SMC Networks SMC6724L2 manuale d’uso

T igerSwitch 10/100 24-P ort F ast Ether net Switch ◆ 24 10B ASE-T/100B ASE-TX ports ◆ Optional 1000B ASE-SX modules ◆ 8.8 Gbps of aggregate bandwidth ◆ Spanning T ree Protocol ◆ Up to four port trunks ◆ Port mirroring for non-intrusi ve analysis ◆ QoS support for four -lev el priority ◆ Full support for VLANs with GVRP ◆ IP Multi[...]

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6 Hughes Irvine, CA 92618 Phone: (949) 707 -2400 T igerSwitch 10/100 Installation Guide From SMC’s T ige r line of feature-rich workgroup LAN solutions December 2000 Pub. # F2.10c 150546-102 R01[...]

Information furnished by SMC Ne tworks, Inc. (SMC) is belie v ed to be accurate and reliable. However , no responsibility is assumed by SMC for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SMC. SMC [...]

L IMITED W ARRANTY Limited Warranty Limited W arranty State ment: SMC Networks, In c. (“SMC”) warrants its pro ducts to be free from defects in workmanship and mat erials, under normal use and service, for the applicable warranty term. All SMC products carry a standard 90-day limited warranty from the date of purchase from SMC or its Authorized[...]

L IMITED W ARRANTY W ARRANTIES EXCLUSIVE: IF AN SMC PRODUCT DOES NOT OPERA TE AS W ARRANTED ABOVE, CUSTOMER’S SOLE REMEDY SHALL BE REP AIR OR REPLACEMENT OF THE PRODUCT IN QUESTION, A T SMC’S OP TION. THE FOREGOING W ARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER W ARRANTIES OR CONDITIONS, EXPRESS OR IMPLI ED, EITHER IN F ACT[...]

i C OMPLIANCES FCC - Class A This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accord ance with the instruction manual, may cause interference to radio communications. It has been tested and found to comply with the limits for a Class A computing device pursuant to Subpart B of Part 15 of FCC R[...]

C OMPLIANCES ii Industry Canada - Class A This digital apparatus does not ex ceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference-caus ing equipment standard entitled “Digital Apparatus,” ICES-003 of the Department of Communications. Cet appareil numérique respecte les limites de bruits radio?[...]

C OMPLIANCES iii Safety Compliance W ar ning: Fiber Optic Port Safety Avertissmen t: Ports pour fibres optiques - sécurité sur le plan optique W ar nhinweis: Faseroptikanschlüsse - Optische Sicherheit Underwriters Laboratories Compliance St atement Important! Before making connections, make sure you have the co rr ect cord set. Check it (read th[...]

C OMPLIANCES iv Wichtige Sicher heitshi nweise (Ger many) 1. Bitte lesen Sie diese Hinweise sorgfältig durch. 2. Heben Sie diese Anleitung für den späteren Gebrauch auf. 3. V or jedem Reinigen ist das Gerät vom Stromnetz zu trennen. V erwenden Sie keine Flüssigoder Aerosolreiniger . Am besten eignet sich ein an gefeuchtetes Tuch zur Reinigung.[...]

v T ABLE OF C ONTENTS 1 About the TigerSwitch 10/100 . . . . . . . . . . . . . . 1-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Switch Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Management Options . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Description of Hard[...]

T ABLE OF C ONTENTS vi 10 Mbps Ethernet Co llision Domain . . . . . . . . . . . . . . . 2-6 SMC 5-4-3 Rule . . . . . . . . . . . . . . . . . . . . . . . . . . 2- 6 Maximum Ethernet Cable Distance . . . . . . . . . . . . 2- 6 Application No tes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 3 Installing the Switch . . . . . . [...]

T ABLE OF C ONTENTS vii Console Port to 9-Pin COM Port on PC . . . . . . . . . . . . . B-6 Console Port to 25-Pin DCE Port on Modem . . . . . . . . . B-6 Console Port to 25-Pin DTE P ort on PC . . . . . . . . . . . . . B-7 C Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1 Physical Characteristics . . . . . . . . . . . . .[...]

T ABLE OF C ONTENTS viii[...]

1-1 C HAPTER 1 A BOUT THE T IGER S WITCH 10/100 Overview SMC ’ s TigerSwitch ™ 10/100 is a fast Ether net switch with 24 10BASE-T/10 0BASE-TX ports, plus two slots for optional slid e-in 1000BASE-SX module s. There is also an SNMP-based manage ment agent embedded on th e main board. This agent supports both in-band and out-of-band access for ma[...]

A BOUT THE T IGER S WITCH 10/100 1-2 Switch Architecture The TigerSwitch employs a high-speed switch ing fabric. This design allows for simultaneous transport of multiple p ackets at low latency on all ports. It also uses store-and-forward switching to ensure maximum d ata integrity. In this mode, the entire packet must be received into a port buf [...]

A BOUT THE T IGER S WITCH 10/100 1-3 Description of Hardware 10BASE-T/100BASE-TX Ports (SMC6724L2) These ports are dual-speed RJ-45 ports. Ports 1 through 23 are labeled with an “ x ” to indicate that they have a built-in crossover (MDI-X). W orkstations and servers can be connected to these ports with straight-through cable. Port 24 is switch-[...]

A BOUT THE T IGER S WITCH 10/100 1-4 Status LEDs The LEDs, which are located on the front pan el for easy viewing, are shown below and describ ed in the following table. Figure 1-4. Port and System LEDs Port and System Status LEDs LED Condition Status Power On Switch is receiving power. RJ-45 Ports Link & Activity On Port has established a vali[...]

A BOUT THE T IGER S WITCH 10/100 1-5 Switch Management This switch includes a built-in m anagement agent that offers a variety of management options, including SNMP , RMON and a W eb-based inter face. The switch also includes an RS-232 serial port for out-of-band management. A PC may be connected to this port for configuration an d monitoring purpo[...]

A BOUT THE T IGER S WITCH 10/100 1-6 port, or in-band via the W eb interface , T elnet, o r SNMP network management software. VLANs The TigerSwitch 10/100 supports up to 64 VLANs. A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network. By segmentin[...]

A BOUT THE T IGER S WITCH 10/100 1-7 Optional Media Extender Module Optional 1000BASE-SX Module (SMC6724L2GSSC) Figure 1-5. Single-Port 1000BASE-SX Gigabit Module Using fiber optic cable, the 100 0BASE-SX port can be connected to a remote site up to 5 50 m (1805 ft.) away. Th e 1000BASE-SX Gigabit module operates at 1 Gbps, with support for full-du[...]

A BOUT THE T IGER S WITCH 10/100 1-8 Features and Benefits Connectivity ◆ 24 dual-speed ports for easy Fast Ethernet integration and fo r protection of your investment in legacy LAN equipment ◆ Auto-negotiatio n enables each R J-45 port to autom atically select the optimum comm unication mode (half or full duplex and 10 or 100 Mbps) if this fea[...]

A BOUT THE T IGER S WITCH 10/100 1-9 Performance ◆ Transparent bridging ◆ Aggregate bandwidth up to 8 .8 Gbps ◆ Switching Table with 12K MA C address entries ◆ Provides Store-and-Forward switching ◆ Filtering and forwarding at line speed ◆ Broadcast storm control ◆ Desktop or rack-mountable ◆ Limited lifetime warranty Management ◆[...]

A BOUT THE T IGER S WITCH 10/100 1-10[...]

2-1 C HAPTER 2 N ETWORK P LANNING Introduction to Switching A network switch allows simultan eous transmission of multiple packets via non-crossbar switching. This means that it can partition a network more efficien tly than bridges or routers. The switch has, therefore, bee n recognized as one o f the most important build ing blocks for today ’ [...]

N ETWOR K P LANNING 2-2 Sample Applications The TigerSwitch 10/100 is not only de signed to segment y our network, but also to provide a wide range of options in setting up network connections. Some ty pical applications are described below. Collapsed Backbone The TigerSwitch 10/100 is an excellent ch oice for mixed Ethe rnet and Fast Ether net ins[...]

N ETWORK P LANNING 2-3 Remote Connections with Fiber Cable Fiber optic technology allows for longer cabling than any othe r media type (up to 550 m eters for 1 Gbps fiber). Th e TigerSwitch can serve as a col lapsed backbone, prov iding direct connectiv ity for a widespread LAN. The Gigabit module can be used for a high-speed connection betwe en fl[...]

N ETWOR K P LANNING 2-4 When you expand port-based VLANs across several switches, you need to make a separate connection fo r each VLAN group. This approach is, however , inconsistent with the Spanning T ree Protocol, which can easily segregate ports that belong to the same VLAN. When VLANs cross separate switches, it is therefore be tter to use VL[...]

N ETWORK P LANNING 2-5 Connectivity Rules When adding hubs (repeaters) to your network, please follow the connectivity rules liste d below for Ether net, Fast Etherne t, or Gigabit Ethernet. Howe ver , note th at because switches break up the path for connected devices into separate col lision domains, you should not include th e switch or connecte[...]

N ETWOR K P LANNING 2-6 Maximum Network Diameter Using Repeaters Maximum Fast Ethernet Cable Distance 10 Mbps Ethernet Collision Domain SMC 5-4-3 Rule Maximum Ethernet Cable Distance Repeater Type and Number Twisted Pair 100BASE-TX 1 Class I 200 m (656 ft.) 1 Class II 200 m (656 ft.) 2 Class II 205 m (672.4 ft.) Cable Type Connecting Max. Distance [...]

N ETWORK P LANNING 2-7 Application Notes 1. Full-duplex o peration only applies to point-to-point access (such as when a switch is attached to a workstation, server or another switch). When the switch is con nected to a hub, both devices must operate in h alf-duplex mode. 2. When a switch is connected to a hub or an y kind of shared media, remember[...]

N ETWOR K P LANNING 2-8[...]

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

I NSTALLING THE S WITCH 3-2 Equipment Checklist After unpacking the TigerSwitch 10/100, check the contents to be sure you have receiv ed all the components. Then, b efore beginning the installation, b e sure you have all other necessary installation equipment. Package Contents ◆ TigerSwitch 10/100 uni t, SMC6724L2 ◆ Four adhesive foot pads ◆ [...]

I NSTALLING THE S WITCH 3-3 Mounting A TigerSwitch 10/100 u nit can be mounted in a standard 19-inch equipment rack or on a desktop or shel f. Mounting instr uctions for each type of site follow. Installing Optional Modules : Before mounting the switch, be sure you install any o ptional modules. If you h ave purchased optional slide-in 1000BASE-SX [...]

I NSTALLING THE S WITCH 3-4 T o rack-mount devices: 1. Attach the brackets to the device using the screws provided in the Bracket Mounting Kit. Figure 3-1. Attaching the Brackets 2. Mount the device in the rac k, using four rac k-mounting screws (not provided). Figure 3-2. Installing the Switch in a Rack[...]

I NSTALLING THE S WITCH 3-5 3. If installing a singl e switch only, turn to “ Connecting to a Power Source ” at the end of this chapter . 4. If installing multiple switches, mount them in the rack, one below the other , in any order . Desktop or Shelf Mounting 1. Attach the four adhesive feet to the bottom of the first switch. Figure 3-3. Attac[...]

I NSTALLING THE S WITCH 3-6 Connecting to a Power Source T o co nnect a device t o a power sourc e: 1. Insert the power cable plug directly into the receptacle located at the back of the d evice. Figure 3-4. Power Receptacle 2. Plug the other end of the cable into a grounded, 3-pin socket. Note: For International use, yo u may need to change the AC[...]

4-1 C HAPTER 4 M AKING N ETWORK C ONNECTIONS Connecting Network Devices The TigerSwitch 10/100 is designed to interco nnect multiple segments (or collisio n domains). It may be connected to 10 o r 100 Mbps network cards in PCs and servers, as well as to Ether net and Fast Ethernet hu bs, switches or routers. It may also be connected to remote devic[...]

M AKING N ETWORK C ONNECTIONS 4-2 make a connection, PCs can be connecte d to these ports with straight-through cable. 10BASE-T/100BASE-TX hubs and switches, on the other hand, may have either crossover (MDI-X) or straight-through (M DI) ports. For this reason, the type of cabl e used to connect these devices to the TigerSwitch is deter mined by th[...]

M AKING N ETWOR K C ONNECTIONS 4-3 Connecting to PCs, Servers, Hubs and Switches 1. Attach one end of a twiste d-pair cable segment to the device ’ s RJ-45 connector . Figure 4-1. Making Twisted-Pair Connections 2. If the device is a network card and th e TigerSwitch is in th e wiring closet, attach the other end of the cable segment to a modular[...]

M AKING N ETWORK C ONNECTIONS 4-4 5. As each connection is made, the green Link LED (on the TigerSwitch) corresponding to each port will light to indicate that the connection is valid. Wiring Closet Connections T oday, th e punch-down block is an integral part of many of the newer equipmen t racks. It is actually part of th e patch panel. Instructi[...]

M AKING N ETWOR K C ONNECTIONS 4-5 Fiber Optic Devices An optional slide-in 10 00BASE-SX module may be u sed for a backbone connection betwe en switches, or for connecting to a high-speed server . Each fiber optic port requires 50/1 25 or 62.5/125 mi cron multimode fiber optic cabling with an SC connector at both ends. If you need to connect to a d[...]

M AKING N ETWORK C ONNECTIONS 4-6 Figure 4-3. Making SC P ort Connections 4. As a connection is made, check the Activity LED o n the switch ’ s front panel for the corresponding module to be sure that the connection is valid. Note: If you use the optional SC -ST Converter, be s ure to connect the converter ’ s T x ( R x ) p o r t t o t h e R x [...]

A-1 A PPENDIX A T ROUBLESHOOTING Diagnosing Switch Indicators Troubleshooting Chart Symptom Action Power LED is Off • Internal power supply has failed or is disconnected. • Check connections between the switch, the power cord, the wall outlet. • If the switch is installed in a rack, check the connections to the punch-down block and patch pane[...]

T R OUBLESHOOTIN G A-2 Power and Cooling Problems If the power indicator does n ot turn on when the power cord is plugged in, you may have a problem with the power outlet, power cord, or internal power supply. However , if the unit powers off after running for a while, check for loose power connections, power losses or surges at the power outlet, a[...]

T R OUBLESH OOTING A-3 Note: You can configure the manageme nt agent to accept from one to four simu ltaneous Telnet sessions. If the maximum number of sessions already exists, an additio nal Telnet connection will n ot be able to log into the system.[...]

T R OUBLESHOOTIN G A-4[...]

B-1 A PPENDIX B C ABLES Specifications Note: If you need to connect to a device with 62.5/125 micron cable that has ST-type connectors, SMC provides an optional SC-ST Converter (Part Number: 9 9-012034-091). 10BASE-T Twisted-Pair Cable Cable Type Category Connector 100-ohm UTP, 22 - 26 AWG 0.4 - 0.6 mm, 2 pairs 3, 4, 5 male, 8-pin RJ-45 100BASE-TX [...]

C ABLES B-2 Twisted-Pair Cable and Pin Assignments Caution: DO NOT plug a phone jack conne ctor into any RJ-45 port. Use only twisted-pair cables with RJ-45 connectors that conform with FCC standards. For 100BASE-TX/10BASE-T connections, a twisted-pai r cable must have two pairs of wires. Each wire pair is identified by two different colors. For ex[...]

C ABLES B-3 100BASE-TX/10BASE-T Pin Assignments With 100BASE-TX/10BASE-T cable, pins 1 and 2 ar e used for transmitting data, and pins 3 and 6 for r eceiving data. Straight-Through Wiring If the twisted-pair cable is to join two ports and only one of the ports has an int ernal c rossover (MDI-X ), the two pa irs of wires must be straight-through. R[...]

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 ” (MDI-X) or neither port is labele d with an “ x ” (MDI), a crosso ver must be implemented i n the wiring. Crossover RJ-45 Pin Assignments End 1 End 2 1 (Tx+) 3 (Rx+) 2 (Tx-) 6 (Rx-) 3 (Rx+) 1 (Tx+) 6 (Rx-) 2 (Tx-)[...]

C ABLES B-5 Console Port Pin Assignments Th e D B - 9 s e r i al p o r t o n th e s w i t c h ’ s front panel is used to co nnect to the switch for out-of-b and console configuration. The on-board menu-driven configuration program can be accessed from a terminal, a PC running a terminal emulation program, o r from a remote location via a modem co[...]

C ABLES B-6 DB-9 Port Pin Assignments Console Port to 9-Pin COM Port on PC Console Port to 25-Pin DCE Port on Modem EIA Circuit CCITT Signal Description Switch ’ s DB9 DTE Pin # PC DB9 DTE Pin # Modem DB25 DCE Pin # Signal Direction DTE-DCE CF 109 DCD (Data Carrier De tected) 1 1 8 <------ BB 104 RxD (Received Data) 2 2 3 <----- - BA 103 Tx[...]

C ABLES B-7 Console Port to 25-Pin DTE Port on PC Switch ’ s 9-Pin Serial Port Null Modem PC ’ s 25-Pin DTE Port 1 DCD 8 DCD 2 RXD 3 TXD 3 TXD 2 RXD 4 DTR 20 DTR 5 SGND 7 SGND 6 DSR 6 DSR 7 RTS 4 RTS 8 CTS 5 CTS 9 RI 22 RI 11 23 32 48 52 0 67 74 95 20 6[...]

C ABLES B-8[...]

C-1 A PPENDIX C S PECIFICATIONS Physical Characteristics Ports 24 10BASE-T/100BASE-TX, with auto-negotiation 2 slots for op tional single-port 1000BASE-SX media expansion modules Network Inter face 10BASE-T: RJ-45 (100-ohm, UTP cable; Categories 3, 4, 5) 100BASE-TX: RJ-45 (100-ohm, UTP cable ; Category 5) Ports 1-23: RJ-45 connectors, fixed crossov[...]

S PECIFICATI ONS C-2 We i g h t 7.94 lbs (3.6 kg) Size 17.37 x 11.22 x 1 .7 in (44.0 x 28.5 x 4. 3 cm) T emperature Operating: 32 to 122 ° F (0 to 5 0 ° C) Storage: -40 to 158 ° F (-40 to 70 ° C) Humidity Operating: 5% to 95% AC Input 100 to 240 V , 50 to 60 Hz Power Supply Internal, auto-ranging transformer: 100 to 240 V AC, 50 to 60 Hz Power [...]

S PECIFI CATIONS C-3 Switch Features Spanning Tree Protocol Forwarding Mode Store-and-forward Throughput Wire speed Flow Control Full Duplex: IEEE 802.3x Half Duplex: Back pressure Broadcast Storm Contr ol VLAN Support Up to 64 groups; port-based or with 802.1 Q VLAN tagging, GVRP for automatic VLAN lear ning Multicast Switching IGMP Snooping Quali[...]

S PECIFICATI ONS C-4 Management Features In-Band Management T elnet, W eb-based HTTP , or SNMP manager (EliteView Network Management software provided for free) Out-of-Band Management RS-232 DB-9 console po rt Software Loadin g TFTP in-band or XModem out-of-band MIB Support MIB II (RFC 1213), Bridge MIB (RFC 1493), Ethern et-Like MIB (RFC 1643), RM[...]

S PECIFI CATIONS C-5 Standards IEEE 802.3 Ether net, IEEE 80 2.3u Fast Ether net IEEE 802 .3z Gigabit Ethernet IEEE 802. 1D Spanning T ree Protocol and traffic pr iorities IEEE 802.1p priority tags IEEE 802.3ac VLAN tagging IEEE 802.1Q V LAN Bridge Manage ment IEEE 802.3x full-duplex flow control ISO/IEC 8802-3 SNMP (RFC 1157), RM ON (RFC 1757), AR[...]

S PECIFICATI ONS C-6 Slide-in Module 1000BASE-SX Extender Module Model SMC6724L2GSSC Ports 1 1000BASE-SX Network Inter face SC connector , 50/125 o r 62.5/125 micron multimode fiber cable Standar ds 802.3z Gigabit Ether net[...]

D-1 A PPENDIX D O RDERING I NFORMATION TigerSwitch 10/100 Products and Accessories Product Number Description SMC6724L2 24-p ort Fast Ethernet Switch with two media expansion slots SMC6724L2GSSC Gigabit Module with one 1000BASE-SX Port (SC-type Connector) 99-012034-091 SC to ST plug converter for fiber optic module[...]

O RDE RIN G I NFOR MAT ION D-2[...]

Glossary-1 G LOSSARY 10BASE-T IEEE 802. 3 specification for 10 Mb ps Ethernet over two pair s of Category 3, 4, or 5 UTP cabl e. 100BASE-FX IEEE 802.3u specification for 100 Mbps Fast Ether net over two strands of 50/125 or 62.5/125 micron core fiber cable. 100BASE-TX IEEE 802.3u specification for 100 Mbps Fast Ether net over two pairs of Category [...]

Glossary-2 Class I Repeater Fast Ethernet re peater that is principally used to connect dif ferent physical signaling system s (e.g., 100BASE-TX, 100BASE-FX) and that has an internal delay such that only one repeater of this type can reside within a si ngle collision domain whe n maximum cable lengths are used. Class II Repeater Fast Ethernet repea[...]

Glossary-3 Ethernet A network communication system developed an d standardized by DEC, Intel, and Xerox, using baseband transmission, CSMA/CD access, logical bus topolo gy, and coaxial cable. Th e successor IEEE 802.3 standard provides fo r integration into the OSI mode l and extends the physical layer and media with repeaters and implementations t[...]

Glossary-4 IEEE 802.3u Defines CSMA/CD access method and physical layer specifications for 100BASE-TX Fast Ether net. IEEE 802.3x Defines Ethernet frame start/stop requests and timers used for flow control on full-d uplex links. IEEE 802.3z Defines CSMA/CD access method and physical layer specifications for 1000BASE Gigabit Ethernet. LAN Segment Se[...]

Glossary-5 MIB An acronym for Manageme nt Information Base . It is a set of database objects that co ntains information abo ut the device. MII Media Independent Interface, the standard interface for Fast Ethernet — sim ilar to the AUI inter face for traditional Ether net. Network Diameter Wire distance between two end stations in the same collisi[...]

Glossary-6[...]

Index-1 Numerics 10 Mbps connectivity rules 2-6 100 Mbps connectivity rules 2-6 1000 Mbps connectivity rules 2-5 1000BASE-SX connections 4-5 fiber cable lengths 2-5 modules 1-7 100BASE cable lengths 2-6 100BASE-TX ports 1-3 10BASE cable lengths 2-6 10BASE-T ports 1-3 A accessories, ordering D-1 address table size C-1 adhesive feet, attaching 3-5 ai[...]

Index-2 G Gigabit Ethernet cable lengths 2-5 grounding for racks 3-3 GVRP 1-5 I IEEE 802.3x flow control 1-3 indicators, LED 1-4 installation connecting devices to the switch 4-3 desktop or shelf mounting 3-5 installing optional modules 3-3 port connections 4-1 , 4-5 power requirements 3-1 problems A-2 rack mounting 3-3 site requirements 3-1 wiring[...]

Index-3 DB-9 B-5 port saturation 1-3 , 1-5 port-based VLANs 2-3 ports, connecting to 4-1 , 4-5 power, connecting to 3-6 problems, troubleshooting A-1 Q QoS 1-5 R rack mounting 3-3 rear panel of switch 1-1 rear panel receptacles 1-7 RJ-45 port connections 4-1 RJ-45 ports 1-3 RMON 1-2 routing applications 2-7 rubber foot pads, attaching 3-5 S safety [...]

Index-4[...]

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6 Hughes Irvine, CA 92618 Phone: (949) 707-2 400 FOR TECHNICAL SUPPOR T , CALL: From U.S.A. and Canada (8 :30 AM - 8:00 PM Pacif ic Time) (800) SMC-4-Y OU; (949) 707-24 00; (949) 707-2460 (F ax) From Europe (8:00 AM - 5:30 PM UK Greenwich Mean T ime) 44 (0) 1189 7487 40; 44 (0) 1189 748741 (Fax) INTERNET E-mail addresses: techsupport@smc.com europe[...]