SMC Networks 6750L2 Скачать руководство пользователя страница 27

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EATURES

AND

ENEFITS

1-11

Management

◆

“At-a-glance” LEDs for easy troubleshooting

◆

Network management agent:

•

Web-based management with embedded HTTP server

•

Command line management through 4 in-band Telnet sessions,
and an out-of-band RS-232 console port (VT100)

•

Simple network management protocol (SNMP)-based network
management via an SNMP management console application

•

RADIUS access control

•

Software upload via TFTP

•

Dual firmware image support

•

Supports BOOTP and DHCP for IP address assignment

•

Hardware assisted remote monitoring (RMON) statistics
collection

Содержание 6750L2

Страница 1: ...ssociated SFP slots Non blocking switching architecture Support for redundant power unit Spanning Tree Protocol Up to six LACP or static 4 port trunks Layer 2 3 4 CoS support through four priority queues Full support for VLANs with GVRP IGMP multicast filtering and snooping Manageable via console Web SNMP RMON Installation Guide SMC6750L2 ...

Страница 2: ......

Страница 3: ...38 Tesla Irvine CA 92618 Phone 949 679 8000 TigerSwitch 10 100 Installation Guide From SMC s Tiger line of feature rich workgroup LAN solutions June 2002 Pub 150200016500A ...

Страница 4: ...ed by implication or oth erwise under any patent or patent rights of SMC SMC reserves the right to change specifications at any time without notice Copyright 2002 by SMC Networks Inc 38 Tesla 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...

Страница 5: ...service_warranty 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 for any custom software or firmware configuration information or memory data of Customer contained in stored on...

Страница 6: ...SS 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 IMPLIED WARRANTIES OR THE LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR CONSUMER PRODUCTS SO THE ABOVE LI...

Страница 7: ...ielded twisted pair UTP cable for RJ 45 connections Category 3 or greater for 10 Mbps connections Category 5 for 100 Mbps connections and Category 5 or 5e for 1000 Mbps connections Use 50 125 or 62 5 125 micron multimode fiber optic cable or 9 125 micron single mode cable for SFP transceiver connections Warnings 1 Wear an anti static wrist strap or take other suitable measures to prevent electrost...

Страница 8: ...ding 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 DC power supply 1 kV Data Signal lines 0 5 kV Surge immunity test according to EN 61000 4 5 1995 AC DC Line to Line 1 kV AC DC Line to Earth 2 kV Immun...

Страница 9: ...tions Cet appareil numérique respecte les limites de bruits radioélectriques applicables aux appareils numériques de Classe A prescrites dans la norme sur le matériel brouilleur Appareils Numériques NMB 003 édictée par le ministère des Communications Japan VCCI Class A Taiwan BSMI Class A Australia AS NZS 3548 1995 Class A SMC contact for products in Australia is SMC Communications Pty Ltd Suite 1...

Страница 10: ...ort 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 Anschluß und auf die Faserkabelenden schau...

Страница 11: ...traum 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 Serviceper...

Страница 12: ...COMPLIANCES viii ...

Страница 13: ...9 Connectivity 1 9 Performance 1 9 Management 1 11 2 Network Planning 2 1 Introduction to Switching 2 1 Sample Applications 2 2 Collapsed Backbone 2 2 Central Wiring Closet 2 3 Remote Connections with Fiber Cable 2 4 Making VLAN Connections 2 5 Connectivity Rules 2 6 1000 Mbps Gigabit Ethernet Collision Domain 2 6 100 Mbps Fast Ethernet Collision Domain 2 7 Maximum Fast Ethernet Cable Distance 2 7...

Страница 14: ... Contents 3 2 Optional Rack Mounting Equipment 3 2 Mounting 3 3 Rack Mounting 3 3 Desktop or Shelf Mounting 3 5 Connecting to a Power Source 3 6 4 Making Network Connections 4 1 Connecting Network Devices 4 1 Twisted Pair Devices 4 1 Cabling Guidelines 4 1 Connecting to PCs Servers Hubs and Switches 4 2 Wiring Closet Connections 4 3 ...

Страница 15: ...ignments B 4 1000BASE T Cable Requirements B 5 Cable Testing for Existing Category 5 Cable B 5 Adjusting Existing Category 5 Cabling to Run 1000BASE T B 5 Console Port Pin Assignments B 6 DB 9 Port Pin Assignments B 6 Console Port to 9 Pin COM Port on PC B 6 Console Port to 25 Pin DTE Port on PC B 7 C Specifications C 1 Physical Characteristics C 1 Switch Features C 3 Management Features C 4 Stand...

Страница 16: ...CONTENTS xii ...

Страница 17: ... combination with 2 Small Form Factor Pluggable SFP transceiver slots This switch can easily tame your network with full support for Spanning Tree Protocol Multicast Switching Virtual LANs and Layer 2 3 4 CoS services Figure 1 1 Front and Rear Panels System Indicators 10 100 Mbps RJ 45 Ports Mode Select Button Port Status Indicators Console Port Redundant Power Socket Power Socket 1000BASE T SFP P...

Страница 18: ...t allows the switch to be managed in band using SNMP or RMON Groups 1 2 3 and 9 protocols with a Web browser or remotely via Telnet The switch provides an RS 232 serial port DB 9 connector on the front panel for out of band management A PC may be connected to this port for configuration and monitoring out of band via a null modem cable See Appendix B for wiring options This switch provides a wide ...

Страница 19: ...ing Tree Protocol is enabled This protocol may be configured out of band via the serial console port or in band via the Web interface Telnet or SNMP network management software VLANs The TigerSwitch 10 100 supports up to 255 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...

Страница 20: ... provides Class of Service CoS by prioritizing each packet based on the required level of service using four distinct queues with Weighted Round Robin queuing for each port It uses IEEE 802 1p and 802 1Q tags to prioritize incoming traffic based on input from the end station application Also the switch provides Layer 3 4 priority mapping of IP Precedence DSCP values or IP TCP UDP port numbers to t...

Страница 21: ...f these ports does not support auto negotiation the communication mode of that port can be configured manually Each port also supports IEEE 802 3x auto negotiation of flow control so the switch can automatically prevent port buffers from becoming saturated 1000BASE T SFP Ports These are combo Gigabit RJ 45 ports with shared Small Form Factor Pluggable SFP transceiver slots If an SFP transceiver pu...

Страница 22: ...een Port has established a valid 100 Mbps network connection Flashing indicates activity Off There is no valid link on the port Gigabit Ethernet Ports Ports 49 50 Link Act On Flashing Amber Port has established a valid 10 Mbps or 100 Mbps network connection Flashing indicates activity On Flashing Green Port has established a valid 1000 Mbps network connection Flashing indicates activity Off There ...

Страница 23: ...y has failed Off The unit has no power connected RPU On Green The redundant power supply is operating normally On Red The redundant power supply has failed Off No redundant power supply is connected Diag On Green The system diagnostic test has completed successfully Flashing Green The system diagnostic test is in progress On Red The system diagnostic test has detected a fault ...

Страница 24: ...upply power to the switch in the event of failure of the internal power supply Power Supply Receptacles There are two power receptacles on the rear panel of the switch The standard power receptacle is for the AC power cord The receptacle labeled DC Input is for the optional Redundant Power Unit RPU Figure 1 3 Power Supply Receptacles ...

Страница 25: ...full duplex if this feature is supported by the attached device otherwise the port can be configured manually Independent RJ 45 10BASE T 100BASE TX ports with support for auto MDI MDI X Unshielded UTP cable supported on all RJ 45 ports Category 3 4 or 5 for 10 Mbps connections Category 5 for 100 Mbps connections and Category 5 or 5e for 1000 Mbps connections IEEE 802 3u IEEE 802 3z and IEEE 802 3a...

Страница 26: ...Broadcast storm control Internet group management protocol IGMP snooping support Back pressure flow control for half duplex operation Port mirroring Auto MDI MDIX support for the 10 100BASE TX and the 10 100 1000BASE T ports MAC addresses lookup based on port virtual local area network VLAN ID and MAC addresses Includes support for an optional Redundant Power Unit Desktop or rack mountable Limited...

Страница 27: ...t through 4 in band Telnet sessions and an out of band RS 232 console port VT100 Simple network management protocol SNMP based network management via an SNMP management console application RADIUS access control Software upload via TFTP Dual firmware image support Supports BOOTP and DHCP for IP address assignment Hardware assisted remote monitoring RMON statistics collection ...

Страница 28: ...ABOUT THE TIGERSWITCH 10 100 1 12 ...

Страница 29: ... 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...

Страница 30: ... future You can easily build on this basic configuration adding direct full duplex connections to workstations or servers When the time comes for further expansion just cascade the TigerSwitch to an Ethernet or Fast Ethernet hub or switch In the figure below the TigerSwitch 10 100 is operating as a collapsed backbone for a small LAN It is providing dedicated 20 Mbps full duplex connections to work...

Страница 31: ...ork down into a single efficient bridged node increasing overall bandwidth and throughput In the figure below the 10BASE T 100BASE TX ports on the TigerSwitch are providing 100 Mbps connectivity for up to 48 segments In addition the switch is also connecting servers at 200 Mbps Figure 2 2 Central Wiring Closet 10 100 Mbps Segments TigerSwitch 10 100 Server Farm ...

Страница 32: ...ble Figure 2 3 Collapsed Backbone Using Fiber Cable Server Farm 10 100 Mbps Segments Remote Switch Remote Switch 1000BASE LX SMF 5 kilometers Headquarters 1000BASE SX MMF 500 m 1 13 7 19 2 14 8 20 3 15 9 21 4 16 10 22 5 17 11 23 6 18 12 24 25 26 25 26 1 2 3 4 5 6 13 14 15 16 17 18 7 8 9 10 11 12 19 20 21 22 23 24 Clear Reset Reset Self Test Self Test Fan Status Fan Status Link Act Link Act Console...

Страница 33: ...witches 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 to assign multiple VLAN groups to the trunk ports that is tagged ports connecting different switches Figure...

Страница 34: ...ngth for 100BASE FX fiber depends on the duplex mode the maximum length for 1000BASE X fiber is the same for both half and full duplex Maximum 1000BASE T Gigabit Ethernet Cable Length Cable Type Maximum Cable Length Category 5 5e 100 ohm UTP or STP 100 m 328 ft Maximum 1000BASE SX Fiber Optic Cable Distance Fiber Diameter Fiber Bandwidth Cable Length Range 62 5 125 micron multimode fiber MMF 160 M...

Страница 35: ...100BASE FX Multimode 50 125 or 62 5 125 micron core multimode fiber MMF 2 km 1 24 miles 100BASE FX Single Mode 9 125 micron core single mode fiber SMF 20 km 12 43 miles Between any two PCs or other stations in the same 100BASE TX collision domain there may be up to 3 link segments up to 2 Class II repeaters hubs Between any two PCs or other stations in the same 100BASE TX collision domain there ma...

Страница 36: ...100BASE TX 1 Class I 200 m 656 ft 1 Class II 200 m 656 ft 2 Class II 205 m 672 4 ft 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...

Страница 37: ...rom being propagated thoughout the hub 3 For network applications that require routing between dissimilar network types you can attach the TigerSwitch 10 100 units directly to a router 4 As a general rule the length of fiber optic cable for a single switched link should not exceed Gigabit Ethernet 550 m 1805 ft for multimode fiber or 5 km 16404 ft for single mode fiber Fast Ethernet 2 km 1 24 mile...

Страница 38: ...NETWORK PLANNING 2 10 ...

Страница 39: ...ng provide 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 and transmitters Make sure that a separate ground...

Страница 40: ...Kit containing two brackets and eight screws for attaching the brackets to the switch Power Cord either US Continental Europe or UK RS 232 console cable 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 scr...

Страница 41: ...ithin a rack assembly may be higher than the ambient room temperature check that the rack environment temperature is within the specified operating temperature range See page C 2 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 gr...

Страница 42: ...ces 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 rack using four rack mounting screws not provided Figure 3 2 Installing the Switch in a Rack ...

Страница 43: ... adhesive feet to the bottom of the first switch 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 on...

Страница 44: ...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 purchased a Redundant Power Unit connect it to the device and to an AC ...

Страница 45: ...ce requires an unshielded twisted pair UTP cable with RJ 45 connectors at both ends For 100BASE TX connections Category 5 cable is required for 10BASE T Category 3 4 or 5 cable can be used For 1000BASE T connections Category 5 or 5e recommended cable is required with all four wire pairs connected You should also test the cable installation for IEEE 802 3ab compliance See 1000BASE T Cable Requireme...

Страница 46: ...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 the TigerSwitch is in the wiring closet attach the other end of the cable segment to a modular wall outlet that is connected to the wiring closet see Wiring Closet Connections on the next page Otherwise attach the other end to an available port on the switch Make sure...

Страница 47: ...nections in the wiring closet with this type of equipment follow 1 Attach one end of a patch cable to an available port on the switch and the other end to the patch panel 2 If not already in place attach one end of a cable segment to the back of the patch panel where the punch down block is located and the other end to a modular wall outlet 3 Label the cables to simplify future troubleshooting Fig...

Страница 48: ...MAKING NETWORK CONNECTIONS 4 4 ...

Страница 49: ...ED is Off Internal power supply is disconnected Check connections between the switch the power cord and the wall outlet Contact SMC Technical Support Power LED is Red Internal power supply has failed Contact your local dealer for assistance Link LED is Off Verify that the switch and attached device is powered on Be sure the cable is plugged into both the switch and corresponding device Verify that...

Страница 50: ...switch from anywhere within the attached network using Telnet a Web browser or other network management 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 A...

Страница 51: ... micron core single mode fiber SMF 20 km 12 43 miles SC ST or MT RJ 1000BASE SX 50 125 or 62 5 125 micron core MMF See the following table SC ST LC SG or MT RJ 1000BASE LX 9 125 micron SMF 5 km 3 12 miles SC ST LC SG or MT RJ 1000BASE T Cat 5 5e 100 ohm UTP 100 m 328 ft RJ 45 1000BASE SX Fiber Specifications Fiber Diameter Fiber Bandwidth Cable Length Range 62 5 125 micron MMF 160 MHz km 2 220 m 7...

Страница 52: ... two different colors For example one wire might be red and the other red with white stripes Also an RJ 45 connector must be attached to both ends of the cable Caution Each wire pair must be attached to the RJ 45 connectors in a specific orientation See Cabling Guidelines on page 4 1 for an explanation Figure B 1 illustrates how the pins on the RJ 45 connector are numbered Be sure to hold the conn...

Страница 53: ...cted straight through to pins 1 2 3 and 6 at the other end of the cable The table below shows the 10BASE T 100BASE TX MDI and MDI X port pinouts Note If auto negotiation is disabled for an RJ 45 port the auto MDI MDI X pin signal configuration is also disabled RJ 45 Pin Assignments Pin Number Assignment1 1 Tx 2 Tx 3 Rx 6 Rx 1 The and signs represent the polarity of the wires that make up each wire...

Страница 54: ...e Use 100 ohm Category 5 or 5e unshielded twisted pair UTP or shielded twisted pair STP cable for 1000BASE T connections Also be sure that the length of any twisted pair connection does not exceed 100 meters 328 feet Pin MDI Signal Name MDI X Signal Name 1 Transmit Data plus TD1 Transmit Data plus TD2 2 Receive Data minus RD1 Receive Data minus RD2 3 Transmit Data plus TD2 Transmit Data plus TD1 4...

Страница 55: ...ests for 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...

Страница 56: ...in assignments used to connect to the serial port are provided in the following tables Figure B 2 DB 9 Console Port Pin Numbers DB 9 Port Pin Assignments Console Port to 9 Pin COM Port on PC EIA Circuit CCITT Signal Description Switch s DB9 DTE Pin PC DB9 DTE Pin Signal Direction DCE DTE BB 104 RxD Received Data 2 2 BA 103 TxD Transmitted Data 3 3 AB 102 SGND Signal Ground 5 5 No other pins are us...

Страница 57: ...CONSOLE PORT PIN ASSIGNMENTS B 7 Console Port to 25 Pin DTE Port on PC Switch s9 PinSerial Port Null Modem PC s25 PinDTE Port 2 RXD RXD 2 TXD 3 TXD TXD 3 RXD 5 SGND SGND 7 SGND No other pins are used ...

Страница 58: ...CABLES B 8 ...

Страница 59: ...e Categories 3 4 5 100BASE TX RJ 45 100 ohm UTP cable Category 5 Ports 1 48 RJ 45 connector auto MDI MDI X 10 100 1000 BASE T RJ 45 100 ohm Category 5 or 5e UTP or STP cable Ports 49 50 RJ 45 connector auto MDI MDI X Buffer Architecture 64 Mbytes per system Switching Database 8191 MAC address entries LEDs System Power RPU Diag Port Link Act FDX Weight 4 36 kg 9 5 lbs Size 44 0 x 35 4 x 4 3 cm 17 3...

Страница 60: ... F Storage 40 to 70 C 40 to 158 F Humidity Operating 10 to 90 AC Input 100 to 240 V 50 to 60 Hz Power Supply Internal auto ranging transformer 90 to 260 VAC 47 to 63 Hz Redundant DC input Power Consumption 48 Watts maximum Maximum Current 5 A 110 VAC 2 A 240 VAC ...

Страница 61: ...02 3x Half Duplex Back pressure Broadcast Storm Suppression Traffic throttled above a critical threshold VLAN Support Up to 255 groups port based or with 802 1Q VLAN tagging GVRP for automatic VLAN learning Multicast Switching IGMP Snooping Quality of Service Supports four levels of priority and Weighted Round Robin queueing ...

Страница 62: ...B RFC 2819 Entity MIB RFC 2737 RADIUS authentication client MIB RFC 2618 SMC s private MIB RMON Support Groups 1 2 3 9 Statistics History Alarm Event Additional Features Port Trunks Port Mirroring Standards IEEE 802 3 Ethernet IEEE 802 3u Fast Ethernet IEEE 802 3z Gigabit Ethernet IEEE 802 3ab 1000BASE T IEEE 802 1D Spanning Tree Protocol and traffic priorities IEEE 802 1p priority tags IEEE 802 1...

Страница 63: ...ssions FCC Class A Industry Canada Class A EN55022 CISPR 22 Class A EN 61000 3 2 3 VCCI Class A C Tick AS NZS 3548 1995 Class A Immunity EN 61000 4 2 3 4 5 6 8 11 Safety CSA NRTL CSA 22 2 950 UL 1950 EN60950 TÜV GS Warranty Limited lifetime ...

Страница 64: ...SPECIFICATIONS C 6 ...

Страница 65: ...Gigabit combo ports with RJ 45 connectors and associated SFP transceiver slots SMCBGSLCX1 1 port 1000BASE SX Small Form Pluggable SFP mini GBIC transceiver SMCBGLLCX1 1 port 1000BASE LX Small Form Pluggable SFP mini GBIC transceiver SMCRPS600W Redundant power unit with cables supports one device Also available in models for Continental Europe and the UK ...

Страница 66: ...ORDERING INFORMATION D 2 ...

Страница 67: ...802 3z specification for Gigabit Ethernet over two strands of 50 125 or 62 5 125 micron core fiber cable 1000BASE LX IEEE 802 3z specification for Gigabit Ethernet over two strands of 50 125 62 5 125 or 9 125 micron core fiber cable 1000BASE T IEEE 802 3ab specification for Gigabit Ethernet over 100 ohm Category 5 or 5e twisted pair cable using all four wire pairs Auto Negotiation Signalling metho...

Страница 68: ...n Detect is the communication method employed by Ethernet Fast Ethernet or Gigabit Ethernet End Station A workstation server or other device that does not forward traffic Ethernet A network communication system developed and standardized by DEC Intel and Xerox using baseband transmission CSMA CD access logical bus topology and coaxial cable The successor IEEE 802 3 standard provides for integratio...

Страница 69: ...th collision detection CSMA CD access method and physical layer specifications IEEE 802 3ab Defines CSMA CD access method and physical layer specifications for 1000BASE T Fast Ethernet IEEE 802 3u Defines CSMA CD access method and physical layer specifications for 100BASE TX Fast Ethernet IEEE 802 3x Defines Ethernet frame start stop requests and timers used for flow control on full duplex links I...

Страница 70: ...medium facilitating the exchange of data between network nodes MIB An acronym for Management Information Base It is a set of database objects that contains information about the device Network Diameter Wire distance between two end stations in the same collision domain Redundant Power Unit RPU A backup power supply that automatically takes over in case the primary power supply should fail RJ 45 Co...

Страница 71: ...yer protocol UTP Unshielded twisted pair cable Virtual LAN VLAN 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 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 ...

Страница 72: ...GLOSSARY Glossary 6 ...

Страница 73: ...4 broadcast storm control 1 2 buffers saturation of 1 5 C cable lengths 2 7 2 8 specifications B 1 compliances EMC C 5 safety C 5 Connectivity 2 6 connectivity rules 10 Mbps 2 8 1000 Mbps 2 6 console port 1 2 pin assignments B 6 contents of package 3 2 cooling problems A 1 cord sets international 3 6 D DC input 1 8 desktop mounting 3 5 device connections 4 1 E electrical interference avoiding 3 1 ...

Страница 74: ...net 1 3 Web based 1 2 MIB support C 4 mounting the switch in a rack 3 3 on a desktop or shelf 3 5 multicast switching 1 3 IGMP Snooping 1 4 N network connections 4 1 examples 2 2 null modem cable 1 2 O optional redundant power unit 1 8 ordering information D 1 out of band management 1 2 P package contents 3 2 pin assignments B 2 1000BASE T B 4 100BASE TX 10BASE T B 3 25 pin DTE port B 7 console po...

Страница 75: ... Tree Protocol 1 3 2 5 4 1 specifications compliances C 5 environmental C 2 physical C 1 power C 2 standards compliance C 5 IEEE C 4 status LEDs 1 6 store and forward 1 2 surge suppressor using 3 1 switch architecture 1 2 switching introduction to 2 1 method 1 2 T tags priority 1 4 VLAN 2 5 Telnet 1 3 A 2 temperature within a rack 3 3 traffic priority 1 4 troubleshooting in band access A 2 power a...

Страница 76: ...INDEX Index 4 ...

Страница 77: ......

Страница 78: ... 974 8701 France 33 0 41 38 32 32 Fax 33 0 41 38 01 58 Italy 39 02 739 12 33 Fax 39 02 739 14 17 Benelux 31 33 455 72 88 Fax 31 33 455 73 30 Central Europe 49 0 89 92861 0 Fax 49 0 89 92861 230 Switzerland 41 0 1 9409971 Fax 41 0 1 9409972 Nordic 46 0 868 70700 Fax 46 0 887 62 62 Northern Europe 44 0 118 974 8700 Fax 44 0 118 974 8701 Eastern Europe 34 93 477 4920 Fax 34 93 477 3774 Sub Saharian A...

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