SMC Networks 1000 manual

T igerSwitch 1000 Gigabit Ether net Switch ◆ 6 auto-MDIX 10/10 0/1000B ASE-T ports ◆ T wo slots for hot-swappable 1000B ASE-X GBIC modules ◆ 16 Gbps of agg re gate swit ch bandwidt h ◆ Support for redundant po wer unit ◆ Up to four port trunks per swit ch ◆ Port mirroring for non-i ntrusi ve analysis ◆ QoS support for t wo-le v el pri[...]

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6 Hughes Irvine, CA 9261 8 Phone: (9 49) 707-24 00 T igerSwitch 1000 Installation Guide From SMC’ s T iger line of feature-rich w o rkgroup LAN solutions October 20 0 1 Pub. #150 200001800A R0 2[...]

Informati on furnished by SMC Networ ks, Inc. (SMC) is believed to be accu rate and r eliable. Ho wever , no re sponsibi lity is assumed b y SMC for its us e, nor fo r any inf ringe ments of patents or oth er right s of thi rd part ies whic h may r esul t from i ts use. No lice nse is gr anted by imp lication or otherwise under any paten t or pat e[...]

L IMITED W ARRAN TY Limited Wa rranty Limite d W arranty St atemen t: SMC Networks, Inc. (“SMC”) warrants its prod ucts to be free from defe cts in wor kmanship and materi als, under n ormal us e and service, for the applicable warranty term. All SMC prod ucts carry a standard 90-day limited warra nty fr om the d ate of purc hase from SMC o r i[...]

L IMITED W ARRAN TY IN F ACT OR BY OPERA TION OF LA W , ST A TUTORY OR OTHER WISE, INCLUD ING W ARRANTIES OR COND ITION S OF ME RCHANT ABIL ITY AN D FITNE SS FOR A P ARTICUL AR PURPOSE . SMC N EITHER AS SUMES NOR A UTHORIZES ANY OTHER PERSON TO A SSUME FO R IT A NY OTH ER LIA BILITY IN CONN ECTION WITH THE SALE, INST ALLA TION, MA INTENANCE OR USE [...]

i C OMPLIANCES FCC - Class A This equip ment gene rates, uses , and can ra diate radio f reque ncy ene rgy and, if n ot instal led and u sed in ac cordan ce wit h the i nstr uctio n manua l, may cause inter fere nce to radio communications. It has been tested and found to comply with the limits for a Class A comp uting device p ursuant to Subp art [...]

C OMPLIANCES ii EC Conformance Declaration - Class A SMC contact for these produc ts in Europe is: SMC Netw orks Euro pe, Edificio Con ata II, Calle Fruc tuós Gelaber t 6-8, 2 o , 4 a , 08970 - Sant Joan Despí, Barcelona, Spai n. This in formation techno logy equ ipment complies with th e requirem ents o f the Council Directive 89/336/EE C on the[...]

C OMPLIANCES iii T aiwan BSMI Class A Australia AS/NZS 3548 (1995) - Class A SMC cont act for product s in Au stralia is: SMC C omm unica tions Pty. Ltd. Suite 18, 12 T ryon Road , Lin dfie ld NSW 2070 , Phon e: 61-2- 941604 37 Fax: 61-2- 941604 74[...]

C OMPLIANCES iv Safety Compliance W arning: Fiber Optic Port Sa fety Avertissment: Ports pour fibres optiques - sécurité sur le plan optique W arnhinweis: Faser optikanschlüsse - Opt ische Sicher heit Underwrite rs Laboratories Compliance Statement Important! Before maki ng connect ions, ma ke sure yo u have th e correct cord set. Check it (r ea[...]

C OMPLIANCES v Wichtige S icherheitshinwe ise (Ger many) 1. Bitte les en Sie di ese Hinwei se sorgfältig d urch. 2. Heben Sie diese Anleitu ng für den späteren Gebrauch auf. 3. V or jedem R einigen ist das Gerät vom Stro mnetz zu trennen. V e rwenden Sie keine F lüssigode r Aerosol reinige r . A m beste n eignet sich ein ang efeuchte tes Tuch [...]

C OMPLIANCES vi[...]

vii T ABLE OF C ONTENTS Index 7 1 About the TigerSwitch 1000 1-1 Overvie w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Descript ion of Har dware . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1000BASE- T Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 GBIC Sl ots . . . . . . . .[...]

T ABLE OF C ONTENTS viii Option al Rack-M ounting Equipmen t . . . . . . . . . . . . . . . 3-2 Mounti ng . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Rack Mo unting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Deskto p or Shelf Mounting . . . . . . . . . . . . . . . . . . . . . 3-5 Instal ling[...]

T ABLE OF C ONTENTS ix Switch Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2 Management Featu res . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3 Standard s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3 Complianc es . . . . . . . . . . . . . . . . . . . . . . . [...]

T ABLE OF C ONTENTS x[...]

1-1 C HAPTER 1 A BOUT THE T IGER S WITCH 1000 Overview The Ti gerSwi tch 10 00 is a h igh-perfo rmance Gigabi t Ethe rnet switc h designed for the network cor e. It provides eight 1000 Mbp s port s that can sig nific antly impr ove th e performa nce of yo ur netw ork’s back bone, and del iver the th roughp ut needed to suppor t a broad r ange of [...]

A BOUT THE T IGER S WIT CH 1000 1-2 Figure 1-1. Front and Re ar Panels Desc ripti on of Hardwa re 1000BASE-T Ports These ports are RJ-45 po rts that operate at 10 Mbps, 100 Mb ps and 1000 Mb ps, full and ha lf duplex. The port s can b e conne cted t o other IEEE 802.3ab 1 000BASE-T compliant devi ces up to 100 m (328 ft .) away u sing C ategory 5 t[...]

A BOUT THE T IGER S WIT CH 1000 1-3 Status LEDs The LED s, whic h are loc ated on the fr ont pan el for easy viewing, are show n below an d described in the following table. Figure 1-2. Port and System LEDs Port and System Status LEDs LED Condition Status Power On Gre en Switc h is re ceiving power . Off Power off or failur e. RPU On Green Redundan[...]

A BOUT THE T IGER S WIT CH 1000 1-4 Network Management Agent The Ti gerSwitc h 1000 includes a built -in net work managem ent agent. The agent offers a va riety of m anageme nt options , includ ing SNMP , RMON and a W e b-based interface. The switch also provides a serial port on the rear p anel for out-o f-band manag ement. This i s an RS-23 2 ser[...]

A BOUT THE T IGER S WIT CH 1000 1-5 Spanning Tree Protocol The Ti gerSwi tch 10 00 supp orts AN SI/I EEE 802.1 d Spannin g T ree Prot ocol. This pr otocol adds a level of faul t toleran ce by allowi ng two or more redu ndant c onnecti ons to be created between a pair of LAN segmen ts. Whe n there are multip le physic al paths betwee n segment s, th[...]

A BOUT THE T IGER S WIT CH 1000 1-6 Multica st Swit ching Specific multicast traffic c an be assigned to its own VLAN to ensure that it doe s not interfer e with normal network tr affic and to guarant ee real-time delivery by se tting th e required prio rity leve l for th e desig nated V LAN. Th e switc h uses IG MP Snoop ing and IGMP to manag e mu[...]

A BOUT THE T IGER S WIT CH 1000 1-7 Features a nd Benefit s Connectivity ◆ 6 10 /100/10 00BASE- T RJ -45 por ts ◆ Two sl ots for opti onal GBIC modu les ◆ Auto- negotiatio n of duplex mode and flow cont rol ◆ IEEE 802.3ab Gigabi t Ethernet compl iance ensur es compatib ility with stan dards-bas ed network card s and switc hes from an y vend[...]

A BOUT THE T IGER S WIT CH 1000 1-8 Management ◆ “ At-a -gla nce ” LEDs for easy troubl eshooti ng ◆ Network m anagement ag ent: • Suppor ts Te lnet, SNMP /RMON an d Web-bas ed inte rface • Spanning Tree Pr otocol f or redund ant netw ork conne ctions • VLAN support for 256 groups, port -based or wi th 80 2.1Q VLAN ta gging • Qualit[...]

2-1 C HAPTER 2 N ETWORK P LANNING Introduction to Switching A netw ork switch al lows simul taneous t ransmiss ion of mult iple pack ets via no n-crossb ar switching. This me ans that i t can part iti on a networ k more efficient ly than bridges or routers . The s witch h as, there fore, been r ecogni zed as o ne of the mo st imp ortant build ing b[...]

N ETWORK P LANNIN G 2-2 Sample Applications The Ti gerSwtich 1000 is desi gned t o conso lidate yo ur net work core pr oviding hi gh-ban dwidth con nection s between wor kgrou p switc hes and ser ver farms. Some typical app licatio ns are de scribe d in this sect ion. Backbone Consolidation The Ti gerSwtic h 1000 can consol idate a switc hed net wo[...]

N ETWORK P LANNIN G 2-3 Making VLAN Connections VLANs c an be based on port gr oups, or each data fr ame can be expl icit ly tagg ed to ide ntify th e VLA N grou p it belo ngs to . When using po rt-base d VLANs, po rts can eith er be assign ed to one specifi c group or to all groups. Port-b ased VLANs ar e suitable for small netw orks. A sing le sw[...]

N ETWORK P LANNIN G 2-4 Connectivity Rules When a dding hu bs (re peate rs) to your netwo rk, plea se follow the conne ctivit y rules l isted b elow for Et her net an d Fast Eth ern et. However , note that becau se swit ches brea k up the path for connec ted dev ices in to sep arate col lision d omains, you should not includ e the s witch o r conne[...]

N ETWORK P LANNIN G 2-5 100 Mbps Fast Ethernet Collision Domain SMC 3-2 Rule for Class II Repeaters SMC 2-1 Rule for Class I Repeaters Maximum 100BASE-TX Network D iameter Using Repeat ers Maximum Fast Ethernet Cable Distance Between any two PCs or other stations in the same 100BASE-TX collision domain, there may be: • up to 3 link segments and ?[...]

N ETWORK P LANNIN G 2-6 10 Mbps Ethernet Collision Domain SMC 5-4-3 Rule Maximum Cable Length Application Notes 1. Full-d uplex operation on ly appli es to point-t o-poin t access , such as when a switch is attached to a workstation, server or another switch. 2. For net work app lications that act ually re quire r outing, such as when int erconnec [...]

3-1 C HAPTER 3 I NSTALLING THE S WI TCH Selecting a Site TigerS witch 1000 units can be m ounted in a standard 19-inch equi pment rack or on a fl at surface . Be su re to follo w the guidel ines below when choosing a location. ◆ The site should: • be at th e center of all the de vice s you want to li nk and ne ar a power outlet. • be able to [...]

I NSTAL LING THE S WIT CH 3-2 Equipment Checklist After unp acking the TigerSwitch 1000, check the con tents to be sure you hav e received all the component s. Then, before beginn ing the i nstallation , be sure you have al l other n ecessary instal lation eq uipmen t. Package Contents ◆ TigerSwit ch 1000 (SM C8606T) uni t ◆ Four adhes ive f oo[...]

I NSTAL LING THE S WIT CH 3-3 Mounting A Tiger Switch 1 000 unit can be mo unted in a standa rd 19-in ch equi pment ra ck or on a de sktop or shelf. Mo untin g instruc tions fo r each type of si te follow. Rack Mounting Befo re rack mounting the switch, pay par ticular attentio n to th e following factors: ◆ Temperature: Since the temperatu re wi[...]

I NSTAL LING THE S WIT CH 3-4 Figure 3-1. Attac hing th e Bracke ts 2. Mount t he devic e in the rack, us ing four rack-mou nting sc rews (not provided). Figure 3 -2. Instal ling the S witch in a Rack 3. If in stalling a sing le swit ch only, turn to “ Connec ting to a Powe r Source ” at the end of this chapter .[...]

I NSTAL LING THE S WIT CH 3-5 4. If insta llin g multip le swit ches , mount th em in the rack, one below the oth er , in any or der . 5. If al so instal ling R PUs, mou nt them in the r ack belo w the other devic es. Desktop or Shelf Mounting 1. Att ach the four adhesi ve feet to the bott om of the fir st switc h. Figure 3-3. Attaching the Adhesiv[...]

I NSTAL LING THE S WIT CH 3-6 Installing a GBIC Transceiver The t wo slots on th e switc h front panel are for i nstalli ng opti onal GBIC tran sceive rs. The GBIC slo ts suppor t the foll owing transcei vers: ◆ 1000 BASE- SX ◆ 1000 BASE-LX The 100 0BASE-SX GB IC tran sceive rs provid e one sho rt-wavel ength (850 nm ) Gigabit port th at can be[...]

I NSTAL LING THE S WIT CH 3-7 Connecting to a Power Source T o connec t a device to a pow er sour ce: 1. In sert th e power cable pl ug dir ectly in to the receptacle loca ted at the back of the devi ce. Figure 3-4. Powe r Rece ptacle 2. Plug t he othe r end o f the cable in to a gr ounded, 3 -pin so cket. Note: For I nternational use, you may need[...]

I NSTAL LING THE S WIT CH 3-8[...]

4-1 C HAPTER 4 M AKIN G N ETWORK C ONNECTIONS Connecting Network Devices The Ti gerSwi tch 10 00 is de signed to connect to IEE E 802.3ab complian t dev ices. For mo st appli c atio ns, the Ti gerS witch 10 00 would be co nnected to oth er switche s in th e network bac kbone. I t may als o be co nnected direct ly to Gig abit Eth ernet net work car [...]

M AKING N ETWORK C ONNE CTIONS 4-2 Connecting to 100 0BASE-T Devices The R J-45 port s on t he TigerS witch 100 0 operate at 10 Mbps, 100 Mbps, and 1000 Mb ps, full and half d uplex, wit h suppor t for auto- negot iatio n of spee d, dupl ex mo de and f low cont rol. Y ou ca n connec t any RJ- 45 port on the s witch to any serv er or work station, o[...]

M AKING N ETWORK C ONNEC TIO NS 4-3 Note: For 1000 Mbps ope ratio n, all f our wir e pairs in the c able m ust be conn ected . 1000BA SE-T p orts suppo rt the Au to MDI/ MDI-X feature, which means that at any operating speed (10, 100, o r 1000 Mb ps), eit her str aight -throu gh or cr ossove r cables can be us ed to c onnect to any serve r, works t[...]

M AKING N ETWORK C ONNE CTIONS 4-4 All the SC-typ e ports operat e at 1000 Mbps with su pport for auto-ne g oti ation of dup lex mode (full /half) and flow co ntrol. Al so note the maximum l ength for 1000BASE-SX and 100 0BASE-LX fiber optic cable d epends o n the c ore siz e and the rati ng of the cable , as shown i n the fo llowing t able. Maximu[...]

A-1 A PPENDIX A T ROUBLESHOOTING Diagnosing Switch Indicators Power and Cooling Problems If the pow er indic ator doe s not tur n on whe n the powe r cord is plugged in, you may have a p roblem wi th the power outlet , power cord, or internal power supply. Howeve r , if the un it powers o ff after run ning for a while, check for loo se power c onne[...]

T R OUBLESHOOTI NG A-2 on the unit ar e unobst ructed and ru nning pri or to shutdown . If you st ill cann ot iso late the problem, then t he inte rnal power supply may be defe ctive. In this case, co ntact SMC Technical Support fo r assistance. Installation V eri fy that all s ystem comp onents have been pr operly ins talled. If one or m ore compo[...]

B-1 A PPENDIX B C ABLES Specificati ons Cable Types and Specifications Cable Type Max. Length Connector 1000BASE-T Cat. 5, 5e 100-ohm UTP 100 m (328 ft) RJ-45 Maximum 1000BASE-SX Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length 62.5/ 125 micr on 160 MHz /km 2-220 m (7-722 ft) 200 MHz /km 2-275 m (7-902 ft) 50/12 5 micro[...]

C ABLES B-2 Twisted-Pair Cable and Pin Assignments Caution: DO NOT plug a ph one jack connec tor into any RJ-4 5 port . Use only t wisted- pair cab les with RJ-45 c onnecto rs that con form with FCC s tandards. The RJ- 45 ports on the switch support 10 00, 100 and 10 Mbps Ethernet o peration, with auto -negotiat ion of flow cont rol. Caution: E a c[...]

C ABLE S B-3 Note that for 1000 BASE-T oper ation, all four pairs of wires are used for bot h transmit and receive. Pin MDI Signal Name MDI-X Signal Name 1 Transmit Data plus (TD1+) Transmit Data plus (TD2 +) 2 Receive Data m inus (RD 1-) Receive Data minus (RD2-) 3 Transmit Data plus (TD2+) Transmit Data plus (TD1+) 4 Transmit Data plus (TD3+) Tra[...]

C ABLES B-4 1000BASE-T Cable Requirements All Categor y 5 UTP cables that are used for 100BASE-T X connec tions sh ould also work for 1000 BASE-T , providin g that all four wire pairs are connec ted. Howev er , it is rec ommended t hat for all cr itical co nnectio ns, or any new c able ins tallation s, Cate gory 5e (enhance d Cate gory 5 ) cable s [...]

C ABLE S B-5 Console Port Pin Assignments T h e D B - 9 s e r i a l p o r t o n t h e s w i t c h ’ s re ar pan el is used to conn ect to the s witch for out-o f-band con sole c onfiguratio n. The on-boar d menu -drive n config uratio n progr am can be ac cessed f rom a ter mina l or a PC r unning a te r minal emul ation pr ogram. Th e pin ass ig[...]

C ABLES B-6 Console Port to 9-Pin COM Port on PC Console Port to 25-Pin DTE Port on PC Switch ’ s 9-Pin Seria l Port CCITT Signal PC ’ s 9-Pin COM P ort 1 DCD ----------- DCD ------------ 1 2 RXD <--------- TXD ------------ 3 3 TXD ----------- RXD ----------> 2 4 DTR ----------- DSR ----------> 6 5 SGND ----------- SGND ---------- 5 6 [...]

C-1 A PPENDIX C S PECIFICATIONS Physical Characteristics Ports 6 RJ-4 5 ports 2 GBIC slots Network Inter face RJ-45 conne ctor , 100-ohm C ategory 5 or 5e UTP or STP cabl e (using all fou r wire pairs) Buf fer Ar chitectur e 2 Mbyte s per port Aggreg ate B andw idth 16 Gbps Switching Dat abase 12K MA C addr ess en tries LEDs System : Power , RPU, D[...]

S PECI FICA TIONS C-2 Humidity Operating : 5% to 95% Power Suppl y Inter nal, auto-rang ing tr ansfor mer: 100 to 240 V AC, 50 t o 60 Hz Redundan t DC input Power Consumption 70 W a tts maximum Heat Di ssipati on 239 BTU/h r maximu m Maximu m Curr ent 0.5A @ 110V AC 0.7A @ 240V AC Switch Features Spanning T ree Protocol Broadcast Stor m Suppr essio[...]

S PECIFICATIO NS C-3 Management Features In-Band Management T elnet, W eb-base d HTTP , or SNM P manager Out-of-Band Management RS-2 32 DB-9 consol e port Softwar e Loading TFTP in- band or XModem out- of-band MIB S upport MIB II (RFC 1213), Bri dge MIB (RFC 1493), Ethernet-Like MIB (RFC 1643), RMON MIB (RFC 1 757), SMC ’ s private MI B RMON Supp[...]

S PECI FICA TIONS C-4 Compliances CE Mar k Emissions FCC Class A Indust ry Ca nada Class A EN55022 (CISP R 22) Class A VCCI Cl ass A EN 61000- 3-2/3 C-Tick - AS/NZS 3548 (1995) Clas s A Immunity EN 61 000-4 -2/3/4/6 /8/10 /11 Safety CSA/N RTL (UL1950, CSA 22.2.95 0) TUV/GS(EN 60950) Warranty Limited lifetime[...]

D-1 A PPENDIX D O RDERING I NFORMATION * Also available in models for Continental Europe and the UK. TigerSwitch 1000 Products and Accessories Product Number Description SMC8606T 6-port Gigabit Ethernet switch with two GBIC slots SMCRPU150W* Redundant Power Unit with cables, supports one device[...]

O RDE RIN G I NFOR MATI ON D-2[...]

Glossary-1 G LOSSARY 10BAS E-T IEEE 80 2.3 spe cification for 1 0 Mbps Et hernet over two pair s of Cate gory 3, 4, or 5 UT P cable.. 100BASE-TX IEEE 80 2.3u specifi cation fo r 100 M bps Fast Ethernet ov er two pairs of Categ ory 5 UT P cable. 1000BAS E-T IEEE 80 2.3ab specifi cation fo r Gigab it Ethe rnet over two pairs of Cate gory 5, 5e 100-oh[...]

G LOSSA RY Glossary-2 Class I Repeater Fast Ethernet repeater t hat is princip ally use d to connect differen t physic al signalin g systems (e.g., 100BASE- TX, 100BASE -FX) and that h as an int ernal delay s uch t hat only one repeater of th is type can res ide wit hin a sin gle colli sion domain when maximum c able leng ths are us ed. Class II Re[...]

G LOSSAR Y Glossary-3 Ethernet A net work com municat ion sy stem develope d and standard ized by DEC, Int el, and Xer ox, using b aseband tr ansmissio n, CSMA/C D acces s, logi cal b us topolo gy, and coaxi al cable. T he suc cessor I EEE 802.3 s tandard provides for integ ration int o the OSI model and exten ds the physical laye r and media with [...]

G LOSSA RY Glossary-4 IEEE 802.3u Defines CSMA/CD acce ss method and physical laye r specific ations for 100 BASE-TX Fas t Ethernet . IEEE 802.3x Defin es Ethe rnet frame s tart/st op requ ests and timers used fo r flow c ontrol on full- duplex links. IEEE 802.3z Defines CSMA/CD acce ss method and physical laye r specific ations for 100 0BASE G iga[...]

G LOSSAR Y Glossary-5 Local Area Network (LAN) A group of intercon necte d compute r and supp ort de vices. Media Access Control (MAC) A por tion of the net workin g protoc ol that governs access t o th e transm ission medium , faci litati ng the exc hange of data be tween networ k nodes. MIB An acro nym for Ma nageme nt Inf ormat ion Bas e. It is [...]

G LOSSA RY Glossary-6 Simple Network M anagement Protocol (SNMP) An app lication protocol offer ing net work manag ement se rvices in the In ternet s uite of p rotocols . Spanning Tree Algorithm (STA) A techn ology t hat che cks your n etwork fo r any loo ps. A loop ca n often occur in complic ated n etwork sy stem s or system s with redundan t lin[...]

G LOSSAR Y Glossary-7 Virtual LAN (VLAN) A V irtual LAN is a collecti on of netwo rk nodes t hat sh are the same collis ion domain regardle ss of their physic al location or connecti on point i n the networ k. A VLAN serve s as a logical work group wi th no phy sical barr iers, allo wing use rs to share inf ormation and resour ces as t hough loc at[...]

G LOSSA RY Glossary-8[...]

Index-1 Numerics 10 Mbps connectivity rules 2-6 100 Mbps conn ectivit y rule s 2- 5 1000BASE-LX fiber cable lengths 2 -4 1000BASE-SX fiber cable lengths 2 -4 1000BASE-SX connections 4-2 1000BASE-SX ports 1-2 1000BASE-T cable lengths 2-4 A accessories, ordering D -1 address table size C -1 adhesive feet, attaching 3-5 air flow requirements 3-1 appli[...]

I NDEX Index-2 I IEEE 802.3x flow control 1-2 IEEE 802.3z devices, conecting to 4-1 IEEE 802.3z Gigabit Ethernet 1-7 indicators, LED 1-3 installation desktop or shelf mounting 3-5 port connections 4-2 power r equire ments 3 -1 problem s A-2 rack mounting 3-3 RPUs in racks 3 -5 site requirements 3 -1 L laser safety iv , 4-3 LED indicators ACT 1-4 Po[...]

I NDEX Index-3 routing applications 2-6 RPUs connecting 3-7 installing in a rack 3-5 installing on a desktop 3-5 RS-232 s eria l port 1-4 rubber foot pads, attaching 3-5 S safety compliance iv sample applications 2-2 screws for rack mounting 3-2 serial port 1-4 site selelction 3-1 SNMP agent 1-4 Spanning Tree Protocol 1-5 , 2-3 specifications compl[...]

I NDEX Index-4[...]

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6 Hughes Irvine, C A 9261 8 Phone: (949 ) 707-2400 FOR TECHNICAL SUPPOR T , CALL: From U.S.A. an d Canada (2 4 hours, 7 days a we ek) (800) SMC-4-YOU; (94 9) 707-2400; (949) 707-2460 (Fax) From Europe (8:00 AM - 5:30 PM UK Greenwich Mean T ime) 44 (0) 1188 7487 40; 44 (0) 1189 74 8741 (Fax) INTERNET E-mail a ddresses: techsupp ort@smc.c om europea [...]