SMC Networks SMC6826MPE manuale d’uso

T igerStack III 10/100 24- Po r t Fa s t E t h e rn e t S w i tch ◆ 24 auto-M DI/MDI-X 10BASE-T/100B ASE-TX ports ◆ 10B ASE- T/10 0B ASE -TX ports sup port PoE capa bilitie s ◆ 2 Gigabit combo port s (RJ-45/SFP) ◆ 8.8 Gbps of agg regate bandwidth ◆ Stacks up to 8 units ◆ Non-block ing switching architect ure ◆ Spanning T ree Prot ocol[...]

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38 T esla Irvine, CA 9261 8 Phone: (9 49) 679-8000 T igerStack III 10/100 Installation Guide From SMC’ s T iger line of f eat ure-rich w orkgroup LAN solutions June 200 5 Pub. # 15 02000377 00A[...]

Infor matio n furn ished by SMC Networks , Inc. (SMC) is believed to be accurate and reliable . Howeve r, no responsibility is assumed by SMC for its use, nor f or any in fring ement s of p atents or othe r rights of third part ies which may result from its use. No license is g ranted by implicatio n or other wise und er an y pate nt or pat ent rig[...]

i L IMITED W ARRANTY Limited W ar ranty Statement: SMC Networks, Inc. (“S MC”) war r ants its p roduc ts to be fre e from defects in w orkmanship and materials, u nder normal use and ser vice, for the appl icable warranty term . All SMC products carr y a standard 90-day li m ited warranty from the date of purchase from SMC or its Authorized R e[...]

L IMIT ED W AR RANTY ii WARRA NTI ES E X CL USIV E: IF AN SMC PRODUCT D OES NOT OPERA TE AS W ARRANTED ABO VE, CUSTOM ER’S SOLE REMED Y SHALL BE REP AIR OR REPLA CEMENT OF THE PR ODUCT IN QUESTION , A T SMC’S OPTION . TH E FOREGOIN G W ARRAN TIES AND REMEDI ES ARE EX CLUSIVE AND A RE IN LIEU OF ALL OTHER W ARRANTIES OR CONDITION S , EXPRESS OR [...]

i C OMPLIANCES FCC - C lass A This equipment gener ates, uses, and can radiate radi o frequency ener g y and, if not installed and used in accordance with the instr uction man ual, may cause i nterference to rad io commu- nications . It has been tested and f ound to co mply with t he limits fo r a Class A compu ting device pursuant to Subpart B of [...]

C OMPLIANCES ii CE Mark Declaratio n of Confor mance for EM I and Safety (EEC) This inform ation tec hnolog y equipment complies with th e requirements of the Council Directiv e 89/336/EEC on the Approximation of the laws of the M ember States relating to Electro magneti c Com patibilit y and 73 /23/E EC fo r elect rical e quipment used withi n cer[...]

C OMPLIANCES iii Australia AS /NZS 3548 (1995) - Class A SMC contact for product s in Australia is: SMC Communicati ons Pty . Ltd. Suit e 1 8, 12 Tryon Road , Lindfield NSW2070, Phone: 61-2-94160437 F ax : 61-2-9416 0474 Safety Compliance W arn i n g : F ib e r O p t i c P o rt S af et y Avertissment: Ports pour fibres optiques - sécurité sur l e[...]

C OMPLIANCES iv • The socket outlet must be near to the unit and easi l y accessible. Yo u can onl y remove power from the uni t by disconnecting the power cord from the outlet. • This unit operat es under SELV (Safety Extra Low Voltage) conditions according t o IEC 60950. The conditions are onl y maintained if the equipment to which it is conn[...]

C OMPLIANCES v • Le coupleur d ’appareil ( le connecteur du groupe et non pas la prise murale) doit respecter une configuration qui perme t un branchement sur une en trée d’appareil EN 6032 0/IEC 320. • La prise secteur doit se trouver à proximité de l’appareil et son accès doit être facile. Vous ne pouvez mettre l’appareil hors ci[...]

C OMPLIANCES vi • Die Netz steck dose muß in der Nähe des Geräts un d leicht zug änglich sein. Die Stromve rsorgung des G eräts k ann nu r durc h Herau sziehen des Ge rätenet zkabels aus d er Netzste ckdose unterbroch en werden. • Der Betr ieb dieses Geräts erfolgt unter d en SELV-Bedingungen (Sicherheitsklein s tspannung) gemäß IEC 60[...]

C OMPLIANCES vii Wa r n i n g s (in Ge r man) En vir onmental Statement The manufact urer of this product en deavours to sustain a n environmen tally- friendly policy throughout the ent ire produc tion proc ess. This is a chieved though th e followin g means: • Adherence to national legislation and regulations on environmental production standard[...]

C OMPLIANCES viii Audienc e This guide is for system administrato r s with a w orking knowledge of network management. Y ou shou ld be familia r wit h swit ching and net working conc epts. Zielgr uppe Dieser Anleitung ist fuer Systemadministrator en mit Erfahrung im Netzw erk- mangement. Sie s ollte n mit Switch- und Netzwerkkonzepte n vertraut sei[...]

ix T ABLE OF C ONTENTS 1 About the TigerStack III 10/100 . . . . . . . . . . . . . . . . . . . 1-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Switch Ar chitectur e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Power-ove r-Ethernet Capa bility . .[...]

T ABLE OF C ONTENTS x Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Rack Mount ing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Desktop o r Shelf Mou nting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 Installing an SFP [...]

T ABLE OF C ONTENTS xi A PPEN DICES : A Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Diagnosing Sw itch Indic ators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A -1 Diagnosing P ower Proble ms with the L ED Indicator s . . . . . . . . . A-2 Power and C ooling Prob lems . . . . . . . . .[...]

xii T ABLES Table 1-1 Port Status LED Indi cators . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Table 1-2 System Sta tus LED In dicators . . . . . . . . . . . . . . . . . . . . . . . . 1-7 Table 3-1 Serial Cable Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 Table 4-1 M aximum 1000 BASE-T Gigabit Ethernet Cabl[...]

xiii F IGURES Figure 1-1 Front and Rear Panel s. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Figure 1-2 Port LED Indic ators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Figure 1-3 System LED Indica tors . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 Figure 1-4 Stack Master Butto n . . . . . . . . . . . . . .[...]

F IGU R ES xiv[...]

1-1 C HAPTER 1 A BOUT THE T IGER S TACK III 10/100 Overview SMC’ s Tig erStack III 10/100 SMC6826MPE is a 24-P or t Fast Ethernet P oE Switch with 24 10B A SE-T/100B ASE-TX RJ-45 por ts and two combination ports — 10/100/1000BASE-T ports that operate in combin ation with Small F or m Fact or Plug g able (SFP) tra nsceiv er slots * . An op tiona[...]

A BOUT THE T IGE R S TACK III 10/100 1-2 Figure 1-1 Front and Rear Panels. Switch Architecture Th e switch em ploys a wire-sp eed, non-b locking switching fa bric. This per mits simultaneous wire-speed tran spor t of multiple packets at low latency on all port s . Th e switch also features full-duplex capability on all ports , whic h effectiv ely d[...]

O VER VIEW 1-3 from th e switc h ov er the Ethernet cable wit hout requirin g its own separate pow er source . This capabilit y giv es netw or k administ rators cent ralized pow er control for devices s uch as I P phones and w ireless access points , which translates int o gr eater network availability . F or each attac hed 802.3af-compliant device[...]

A BOUT THE T IGE R S TACK III 10/100 1-4 Description of Hardwa re 10/100 BASE-T Ports The Po E sw itch base unit contains 24 10B ASE-T/100BASE-TX RJ-45 ports . All po rt s supp ort automatic MDI/MDI-X operation, so you can use straigh t-throu gh cab les for all network conne ction s to PCs or se r vers, or to other switches or hubs . (See “10/100[...]

D ESCRIPTION OF H ARDW ARE 1-5 Port and System Status L ED Indicators The swit ch base unit also includes a display panel for key system and por t indica tions that sim plify ins tallatio n and network trou bles hooting. The LED indic ators , which are locat ed on the front pane l for easy vie wing, are shown below and descr ibed in th e following [...]

A BOUT THE T IGE R S TACK III 10/100 1-6 1~24 (PoE Mode) On Green Powered device is conne cted, but not dra wing power. Flashing Green Powered device is receiving powe r. Flashing Amber Port has detected a power ove rload or short circu it and sh ut down the port ’s power. On Amber The power budget for the switch ha s been exce eded and the port&[...]

D ESCRIPTION OF H ARDW ARE 1-7 Figure 1-3 System LED Indicators Table 1-2 System Status LED Indicators LED Conditi on Status PWR On Green Unit’s intern al power supply is ope rating normally. Off Unit has no powe r connected. Diag On Green System diagnostic te st successfully co mpleted. Flashing Gree n Sys tem diagnos tic test is in prog ress. O[...]

A BOUT THE T IGE R S TACK III 10/100 1-8 Stack Master Button Th e unit al so inclu des a Stack Ma ster butt on shown in the fo llowing diag ram. Figure 1-4 Stack Master Button Th e Stack Mast er button enable s one sw itch in the st ack to be sele cted as the mas ter . Stacking On Green This switch is acting as the maste r unit in the stac k. Flash[...]

D ESCRIPTION OF H ARDW ARE 1-9 Mode PoE/Li nk Button Th e Mode P oE/ Link bu tton is locate d on the front pane l. Figure 1-5 Mode Selection Th e Mod e P o E/Li nk bu tton is used t o tog gle be tween t he two por t st atus LED display modes (see “Port Status LED Indic ators” on page 1-5). Pressing this bu tton change s from one di splay mode t[...]

A BOUT THE T IGE R S TACK III 10/100 1-10 together us ing stacki ng cables (on e stacking c able is includ ed with eac h optiona l stacki ng tran sceiver). T he p ush butt on on the sw itch’ s fron t pane l enable s one switch in the st ack to be sele cted as the ma ste r . (S ee “Sta ck Master Button ” on pag e 1-8 .) Power Supply Sockets Th[...]

F EATURES AND B ENEFITS 1-11 • Uns hielded (UTP ) cable su pported on all RJ-45 ports: Ca tegory 3 or better for 10 Mbps connections, Category 5 or better for 100 Mbps connections, and Category 5, 5e or 6 f or 1000 Mbps connections • IEEE 802.3-2002 Ethernet, Fast Eth ernet, Gigabit Ethernet, and flow control complianc e ensures compatibilit y [...]

A BOUT THE T IGE R S TACK III 10/100 1-12 Management • “At-a -glance ” LED ind icator s for ea sy trouble shootin g • Network managemen t agent: - Manages switch (or entire stack) in-band or out- of-band - S upports console, Telnet, SSH, SNMP v1/v2c/v3, 4 RMON group s and web-b ased in terf ace[...]

2-1 C HAPTER 2 N ETWORK P LANNING Introd uction to Swit ching A network switch allows s imultaneous transmissio n of multiple packe t s via non-cros sbar switching . T his means that it can par tition a network more effici ently than bridges or routers . The switch h as, therefore, been recogniz ed as o ne of the mo st impo r tant build ing blo cks[...]

N ETWORK P LANNING 2-2 Application Ex amples Th e switch is no t only de signed to segm ent your network, but a lso to provide a wi de rang e of opt ions in setting u p network conne ctions. Some typical applicat ions are described below . Supplying PoE The swit ch is an ex cellen t choice for supplying powe r to connected PoE devices s uch as we b[...]

A PPL ICATIO N E XAM PLES 2-3 Collapsed Backbone The switc h is an ex cellent c hoice for m ixed E t hernet, F ast Ethe r net, and Giga bit Ether net installations in which significant g rowth is e xpected in the near future. Y ou can easily build on th is basic configuration, addin g direct ful l-duplex connections to workstat ions or se r vers . [...]

N ETWORK P LANNING 2-4 Network Aggregation Plan With 24 parallel bridgin g ports (i.e., 24 distinct collision d omains), the switch can co llapse a complex n etwork down into a single efficie nt bridg ed node, incr easin g overall bandw idth and thro ughpu t. When up t o eight sw itch uni ts are st acked t ogether , they form a singl e “vir tual?[...]

A PPL ICATIO N E XAM PLES 2-5 Remote Connections with Fiber Cable Fiber op tic t echnolog y allows for long er c abli ng than any othe r med ia type. Using a 1000B ASE-SX multimode fiber (MMF) SFP transcei ver, you can r un a link up to 550 m, a 1000BASE-LX single-mode fiber (SMF) link can r un up to 5 km, and a 1000B ASE-LH single-mode fiber (SMF)[...]

N ETWORK P LANNING 2-6 Makin g VLAN Conne ctions This s witch s upports VLAN s which can be use d to or g anize a ny g roup o f network node s into separ ate br oadcas t domains. VLANs co nfine broadc ast traffic to th e origina ting g roup , and ca n eliminat e broadcast stor ms in larg e networks. This pr ovides a mo re secu re and c leane r netw[...]

A PP LICAT ION N OTES 2-7 Applicati on Not es 1. Full-duplex operation on ly applies to point -to-point access (such as when a switc h is attach ed to a workst ation, ser ver or a nother switch). When the switch i s con nected to a hub , both devices mus t operate i n half-duplex mode. 2. A void usin g flow c ontrol on a por t connec ted to a hu b [...]

N ETWORK P LANNING 2-8[...]

3-1 C HAPTER 3 I NSTALLING THE S WITCH Selecting a Site Switch units can be mounted in a stan dard 19-inch equipment rack or on a flat su rface. Be sure to follow the guidelines below when choosing a location. •T h e s i t e s h o u l d : - be at t he center of all t he devices you want to link and near a p ower outlet . - be able to maintain its[...]

I NS TAL LI NG THE S WITCH 3-2 • As with any equipm ent, using a filter or surge suppress or is recommen ded. Ether net Cabl ing T o ensure prop er operation wh en installing the switch into a network, make sure that the current cables are suitab le for 10BA SE-T or 100B ASE -TX operation. Chec k th e follo w ing criteria against the current inst[...]

E QUIPMENT C HECKLIST 3-3 Equipm ent Checkl ist After u npacking t his switch , chec k the conten ts to be th at sure you h av e recei ved all the comp onents . Then, befo re begin ning the in stallation , be sure t hat you have all ot her ne cessa r y inst allat ion eq uipm ent. Package Contents • 2 4 - Po r t Fa s t E t h e r n e t Po E S w i t[...]

I NS TAL LI NG THE S WITCH 3-4 Mountin g This swi tch can be mounted in a s tandard 19 -inch eq uipment rac k or on a deskt op or shel f. Mou nting instructions for eac h type of s ite foll ow . Rack Mounting Bef ore r ack m ount ing the sw itch, pay par ticular attention to the following factors: • Temperature : Since the temperature w i thin a [...]

M OUNTING 3-5 Figure 3-2 Attaching the Brackets 2. Mount the device in the r ack, using four rack-mou nting scre ws (not provided ). Figure 3-3 Installing the S witch in a Rack 3. If installing a single swit ch only , turn to “Connecting t o a P ower Sour ce” at t he en d of this chapter. 4. If installing multiple switches, mount them in the ra[...]

I NS TAL LI NG THE S WITCH 3-6 Mont a ge (Rack Mou ntin g Instr uc tions - Ger man ) Switch- Einheiten k önnen an ein standardmäßig es 19-Zoll E i nricht ungsrack, einen Arbeitstis ch oder ein R eg al montiert werden. F olgend finden Sie die Montageanweisungen für jeden Positionsty p . Rack-M ontage Beachten Si e die folgenden F aktoren, bevor [...]

M OUNTING 3-7 Desktop or Shelf Mounting 1. Attach the four adhesive feet to the b ottom of the first swit ch. Figure 3-4 Attaching the Adhesive Feet 2. Set th e device on a flat surfac e near an A C po wer so urce, making sure there are a t leas t two inches of sp ace on all si des fo r prop er air f low . 3. If installing a single sw itch only , g[...]

I NS TAL LI NG THE S WITCH 3-8 Installi ng an SFP Transceiver Figure 3-5 Install i ng an SFP Transceiver The SFP sl ots support the follo wing opti onal SFP trans ceiv ers: • 1000BASE-SX • 1000BASE-LX • 1000BASE-LH T o install an SFP transce iv er, perfor m the following steps: 1. Consider your network a n d cabling requirement s to select an[...]

S TACK ING S WI TC HES 3-9 Stacking Switches Th e switch su ppor ts s tacking up t o eight units throug h an optio nal SF P stac king transcei ver . Eac h stacking connection pro vides a 2 Gb ps high-sp eed link usin g USB stackin g cables . The sta cking transc eive r must be insta lled in the por t 25 SFP slot. E ach stacking transc eiver has two[...]

I NS TAL LI NG THE S WITCH 3-10 Connecting Switches in a Stack Figure 3-7 Connecting Switches in a Stack Note: The stacking transceiver mus t only be installed in the port 25 SFP slot. T o connect up to eight switches in a stack, pe rfor m the follo wing steps: 1. Install SF P stacking tra nsceivers into the po rt 25 sl ot for e ach switch in the s[...]

S TACK ING S WI TC HES 3-11 5. Complet e the stac k connections by plugging one end of a stack cabl e into the Tx por t on the bott om unit an d the oth er end into th e Rx por t on the to p unit. 6. Select the Master u nit in the stac k by pressi ng the push b utton in on only on e of the swi tches . Only on e switch in the stack c an operate as t[...]

I NS TAL LI NG THE S WITCH 3-12 Connect ing to a Power Source T o connect a switch t o a pow er source: 1. Insert th e power cable plug d irectly into th e A C sock et located at the back of th e swit ch. Figure 3-8 Power Socket 2. Plug t he other end of the cable i nto a grounded, 3-pi n sock et, A C pow er source . Note: For interna tional use , [...]

C ONNECTING TO THE C ONSOLE P ORT 3-13 Connect ing to the Consol e Port The DB-9 seria l port on th e switch’ s fron t panel is us ed to connect t o the switch for ou t-of -band console config uratio n. T he comma nd-line config urati on prog ra m can be ac cessed f rom a ter m inal or a PC r unn ing a ter m inal emula tion pro g ram. T he pi n a[...]

I NS TAL LI NG THE S WITCH 3-14 •S t o p b i t — O n e • Data bits—8 • Flow control—n one[...]

4-1 C HAPTER 4 M AKING N ETWORK C ONNECTI ONS Connect ing Netwo rk Devices The switch is designed to be connected to 10 or 100 Mbps netwo rk cards in PCs and s er vers , as w ell as to other switc h es and hub s. It may also be connected to remote devices using the optional 1000B ASE-X, o r 100B ASE-FX SFP transceiv ers . If 802.3af-compliant P oE [...]

M AKIN G N ETWORK C ONNECTIONS 4-2 Power-over-Ethernet Connections The P oE sw itch automatically detects an 802. 3af-compliant device b y its authen ticated P oE s ignature and senses i ts required l oad before t ur ning on DC power to the por t. This d etection me chanism prevents damage to other netw o rk equipment that is not 802.3af compliant.[...]

T WISTED -P AIR D EVIC ES 4-3 Cabling Guidelines Th e RJ-45 p ort s on th e switch suppor t automa tic MDI/ MDI-X pin out config urati on, so you ca n use st andard stra ight-th rough twiste d-pair cable s to co nnect to any o ther netw ork device (PCs , ser ve rs, s witches , router s, or hubs). See Appendix B for fur ther infor mat ion on cabling[...]

M AKIN G N ETWORK C ONNECTIONS 4-4 3. If t he device is a ne twor k card and the s witch is in the wiring cl oset, attach t he othe r end o f the cabl e segme nt to a modula r wall outle t th at is conn ected to the wiring clos et. (See the s ection “Netw ork Wirin g Connect ions” on page 4 -4) Other wise, atta ch the o ther end t o an availabl[...]

T WISTED -P AIR D EVIC ES 4-5 Figure 4-2 Network Wiring Connections Equipment Rack (side view) Switch Patch Panel Punch-Down Block Wa ll 12 3 4 56 7 89 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 26 Console 25 1 2 11 12 13 14 23 24 Link/Act PoE 25 26 Pwr Diag Stack Mode PoE/Link RPS[...]

M AKIN G N ETWORK C ONNECTIONS 4-6 Fiber Optic Devices An optional slide-in 1000BASE-SX, 1000B ASE-LX, 1000BASE-LH, or 100B ASE-FX SFP transceiv er may be use d for backbone or remote conne ction s, or for conne cting t o a high-sp eed ser ver. Each sin gl e-mode fiber optic p o rt requires 9/125 micron single-mode fiber optic ca bling w ith an LC [...]

C ONNECTIVITY R ULES 4-7 3. Conn ect one end o f the cable to t he LC port on the sw itch and the other end to the port on th e other devic e. Since LC connectors are ke yed, the cable c an be attac hed in on ly one orien tation. Figure 4-3 Making Fiber Port Connections 4. As a co nnection is made, c heck the g reen Link LED on the swit ch correspo[...]

M AKIN G N ETWORK C ONNECTIONS 4-8 1000BASE-T Cable Requirements All Catego ry 5 UTP cables that are used for 100BASE-TX conne ct ions should also wo rk for 1000B A SE-T , providing that all four wire pairs are connected. However , it is reco mmended that for all critical c onnections, or any new cable installat ions , Catego ry 5e (enhanced Categ [...]

C ABL E L ABELING AND C ONNECTION R ECOR DS 4-9 Table 4-4 Maximum 1000BASE-LH Gigabit Ethernet Cabl e Leng th 100 Mbps Fast Ethernet Collision Domain Table 4-5 Maximum Fast Ethernet Cable Len gths 10 Mbps Ethernet Collision Domain Table 4-6 Maximum Ethernet Cable Length Cable Labe ling and Connect ion Records When plannin g a network installation, [...]

M AKIN G N ETWORK C ONNECTIONS 4-10 T o best m anage the ph ysical i mplementat ions of y our ne twor k, follo w these guide lines: • Clearly l abel the opp osing ends of each cable. • Using yo ur building ’s floor plan s, draw a map of the locat ion of all networ k-connected equipm ent. For each p iece of equipmen t, identify the devices to [...]

A-1 A PPENDIX A T ROUBLESHOOTING Diagnosi ng Switch Indicators Table A-1 Troubl eshooting Chart Symptom Action PWR LED is Of f • I nternal power supply m ay be di sconnected. Check connect ions between the s witch, the power cord and the wall outlet. Diag LED is Am ber • The system has detected a faul t. Power cycle t he switch to try and clear[...]

T R OUBLESHOOTING A-2 Diagnosing Power Problems with th e LED Indicators The Po wer and RPU LED in dicators work in combination to ind icate pow er status as follows . Table A-2 Power/RPU LED Indicators Power and Cooling Problems If the power indi cator doe s not tur n on when the power cord is pl ug g ed i n, you m ay ha ve a p roblem with th e po[...]

I NSTALLATION A-3 Installa tion V erify that a ll system co mponents ha ve been properly ins talled. If on e or more c omponen ts ap pear to be malf unct ioning (such as th e power cor d or netw ork cabli ng), test th em in an alternate environm ent where yo u are sure that a ll the ot her componen ts are functi oning prop erly . In-Band Acc ess Y [...]

T R OUBLESHOOTING A-4 Stack Troubleshooting If a stack fails to initialize or function , first check the following items: • Check th at all stacking cables are pr operly connect ed. • Check if any stacking cables app ear damaged. • Check th at only one Mas ter Select b utton is pres sed in. • Check that all sw itches in the s tack are power[...]

B-1 A PPENDIX B C ABLES Twiste d-Pair Cable and Pin Assignmen ts F or 1 0/100 B A SE-TX co nnectio ns, the twiste d-pair cable mus t have two pairs of wires . F or 1000B A SE-T connections the twisted-pair cable must have four pairs of wires . E ach wire pa ir is identified b y two di fferent colors . F or examp le, one w ire m ight be g r een an d[...]

C ABL ES B-2 10/100BASE-TX Pin Assignments Use unshielde d twisted-pair (UTP) or shielded twis ted-pair (STP) cab le for RJ-45 connections: 100-ohm Catego r y 3 or better cable for 10 Mbps connections , or 100-ohm Categor y 5 or better cable fo r 100 Mbps conne ction s . Al so be sure that the len gth of any twisted-p air connection does not exceed[...]

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 port s and only one of th e por ts has an inter nal c rossover (MDI-X), th e two pairs of wires mus t be strai ght-throu gh. (When a uto-nego tiation is enabled f or any RJ -45 port on this s witch, you can use either s traight-thr o[...]

C ABL ES B-4 Crossov er Wirin g If the t wisted-p air cable is to join two por ts a nd eithe r both p ort s are labeled with an “X” (M DI-X) or neit her por t is labeled with an “X” (MDI), a crossover must be imple mente d in the wi ring . (When auto -negotia tion is enable d for any R J -45 port on this swi tch, you can use either s traigh[...]

T WISTED -P AIR C ABL E AND P IN A SSIGNMENTS B-5 1000BASE-T Pin Assi gnments All 1000B ASE-T ports suppor t automatic MDI/MDI-X operation, so you can use strai ght-thr ough cables for all netw ork connect ions to PCs or servers , or to other switc hes or hub s . The table below shows the 1000B ASE-T MDI-X and MDI por t pinouts . Th ese po rt s req[...]

C ABL ES B-6 Table B-2 1000BASE-T MDI-X an d MDI Port Pinouts Cable Testing for Existing Category 5 Cable Installed Categ or y 5 c abling must pass tests for At tenuation, Near-End Crosstalk (N EXT) , and Far -End Crosstalk (FEXT). This cable testing infor mation is specified in th e AN SI/TIA/E IA-TSB-67 stand ard. Cables must also pas s test para[...]

F IBER S TAND ARDS B-7 Adjusting Existing Category 5 Cabling to Run 1000BASE-T If y our existing Categor y 5 install ation does no t meet one o f the test parameters for 1000B ASE-T , there are basically three measures that can be applied to tr y to cor r ect the pr oblem: 1. R eplace any Category 5 patch cable s with high-per for mance Categor y 5[...]

C ABL ES B-8[...]

C-1 A PPENDIX C S PECIFICATIONS Physical Chara cteristics Po r t s 24 10/100BASE-TX, with auto-negotiation 2 1000B ASE-T/SFP combination por ts Network Interface P ort s 1-24: RJ-45 connector , auto MDI/X 10B ASE-T: RJ-45 (100-ohm, UTP cable; Ca t eg ories 3 or better) 100B ASE -TX: RJ-45 (100-ohm, UTP cable; Categ ory 5 or better) P ort s 25, 26: [...]

S PECI FICAT IONS C-2 P ower Consumption 48 W att s (Switchin g syst em) 375 W atts (Po wer-ov er-Ethern et) Maximum Cur r ent 6.8 A @ 100 V A C 3.2 A @ 240 V A C LED Indicators System: PWR, Diag, RPS , Stacking Po r t s : Link/Act, P oE We i g h t 5.76 kg (12.70 lbs) Size 44.0 x 41.0 x 4.3 cm (17.32 x 16.14 x 1.69 in.) Te m p e r a t u r e Operati[...]

M ANAGEM ENT F EAT UR ES C-3 Manage ment Fe atur es In-Band Management W eb , T elnet, SSH, or SNMP mana g er Out-of-Band Mana gement RS-232 DB-9 console port Software Loadi ng TFTP in -band, or XM odem out-of -band Standards IEEE 802.3-2002 Ethernet, Fas t Ethernet, Gi g abit Ethernet, Full-duple x flow c ontrol IEEE 802.3af P ower-o ver -Ether ne[...]

S PECI FICAT IONS C-4 Compliances CE Mark Emissions Indus tr y C anada Class A EN55022 (CISPR 22) Class A FCC Class A Indus tr y C anada Class A EN55022 (CISPR 22) Class A EN 61000-3-2/3 V CCI Class A C-Tick - AS/NZS 3548 (1995) Class A Immunity EN 61000-4-2/3/4/5/6/8/11 Safety CSA/CUS (CSA60950-1 & UL60950-1) TÜV/GS (EN60950-1) CB (IEC60950-1[...]

D-1 A PPENDIX D O RDERING I NFORMATION Table D-1 TigerStack III 10 /100 Products and Accessories Product Numb er Description SMC6826MPE 24-port 10/100 stacka ble PoE switch with 2 Gigabit combination 1000BASE-T/SFP ports SMC6824S-P TigerStack III 10 /100 Stacking Kit (includes 1 m stacking cable) SMCBGSLCX1 1-p ort 1000BASE-SX Small Form Pluggable [...]

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

Glossary-1 G LOSSARY 10BASE-T IEEE 802.3 specification for 10 Mbps Ethernet ov er two pairs of Categor y 3, 4, or 5 UTP cable. 100BASE-FX IEEE 802.3u specification for F ast Ethernet over two strands of 50/125, 62.5/125 or 9/125 micron core fib er cable. 100BASE-TX IEEE 802.3u specification for 100 Mbps Ethernet over tw o pairs of Categor y 5 UTP c[...]

G LOSSAR Y Glossary-2 Auto-Negotiatio n Signalli ng method allowing each node to select its optimum ope ratio nal mode (e.g ., spee d and duplex mode ) based on the capabilitie s of the node to whic h it is connected. Bandwidth The differ ence betwee n the high est and lo west frequencies ava ilable for network signals. Also sy nonymo us with wire [...]

G LOSSAR Y Glossary-3 Fast Ethernet A 100 Mbps network comm unicati on system based on Ethernet and the CSMA/CD access method. Gigabit Ethernet A 1000 Mbps network comm unication system bas ed on Ethernet and the CSMA/CD access method. Full Duplex T ransmissio n method that al lows two netw or k devices t o trans mit and recei ve con cur rently , e[...]

G LOSSAR Y Glossary-4 IEEE 802.3x Defin es Ethernet f rame start/ stop reques ts and tim ers use d for flow control on full-duplex links . (Now incorporated in IEEE 802.3-2002.) IEEE 802.3z Defines CSMA/CD access met hod and ph ysical la yer specific ations for 1000B ASE Gigabit Ether net ov er fiber cabling . (Now incorporated in IEEE 802.3-2002.)[...]

G LOSSAR Y Glossary-5 Network Diameter Wire distance be tween two end stations in the s ame collision d omain. Redundant Power Supply (RPS) A backup pow er supp ly unit that automatically takes over in case the primar y power supply should fail. RJ-45 Connector A conn ector for t wisted-pa ir wiring . Switched Ports P or ts that are on separate col[...]

G LOSSAR Y Glossary-6[...]

Index-1 Numerics 10 Mbps connect ivity rules 4-6 100 Mbps connectivity ru les 4-6 1000 Mbps connectivity rules 4-5 100BASE cable lengths 4-6 100BASE-TX ports 1-3 10BASE cable leng ths 4-6 10BASE-T ports 1-3 A adhesive feet, attaching 3-6 air flow requirements 3-1 applicati ons central wiring closet 2-3 collapse d backbone 2-2 remote conn ections wi[...]

I NDE X Index-2 I IEEE 802.3x flow control 1- 3 indicators, LED 1-3 installation connecting devi ces to the switch 4-2 network wiring conn ections 4-3 port connections 4-1 power requirements 3- 1 problems A-2 rack mounting 3-3 SFP transceivers 3-7 site requirements 3-1 L laser safety 4-4 LED indicators Diag 1-5 Power 1-5 problems A-1 Stack 1-5 loca[...]

I NDEX Index-3 standard s compliance C-2 IEEE C- 3 status LED s 1-3 surge suppress or, using 3-1 switch architec ture 1-2 switching introducti on to 2-1 method 1-2 T Telnet A-3 tem perat ure w ithin a rac k 3-3 trouble shooting in-band a ccess A-3 power and cooling problems A-2 switch indicators A-1 twisted-pair con nections 4-1 W web-based managem[...]

I NDE X Index-4[...]

[...]

38 T esla Irvine, C A 9261 8 Phone: (949 ) 679-800 0 Model Number: SMC6826M PE Pub.Number: 150200 037700 A E062005 -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) 679-800 0; Fax: (949) 679-1481 From E urope (8:00 AM - 5:30 PM UK Time) 44 (0) 118 974 870 0; Fax: 44 (0) 118 974 87[...]