SMC Networks TigerCard 1000 Installation Manual Download Page 39 | Manualshive

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SMC Networks TigerCard 1000 Installation Manual Download Page 39

4-1

C

HAPTER

4

M

AKING

N

ETWORK

C

ONNECTIONS

Connecting Network Devices

The TigerSwitch 1000 is designed to connect to IEEE 802.3ab
compliant devices. For most applications, the TigerSwitch 1000
would be connected to other switches in the network backbone. It
may also be connected directly to Gigabit Ethernet network cards
in PCs and servers.

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Summary of Contents for TigerCard 1000

Page 1: ...dules 16 Gbps of aggregate switch bandwidth Support for redundant power unit Up to four port trunks per switch Port mirroring for non intrusive analysis QoS support for two level priority Full support for IEEE 802 1Q VLANs IGMP multicast filtering and snooping Manageable via console Web SNMP RMON Installation Guide SMC8606T ...

Page 2: ......

Page 3: ...6 Hughes Irvine CA 92618 Phone 949 707 2400 TigerSwitch 1000 Installation Guide From SMC s Tiger line of feature rich workgroup LAN solutions October 2001 Pub 150200001800A R02 ...

Page 4: ...ted by implication or otherwise under any patent or patent rights of SMC SMC reserves the right to change specifications at any time without notice Copyright 2001 by SMC Networks Inc 6 Hughes Irvine CA 92618 All rights reserved Printed in Taiwan Trademarks SMC is a registered trademark and EZ Switch TigerStack and TigerSwitch are trademarks of SMC Networks Inc Other product and company names are t...

Page 5: ...discontinued products with their respective dates of discontinuance can be found at http www smc com smc pages_html support html All products that are replaced become the property of SMC Replacement products may be either new or reconditioned Any replaced or repaired product carries either a 30 day limited warranty or the remainder of the initial warranty whichever is longer SMC is not responsible...

Page 6: ...INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE LOSS OF BUSINESS OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE INSTALLATION MAINTENANCE USE PERFORMANCE FAILURE OR INTERRUPTION OF ITS PRODUCTS EVEN IF SMC OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES SOME STATES DO NOT ALLOW THE EXCLUSION OF IM...

Page 7: ...y to operate the equipment You may use Category 5 or 5e UTP or STP cable for RJ 45 connections Use 62 5 125 or 50 125 micron multimode fiber cable or 9 125 singlemode fiber cable for SC connections Warnings 1 Wear an anti static wrist strap or take other suitable measures to prevent electrostatic discharge when handling this equipment 2 Whenconnectingthishubtoa poweroutlet connectthe field groundl...

Page 8: ... in low voltage supply system according to EN 61000 3 3 1995 Immunity Product family standard according to EN 55024 1998 Electrostatic Discharge according to EN 61000 4 2 1995 Contact Discharge 4 kV Air Discharge 8 kV Radio frequency electromagnetic field according to EN 61000 4 3 1996 80 1000 MHz with 1 kHz AM 80 Modulation 3 V m Electrical fast transient burst according to EN 61000 4 4 1995 AC D...

Page 9: ...CES iii Taiwan BSMI Class A Australia AS NZS 3548 1995 Class A SMC contact for products in Australia is SMC Communications Pty Ltd Suite 18 12 Tryon Road Lindfield NSW2070 Phone 61 2 94160437 Fax 61 2 94160474 ...

Page 10: ...so never look directly at the fiber TX port and fiber cable ends when they are powered on Ne regardez jamais le laser tant qu il est sous tension Ne regardez jamais directement le port TX Transmission à fibres optiques et les embouts de câbles à fibres optiques tant qu ils sont sous tension Niemals ein Übertragungslaser betrachten während dieses eingeschaltet ist Niemals direkt auf den Faser TX An...

Page 11: ...itraum nicht benutzt sollten Sie es vom Stromnetz trennen Somit wird im Falle einer Überspannung eine Beschädigung vermieden 12 Durch die Lüftungsöffnungen dürfen niemals Gegenstände oder Flüssigkeiten in das Gerät gelangen Dies könnte einen Brand bzw elektrischen Schlag auslösen 13 Öffnen sie niemals das Gerät Das Gerät darf aus Gründen der elektrischen Sicherheit nur von authorisiertem Servicepe...

Page 12: ...COMPLIANCES vi ...

Page 13: ... Benefits 1 7 Connectivity 1 7 Performance 1 7 Management 1 8 2 Network Planning 2 1 Introduction to Switching 2 1 Sample Applications 2 2 Backbone Consolidation 2 2 Making VLAN Connections 2 3 Connectivity Rules 2 4 1000 Mbps Gigabit Ethernet Collision Domain 2 4 100 Mbps Fast Ethernet Collision Domain 2 5 10 Mbps Ethernet Collision Domain 2 6 Application Notes 2 6 3 Installing the Switch 3 1 Sel...

Page 14: ...eshooting A 1 Diagnosing Switch Indicators A 1 Power and Cooling Problems A 1 Installation A 2 In Band Access A 2 B Cables B 1 Specifications B 1 Twisted Pair Cable and Pin Assignments B 2 1000BASE T Pin Assignments B 2 1000BASE T Cable Requirements B 4 Cable Testing for Existing Category 5 Cable B 4 Adjusting Existing Category 5 Cabling B 4 Console Port Pin Assignments B 5 DB 9 Port Pin Assignmen...

Page 15: ...TABLE OF CONTENTS ix Switch Features C 2 Management Features C 3 Standards C 3 Compliances C 4 Warranty C 4 D Ordering Information D 1 Glossary 1 Index Index 1 ...

Page 16: ...TABLE OF CONTENTS x ...

Page 17: ...mited resources This switch has six 1000BASE T RJ 45 twisted pair ports and two GBIC slots Each 1000 Mbps port can support high bandwidth connectivity within or between workgroups and increased capacity for server farms giving your users faster access to network wide resources The TigerSwitch 1000 includes a built in management agent that allows you to configure or monitor the switch using the emb...

Page 18: ...SE T compliant devices up to 100 m 328 ft away using Category 5 twisted pair cable Each port also supports the IEEE 802 3x auto negotiation of flow control so the switch can automatically prevent port buffers becoming saturated GBIC Slots The two slots on the switch front panel are for installing optional 5V GBIC transceivers Note that GBIC transceivers are hot swappable You do not need to power o...

Page 19: ...Port and System Status LEDs LED Condition Status Power On Green Switch is receiving power Off Power off or failure RPU On Green Redundant power unit is attached and is operating in a load sharing mode Off Power off or failure Diag Flashing Green System self diagnostic test in progress On Green System self diagnostic test successfully completed On Amber System self diagnostic test has failed ...

Page 20: ...nd efficient use of network bandwidth QoS priority queueing ensures the minimum delay for moving real time multi media data across the network Flow control eliminates the loss of packets due to bottlenecks caused by port saturation And broadcast storm suppression prevents broadcast traffic storms from engulfing the network Some of the management features are described below For a detailed descript...

Page 21: ...col is enabled This protocol may be configured enabled or disabled out of band via the serial console port or in band via the Web interface Telnet or SNMP network management software VLANs The TigerSwitch 1000 supports up to 256 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 segme...

Page 22: ...air Queuing It uses IEEE 802 1Q and 802 1p tags to prioritize incomming traffic based on input from the end station application driver These functions can be used for example to provide independent priorities for real time video real time voice guaranteed delivery data or best effort data Optional Redundant Power Unit SMC provides an optional Redundant Power Unit RPU SMCRPU150W that can supply pow...

Page 23: ...compliance ensures compatibility with standards based network cards and switches from any vendor Performance Transparent bridging Aggregate bandwidth of 16 Gbps Switching Table with 12K MAC address entries Provides Store and Forward switching Filtering and forwarding at line speed Broadcast storm suppression Includes support for an optional Redundant Power Unit Desktop or rack mountable Limited li...

Page 24: ...MON and Web based interface Spanning Tree Protocol for redundant network connections VLAN support for 256 groups port based or with 802 1Q VLAN tagging Quality of Service QoS supports two priority queues and Weighted Fair Queueing Multicast Switching based on IGMP Internet Group Management Protocol Snooping and Multicast Filtering ...

Page 25: ... can be attached directly to a switched port And by using full duplex mode the bandwidth of the dedicated segment can be doubled to maximize throughput When networks are based on repeater hub technology the maximum distance between end stations is limited For Ethernet there may be up to four hubs between any pair of stations for Fast Ethernet the maximum is two This is known as the hop count Howev...

Page 26: ...ations are described in this section Backbone Consolidation The TigerSwtich 1000 can consolidate a switched network backbone down into a single efficient bridged node increasing overall bandwidth and throughput In the figure below the 1000BASE T ports on the TigerSwtich 1000 are providing 2 Gbps full duplex connectivity to TigerSwitch 10 100 stacks and high volume servers Figure 2 1 Backbone Conso...

Page 27: ...entities such as Finance and Marketing When you expand port based VLANs across several switches you need to make a separate connection for each VLAN group This approach is however inconsistent with the Spanning Tree Protocol which can easily segregate ports that belong to the same VLAN When VLANs cross separate switches it is therefore better to use VLAN tagging This allows you assign multiple VLA...

Page 28: ...gth involving other devices 1000 Mbps Gigabit Ethernet Collision Domain Maximum Fiber Optic Cable Distance for 1000BASE SX Maximum Fiber Optic Cable Distance for 1000BASE LX Maximum Cable Distance for 1000BASE T Fiber Size Fiber Bandwidth Maximum Cable Length 62 5 125 micron 160 MHz km 2 220 m 7 722 ft 200 MHz km 2 275 m 7 902 ft 50 125 micron 400 MHz km 2 500 m 7 1641 ft 500 MHz km 2 550 m 7 1805...

Page 29: ...ere may be up to 3 link segments and up to 2 Class II repeaters hubs Between any two PCs or other stations in the same 100BASE TX collision domain there may be up to 2 link segments and up to 1 Class I repeater hub 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 Twisted Pair Any two devices...

Page 30: ...Swtich 1000 directly to a router or Layer 3 switch Between any two PCs or other stations in the same 10 Mbps collision domain there may be up to 5 link segments in series up to 4 repeaters hubs up to 3 populated cable segments that is segments attached to two or more PCs coax networks only The remaining two segments are unpopulated these are known as inter repeater links or IRLs This distinction b...

Page 31: ...ide adequate space approximately two inches on all sides for proper air flow be accessible for installing cabling and maintaining the devices allow the status LEDs to be clearly visible Make sure twisted pair cable is always routed away from power lines fluorescent lighting fixtures and other sources of electrical interference such as radios transmitters etc Make sure that a separate grounded powe...

Page 32: ...Mounting Kit containing two brackets and four screws for attaching the brackets to the switch Power Cord either US Continental Europe or UK This Installation Guide Management Guide SMC Warranty Registration Card be sure to complete and return to SMC Optional Rack Mounting Equipment If you plan to rack mount the switch be sure to have the following equipment available Four mounting screws for each ...

Page 33: ...t room temperature check that the rack environment temperature is within the specified operating temperature range See Appendix C Mechanical Loading Do not place any equipment on top of a rack mounted unit Circuit Overloading Be sure that the supply circuit to the rack assembly is not overloaded Grounding Rack mounted equipment should be properly grounded Particular attention should be given to su...

Page 34: ...taching the Brackets 2 Mount the device in the rack using four rack mounting screws not provided Figure 3 2 Installing the Switch in a Rack 3 If installing a single switch only turn to Connecting to a Power Source at the end of this chapter ...

Page 35: ...itch Figure 3 3 Attaching the Adhesive Feet 2 Set the device on a flat surface near an AC power source making sure there are at least two inches of space on all sides for proper air flow 3 If installing a single switch only go to Connecting to a Power Source at the end of this chapter 4 If installing multiple switches attach four adhesive feet to each one Place each device squarely on top of the o...

Page 36: ...g wavelength 1300 nm Gigabit port that can be used for a high speed backbone or server connection This port can be connected to a site up to 5 km 16404 ft away with single mode fiber cable Caution Install only 5 V GBIC transceivers into the GBIC slots You can install a GBIC transceiver as described below 1 Insert the tranceiver with the SC connector facing out toward you Note that the transceiver ...

Page 37: ...n socket Note For International use you may need to change the AC line cord You must use a line cord set that has been approved for the receptacle type in your country 3 Check the front panel LEDs as the device is powered on to be sure the Power LED is lit If not check that the power cable is correctly plugged in 4 If you have a purchased Redundant Power Unit connect it to the device and to an AC ...

Page 38: ...INSTALLING THE SWITCH 3 8 ...

Page 39: ... The TigerSwitch 1000 is designed to connect to IEEE 802 3ab compliant devices For most applications the TigerSwitch 1000 would be connected to other switches in the network backbone It may also be connected directly to Gigabit Ethernet network cards in PCs and servers ...

Page 40: ...epare the devices you wish to network For 1000 Mbps operation make sure that servers and workstations have installed 1000BASE T network interface cards Other network devices should have RJ 45 ports that comply with the IEEE 802 3ab 1000BASE T standard 2 Prepare shielded or unshielded twisted pair cables straight through or crossover with RJ 45 plugs at both ends Use 100 ohm Category 5 Category 5e ...

Page 41: ...Class 1 Laser Product and are inherently eye safe in normal operation However you should never look directly at a transmit port when it is powered on 1 Remove and keep the SC port s rubber cover When not connected to a fiber cable the rubber cover should be replaced to protect the optics 2 Check that the fiber terminators are clean You can clean the cable plugs by wiping them gently with a clean t...

Page 42: ...core size and the rating of the cable as shown in the following table Maximum 1000BASE SX Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length 62 5 125 micron 160 MHz km 2 220 m 7 722 ft 200 MHz km 2 275 m 7 902 ft 50 125 micron 400 MHz km 2 500 m 7 1641 ft 500 MHz km 2 550 m 7 1805 ft Maximum 1000BASE LX Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cab...

Page 43: ...ting Chart Symptom Action Power LED is Off Internal or redundant power supply has failed or is disconnected Check connections between the switch the power cord the wall outlet and the RPU if you are using one Contact SMC Technical Support Link LED is Off Verify that the switch and attached device are powered on Be sure the cable is plugged into both the switch and corresponding device Verify that ...

Page 44: ... the attached network using Telnet a Web browser or other network mangement software such as EliteView However you must first configure the switch with a valid IP address subnet mask and default gateway If you have trouble establishing a link to the management agent check to see if you have a valid network connection Then verify that you entered the correct IP address Also be sure the port through...

Page 45: ...BASE SX Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length 62 5 125 micron 160 MHz km 2 220 m 7 722 ft 200 MHz km 2 275 m 7 902 ft 50 125 micron 400 MHz km 2 500 m 7 1641 ft 500 MHz km 2 550 m 7 1805 ft Maximum 1000BASE LX Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length 9 125 micron N A 2 m 5 km 7 16404 ft ...

Page 46: ...ame orientation when attaching the wires to the pins 1000BASE T Pin Assignments 1000BASE T ports support automatic MDI MDI X operation so you can use straight through cables for all network connections to PCs or servers or to other switches or hubs In straight through cable pins1 8 at one end of the cable are connected straight through to pins 1 8 at the other end of the cable Use 100 ohm Category...

Page 47: ...lus TD1 Transmit Data plus TD2 2 Receive Data minus RD1 Receive Data minus RD2 3 Transmit Data plus TD2 Transmit Data plus TD1 4 Transmit Data plus TD3 Transmit Data plus TD4 5 Receive Data minus RD3 Receive Data minus RD4 6 Receive Data minus RD2 Receive Data minus RD1 7 Transmit Data plus TD4 Transmit Data plus TD3 8 Receive Data minus RD4 Receive Data minus RD3 ...

Page 48: ...or Attenuation Near End Crosstalk NEXT and Far End Crosstalk FEXT This cable testing information is specified in the ANSI TIA EIA TSB 67 standard Additionally cables must also pass test parameters for Return Loss and Equal Level Far End Crosstalk ELFEXT These tests are specified in the ANSI TIA EIA TSB 95 Bulletin The Additional Transmission Performance Guidelines for 100 Ohm 4 Pair Category 5 Cab...

Page 49: ... connect to the serial port are provided in the following tables Figure B 1 DB 9 Console Port Pin Numbers DB 9 Port Pin Assignments EIA Circuit CCITT Signal Description Switch s DB9 DTE Pin PC DB9 DTE Pin Signal Direction DTE DCE CF 109 DCD Data Carrier Detected 1 1 BB 104 RxD Received Data 2 2 BA 103 TxD Transmitted Data 3 3 CD 108 2 DTR Data Terminal Ready 4 4 AB 102 SG Signal Ground 5 5 CC 107 ...

Page 50: ...s 9 Pin COM Port 1 DCD DCD 1 2 RXD TXD 3 3 TXD RXD 2 4 DTR DSR 6 5 SGND SGND 5 6 DSR DTR 4 7 RTS CTS 8 8 CTS RTS 7 9 RI RI 9 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 1 1 2 3 3 2 4 8 5 20 6 7 7 4 9 5 20 6 ...

Page 51: ... UTP or STP cable using all four wire pairs Buffer Architecture 2 Mbytes per port Aggregate Bandwidth 16 Gbps Switching Database 12K MAC address entries LEDs System Power RPU Diag Port Link ACT FDX Weight 10 14 lbs 4 6 kg Size 17 37 x 11 22 x 1 699 in 44 0 x 28 5 x 4 3 cm Temperature Operating 32 to 122 F 0 to 50 C Storage 40 to 158 F 40 to 70 C ...

Page 52: ...tts maximum Heat Dissipation 239 BTU hr maximum Maximum Current 0 5A 110VAC 0 7A 240VAC Switch Features Spanning Tree Protocol Broadcast Storm Suppression Forwarding Mode Store and forward Flow Control IEEE 802 3x VLAN Support Up to 256 groups port based or with IEEE 802 1Q VLAN tagging Quality of Service Supports two priority queues with Weighted Fair Queueing ...

Page 53: ...ivate MIB RMON Support Groups 1 2 3 9 Statistics History Alarm Event Additional Features Port Mirroring Port Trunking IGMP Snooping and Multicast Filtering Standards IEEE 802 3z Gigabit Ethernet IEEE 802 3ab Gigabit Ethernet IEEE 802 1D Spanning Tree Protocol IEEE 802 1p priority tags IEEE 802 1Q VLANs IEEE 802 3ac VLAN tagging IEEE 802 3x full duplex flow control ISO IEC 8802 3 SNMP RFC 1157 RMON...

Page 54: ...missions FCC Class A Industry Canada Class A EN55022 CISPR 22 Class A VCCI Class A EN 61000 3 2 3 C Tick AS NZS 3548 1995 Class A Immunity EN 61000 4 2 3 4 6 8 10 11 Safety CSA NRTL UL1950 CSA 22 2 950 TUV GS EN60950 Warranty Limited lifetime ...

Page 55: ...ailable 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 ...

Page 56: ...ORDERING INFORMATION D 2 ...

Page 57: ... for Gigabit Ethernet over two pairs of Category 5 5e 100 ohm UTP cable Auto Negotiation Signalling method allowing each node to select its optimum operational mode e g 10 Mbps or 100 Mbps and half or full duplex based on the capabilities of the node to which it is connected Bandwidth The difference between the highest and lowest frequencies available for network signals Also synonymous with wire ...

Page 58: ... 100BASE FX and that has a smaller internal delay so that two such repeaters can reside within a single collision domain when maximum cable lengths are used Collision A condition in which packets transmitted over the cable interfere with each other Their interference makes both signals unintelligible Collision Domain Single CSMA CD LAN segment CSMA CD Carrier Sense Multiple Access Collision Detect...

Page 59: ... system based on Ethernet and the CSMA CD access method Fast Ethernet Switch Device that provides a full 100 Mbps bandwidth or either 10 or 100 Mbps bandwidth with auto negotiation to each port LAN segment Full Duplex Transmission method that allows switch and network card to transmit and receive concurrently effectively doubling the bandwidth of that link Gigabit Ethernet A 1000 Mbps network comm...

Page 60: ...Snooping Listening to IGMP Query and IGMP Report packets transferred between IP Multicast Routers and IP Multicast host groups to indentify IP Multicast group members LAN Segment Separate LAN or collision domain Layer 3 Network layer in the ISO 7 Layer Data Communications Protocol This layer handles the routing functions for data moving from one open system to another LED Light emitting diode used...

Page 61: ...ndependent Interface the standard interface for Fast Ethernet similar to the AUI interface for traditional Ethernet Network Diameter Wire distance between two end stations in the same collision domain RJ 45 Connector A connector for twisted pair wiring Redundant Power Supply RPS A backup power supply that automatically takes over in case the primary power supply should fail Remote Monitoring RMON ...

Page 62: ...Tree Protocol STP See Spanning Tree Algorithm Straight through Port An RJ 45 port which does not cross the receive and transmit signals internally so it can be connected with straight through twisted pair cable to any device having a crossover port Also referred to as a Daisy Chain port Switched Ports Ports that are on separate collision domains or LAN segments Telnet Defines a remote communicatio...

Page 63: ... network nodes that share the same collision domain regardless of their physical location or connection point in the network A VLAN serves as a logical workgroup with no physical barriers allowing users to share information and resources as though located on the same LAN ...

Page 64: ...GLOSSARY Glossary 8 ...

Page 65: ... cable lengths 2 4 CE Mark i ii compliances i connectivity rules 10 Mbps 2 6 100 Mbps 2 5 1000 Mbps 2 4 console port 1 4 console port pin assignments B 5 contents of package 3 2 cooling problems A 1 cord sets international 3 7 D DC input 1 6 desktop mounting 3 5 device connections 4 1 E E 1 2 EC conformance i ii electrical interference avoiding 3 1 EMC safety compliance i equipment checklist 3 2 E...

Page 66: ...based 1 4 managment agent 1 4 MIB support C 3 mounting the switch in a rack 3 3 on a desktop or shelf 3 5 multicast switching IGMP 1 6 IGMP Snooping 1 6 N network connections 4 2 network examples 2 2 null modem cable 1 4 O ordering information D 1 out of band management 1 4 P package contents 3 2 pin assignments B 2 pin assignments console port B 5 port saturation 1 2 1 4 port based VLANs 2 3 port...

Page 67: ...3 specifications compliances C 4 environmental C 1 physical C 1 power C 2 standards compliance i C 4 standards IEEE C 3 status LEDs 1 3 surge suppressor using 3 1 switching introduction to 2 1 T tagging VLAN 2 3 tags priority 1 6 Telnet 1 5 A 2 temperature within a rack 3 3 traffic priority 1 6 troubleshooting in band access A 2 power and cooling problems A 1 switch indicators A 1 U UL compliance ...

Page 68: ...INDEX Index 4 ...

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Page 70: ...9 707 2460 Spain 34 93 477 4920 Fax 34 93 477 3774 UK 44 0 1188 748700 Fax 44 0 1189 748701 Southern Europe 33 1 41 18 68 68 Fax 33 1 41 18 68 69 Central Eastern Europe 49 0 89 92861 200 Fax 49 0 89 92861 230 Nordic 46 8 564 33145 Fax 46 8 87 62 62 Middle East 971 48818410 Fax 971 48817993 South Africa 27 0 11 3936491 Fax 27 0 11 3936491 PRC 86 10 6235 4958 Fax 86 10 6235 4962 Taiwan 886 2 2659 96...

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