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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 labeled with an
“x” (MDI), a crossover must be implemented in 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-)

Содержание 6900FSC FICHE

Страница 1: ...r units 8 8 Gbps of aggregate switch bandwidth Support for redundant power unit Up to five port trunks per switch Port mirroring for non intrusive analysis QoS support for two level priority Full support for VLANs with GVRP IP Multicasting with IGMP Snooping Manageable via console Web SNMP RMON TigerSwitch 10 100 Installation Guide SMC6912M SMC6924M ...

Страница 2: ......

Страница 3: ...6 Hughes Irvine CA 92618 Phone 949 707 2400 TigerSwitch 10 100 Installation Guide From SMC s Tiger line of feature rich workgroup LAN solutions February 2001 Pub F2 42 150070 102 R05 ...

Страница 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...

Страница 5: ...an Active SMC product A list of 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 ...

Страница 6: ...LIGENCE SHALL SMC BE LIABLE FOR 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 ...

Страница 7: ...ble for RJ 45 connections Category 3 or greater for 10 Mbps connections and Category 5 for 100 Mbps connections Use 50 125 or 62 5 125 micron multimode fiber optic cable for SC or ST type connections Warnings 1 Wear an anti static wrist strap or take other suitable measures to prevent electrostatic discharge when handling this equipment 2 When connecting this hub to a power outlet connect the fiel...

Страница 8: ...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 9: ...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...

Страница 10: ...eitraum 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 Servicep...

Страница 11: ...ule SMC6900G 1 8 Optional Stack Module SMC6900S 1 8 Optional Redundant Power Unit SMCRPU150W 1 8 Power Supply Receptacles 1 9 Features and Benefits 1 10 Connectivity 1 10 Expandability 1 10 Performance 1 11 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...

Страница 12: ...ing Equipment 3 2 Mounting 3 3 Rack Mounting 3 3 Desktop or Shelf Mounting 3 5 Stacking 3 6 Connecting to a Power Source 3 7 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 3 Wiring Closet Connections 4 4 Fiber Optic Devices 4 5 A Troubleshooting A 1 Diagnosing Switch Indicators A 1 Power ...

Страница 13: ...C B 6 Console Port to 25 Pin DCE Port on Modem 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 Standards C 5 Compliances C 5 Warranty C 5 Slide in Module C 6 100BASE FX Extender Module C 6 1000BASE SX Extender Module C 6 Stack Module C 7 D Ordering Information D 1 Glossary Index ...

Страница 14: ...TABLE OF CONTENTS viii ...

Страница 15: ... used for an optional stacking module that allows you attach up to four switches to a 4 8 Gbps high speed backplane There is also an SNMP based Network Management Module installed in the rear panel This module supports both in band and out of band access for managing the switch and the attached stack One module only must be installed in one switch to manage the stack SMC6912M 12 Port Switch SMC692...

Страница 16: ... be received into a port buffer and checked for validity before being forwarded This prevents errors from being propagated throughout the network This switch also features full duplex capability on all ports which effectively doubles the bandwidth of each connection This TigerSwitch can be used in a standalone configuration or can be stacked up to four high to form a single logical switch with up ...

Страница 17: ...5 ports with built in wiring crossovers MDI X Workstations and servers can be connected to these ports with straight through cable When connecting to another switch or a hub you can use straight through cable to connect to a port on the attached device that does not have built in wiring crossovers MDI or use crossover cabling See Appendix B for a pinout description of crossover cable Each of these...

Страница 18: ...n backup or active mode Off Redundant power is off or has failed Mgmt On Agent is operational RJ 45 Ports Link On Port has established a valid network connection Green Valid 10 Mbps connection Yellow Valid 100 Mbps connection Flashing Port has been partitioned due to an abnormal network condition or manually disabled Act On Traffic is passing through the port FDX On Port is operating at full duple...

Страница 19: ...cable You can also make a remote connection to this port via modems This allows you to access the out of band interface See Appendix B for a description of wiring options The Network Management Module provides a wide range of advanced performance enhancing features Multicast filtering provides support for real time network applications Port based and tagged VLANs plus support for automatic GVRP VL...

Страница 20: ...n any two stations on the network This prevents the creation of network loops However if the chosen path should fail for any reason an alternate path will be activated to maintain the connection The default setting for the Spanning 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 soft...

Страница 21: ...ty of Service QoS by prioritizing each packet based on the required level of service using two distinct categories with Weighted Fair Queuing It uses IEEE 802 1p and 802 1Q tags to prioritize incoming traffic based on input from the end station application These functions can be used to provide independent priorities for delay sensitive data and best effort data Optional Media Extender Modules Opt...

Страница 22: ...dule is fitted with an SC connector but you can attach an ST plug to the switch using the SC ST Converter Part Number 99 012034 091 Optional Stack Module SMC6900S Figure 1 8 Stack Module The uplink and downlink stack ports operate at 2 Gbps These modules can be used to connect up to four switches to the backplane A stack cable is included with each module Optional Redundant Power Unit SMCRPU150W S...

Страница 23: ...y 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 9 Power Supply Receptacles ...

Страница 24: ...nections Unshielded UTP cable supported on all RJ 45 ports Category 3 4 or 5 for 10 Mbps connections and Category 5 for 100 Mbps connections IEEE 802 3 Ethernet and 802 3u Fast Ethernet compliance ensures compatibility with standards based hubs network cards and switches from any vendor Expandability Optional 100BASE FX fiber module SC connector which can connect to a remote site up to 2 kilometer...

Страница 25: ...e warranty Management At a glance LEDs for easy troubleshooting Network Management Module Supports Telnet SNMP RMON and Web based interface One module manages the entire stack in band or out of band Spanning Tree Protocol for redundant network connections VLAN support for 256 groups port based or with 802 1Q VLAN tagging and GVRP for automatic VLAN learning Quality of Service QoS supports two leve...

Страница 26: ...ABOUT THE TIGERSWITCH 10 100 1 12 Port trunking increases the bandwidth of a network connection and ensures fault recovery Port security prevents intruders from gaining access to the network ...

Страница 27: ... 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 28: ...ar 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 add another TigerSwitch to the stack or link to another workgroup using a Gigabit connection In the figure below the TigerSwitch 10 100 is operating as a colla...

Страница 29: ... 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 stack are providing 100 Mbps connectivity for up to 100 segments through SMC s TigerStack II 10 100 hubs In addition the switch is also connecting servers at 200 Mbps Figure 2 2 Central Wiring Closet ...

Страница 30: ...d backbone providing direct connectivity for a widespread LAN The 100 Mbps fiber modules with two ports per module can be used to interconnect remote Fast Ethernet segments While the Gigabit module can be used for a high speed connection between floors in the same building or to connect to other buildings in a campus setting The figure below illustrates a TigerSwitch connecting multiple segments w...

Страница 31: ...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 to assign multiple VLAN grou...

Страница 32: ...nnected cabling in your calculations for cascade length involving other devices 1000 Mbps Gigabit Ethernet Collision Domain Maximum 1000BASE SX Fiber Optic Cable Distance Note Although maximum cable length for 100BASE FX fiber depends on the duplex mode the maximum length for 1000BASE SX fiber is the same for both half and full duplex Fiber Size Fiber Bandwidth Maximum Cable Length 62 5 125 micron...

Страница 33: ...y 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 100 m...

Страница 34: ... 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 between populated and unpopulated segments is significant for coax networks only Cable Type Maximum Length Twisted Pair Categories 3 4 5 100 m 328 ft Thin Coax 185 m 607 ft Extern...

Страница 35: ...n half duplex mode 2 When a switch is connected to a hub or any kind of shared media remember to turn off back pressure to prevent the attached port from being frequently partitioned due to the jamming packets 3 For network applications that require routing such as when interconnecting dissimilar network types or distinct VLANs you may have to attach the TigerSwitch 10 100 units directly to a rout...

Страница 36: ...NETWORK PLANNING 2 10 ...

Страница 37: ... 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 transmitters etc Make sure that a separate grounded...

Страница 38: ...acket Mounting Kit containing two brackets and four screws for attaching the brackets to the switch Power Cord either US Continental Europe or UK RS 232 console cable This Installation 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...

Страница 39: ...now following the instructions included with the package Rack Mounting Before rack mounting the switch pay particular attention to the following factors Temperature Since the temperature within 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 a...

Страница 40: ...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 41: ...he four 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 ...

Страница 42: ...itch To stack the devices 1 Locate the stack connectors labeled UP and DOWN on the stack modules see Figure 3 4 2 Attach one end of the stacking cable to the stack connector labeled DOWN on the top device and the other end to the connector labeled UP on the next lower device 3 Repeat this step until all the devices have been connected 4 Turn to the next section Connecting to a Power Source Figure ...

Страница 43: ...allow traffic to pass across the stack s backplane To connect each device to a power source 1 Insert the power cable plug directly into the receptacle located at the back of the device Figure 3 5 Power Receptacle 2 Plug the other end of the cable into a grounded 3 pin 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 t...

Страница 44: ...INSTALLING THE SWITCH 3 8 4 If you have a purchased Redundant Power Unit connect it to the device and to an AC power source now following the instructions included with the package ...

Страница 45: ...ote Before connecting cables you may want to first configure the Spanning Tree Protocol to avoid network loops Refer to the Management Guide for more information Twisted Pair Devices Each device 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 Cabling Guidelines ...

Страница 46: ...determined by the port on the other device as shown in the table below See Appendix B for further information on cabling Caution Do not plug a phone jack connector into an RJ 45 port This will damage the switch Use only twisted pair cables with RJ 45 connectors that conform to FCC standards Crossover Straight Through Wiring Requirement If the port on the switch is And the port on the other device ...

Страница 47: ...he next page Otherwise attach the other end to an available port on the switch If the device is a hub or switch use the cable type indicated under Cabling Guidelines on page 4 1 and attach the other end to a port on the TigerSwitch Make sure each twisted pair cable does not exceed 100 meters 328 ft in length Note When connected to a shared collision domain such as a hub with multiple workstations ...

Страница 48: ...he wiring closet with this type of equipment follows 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 Figure 4 2 Wiri...

Страница 49: ...mpliant with the requirements of a 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 b...

Страница 50: ...vice The 100BASE FX fiber optic ports operate only at 100 Mbps full duplex You can run a fiber link up to 1 24 miles 2 kilometers However note that power budget constraints must also be considered when calculating the maximum cable length for your specific environment The 1000BASE SX fiber optic ports operate at 1 Gbps full duplex with auto negotiation of flow control The maximum length for fiber ...

Страница 51: ...l Support Power LED is Flashing The switch is either downloading firmware or running the Power On Self Diagnostics Test POST If this LED does not stop flashing then POST has failed and you should 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 the proper ca...

Страница 52: ...re components appear to be malfunctioning such as the power cord or network cabling test them in an alternate environment where you are sure that all the other components are functioning properly In Band Access You can access the management agent in the switch from anywhere within the attached network using Telnet a Web browser or other network management software such as EliteView However you mus...

Страница 53: ... Note You can configure the management agent to accept from one to four simultaneous Telnet sessions If the maximum number of sessions already exists an additional Telnet connection will not be able to log into the system ...

Страница 54: ...TROUBLESHOOTING A 4 ...

Страница 55: ...er Part Number 99 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 Twisted Pair Cable Cable Type Category Connector 100 ohm UTP 22 26 AWG 0 4 0 6 mm 2 pairs 5 male 8 pin RJ 45 100BASE FX and 1000BASE SX Duplex Fiber Cable Cable Type Connector 62 5 125 or 50 125 micron core SC ...

Страница 56: ...d by 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 ...

Страница 57: ... the twisted pair cable is to join two ports and only one of the ports has an internal crossover MDI X the two pairs of wires must be straight through 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 pair Straight Through RJ 45 Pin Assignments End 1 End 2 1 Tx 1 Tx 2 Tx 2 Tx 3 Rx 3 Rx 6 Rx 6 Rx ...

Страница 58: ... cable is to join two ports and either both ports are labeled with an x MDI X or neither port is labeled with an x MDI a crossover must be implemented in 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 ...

Страница 59: ...f band console configuration The on board menu driven configuration program can be accessed from a terminal a PC running a terminal emulation program or from a remote location via a modem connection The pin assignments used to connect to the serial port are provided in the following tables Figure B 2 DB 9 Console Port Pin Numbers ...

Страница 60: ...mitted Data 3 3 2 CD 108 2 DTR Data Terminal Ready 4 4 20 AB 102 SG Signal Ground 5 5 7 CC 107 DSR Data Set Ready 6 6 6 CA 105 RTS Request to Send 7 7 4 CB 106 CTS Clear to Send 8 8 5 CE 125 RI Ring Indicator 9 9 22 Switch s 9 Pin Serial Port CCITT Signal PC 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 S...

Страница 61: ...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 1 1 2 3 3 2 4 8 5 20 6 7 7 4 9 5 20 6 ...

Страница 62: ...CABLES B 8 ...

Страница 63: ...Categories 3 4 5 100BASE TX RJ 45 100 ohm UTP cable Category 5 Ports 1 24 RJ 45 connectors fixed crossover 100BASE FX SC connector Multimode fiber cable 62 5 125 or 50 125 microns 1000BASE SX SC connector Multimode fiber cable 62 5 125 or 50 125 microns Stack Interface Connects up to 4 units 2 Gbps full duplex uplink downlink ports 4 8 Gbps backplane bandwidth for stack Buffer Architecture 128 Kby...

Страница 64: ...e 17 37 x 11 22 x 2 53 in 44 0 x 28 5 x 6 4 cm Temperature Operating 32 to 122 F 0 to 50 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 VAC 50 to 60 Hz Redundant DC input Power Consumption 80 Watts maximum Heat Dissipation 273 BTU hr maximum Maximum Current SMC6912M 0 58A 110VAC 0 37A 240VAC SM...

Страница 65: ...ull Duplex IEEE 802 3x Half Duplex Back pressure Broadcast Storm Control Configurable threshold on a per port basis VLAN Support Up to 256 groups port based or with 802 1Q VLAN tagging GVRP for automatic VLAN learning Multicast Switching IGMP Snooping Quality of Service Supports two levels of priority and Weighted Fair Queueing ...

Страница 66: ... free Out of Band Management RS 232 DB 9 console port Software Loading TFTP or Web HTTP in band or XModem out of band MIB Support MIB II RFC 1213 Bridge MIB RFC 1493 Ethernet Like MIB RFC 1643 RMON MIB RFC 1757 SMC s private MIB RMON Support Groups 1 2 3 9 Statistics History Alarm Event Additional Features Port Trunks Port Security Port Mirroring ...

Страница 67: ... Management IEEE 802 3x full duplex flow control ISO IEC 8802 3 SNMP RFC 1157 RMON RFC 1757 ARP RFC 826 IGMP RFC 1112 MIB II RFC 1213 Interfaces Evolution MIB RFC 1573 Ethernet Like MIB RFC 1643 Bridge MIB RFC 1493 Compliances CE Mark Emissions FCC Class A Industry Canada Class A EN55022 CISPR 22 Class A VCCI Class A C Tick AS NZS 3548 1995 Class A Immunity IEC 1000 4 2 3 4 6 Safety CSA NRTL CSA 2...

Страница 68: ...rk Interface SC connector 50 125 or 62 5 125 micron multimode fiber cable SMC6900FST includes SC ST Converter Standards 802 3u Fast Ethernet 1000BASE SX Extender Module Model SMC6900G Ports 1 1000BASE SX Network Interface SC connector 50 125 or 62 5 125 micron multimode fiber cable Standards 802 3z Gigabit Ethernet ...

Страница 69: ...SPECIFICATIONS C 7 Stack Module Model SMC6900S Ports 2 Gbps uplink downlink ports Connector Interface 68 pin SCSI connector copper cable Standards 802 3z Gigabit Ethernet ...

Страница 70: ...SPECIFICATIONS C 8 ...

Страница 71: ...expansion slots SMC6900S Stacking Module with 2 Gbps uplink downlink ports SMC6900FSC Fiber Module with two 100BASE FX Port SC type Connector SMC6900FST SMC6900FSC SC ST Converter SMC6900G Gigabit Module with one 1000BASE SX Port SC type Connector 99 012034 091 SC to ST plug converter for fiber optic module SMCRPU150W Redundant Power Unit with cables supports one device Also available in models fo...

Страница 72: ...ORDERING INFORMATION D 2 ...

Страница 73: ...ategory 5 UTP cable 1000BASE SX IEEE 802 3z specification for Gigabit Ethernet over two strands of 50 125 or 62 5 125 micron core fiber 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 lowes...

Страница 74: ... 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...

Страница 75: ... Mbps network communication 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 Ethern...

Страница 76: ...ications for 1000BASE Gigabit Ethernet LAN Segment Separate LAN or collision domain LED Light emitting diode used for monitoring a device or network condition Link Segment Length of twisted pair or fiber cable joining a pair of repeaters or a repeater and a PC Local Area Network LAN A group of interconnected computer and support devices Media Access Control MAC A portion of the networking protocol...

Страница 77: ...er Supply RPS A backup power supply that automatically takes over in case the primary power supply should fail 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 colli...

Страница 78: ...GLOSSARY Glossary 6 ...

Страница 79: ...ons with fiber 2 4 VLAN connections 2 5 B brackets attaching 3 4 broadcast storm control 1 6 buffer size C 1 buffers saturation of 1 3 C cable lengths 2 6 2 7 2 8 specifications B 1 CE Mark i cleaning fiber terminators 4 5 compliances i EMC C 5 safety C 5 connectivity rules 10 Mbps 2 8 100 Mbps 2 7 1000 Mbps 2 6 console port 1 5 pin assignments B 5 contents of package 3 2 cooling problems A 2 cord...

Страница 80: ... 3 3 RPUs in racks 3 5 site requirements 3 1 stacking 3 6 wiring closet connections 4 4 L laser safety iii 4 5 LED indicators Activity 1 4 1 5 FDX 1 4 Link 1 4 Mgmt 1 4 problems A 1 PWR 1 4 RDP 1 4 Status 1 5 limited warranty C 5 location requirements 3 1 M management agent 1 3 features 1 11 C 4 module 1 5 out of band 1 3 1 5 SNMP 1 3 Telnet 1 6 Web based 1 3 MDI X port 4 2 MIB support C 4 modules...

Страница 81: ...J 45 port connections 4 1 RJ 45 ports 1 3 RMON 1 3 routing applications 2 9 RPU 1 8 D 1 connecting 3 8 installing in a rack 3 5 installing on a desktop 3 5 RS 232 port 1 5 rubber foot pads attaching 3 5 S safety compliance iii sample applications 2 2 SC port connections 4 5 screws for rack mounting 3 2 SC ST Converter 1 7 4 5 4 6 D 1 serial port 1 5 site selelction 3 1 SNMP agent 1 3 Spanning Tree...

Страница 82: ...band access A 2 power and cooling problems A 2 switch indicators A 1 twisted pair connections 4 1 U UL compliance iii V VCCI compliance ii VLANs 1 5 1 6 2 5 tagging 2 5 W warranty C 5 Web based management 1 3 Weighted Fair Queuing 1 7 ...

Страница 83: ......

Страница 84: ... Fax 949 707 2460 Spain 34 93 477 4920 Fax 34 93 477 3774 UK 44 0 1189 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 ...

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