SMC Networks SMC8926EM manuale d’uso

INS T ALLA TION GUIDE ta SMC8 9 2 6EM SMC8 950EM TigerS tack II 10 / 100 /1000 2 4 / 48-P or t St ackable La yer 3 Gig abit Sw i tc h[...]

20 Mason Ir vine, CA 92618 Phone: (949) 67 9-8000 Tige rStac k II 10/100/1000 Installation Guide F rom SMC's Tiger line of f eature-rich workgroup LAN solutions August 2009 Pub. # 150200 000054A E082009-MW -R01[...]

Information furnished by SMC Networ ks, Inc. (SMC) is believed to be accurate and reliable. However , no re sponsibility is as sumed by SMC for its use, nor for any infringements of patents or other right s of third parties which may result from its use. No license is granted by im plication or otherwise under any patent or patent rights of SMC. SM[...]

Warranty and Product Registration T o register SMC products and to review the detailed warranty statement, please refer to the Support Section of the SMC Website at http://www .smc.com.[...]

i Compliances and Safety Warnings 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 lim its are designed to provide reasonable protection against harmful interfer ence when the equipment is o perated in a commercial environment. This equipment g[...]

ii CE Mark Declaration of Conformance for EMI and Safety (EEC) This information technology equipment comp lies with the requirements of the Council Directive 89/336/EEC on the Approximation of t he laws of the Member St ates relating to Electromagnetic Compatibility and 73/23/EEC fo r electrical equipment used within cert ain voltage limits and the[...]

iii Safety Complian ce W arning: Fiber Optic Port Safety Avertissment: Port s pour fibres optiques - sécurité sur le plan optique W arnhi nwei s: Faseroptikanschlüsse - Optische Sicherheit PSE Alarm 本製品に同梱いたしております 電源コードセットは、本製品専用 です。本電源コード セットは、本製品以外?[...]

iv Important! Before making connections, make sure you have the correct cord set. Check it (read the label on the ca ble) against the following: Veuillez lire à fond l'information de la sécurité suivante avant d'installe r le Switch: A VERTISSEMENT : L ’installation et la dépose de ce groupe doivent être confiés à un personnel qu[...]

v France et Pérou uniquement: Ce groupe ne peut pas être alimenté par un dispositif à impédance à la terre. Si vos alimentations sont du type impédance à la terr e, ce groupe doit être alimenté par une tension de 230 V (2 P+T) par le biais d’un transformateur d’isolement à rapport 1:1, avec un point secondaire de connexion portant l?[...]

vi Warnings and Cautionary Me ssages Environme ntal Statemen t The manufacturer of this product endeavours to sustain an environmen tally-friendly policy throughout the entire production process. Th is is achieved though the following means: • Adherence to national legislation and regulations on environmenta l production standards. • Conservati[...]

vii Documentation All printed documentation for this product us es biodegradable paper that originates from sustained and managed forests. The inks used in the printing process are non-toxic.[...]

viii About This Guide Purpose This guide details the hardware features of this device, including the physical and performance-related characteristics, and how to install it. Audience The guide is intended for use by network adminis trators who are responsible for installing and setting up network equipment; consequently , it assum es a basic workin[...]

ix Contents Chapter 1: Intr od uction 1-1 Overview 1-1 Switch Architecture 1-2 Network Management Options 1-2 Description of Hardware 1-3 10/100/1000BASE-T Ports 1-3 SFP Slots 1-3 10 Gigabit Ethernet Module Slots 1-3 Stacking Ports 1-3 Port and System Status LEDs 1-3 Optional Redundan t Power Supply 1-5 Power Supply Sockets 1-5 Optional Media Exten[...]

x Contents Desktop or Shelf Mounting 3-4 Installing an Optional Module into the Switch 3-5 Installing an Optional SFP Transceiver 3-6 Connecting Switches in a Stack 3-7 Stacking Topol ogies 3-8 Connecting to a Power Source 3-8 Connecting to the Console Port 3-9 Wiring Map for Serial Cable 3-9 Chapter 4: Making Network Connections 4-1 Connecting Net[...]

xi Contents Appendix C: Specifications C-1 Physical Characteristics C-1 Switch Features C-3 Management Features C-3 Standards C-3 Compliances C-4 Extender Modules C-4 10GBASE Extender Module (XFP) C-4 Glossary Index[...]

xii Tables Table 1-1 Port Status LEDs 1-4 Table 1-2 System Stat us LEDs 1-4 Table 1-3 Supported XFP Transce ivers 1-6 Table 1-4 Module LEDs 1-6 Table 3-1 Serial Cable Wiring 3-9 Table 4-1 Maximum 10GBASE-SR 10 Gi gabit Ethernet Ca ble Length 4-6 Table 4-2 Maximum 10GBASE-LR 10 Gi gabit Ethernet C able Length 4-6 Table 4-3 Maximum 10GBASE-ER 10 Gi g[...]

xiii Figures Figure 1-1 Front Panels 1-1 Figure 1-2 Rear Panel 1-2 Figure 1-3 Port LEDs 1-4 Figure 1-4 System LEDs 1-4 Figure 1-5 Power Supply Sockets 1-5 Figure 1-6 Single-Port 10GBASE Module (XFP) 1-6 Figure 2-1 Collapsed Backbone 2-2 Figure 2-2 Network Aggregation Plan 2-3 Figure 2-3 Remote Connecti ons with Fiber Cable 2-4 Figure 2-4 Making VLA[...]

xiv Figures[...]

1-1 Chapter 1: Introduction Overview The SMC8926EM and SMC8950EM are intelli gen t multilayer swit ches (Laye r 2, 3) with 24/48 10 /100/1000BASE-T port s, four of which are combin ation ports * that are shared with four SFP transceiver slot s (see Fig ure 1-1, Port s 21-24/ 45-48). The rear panel pro vides two slots for single-port 10 Gigabit Et h[...]

Introduction 1-2 1 Figure 1-2 Rear Panel Switch Architecture These Gigabit Ethernet switches employ a wire-speed, no n-blo cking switching fabric. This pe rmits s imultaneou s wire-speed transp ort of multip le packet s at low latency on al l port s. The switches a lso feature f ull-duplex cap ability on all port s, which ef fectively do ubles the [...]

1-1 Chapter 1: Introduction Overview The SMC8926EM and SMC8950EM are intelligen t multilayer switches (Layer 2, 3) with 24/48 10 /100/1000BASE-T port s, four of which are combin ation port s * that are shared with four SFP transceiver sl ots (see Fig ure 1-1, Port s 21-24/45-48). The rear panel pro vid es two slots for single-port 10 Gigabit Ethern[...]

Introduction 1-4 1 Figure 1-3 Por t LEDs Figure 1-4 System LEDs Table 1-1 Port Status LEDs LED Condition Status Link/ Activity/ Speed On/Flashing Amber Port has a valid link at 10 or 100 Mbps. Flashing indicates activity . On/Flashing Green Port has a valid link at 1000 Mbps. Flashing indicates activity . Off The link is down. Table 1-2 System Stat[...]

Description of Hardware 1-5 1 Optional Redundant Power Supply The switch supports an optional Redundant Power Supply (RPS), that can supply power to the switc h in the event the internal power supply fails. Power Supply Sockets There are two power sockets on the rear p anel of each switch. The standard power socket is for the AC power cord. The soc[...]

Introduction 1-6 1 Optional Media Extender Modules 10GBASE XFP Module Figure 1-6 Single-Po r t 10GBASE Module (XFP) The module’ s XFP slot suppo rts standard 10 Gigabit Eth ernet (10G) XFP transceivers. The 10GBASE tr ansceivers operate at 10 Gbp s full duplex with support for flow c ontrol. Extender Module LEDs The optional 1 0GBASE slide-in mod[...]

Features and Benefi ts 1-7 1 Expandability • Supports 1000BASE-SX, 1000BASE-LX, and 1000BASE-LH SFP tran scei vers. • Optional 10GBASE single-port expansion modul e with an XFP transceiver slot . Performance • Transparent bridging. • Aggregate duplex bandwidth of up to 88 Gbps for the SMC8926EM or 136 Gbps for the SMC8950EM. • Switching t[...]

Introduction 1-8 1[...]

2-1 Chapter 2: Network Planning Introduction to Switching A network switch al lows simult aneous transmission of mu ltiple p ackets v ia non-crossbar switching. Th is means that it can p artition a network more effi ciently than bridges or routers. These switches have, t herefore, been recogni zed as one of the most import ant building blocks for t[...]

2-2 Network Planning 2 Application Examples The Gigabit Ethernet Swi tch es are not only designed to segment your network, but also to provide a wi de range of options i n setting up network connect ions and linki ng VLANs or IP subnets. Some typical applications are des cribed below . Collapsed Backbone The Gigabit Ethernet Swi tch es are an excel[...]

2-3 Application Exampl es 2 Network Aggregation Plan With 24 or 48 parall el bridging port s (i.e., 24 or 48 distinct collision domai ns), a Gigabit switch stack ca n collapse a comple x network down into a single ef ficient bridged node, increasi ng overall bandwid th and throughput. In the figure below , the 10/ 100/1000BASE-T port s in a stack o[...]

2-4 Network Planning 2 Remote Connections with Fiber Cable Fiber optic tec hnology allows for longer c abling than a ny other media type. A 1000BASE-SX (MMF) link can connect to a site up t o 550 met ers away , a 1000BASE-LX (SMF) link up to 5 km, and a 1000BASE-LH lin k up to 70 km. Thi s allows a switch st ack to serve as a collap sed backbone , [...]

2-5 Application Exampl es 2 Making VLAN Connections These switches support VLANs which can be used to organize any group of network nodes into se parate broadc ast domains. VLANs confine broadcast traff ic to the originating g roup, and can el iminate broadcast storms in large networks. This provides a more secure and cl eaner network environme nt.[...]

2-6 Network Planning 2 Using Layer 3 Routing VLANs can signific antly enhance network perf ormance and security . However , if you use conventional rout ers to interconnect VLANs, you can l ose most of your performance advant age. These Gigabit Ethernet Switches are routing swit ches that provide wire-speed routi ng, which allows you to el imi nate[...]

2-7 Application Notes 2 Application Notes 1. Full-duplex operat ion only appli es to point-to-point access (such as when a switch is att ached to a workstat ion, server or another switch ). When the switch is connected to a hub , bot h devices must opera te in half-duplex mode. 2. For network applications that requi re rout ing between dissimi lar [...]

2-8 Network Planning 2[...]

3-1 Chapter 3: Installing the Switch Selecting a Site Switches can be mounted i n a sta ndard 19-i nch equip ment ra ck or on a flat surf ace. Be sure to follow the guideli nes below when choosi ng 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 its temperat ure [...]

3-2 Installing the Switch 3 Figure 3-1 R J-45 Connections Equipment Checklist After unpa ckin g the switch, check the content s to be sure you have received all the components . Then, before begi nning the i nstallat ion, be sure you have all other necessary inst allation equipment. Package Contents • 24- or 48-port Gigabit Ethernet Switch (SMC89[...]

3-3 Mounting 3 Mounting A switch unit can be mo unted i n a s t an dard 1 9-inc h equ ipme nt ra ck or on a des kto p or shelf. Mounting in structions for each t ype of site follow . Rack Mounting Before rack mounting the switch, pay p articular att ention to the foll owing factors: • Temperature: Since the temperature within a ra ck assembly may[...]

3-4 Installing the Switch 3 2. Mount the device in the rack, usi ng four rack-mounting screws (not provide d). Figure 3-3 Installing the Switch in a Rack 3. If install ing a single switch only , turn to "Connecting to a Power Source" at the end of this chapter . 4. If inst all ing multiple switch es, mount them in the rack, one be low th [...]

3-5 Installing an Op tional Module into the Switch 3 3. If inst alling a single switch only , go to "Connecting to a Power Source" at t he end of this chapter . 4. If inst alling multipl e switches, att ach four adhesi ve feet to each one. Pl ace each device squarely on top of t he one below , in any order . 5. If also inst alling an RPS,[...]

3-6 Installing the Switch 3 Installing an Optional SFP Transceiver Figure 3-6 I nserting an SF P Transceiver into a Slot These switches support 1000BASE-SX and 1000 BASE-LX, and 1000BASE-LH SFP-compatible transceivers. T o install an SFP transceiver , do the following: 1. Consider network and cabling requi rements to sele ct an appropriate SFP tran[...]

3-7 Connecting Switches in a Stack 3 Connecting Switches in a Stack Figure 3-7 shows h ow the stack cables are connected between switc hes in a st ack. Each stacking con nection is a 48 Gbps f ull -duplex high-speed serial l ink using proprietary st acking cables. The switch supports a li ne- and ring -topology stacking configuration, or can be use[...]

3-8 Installing the Switch 3 5. Select the Master un it in th e st ack b y pressing th e Master bu tton in o n only on e of the switches. Only one switch in the st ack can operate as the Master , all other unit s operate in slave mode. I f more than one switch in the st ack is selected as Mas ter , or if no s witches ar e selected, the system will s[...]

3-9 Connecting to the Con sole Port 3 3. Check the front-p anel LEDs as the device is powered on to be sure the Power LED is on. If not, check t hat the powe r cable i s correctly plugge d in. 4. If you have purch ased a Redunda nt Power Sup ply , connect it to th e swi tch and to an AC power source now , following the instruct i ons included with [...]

3-10 Installing the Switch 3[...]

4-1 Chapter 4: Making Network Connections Connecting Network Devices This switch is designed to inte rconnect multiple segments (or colli sion domains). It can be connected to network cards in PCs and servers, as well as to hubs, switches or routers. It may also be connected to devi ces using optional XFP or SFP transceivers. Twisted-Pair Devices E[...]

4-2 Making Network Conne ctions 4 Connecting to PCs, Servers, Hubs and Switche s 1. Attach one end of a twisted-pa ir cable segment to the devic e’s RJ-45 connector . Figure 4-1 Making Twisted-Pai r Connections 2. If the device is a PC card and the switch is in th e wiring cl oset , att ach the other end of the cabl e segment to a modular wal l o[...]

4-3 Fiber Optic SFP Devices 4 Figure 4-2 Network Wir in g Connections Fiber Optic SFP Devices An optional Gigabit SFP t r ansceiver (1000BASE-SX, 1000BASE-LX or 1000BASE-LH) can be used for a backbone connectio n between switches, or for connecting to a high-sp eed server . Each single-mode fiber po rt requires 9/125 micron singl e-mode fiber optic[...]

4-4 Making Network Conne ctions 4 3. Connect one end of the cable to t he LC port on the switch and the oth er end to the LC port on the other device. Since LC connectors are keyed, the cable can be attache d in only one orient ation. Figure 4-3 Making Connect ions to SFP Transceive rs 4. As a connection is made, check the Link L ED on the switc h [...]

4-5 10 Gbps Fiber Op tic Connections 4 1. Remove and keep the port’ s protective cover . When not connected to a fiber cable, the cover should be replaced to protect the opti cs. 2. Check that the fiber terminat ors are clean. Y ou can clean the cable plugs by wiping them gently wi th a clean tissue or cotto n ball moistened with a li t tle ethan[...]

4-6 Making Network Conne ctions 4 Connectivity Rules When adding hubs (repeaters) to you r networ k, please fo ll ow the connectivit y rules listed in the manuals fo r these products. Howe ver , note that becau se switches break up the p ath for connec ted devices into sep arate collision domains, yo u should not include the switch or connecte d ca[...]

4-7 Connectivity Rules 4 1000 Mbps Gigabit Ethernet Collision Domain 100 Mbps Fast Ethernet Collision Domain 10 Mbps Ethernet Collision Domain Table 4-4 Maximum 1000BASE-T Gigabit Ethernet Cab le Length Cable T ype Maximum Cable Length Connector Category 5, 5e, 6 100-ohm UTP or STP 100 m (328 ft) RJ-45 Table 4-5 Maximum 1000BASE-SX Gigabi t Etherne[...]

4-8 Making Network Conne ctions 4 Cable Labeling and Connection Records When planning a network inst allation, it is essential to label the opposing ends of cables and to record where each cable is co nnected. Doing s o will enable you to easily locate int er-connected devices, iso late fault s and change your topology without need for unnecess ary[...]

A-1 Appendix A: Troubleshooting Diagnosing Switch Indicators Diagnosing Power Problems with the LEDs The Power and RPU LEDs work in combination t o indicate power statu s as follows. Table A-1 T roubleshooting Chart Symptom Action Power LED is Off • Check connections between the switch, the power cord, and the wall outlet. • Contact your dealer[...]

A-2 Troubleshooting A Power and Cooling Problems If the power indicator doe s not turn on when the power cord is plugged in, you may have a problem with the power out let, power cord, or inte rnal power supply . However , if the unit powers of f after running for a while, che ck for loose power connections, power loss es or surges at the power outl[...]

A-3 Stack Troubleshooting A Stack Troubleshooting If a stack fails to initialize or function, first check th e following items: • Check that all stacking cables are pr operly connected. • Check if any stacking cables appear damaged. • Check that only one Stack Master button is pressed in. • Check that all switches in the stack are powered o[...]

A-4 Troubleshooting A[...]

B-1 Appendix B: Cables Twisted-Pair Cable and Pin Assignments For 10/100BASE-TX connections, the twi s ted-pair cable must have two p airs of wires. For 1000BASE-T connect ions the twis ted -pair cable must have f our pairs of wires. Each wi re pai r is identi fied by two d i fferent colors. For e xample, one wi re might be green and the other , gr[...]

B-2 Cables B Straight-Through Wiring If the twisted-p air cable is to join two ports and onl y one of the ports has an in ternal crossover (MDI-X), the two p airs of wires must b e straight-through. (When auto-negoti ation is enab led for any RJ-45 po rt on these swit ches, you can us e either straight-through or c r ossover cable to connect to any[...]

B-3 T wisted-Pair Cable a nd Pin Assignments B Y ou must connect all four wire p airs as shown in the following diagram to support Gigabit Ethernet connec tions. Figure B-3 Crossover Wiri ng 1000BASE-T Pin Assignments All 1000BASE-T ports support auto matic MDI/MDI-X op eration, so you can use straight-through cables f or all network connections to[...]

B-4 Cables B Cable Testing for Existing Category 5 Cable Instal led Category 5 cabling must p ass tests for Attenuation, Near-End Crosst alk (NEXT), and Far-End Crosstal k (FEXT). This cable testing informati on is specified in the ANSI/TIA/EIA-TSB-67 st andard. Additionally , cables must also p ass test parameters for Re tu rn Loss and Equal-Level[...]

B-5 Fiber Standards B G.653 Disper sion-Shi fted Fibe r Single-mode, 9/12 5-micron core Lon ger spans and extended reach. Optimized for operatio n in th e region from 1500 to 1600-nm. G.654 1550-nm Loss-Minimized FiberSingle-mode, 9/125-mic ron core Extended long-haul applications. Optimized for high-power transmission in the 1500 to 1600-nm region[...]

B-6 Cables B[...]

C-1 Appendix C: Specifications Physical Characteristics Ports SMC8926EM:20 10/100/1000BASE-T , with auto-negotia tion 4 10/100/1000 BASE-T shared wi th 4 SFP transcei ver slots 2 10GBASE extender module slot s for XFP transceivers T wo slots for st acking transceivers SMC8950EM:44 10/100/1000BASE-T , with auto-negotia tion 4 10/100/1000 BASE-T shar[...]

C-2 Specifications C Wei gh t SMC8926EM: 3.72 kg (8.20 lbs) SMC8950EM: 4.34 kg (9.57 lbs) Size 44.0 x 33.1 x 4.4 cm (17.3 x 1 2 . 2 x 1.7 in.) T e mperature Operating: 0 to 50 °C (32 to 122 °F) S torage: -40 to 70 °C (-40 to 158 °F) Humidity Operating: 5% to 95% (non-condensing) AC Input 100 to 240 V , 50-60 Hz, 2A Power Supply Internal, auto-r[...]

C-3 Switch Features C Switch Features Forwarding Mode S tore-and-forward Throughput Wire speed Flow Control Full Duplex: IEEE 802 .3x Half Duplex: Back pressure Management Features In-Band Managemen t Web, T elnet, SSH, or SNMP manager Out-of-Band Mana gement RS-232 RJ-45 console port Sof tware Loading TFTP in-band, or XModem out-of-band Standards [...]

C-4 Specifications C Compliances CE Mark Emissions FCC Class A Industry Canada Class A EN55022 (CISPR 22) Class A EN 61000-3-2/3 Immunity EN 61000-4-2/3/4/5/6/8 /1 1 Safety UL 60950-1 & CSA 60950-1 IEC 60950-1 & EN 60950-1 Extender Modules 10GBASE Extender Module (XFP) Ports 1 slot for 10GBASE XFP transceiver Communication Sp eed 10 Gbps Co[...]

Glossary-1 Glossary 10BASE-T IEEE 802.3 sp ecification f or 10 Mbps Ethernet ov er two p airs of Ca tegory 3, 4, o r 5 UTP cable. 100BASE-TX IEEE 802.3u specificat ion for 100 Mbp s Fast Ethernet over two pairs of Category 5 or better UTP cable. 1000BASE-LH Long-haul Gigabit Et hernet over two strands of 9/125 mi cron core fiber cable. 1000BASE-LX [...]

Glossary Glossary-2 Auto-Negotiation Signalling method al lowing each node t o select its opt imum operational mode (e.g., speed and duplex mode) based on the capabil ities of the node to whi ch it is connected. Bandwidth The diffe rence between the highest and l owest frequencies availa ble for network signals. Also syno nymous with wire speed, th[...]

Glossary-3 Glossary IEEE Institute of Electrical a nd Electroni c Engineers. IEEE 802.3 Defines carrier sense multiple access with collisi on detection (CSMA/CD) access method and physical lay er specifications. IEEE 802.3ab Defines CSMA/CD access met hod and physical layer specif ic ations for 1000BASE-T Gigabit Ethern et. (Now incorporated in IEE[...]

Glossary Glossary-4 units of MHz per km, which indicates t he amount of band width support ed by the fiber for a one km distance. Network Diameter Wire distance bet ween t wo end stati ons in the same collision domain. Redundant Power Supp ly (RPS) A backup power supply unit that auto mat ica lly t akes over in case the primary power supply should [...]

Index-1 Numerics 10 Gbps connec tivity rules 4-6 10 Mbps connecti vity rules 4-7 100 Mbps connectivity rules 4-7 1000 Mbps connectivit y rules 4-7 1000BASE-LH fiber cable lengt hs 4-7 1000BASE-LX fiber cable lengths 4-7 1000BASE-SX fiber cable lengt hs 4-7 1000BASE-T pin assignments B-3 ports 1-3 100BASE-TX cable lengths 4-7 ports 1-3 10BASE-T port[...]

Index Index-2 port connections 4-1 power requiremen ts 3-1 problems A-2 RPU in racks 3-4 site requir em e n ts 3-1 wiring closet connection s 4-2 L laser safety 4-3, 4-4 LC port connections 4-3, 4-4 LED indicators Diag 1-4 Module 1-5 Power 1-4 problems A-1 RPU 1-4 Stack ID 1-5 Stack Link 1-5 Stack Master 1-5 location requirements 3-1 M management a[...]

Index Index-3 V VLANs routing 2-6 tagging 2-5 W web-based management 1-2[...]

Index Index-4[...]

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20 Mason • Irvine, CA 92618 • Phn: 949 -679-8000 • www. smc.com 150200062800A R02 150200000054A R01 SMC8 9 2 6EM SMC8 950EM[...]