S WITCH 3-7 Installing an Optional SFP Transceiver into the Switch Figure 3-5 Inserting an SFP Transceiver into a Sl ot The switch supports the follo wing optional transceiv ers: T o install an SFP transceiv er , do the following: 1. Consider netw ork and ca bling requirements to select an appropri[...]

I NSTALLING THE S WITCH 3-8 Note: SFP transceivers are hot-swappable. The switch does not need to be powered off before installing or rem oving a transceiver. However, always first disconne ct the network cable befo re removing a transceiver. Note: SFP transceivers are not provided in the switch package. Connecting to a Power Source T o connect a d[...]

C ONNECTING TO THE C ONSOLE P ORT 3-9 Connecting to the Console Port The DB-9 serial por t on the switch’ s back panel is used to connect to the switch for out-of-band console conf iguration. The command-line-driv en configuration program can be accessed from a ter minal or a PC r unning a ter minal emulation program. T he pin assignments used to[...]

I NSTALLING THE S WITCH 3-10[...]

4-1 C HAPTER 4 M AKING N ETWORK C ONNECTIONS Connecting Network Devices The Tig erSwitch 10/100/1000 units are designed to inte rconnect m ultiple segments (or collision domains). It can be connected to netw ork cards in PCs and servers , as well as to hubs , sw itches or routers . It may also be connected to devices using optional SFP transcei ver[...]

M AKING N ETWORK C ONNECTIONS 4-2 Connecting to PCs, Servers, Hubs and Switches 1. Attach one end of a twisted-pair cable segment to the device’ s RJ-45 connector . Figure 4-1 Making Twisted-Pair Connections 2. If the device is a PC card and the sw itc h is in the wiring closet, attach the other end of the cable segment to a modular wall outlet t[...]

T WISTED -P AIR D EVI CE S 4-3 Network Wiring Connections T oday , the punch-down bloc k is an integ ral part of many of the newer equipment racks . It is actually par t of the patch panel. Instr uctions for making connections in the wiring cl oset with this type of equipment follows . 1. Attach one end of a patc h cable to an av ailable port on th[...]

M AKING N ETWORK C ONNECTIONS 4-4 Fiber Optic SFP Devices An optional Gigabit SFP transceiv er (1000BASE-SX, 1000BASE-LX o r 1000B ASE-ZX) can be used for a back bone connection between switches , or for connecting to a high-speed ser ver . Each single-mode fiber port requir es 9/125 micron single-mode fiber optic cable with an LC connector at both[...]

F IBER O PTIC SFP D EVI CE S 4-5 3. Connect one end of the cable to the LC por t on the switch and the other end to the LC por t on the othe r device. Since LC connectors are keyed , the cable can be atta c hed in only one orientation. Figure 4-3 Making Connections to SFP Transceivers 4. As a connection is made , check the Link LED on the switch co[...]

M AKING N ETWORK C ONNECTIONS 4-6 Connectivity Rules When adding hubs (repeaters) to your netw ork, please follow the connectivity rules listed in the manuals for these products . Howev er , note that because switc hes break up th e path for connected devices into separate collision domains, y ou should not include the switch or connected cabling i[...]

C ONNECTIVITY R ULES 4-7 100 Mbps Fast Ethe rnet Collision Domain 10 Mbps Ethernet Collision Domain Table 4-3 Maximum 1000BASE-LX Fib er Optic Cable Length Fiber Diameter F iber Bandwidth Cable Length Range Connector 9/125 micron single-mode fiber N/A 2 m - 5 km (7 ft - 3.2 miles) LC Table 4-4 Maximum 1000BASE-ZX Fiber Optic Cable Len gth Fiber Dia[...]

M AKING N ETWORK C ONNECTIONS 4-8 Cable Labeling and Connection Records When planning a network ins tallation, it is essential to label the opposing ends of cables and to record where ea c h cable is connected. Doing so will enable you to easily locate inter -c onnected devices , isolate faults and change your to polog y without need for unnecessar[...]

A-1 A PPENDI X A T ROUBLESHOOTING Diagnosing Switch Indicators Table A-1 Troubleshooting Chart Symptom Action Power LED is Off • Check connecti ons between the swi tch, the power cord, and the wall outlet. • Contact your d ealer for assistance. • Contact SMC Technic al Support. Link LED is Off • Verify that the switch and attached device ar[...]

T R OUBLESHOOTING A-2 Power and Cooling Problems If the powe r indicator does not turn on when the pow er cord is plug g ed in, you ma y hav e a problem with the po wer outlet, pow er cord, or internal pow er supply . Howe ver , if the unit powers off after r unning for a while, chec k for loose power connections , power losses or surges at the pow[...]

B-1 A PPENDIX B C ABLES Twisted-Pair Cable and Pin Assignments F or 10B ASE-T/100B ASE-TX connections , a twisted-pair cable must hav e two pairs of wires . F or 1000B ASE-T connections the twisted-pair cable must ha ve four pairs of wires . Each wi re pair is identified by tw o different colors . F or example, one wire might be gr een and the othe[...]

C ABLES B-2 10BASE-T/100BASE-TX Pin Assignments Use unshielded twisted-pair (UT P) or shielded twiste d-pair (STP) cabl e for RJ-45 connections: 100-ohm Categ ory 3 or better cable for 10 Mbps connections , or 100-ohm Categor y 5 or better cable for 100 Mbps connections . Also be sure that the le ngth of any twiste d-pair connection does not ex cee[...]

T WISTED -P AIR C ABLE AND P IN A SSIGNMENTS B-3 Straight-Through Wiring If the twisted-pair cable is to join tw o ports and only one of the ports has an internal crossover (MDI-X), the tw o pairs of wires must be straight-through. (When auto-negotiation is enabled for any RJ-45 port on the switch, you can use either straig ht-through or crossover [...]

C ABLES B-4 Crossover Wiring If the twisted-pair cable is to join two ports and either both ports are labeled with an “X” (indicatin g MDI-X) or neither port is labeled with an “X” (which indicates MDI), a crosso v er must be implemented in the wiring . (When auto-negotiation is enabled for any RJ-45 port on the switch, you can use either s[...]

T WISTED -P AIR C ABLE AND P IN A SSIGNMENTS B-5 1000BASE-T Pin Assignments All 1000B ASE-T por ts suppor t automati c MDI/MDI-X operation, so y ou can use straight-through cables for all netw ork connections to PCs or ser vers , or to other switc hes or hubs . The table below shows the 1000BASE-T MDI and MDI-X port pinouts. These por ts require th[...]

C ABLES B-6 Note that when testing your cable inst allation, be sure to include all patc h cables between switches and end devices. Adjusting Existing Category 5 Cabling to Run 1000BASE-T If your existing Categor y 5 installa tion does not meet one of the test parameters for 1000B ASE-T , there are ba sically three measures that can be applied to t[...]

C-1 A PPENDIX C S PECIFICATIONS Physical Characteristics Por t s 20 10/100/1000BASE-T , with auto-negotiation 4 10/100/1000BASE-T shared with 4 SFP transceiv er slots . Network Interface P orts 1-24/48: RJ-45 connector, auto MDI/X 10B ASE-T: RJ-45 (100-ohm, UTP ca ble; Categor y 3 or better) 100B ASE-TX: RJ-4 5 (100-ohm, UTP cable; Categor y 5 or b[...]

S PECIFICATIONS C-2 Size 44.0 x 17.1 x 4.3 cm (17.0 x 6.7 x 1.7 in.) Te m p e r a t u r e Operating: 0 to 40 °C (32 to 104 °F) Storage: -40 to 70 °C (-40 to 158 °F) Humidity Operating: 10% to 90% (non-condensing) AC Input 100 to 240 V , 50-60 Hz, 0.8 A Po wer Supply Internal, auto-ranging transfor mer : 100 to 240 V AC , 50 to 60 Hz Po wer Cons[...]

S TANDARDS C-3 Out-of-Band Management RS-232 console port Softwa re Loading TFTP in-band, or XModem out-of-band Standards IEEE 802.3-2002 Ethernet, Fast Ethernet, Gig abit Ethernet IEEE 802.1D Spanning T ree Protocol IEEE D802.1Q Virt ual LAN IEEE 802.1X, P or t-Based Ne twork Access Control, 2001 ISO/IEC 8802-3 Compliances CE Mark Emissions FCC Cl[...]

S PECIFICATIONS C-4[...]

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 üstungsges tell oder auf eine flache Ebene montier t werden. Zum Auswählen eines Standortes beac hten Sie bitte die nachstehenden Richtlinien. • Die Site sollte: - Sich in der Mitte aller anzuschließenden Ge[...]

M ONTAGE (R ACK M OUNTING I NSTRUCTIONS - G ERMAN ) D-2 moglichen elektrischen Storungen ve rlegt wird, wie z. B. von Radios und Transmittern. • Sicherstellen, dass das Gerat an eine separate St romquelle mit Erdanschlus mit einer Netzsp annung von 100 bis 240 V AC (Wechselstromspannung), 50 bis 60 Hz, und innerhalb in einem Abstand von 2,44 m (8[...]

G ER MAN I NSTRU CTIONS D-3 So montieren Sie Ge räte an ein Rac k: 1. Befestigen Sie die Metallwinkel mit den im Metallwink el-Montagese t erhältlichen Schraub en an dem Gerät. 2. Befestigen Sie das Gerät mit vier Rackmontage schrauben (nicht beigelegt) an dem Rack. 3. W enn Sie nur einen Switc h installiere n, dann springen Sie bitte über zu [...]

M ONTAGE (R ACK M OUNTING I NSTRUCTIONS - G ERMAN ) D-4[...]

E-1 A PPENDI X E O RDERING I NFORMATION Table E-1 TigerSwitch 10/100/ 1000 Products and Accessorie s Product Number Description SMC8024L2 24-port 10/100/10 00 intellig ent L2 switch SMCBGSLCX1 1-port 1000BASE-SX Small Form Plu ggable (SFP) mini-GBIC transce iver SMCBGLLCX1 1-port 1000BASE-LX Small F orm Pluggable (SFP) mini-GBIC transce iver SMCBGZ[...]

O RDERING I NFOR MATION E-2[...]

Glossary-1 G LOSSARY 10BASE-T IEEE 802.3 specification for 10 M bps Ethernet over tw o pairs of Categ ory 3 or better UTP cable. 100BASE-TX IEEE 802.3u specification for 100 Mbps Fast Ethernet ov er two pairs of Categ ory 5 or better UTP cable. 1000BASE-LX IEEE 802.3z specification for Gig a bit Ether net ov er tw o strands of 50/125, 62.5/125 or 9[...]

G LOSSAR Y Glossary-2 Bandwidth The differenc e between the highest and lowest frequencies av ailable for network signals . Also synonymous with wire speed, the ac tual speed of the data transmission along the cable . Collision A condition in which pac kets transmitte d ov er the cable interfere with each other . Their inte rference makes both sign[...]

G LOSSAR Y Glossary-3 Full Duplex T ransmission method that allows tw o netw ork devices to transmit and receive concurrentl y , effectively do ubling the bandwidth of that link. Gigabit Ethernet A 1000 Mbps network comm unication system based on Ethernet and the CSMA/CD access method. IEEE Institute of Electrica l and Electronic Engineers . IEEE 8[...]

G LOSSAR Y Glossary-4 Layer 2 Data Link layer in the ISO 7-Layer Data Communications Protocol. This is related directly to the hardware interface for networ k devices an d passes on traffic based on MA C addresses. LED Light emitting diode used for monito ring a device or network condition. Link Segment Length of twisted-pair or fiber cabl e joinin[...]

G LOSSAR Y Glossary-5 Redundant Power Supply (RPS) A backup po wer supply unit that automatically takes o ver in case the primar y power supp ly should fail. RJ-45 Connector A connector for twisted-pair wiring . Switched Ports P orts that are on se parate collision domains or LAN segments . TIA T elecommunications Industr y Association Transmission[...]

G LOSSAR Y Glossary-6[...]

Index-1 Numerics 10 Mbps connectivity rules 4-7 100 Mbps connectivity ru les 4-7 1000 Mbps connectivity rule s 4-6 1000BASE-LX fiber cable lengths 4-7 1000BASE-SX fiber cable lengths 4-6 1000BASE-T pin assignment s B-5 ports 1-3 1000BASE-ZX fiber c able lengths 4-7 100BASE-TX cable lengths 4-7 ports 1-3 10BASE-T ports 1-3 10BASE-T/100BASE-TX pin as[...]

I NDEX Index-2 IEEE 802.3z Gigabit Ethe rnet 1-5 indicators, LED 1 -3 installation connecting devices to the switch 4-2 desktop or shelf mounting 3-6 port connect ions 4-1 power requirements 3-1 problems A-2 rack mounting 3-4 RPU in racks 3-6 site requiremen ts 3-1 , D-1 wiring closet conn ections 4-7 L laser safety 4-4 LC port connecti ons 4-4 LED[...]

I NDEX Index-3 standards compliance C-3 IEEE C-3 status LED s 1 -3 surge suppresso r, using 3-1 switch ar chitecture 1-2 switchin g, introductio n to 2-1 T temperature within a rack 3-4 troubleshoot ing in-band access A-2 power and cooling problems A-2 switch indicators A-1 twisted-pair connections 4-1 V VLANs tagging 2-5[...]

I NDEX Index-4[...]

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38 T esla Irvine, CA 92618 Phone: (949) 679-8 000 Model Numbers: SMC8024L2 Pub . Number: 1500 00023000H E052006- JC-R01 FOR TECHNICAL SUPPOR T , CALL: From U.S.A. and Canada (24 hou rs a day , 7 days a week) (800) SMC-4-Y OU; (949) 679-8000; Fa x: (949) 679- 1481 From Europe: Contact details can be found on www .smc-europe.com or www .smc.com INTER[...]