Transition Networks SM24-100SFP-AH User's Manual
Contents
1. B Cables Cable Testing for Existing Category 5 Cable Installed Category 5 cabling must pass tests 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 5 Cabling Note that when testing your cable installation be sure to include all patch cables between switches and end devices Adjusting Existing Category 5 Cabling to Run 1000BASE T If your existing Category 5 installation does not meet one of the test parameters for 1000BASE T there are basically three measures that can be applied to try and correct the problem 1 Replace any Category 5 patch cables with high performance Category 5e or Category 6 cables 2 Reduce the number of connectors used in the link 3 Reconnect some of the connectors in the link B 4 Appendix C Supported SFP Transceivers Please contact Transition Networks for proper SFP selection Note Power budget constraints must be considered when calculating the maximum cable length for your specific environment C 1 C Supported SFP Transceivers C 2 Appendix D Specifications Physical Characteristics Ports 24 100BASE X port2. Network Aggregation Plan 2 3 I2 Network Planning Remote Connection with Fiber Cable Fiber optic technology allows for longer cabling than any other media type A 1000BASE SX MMF link can connect to a site up to 550 meters away a 1000BASE LX SMF link up to 5 km and a 1000BASE LH link up to 70 km This allows the switch to serve as a collapsed backbone providing direct connectivity for a widespread LAN A 1000BASE SX SFP transceiver can be used for a high speed connection between floors in the same building a 1000BASE LX SFP transciever can be used to connect to other buildings in a campus setting and a 1000BASE LH SFP transceiver can be used for a long haul connection to a remote site The figure below illustrates the switch connecting multiple segments with fiber cable Headquarters 1000BASE SX MMF 1000BASE LX SMF 550 meters 5 kilometers Remote Switch gt s 10 100 1000 Mbps Segments 7 ge is ve ES ye ES x BS ie Lais EE CS a Vase ae I EI 3 Figure 2 3 Remote Connection with Fiber Cable Application Examples 2 Making VLAN Connections The SM24 100SFP AH supports VLANs which can be used to organize any group of network nodes into separate broadcast domains VLANs confine broadcast traffic to the originating group and can eliminate broadcast storms
3. 2 Network Management Options 1 2 Description of Hardware 1 2 SFP Slots 1 2 Console Port 1 2 Port and System Status LEDs 1 3 Power Supply Sockets 1 5 Features and Benefits 1 5 Connectivity 1 5 Expandability 1 5 Performance 1 5 Management 1 6 Chapter 2 Network Planning 2 1 Introduction to Switching 2 1 Application Examples 2 2 Collapsed Backbone 2 2 Network Aggregation Plan 2 3 Remote Connection with Fiber Cable 2 4 Making VLAN Connections 2 5 Application Notes 2 6 Chapter 3 Installing the Switch 3 1 Selecting a Site 3 1 Equipment Checklist 3 1 Package Contents 3 1 Optional Rack Mounting Equipment 3 2 Mounting 3 2 Rack Mounting 3 2 Desktop or Shelf Mounting 3 3 Installing an Optional SFP Transceiver 3 4 Connecting to a Power Source 3 5 Connecting to the Console Port 3 5 Wiring Map for Serial Cable 3 6 Contents Chapter 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 1 Network Wiring Connections 4 2 Fiber Optic SFP Devices 4 3 Connectivity Rules 4 4 1000BASE T Cable Requirements 4 4 1000 Mbps Gigabit Ethernet Collision Domain 4 4 100 Mbps Fast Ethernet Collision Domain 4 5 10 Mbps Ethernet Collision Domain 4 5 Cable Labeling and Connection Records 4 6 Appendix A Troubleshooting A 1 Diagnosing Switch Indicators A 1 Diagnosing Power Problems with the LEDs A 1 Power and Cooling Problems A 2 Install
4. B 3 Crossover Wiring 1000BASE T Pin Assignments All 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 The table below shows the 1000BASE T MDI and MDI X port pinouts These ports require that all four pairs of wires be connected Note that for 1000BASE T operation all four pairs of wires are used for both transmit and receive Use 100 ohm Category 5 5e or 6 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 Table B 2 1000BASE T MDI and MDI X Port Pinouts Pin MDI Signal Name MDI X Signal Name 1 Bi directional Data One Plus BI_D1 Bi directional Data Two Plus BI_D2 2 Bi directional Data One Minus BI_D1 Bi directional Data Two Minus BI_D2 3 Bi directional Data Two Plus BI_D2 Bi directional Data One Plus BI_D1 4 Bi directional Data Three Plus BI_D3 Bi directional Data Four Plus BI_D4 5 Bi directional Data Three Minus BI_D3 Bi directional Data Four Minus Bl D4 6 Bi directional Data Two Minus Bl D2 Bi directional Data One Minus BI D1 7 Bi directional Data Four Plus Bl D4 Bi directional Data Three Plus Bl D34 8 Bi directional Data Four Minus Bl D4 Bi directional Data Three Minus Bl D3
5. in large networks This provides a more secure and cleaner network environment VLANS can be based on untagged port groups or traffic can be explicitly tagged to identify the VLAN group to which it belongs Untagged VLANs can be used for small networks attached to a single switch However tagged VLANs should be used for larger networks and all the VLANs assigned to the inter switch links This switch also supports multiple spanning trees which allow VLANs groups to maintain a more stable path between all VLAN members This can reduce the overall amount of protocol traffic crossing the network and provide a shorter reconfiguration time if any link in the spanning tree fails j K Ba Untagged Ports VLAN gt unaware switch dne Marketing Y N VLAN 3 EE E VLAN 4 E BEE Figure 2 4 Making VLAN Connections Note When connecting to a switch that does not support IEEE 802 1Q VLAN tags use untagged ports 2 5 I2 Network Planning Application Notes 1 Full duplex operation 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 connected to a hub both devices must operate in half duplex mode Avoid using flow control on a port connected to a hub unless it is actually required to solve a problem Oth
6. 000BASE LH can be used for a backbone connection between switches or for connecting to a server or PC Each multimode fiber optic port requires 50 125 or 62 5 125 micron multimode fiber optic cabling with an LC connector at both ends Each single mode fiber port requires 9 125 micron single mode fiber optic cable with an LC connector at both ends Warning This switch uses lasers to transmit signals over fiber optic cable The lasers are compliant 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 Warning When selecting a fiber SFP device considering safety please make sure that it can function at a temperature that is not less than the recommended maximum operational temperature of the product You must also use an approved Laser Class 1 SFP transceiver 1 Remove and keep the LC 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 tissue or cotton ball moistened with a little ethanol Dirty fiber terminators on fiber cables will impair the quality of the light transmitted through the cable and lead to degraded performance on the port 3 Connect one end of the cable to the LC port on the switch and the other end to the LC port on the o
7. 02 3 Defines carrier sense multiple access with 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 Gigabit Ethernet Now incorporated into IEEE 802 3 2005 Glossary 2 Glossary IEEE 802 3u Defines CSMA CD access method and physical layer specifications for 100BASE TX Fast Ethernet Now incorporated into IEEE 802 3 2005 IEEE 802 3x Defines Ethernet frame start stop requests and timers used for flow control on full duplex links Now incorporated into IEEE 802 3 2005 IEEE 802 3z Defines CSMA CD access method and physical layer specifications for 1000BASE Gigabit Ethernet Now incorporated into IEEE 802 3 2005 LAN Segment Separate LAN or collision domain LED Light emitting diode used for monitoring a device or network condition Local Area Network LAN A group of interconnected computer and support devices Media Access Control MAC A portion of the networking protocol that governs access to the transmission medium facilitating the exchange of data between network nodes Modal Bandwidth Bandwidth for multimode fiber is referred to as modal bandwidth because it varies with the modal field or core diameter of the fiber Modal bandwidth is specified in units of MHz per km which indicates the amount of bandwidth supported by the fiber for a one km distance MIB An acronym for Man
8. AH Port Status LEDs LED Condition Status 100X SFP Ports 1 24 Blinking Green The port has a valid 100 Mbps link Blinking indicates Link Activity activity Off There is no valid link on the port Combination Gigabit Ports 26 28 On Blinking The port has a valid 10 100 1000 Mbps link Blinking Link Activity Green indicates activity Off There is no valid link on the port 1000BASE T Ports 1000M On Blinking The port has a valid 1000 Mbps link Blinking indicates Green activity Off There is no valid 1000 Mbps link on the port 1 Introduction System Status LEDs Figure 1 3 System Status LED Table 1 2 System Status LEDs LED Condition Status Pwr On Green Internal power is operating normally Power On Amber Internal power supply has failed Off Power off or failure BPS On Green The backup power supply is operating normally On Yellow The backup power supply is plugged in but faulty such as a thermal or fan failure Off No backup power supply is connected OK Diagnostic On Green System self diagnostic test successfully completed Blinking Green System self diagnostic test in progress On Amber System self diagnostic test has failed Features and Benefits 1 Power Supply Sockets There is one standard power socket on the rear panel of each switch for the AC power cord Backup Power S
9. Make sure each twisted pair cable does not exceed 100 meters 328 ft in length 3 As each connection is made the Link LED on the switch corresponding to each port will light to indicate that the connection is valid Note Avoid using flow control on a port connected to a hub unless it is actually required to solve a problem Otherwise back pressure jamming signals may degrade overall performance for the segment attached to the hub Network Wiring Connections Today the punch down block is an integral part of many of the newer equipment racks It is actually part of the patch panel Instructions for making connections in the 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 Switch Equipment Rack side view i us Iu an Sees een ees ees v Kees Ers Kees were N Ses Ecg Es es P S LG BEN N Punch Down Block Patch Panel Figure 4 2 Network Wiring Connections Fiber Optic SFP Devices Fiber Optic SFP Devices An optional SFP transceiver 100BASE FX 100BASE BX 1000BASE SX 1000BASE LX or 1
10. S plugged in but faulty such as a thermal or fan failure Green Off Internal power functioning normally BPS not plugged in Yellow Green Internal power faulty BPS delivering power Off Off Both internal power and BPS unplugged or not functioning A 1 A Troubleshooting Power and Cooling Problems If the power indicator does not 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 and verify that the fans on the unit are unobstructed and running prior to shutdown If you still cannot isolate the problem then the internal power supply may be defective Installation Verify that all system components have been properly installed If one or more 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 tools 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 va
11. SE SX 1000BASE LX 1000BASE LH and other SFP compatible transceivers To install an SFP transceiver do the following 1 3 Consider network and cabling requirements to select an appropriate SFP transceiver type Insert the transceiver with the optical connector facing outward and the slot connector facing down Note that SFP transceivers are keyed so they can only be installed in one orientation Slide the SFP transceiver into the slot until it clicks into place Note SFP transceivers are hot swappable The switch does not need to be powered off before installing or removing a transceiver However always first disconnect the network cable before removing a transceiver Note SFP transceivers are not provided in the switch package Connecting to a Power Source 3 Connecting to a Power Source To connect a device to a power source 1 2 Insert the power cable plug directly into the socket located at the back of the device ars L HUTH 1 0 1 0 0 5 0 5 DeL o Sorso HZ 12V4 5au64 amp Figure 3 5 Power Sockets 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 the socket type in your country 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 corre
12. SO IEC 8802 3 Compliances CE Mark Emissions FCC Class A EN55022 CISPR 22 Class A EN 61000 3 2 3 Immunity EN 61000 4 2 3 4 5 6 8 11 Safety UL CUL UL 60950 1 CSA 22 2 NO60950 1 CB IEC60950 1 D 3 D Specifications D 4 Glossary 10BASE T IEEE 802 3 specification for 10 Mbps Ethernet over two pairs of Category 3 4 or 5 UTP cable 100BASE BX IEEE 802 3 2005 specification for 100 Mbps Fast Ethernet over one strand of 9 125 micron core fiber cable 100BASE FX IEEE 802 3 2005 specification for 100 Mbps Fast Ethernet over two strands of 9 125 50 125 or 62 5 125 micron core fiber cable 100BASE TX IEEE 802 3u specification for 100 Mbps Ethernet over two pairs of Category 5 UTP cable 1000BASE LH Specification for long haul Gigabit Ethernet over two strands of 9 125 micron core fiber cable 1000BASE LX Specification for long haul Gigabit Ethernet over two strands of 50 125 62 5 125 or 9 125 micron core fiber cable 1000BASE SX IEEE 802 3z specification for Gigabit Ethernet over two strands of 50 125 or 62 5 125 micron core fiber cable 1000BASE T IEEE 802 3ab specification for Gigabit Ethernet over 100 ohm Category 5 5e or 6 twisted pair cable using all four wire pairs Auto Negotiation Signalling method allowing each node to select its optimum operational mode e g speed and duplex mode based on the capabilities of the node to which it is connected Bandwidth The diff
13. Socket amp a M Figure 1 1 SM24 100SFP AH Front and Rear Panels 1 RJ 45 ports shared with a SFP transceiver slots If an SFP transceiver is plugged in the corresponding RJ 45 port is disabled 1 1 1 Introduction Switch Architecture The SM24 100SFP AH switch employs a wire speed non blocking switching fabric This permits simultaneous wire speed transport of multiple packets at low latency on all ports This switch also features full duplex capability on all ports which effectively doubles the bandwidth of each connection This switch uses store and forward switching to ensure maximum data integrity With store and forward switching the entire packet must be received into a buffer and checked for validity before being forwarded This prevents errors from being propagated throughout the network Network Management Options The SM24 100SFP AH contains a comprehensive array of LEDs for at a glance monitoring of network and port status It also includes a management agent that allows you to configure or monitor the switch using its embedded management software or via SNMP applications To manage a switch you can make a direct connection to the RJ 45 console port out of band or you can manage it through a network connection in band using Telnet the on board Web agent or Windows based network management software For a detailed description of the switch s advanced features re
14. TRANSITION NETWORKS o M24 100SFP AH Fast Ethernet Switch Installation Guide Installation Guide Fast Ethernet Switch Layer 2 Workgroup Switch With 24 100BASE BX SFP Ports 2 1000BASE T RJ 45 and 2 Combination Gigabit RJ 45 SFP Ports SM24 100SFP AH E082008 DT R01 150200069500A Compliances and Safety Warnings FCC Class A This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment You may use unshielded twisted pair UTP for RJ 45 connections Category 3 or better for 10 Mbps connections Category 5 or better for 100 Mbps connections Category 5 5e or 6 for 1000 Mbps connections For fiber optic connections you may use 50 125 or 62 5 125 micron multimode fi
15. X 62 5 125 or 50 125 micron multimode fiber 2 km 1 6 miles LC 100BASE FX20 9 125 micron single mode fiber 20 km 16 miles LC 100BASE FX60 9 125 micron single mode fiber 60 km 37 5 miles LC 100BASE BX10 9 125 micron single mode fiber 10 km 6 25 miles LC 100BASE BX20 9 125 micron single mode fiber 20 km 16 miles LC 10 Mbps Ethernet Collision Domain Table 4 6 Maximum Ethernet Cable Length Type Cable Type Max Cable Length Connector 10BASE T Twisted Pair Categories 3 4 5 or better 100 m 328 ft RJ 45 100 ohm UTP 4 5 4 Making Network Connections Cable Labeling and Connection Records When planning a network installation it is essential to label the opposing ends of cables and to record where each cable is connected Doing so will enable you to easily locate inter connected devices isolate faults and change your topology without need for unnecessary time consumption To best manage the physical implementations of your network follow these guidelines Clearly label the opposing ends of each cable Using your building s floor plans draw a map of the location of all network connected equipment For each piece of equipment identify the devices to which it is connected Note the length of each cable and the maximum cable length supported by the switch ports For ease of understanding use a location based key when assigning prefixes to your cable label
16. agement 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 RJ 45 Connector A connector for twisted pair wiring Switched Ports Ports that are on separate collision domains or LAN segments Glossary 3 Glossary TIA Telecommunications Industry Association Transmission Control Protocol Internet Protocol TCP IP Protocol suite that includes TCP as the primary transport protocol and IP as the network layer 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 Glossary 4 Index Numerics 10 Mbps connectivity rules 4 5 100 Mbps connectivity rules 4 5 1000BASE T pin assignments B 3 ports 1 2 100BASE TX pin assignments B 1 ports 1 2 10BASE T pin assignments B 1 ports 1 2 A adhesive feet attaching 3 3 air flow requirements 3 1 application example 2 2 B brackets attaching 3 2 buffer size D 1 C cable labeling and connection records 4 6 cleaning fiber terminators 4 3 compliances EMC D 3 safety D 3 connectivity rules 10 Mbps 4 5 100 Mbps 4 5 co
17. al D 1 power D 2 standards compliance D 3 status LEDs 1 3 surge suppressor using 3 1 T Telnet A 2 temperature within a rack 3 2 troubleshooting in band access A 2 power and cooling problems A 2 twisted pair connections 4 1 W Web based management 1 2 SM24 100SFP AH E082008 DT R01 150200069500A
18. ance et P rou uniquement Ce groupe ne peut pas tre aliment par un dispositif imp dance la terre Si vos alimentations sont du type imp dance la terre ce groupe doit tre aliment par une tension de 230 V 2 P T par le biais d un transformateur d isolement rapport 1 1 avec un point secondaire de connexion portant l appellation Neutre et avec raccordement direct la terre masse Cordon lectrique II doit tre agr dans le pays d utilisation Etats Unis et Le cordon doit avoir recu l homologation des UL et un certificat de la Canada CSA Les spe cifications minimales pour un cable flexible sont AWG No 18 ouAWG No 16 pour un cable de longueur infe rieure a 2 me tres type SV ou SJ 8 conducteurs Le cordon doit tre en mesure d acheminer un courant nominal d au moins 10 A La prise femelle de branchement doit tre du type mise la terre mise la masse et respecter la configuration NEMA 5 15P 15 A 125 V ou NEMA 6 15P 15 A 250 V Danemark La prise m le d alimentation doit respecter la section 107 2 D1 de la norme DK2 1a ou DK2 5a Suisse La prise m le d alimentation doit respecter la norme SEV ASE 1011 Europe La prise secteur doit tre conforme aux normes CEE 7 7 SCHUKO LE cordon secteur doit porter la mention lt HAR gt ou lt BASEC gt et doit tre de type HOSVVF3GO 75 minimum Bitte unbedingt vor dem Einbauen des Switches die fo
19. ation A 2 In Band Access A 2 Appendix B Cables B 1 Twisted Pair Cable and Pin Assignments B 1 10BASE T 100BASE TX Pin Assignments B 1 Straight Through Wiring B 2 Crossover Wiring B 2 1000BASE T Pin Assignments B 3 Appendix C Supported SFP Transceivers C 1 Appendix D Specifications D 1 Switch Features D 2 Management Features D 2 Standards D 3 Compliances D 3 Glossary Index Tables Table 1 1 Table 1 2 Table 3 1 Table 4 1 Table 4 2 Table 4 3 Table 4 4 Table 4 5 Table 4 6 Table A 1 Table A 2 Table B 1 Table B 2 SM24 100SFP AH Port Status LEDs System Status LEDs Serial Cable Wiring Maximum 1000BASE T Gigabit Ethernet Cable Length Maximum 1000BASE SX Gigabit Ethernet Cable Length Maximum 1000BASE LX Gigabit Ethernet Cable Length Maximum 1000BASE LH Gigabit Ethernet Cable Length Maximum Fast Ethernet Cable Length Maximum Ethernet Cable Length Troubleshooting Chart Pwr BPS LEDs 10 100BASE TX MDI and MDI X Port Pinouts 1000BASE T MDI and MDI X Port Pinouts 1 3 1 4 4 4 4 4 4 5 4 5 A 1 A 1 B 3 xi Figures Figure 1 1 SM24 100SFP AH Front and Rear Panels Figure 1 2 SM24 100SFP AH Port Status LEDs Figure 1 3 System Status LED Figure 1 4 Power Supply Sockets Figure 2 1 Collapsed Backbone Figure 2 2 Network Aggregation Plan Figure 2 3 Remote Connection with Fiber Cable Figure 2 4 Making VLAN Connections Figure 3 1 Attaching the Brackets Figure 3 2 Installi
20. ber or 9 125 micron single mode fiber CE Mark Declaration of Conformance for EMI and Safety EEC This information technology equipment complies with the requirements of the Council Directive 89 336 EEC on the Approximation of the laws of the Member States relating to Electromagnetic Compatibility and 73 23 EEC for electrical equipment used within certain voltage limits and the Amendment Directive 93 68 EEC For the evaluation of the compliance with these Directives the following standards were applied RFI Emission Limit class A according to EN 55022 1998 Limit class A for harmonic current emission according to EN 61000 3 2 1995 Limitation of voltage fluctuation and flicker 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 8096 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 Immunity to conducted disturbances Induced by radio frequency fields EN 61000 4 6 1996 0 15 80 MHz with 1 kHz AM 80 Modulation 3 V m Power frequency magnetic field immunity t
21. ble user parts Installation and removal of the unit must be carried out by qualified personnel only When connecting this device to a power outlet connect the field ground lead on the tri pole power plug to a valid earth ground line to prevent electrical hazards This switch uses lasers to transmit signals over fiber optic cable The lasers are compliant 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 Do not plug a phone jack connector in the RJ 45 port This may damage this device Use only twisted pair cables with RJ 45 connectors that conform to FCC standards Wear an anti static wrist strap or take other suitable measures to prevent electrostatic discharge when handling this equipment Environmental Statement The manufacturer of this product endeavours to sustain an environmentally friendly policy throughout the entire production process This is achieved though the following means Adherence to national legislation and regulations on environmental production standards Conservation of operational resources Waste reduction and safe disposal of all harmful un recyclable by products Recycling of all reusable waste content Design of products to maximize recyclables at the end of the product s life span Continual monitoring of safety standards End of Product Life Span This product is ma
22. can use either straight through or crossover cable to connect to any device type You must connect all four wire pairs as shown in the following diagram to support Gigabit Ethernet connections EIA TIA 568B RJ 45 Wiring Standard 10 100BASE TX Straight through Cable White Orange Stripe A Orange N 1 White Green Stripe N 1 End A 2 2 p 3 FA Blue Su 3 EN Enga EE A I SE 5 White Blue Stripe 5 lt SES Green 7 8 8 White Brown Stripe Brown i Figure B 2 Straight through Wiring 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 When auto negotiation is enabled for any RJ 45 port on this switch you can use either straight through or crossover cable to connect to any device type You must connect all four wire pairs as shown in the following diagram to support Gigabit Ethernet connections B 2 Twisted Pair Cable and Pin Assignments B 10 100BASE TX Crossover Cable White Orange Stripe White Green Stripe N I O O1 B ND j Blue White Blue Stripe End B LM Green W I O O1 BR ND White Brown Stripe Brown Figure
23. ces 1 Attach the brackets to the device using the screws provided in the Bracket Mounting Kit Figure 3 1 Attaching the Brackets Mounting 3 2 Mount the device in the rack using four rack mounting screws not provided Be sure to secure the lower rack mounting screws first to prevent the brackets being bent by the weight of the switch 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 4 If installing multiple switches mount them in the rack one below the other in any order 5 If also installing an RPS mount it in the rack below the other devices Desktop or Shelf Mounting 1 Attach the four adhesive feet to the bottom of the first switch Figure 3 3 Attaching the Adhesive Feet 2 Setthe 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 3 I3 Installing the Switch 3 If installing a single switch only go to Connecting to a Power Source at the end of this chapter If installing multiple switches attach four adhesive feet to each one Place each device squarely on top of the one below in any order If also installing an RPS place it close to the stack Installing an Optional SFP Transceiver Figure 3 4 Inserting an SFP Transceiver into a Slot The switch supports 100BASE FX 100BASE BX 1000BA
24. coupler the connector to the unit and not the wall plug must have a configuration for mating with an EN 60320 IEC 320 appliance inlet The socket outlet must be near to the unit and easily accessible You can only remove power from the unit by disconnecting the power cord from the outlet This unit operates under SELV Safety Extra Low Voltage conditions according to IEC 60950 The conditions are only maintained if the equipment to which it is connected also operates under SELV conditions France and Peru only This unit cannot be powered from TTT supplies If your supplies are of IT type this unit must be powered by 230 V 2P T via an isolation transformer ratio 1 1 with the secondary connection point labelled Neutral connected directly to earth ground t Imp dance la terre iii Power Cord Set U S A and Canada The cord set must be UL approved and CSA certified The minimum specifications for the flexible cord are No 18 AWG not longer than 2 meters or 16 AWG Type SV or SJ 3 conductor The cord set must have a rated current capacity of at least 10 A The attachment plug must be an earth grounding type with NEMA 5 15P 15 A 125 V or NEMA 6 15P 15 A 250 V configuration Denmark The supply plug must comply with Section 107 2 D1 Standard DK2 1a or DK2 5a Switzerland The supply plug must comply with SEV ASE 1011 U K The supply plug must comply with BS1363 3 pin 13 A and b
25. ctly plugged in If you have purchased a Redundant Power Unit connect it to the switch and to an AC power source now following the instructions included with the package Connecting to the Console Port The RJ 45 serial port on the switch s front panel is used to connect to the switch for out of band console configuration The on board configuration program can be accessed from a terminal or a PC running a terminal emulation program The pin assignments used to connect to the serial port are provided in the following table Figure 3 6 Serial Port RJ 45 Pin Out 3 5 I3 Installing the Switch Wiring Map for Serial Cable Table 3 1 Serial Cable Wiring Switch s 8 Pin Null Modem PC s 9 Pin Serial Port DTE Port 6 RXD receive data E 3 TXD transmit data 3TXD transmit data 2 RXD receive data 5 SGND signal ground 5 SGND signal ground No other pins are used The serial port s configuration requirements are as follows Default Baud rate 9 600 bps Character Size 8 Characters Parity None Stop bit One Data bits 8 Flow control none Chapter 4 Making Network Connections Connecting Network Devices The SM24 100SFP AH is designed to interconnect multiple segments or collision domains using optional SFP transceivers It can be connected to network cards in PCs and servers as well as to hubs switches or rout
26. e fitted with a 5 A fuse which complies with BS1362 The mains cord must be lt HAR gt or lt BASEC gt marked and be of type HO3VVF3GO 75 minimum Europe The supply plug must comply with CEE7 7 SCHUKOY The mains cord must be lt HAR gt or lt BASEC gt marked and be of type HOSVVF3GO 75 minimum IEC 320 socket Veuillez lire fond l information de la s curit suivante avant d installer le Switch AVERTISSEMENT L installation et la d pose de ce groupe doivent tre confi s un personnel qualifi Nebranchez pas votre appareil sur une prise secteur alimentation lectrique lorsqu il n y a pas de connexion de mise la terre mise la masse Vous devez raccorder ce groupe une sortie mise la terre mise la masse afin de respecter les normes internationales de s curit Le coupleur d appareil le connecteur du groupe et non pas la prise murale doit respecter une configuration qui permet un branchement sur une entr e d appareil EN 60320 IEC 320 La prise secteur doit se trouver proximit de l appareil et son acc s doit tre facile Vous ne pouvez mettre l appareil hors circuit qu en d branchant son cordon lectrique au niveau de cette prise L appareil fonctionne une tension extr mement basse de s curit qui est conforme la norme IEC 60950 Ces conditions ne sont maintenues que si l quipement auquel il est raccord fonctionne dans les m mes conditions Fr
27. erence between the highest and lowest frequencies available for network signals Also synonymous with wire speed the actual speed of the data transmission along the cable Glossary 1 Glossary 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 CSMA CD Carrier Sense Multiple Access Collision 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 integration into the OSI model and extends the physical layer and media with repeaters and implementations that operate on fiber thin coax and twisted pair cable Fast Ethernet A 100 Mbps network communication system based on Ethernet and the CSMA CD access method Gigabit Ethernet A 1000 Mbps network communication system based on Ethernet and the CSMA CD access method Full Duplex Transmission method that allows two network devices to transmit and receive concurrently effectively doubling the bandwidth of that link IEEE Institute of Electrical and Electronic Engineers IEEE 8
28. ers Two combination 1000BASE T SFP ports provide the uplink connection from the switch to other switches or routers at the central office Twisted Pair Devices Each device requires an unshielded twisted pair UTP cable with RJ 45 connectors at both ends Use Category 5 5e or 6 cable for 1000BASE T connections Category 5 or better for 100BASE TX connections and Category 3 or better for 10BASE T connections Cabling Guidelines The RJ 45 ports on the switch supports automatic MDI MDI X pinout configuration SO you can use standard straight through twisted pair cables to connect to any other network device PCs servers switches routers or hubs 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 Connecting to PCs Servers Hubs and Switches 1 Attach one end of a twisted pair cable segment to the device s RJ 45 connector H 79 A o Figure 4 1 Making Twisted Pair Connections 4 1 4 Making Network Connections 2 Ifthe device is a PC card and the switch 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 Network Wiring Connections on page 4 2 Otherwise attach the other end to an available port on the switch
29. erwise back pressure jamming signals may degrade overall performance for the segment attached to the hub For fiber optic cable lengths see Supported SFP Transceivers on page C 1 Chapter 3 Installing the Switch Selecting a Site Switch units can be mounted in a standard 19 inch equipment rack or on a flat surface Be sure to follow the guidelines below when choosing a location The site should be at the center of all the devices you want to link and near a power outlet be able to maintain its temperature within 0 to 45 C 32 to 113 F and its humidity within 10 to 90 non condensing 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 grounded power outlet that provides 100 to 240 VAC 50 to 60 Hz is within 2 44 m 8 feet of each device and is powered from an independent circuit breaker As with any equipment using a filter or surge suppressor is recommended Equipment Checklist After unpacking the switch check the contents to be sure you have received all the components Then before beginning the installation be sure you have all other necessary installation eq
30. est according to EN 61000 4 8 1993 1 A m at frequency 50 Hz LVD Voltage dips short interruptions and voltage variations immunity test according to EN 61000 4 11 1994 gt 95 Reduction 10 ms 30 Reduction 500 ms gt 95 Reduction 5000 ms EN 60950 1 2001 Safety Compliance Warning Fiber Optic Port Safety When using a fiber optic port never look at the transmit laser while it is powered on Also never look directly at the fiber TX port and fiber cable LASER DEVICE ends when they are powered on Avertissment Ports pour fibres optiques s curit sur le plan optique Ne regardez jamais le laser tant qu il est sous tension Ne regardez jamais directement le port TX Transmission a fibres optiques et les embouts de cables fibres optiques tant qu ils sont sous tension Warnhinweis Faseroptikanschl sse Optische Sicherheit Niemals ein Ubertragungslaser betrachten w hrend dieses eingeschaltet ist Niemals direkt auf den Faser TX AnschluB und auf die Faserkabelenden schauen w hrend diese eingeschaltet sind Please read the following safety information carefully before installing the switch WARNING Installation and removal of the unit must be carried out by qualified personnel only Theunit must be connected to an earthed grounded outlet to comply with international safety standards Do not connect the unit to an A C outlet power supply without an earth ground connection The appliance
31. fer to the Management Guide Description of Hardware SFP Slots The SM24 100SFP AH switch contains 24 Small Form Factor Pluggable SFP transceiver slots that operate at 100 Mbps full duplex These slots support 100 Mbps SFP Fast Ethernet transceivers The supported transceiver types are listed below SFP 100FX Multimode LC and optionally MTRJ SFP 100FX Single Mode LC SFP 100BX Single Mode LC Bidirectional Single Fiber 1550 nm 1310 nm This switch also has two Gigabit SFP transceiver slots shared with two RJ 45 ports Ports 26 and 28 In its default configuration if an SFP transceiver purchased separately is installed in a slot and has a valid link on its port the associated RJ 45 port is disabled and cannot be used The switch can also be configured to force the use of an RJ 45 port or SFP slot as required Console Port The RJ 45 serial port on the switch s front panel is used to connect to the switch for out of band console configuration The on board configuration program can be accessed from a terminal or a PC running a terminal emulation program Description of Hardware 1 Port and System Status LEDs The LEDs which are located on the front panel for easy viewing are shown below and described in the following table Port Status LEDs Combination Gigabit Port Status LEDs Figure 1 2 SM24 100SFP AH Port Status LEDs Table 1 1 SM24 100SFP
32. ing Use sequential numbers for cables that originate from the same equipment Differentiate between racks by naming accordingly Label each separate piece of equipment Display a copy of your equipment map including keys to all abbreviations at each equipment rack Appendix A Troubleshooting Diagnosing Switch Indicators Table A 1 Troubleshooting Chart Symptom Action Pwr LED is Off Power supply is disconnected Check connections between the switch the power cord and the wall outlet Contact your dealer for assistance Pwr LED is Amber Internal power supply has failed Contact your local dealer for assistance OK LED is Amber Power cycle the switch to try and clear the condition If the condition does not clear contact your dealer for assistance Port 1 28 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 cable type is used and its length does not exceed specified limits Check the adapter on the attached device and cable connections for possible defects Replace the defective adapter or cable if necessary Diagnosing Power Problems with the LEDs The Pwr and BPS LEDs work in combination to indicate power status as follows Table A 2 Pwr BPS LEDs Pwr LED BPS LED Status Green Yellow Internal power functioning normally BP
33. lgenden Sicherheitsanweisungen durchlesen WARNUNG Die Installation und der Ausbau des Ger ts darf nur durch Fachpersonal erfolgen Das Ger t sollte nicht an eine ungeerdete Wechselstromsteckdose angeschlossen werden Das Ger t muf an eine geerdete Steckdose angeschlossen werden welche die internationalen Sicherheitsnormen erf llt DerGer testecker der Anschlu an das Ger t nicht der Wandsteckdosenstecker mu einen gemaB EN 60320 IEC 320 konfigurierten Ger teeingang haben Die Netzsteckdose muB in der Nahe des Ger ts und leicht zuganglich sein Die Stromversorgung des Ger ts kann nur durch Herausziehen des Ger tenetzkabels aus der Netzsteckdose unterbrochen werden Der Betrieb dieses Ger ts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gemaB IEC 60950 Diese Bedingungen sind nur gegeben wenn auch die an das Ger t angeschlossenen Ger te unter SELV Bedingungen betrieben werden Stromkabel Dies muss von dem Land in dem es benutzt wird gepr ft werden Schweiz Dieser Stromstecker muB die SEV ASE 1011Bestimmungen einhalt en Europe Das Netzkabel mu vom Typ HO3VVF3GO 75 Mindestanforderung sein und die Aufschrift lt HAR gt oder lt BASEC gt tragen Der Netzstecker muB die Norm CEE 7 7 erf llen SCHUKO Warnings and Cautionary Messages Warning Warning Warning Warning Caution Caution Caution vi This product does not contain any servicea
34. lid network connection Then verify that you entered the correct IP address Also be sure the port through which you are connecting to the switch has not been disabled If it has not been disabled then check the network cabling that runs between your remote location and the switch Caution The management agent can accept up 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 Appendix B Cables Twisted Pair Cable and Pin Assignments For 10 100BASE TX connections a twisted pair cable must have two pairs of wires For 1000BASE T connections the twisted pair cable must have four pairs of wires Each wire pair is identified by two different colors For example one wire might be green and the other green 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 Caution DO NOT plug a phone jack connector into any RJ 45 port This will damage the Switch Use only twisted pair cables with RJ 45 connectors that conform with FCC standards The figure below illustrates how the pins on the RJ 45 connector are numbered Be sure to hold the connectors in the same orientation when attaching the wires to the pins Figure B 1 RJ 45 Connector Pin Numbers 10BASE T 100BASE TX Pin Assignments Use unshielded twis
35. lowing pages Collapsed Backbone The SM24 100SFP AH is an excellent choice for mixed Ethernet Fast Ethernet and Gigabit Ethernet installations where significant growth is expected in the near future In a basic stand alone configuration it can provide direct full duplex connections to workstations or servers When the time comes for further expansion just connect to another switch using one of the SFP ports or a Gigabit Ethernet port on a plug in SFP transceiver In the figure below the switch is operating as a collapsed backbone for a small LAN It is providing dedicated 100 Mbps full duplex connections to workstations and 1000 Mbps full duplex connections to power users and servers E gm E E FR ER ER FR Server Workstation Workstation Workstation Workstation 1000 Mbps 1000 Mbps 100 Mbps 100 Mbps 100 Mbps Full Duplex Full Duplex Full Duplex Full Duplex Full Duplex Figure 2 1 Collapsed Backbone Application Examples 2 Network Aggregation Plan With 24 parallel bridging ports i e 24 distinct collision domains the switch can collapse a complex network down into a single efficient bridged node increasing overall bandwidth and throughput In the figure below the SFP ports on the switch are providing 100 Mbps connectivity through layer 2 switches In addition the switch is also connecting several servers at 1000 Mbps Ke Server Farm Figure 2 2
36. ng the Switch in a Rack Figure 3 3 Attaching the Adhesive Feet Figure 3 4 Inserting an SFP Transceiver into a Slot Figure 3 5 Power Sockets Figure 3 6 Serial Port RJ 45 Pin Out Figure 4 1 Making Twisted Pair Connections Figure 4 2 Network Wiring Connections Figure 4 3 Making Fiber Port Connections Figure B 1 RJ 45 Connector Pin Numbers Figure B 2 Straight through Wiring Figure B 3 Crossover Wiring xii Chapter 1 Introduction Overview The SM24 100SFP AH is an intelligent switch with 24 100BASE SFP transceiver slots two Gigabit combination ports that are comprised of a RJ 45 port and an SFP transceiver slot and 2 Gigabit stacking ports There is also an SNMP based management agent embedded on the main board This agent supports both in band and out of band access for managing the switch This switch provides a broad range of powerful features for Layer 2 switching delivering reliability and consistent performance for your network traffic It brings order to poorly performing networks by segregating them into separate broadcast domains with IEEE 802 1Q compliant VLANs and empowers multimedia applications with multicast switching and CoS services Port Status Indicators Console Port eae hbha ABBSRBASE ABBAAS Bi A IL T JD qj EARE g a T 100BASE SFP Slots Combination Gigabit Ports System Indicators Power
37. nsole port pin assignments 3 5 contents of package 3 1 cooling problems A 2 cord sets international 3 5 D desktop mounting 3 3 device connections 4 1 E electrical interference avoiding 3 1 equipment checklist 3 1 Ethernet connectivity rules 4 5 F Fast Ethernet connectivity rules 4 5 features D 2 management 1 6 switch 1 5 fiber cables 4 3 full duplex connectivity 2 1 G grounding for racks 3 2 l indicators LED 1 3 installation connecting devices to the switch 4 1 desktop or shelf mounting 3 3 port connections 4 1 power requirements 3 1 problems A 2 rack mounting 3 2 site requirements 3 1 wiring closet connections 4 2 Introduction 2 1 L laser safety 4 3 LED indicators Link 1 3 Power 1 4 location requirements 3 1 M management agent 1 2 features 1 6 D 2 D 3 out of band 1 2 SNMP 1 2 Index 1 Index Web based 1 2 mounting the switch in a rack 3 2 on a desktop or shelf 3 3 multimode fiber optic cables 4 3 N network connections 4 1 examples 2 2 0 out of band management 1 2 P package contents 3 1 pin assignments B 1 console port 3 5 ports connecting to 4 1 power connecting to 3 5 R rack mounting 3 2 rear panel receptacles 1 5 RJ 45 port 1 2 connections 4 1 Index 2 pinouts B 3 rubber foot pads attaching 3 3 S screws for rack mounting 3 2 site selelction 3 1 SNMP agent 1 2 specifications compliances D 3 environmental D 2 physic
38. nufactured in such a way as to allow for the recovery and disposal of all included electrical components once the product has reached the end of its life Manufacturing Materials There are no hazardous nor ozone depleting materials in this product Documentation All printed documentation for this product uses biodegradable paper that originates from sustained and managed forests The inks used in the printing process are non toxic vii About This Guide Purpose This guide details the hardware features of this device including the physical and performance related characteristics and how to install it Audience The guide is intended for use by network administrators who are responsible for installing and setting up network equipment consequently it assumes a basic working knowledge of LANs Local Area Networks Conventions The following conventions are used throughout this guide to show information Note Emphasizes important information or calls your attention to related features or instructions Caution Alerts you to a potential hazard that could cause loss of data or damage the system or equipment Warning Alerts you to a potential hazard that could cause personal injury Revision History This section summarizes the changes in each revision of this guide August 2008 Revision This is the first revision of this guide viii Contents Chapter 1 Introduction 1 1 Overview 1 1 Switch Architecture 1
39. or Category 5 Therefore the first step in preparing existing Category 5 cabling for running 1000BASE T is a simple test of the cable installation to be sure that it complies with the IEEE 802 3 2005 standards 1000 Mbps Gigabit Ethernet Collision Domain Table 4 1 Maximum 1000BASE T Gigabit Ethernet Cable Length Cable Type Maximum Cable Length Connector Category 5 5e 6 100 ohm UTP or STP 100 m 328 ft RJ 45 Table 4 2 Maximum 1000BASE SX Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length Connector 62 5 125 micron 160 MHz km 2 220 m 7 722 ft LC multimode f r 200 MHz km 2 275 m 7 902 ft LC 50 125 micron multimode 400 MHz km 2 500 m 7 1641 ft LC fiber 500 MHz km 2 550 m 7 1805 ft LC Table 4 3 Maximum 1000BASE LX Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length Connector 9 125 micron N A 2m 5km 7 ft 3 2 miles LC single mode fiber Connectivity Rules 4 Table 4 4 Maximum 1000BASE LH Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length Connector 9 125 micron N A 2m 70km 7 ft 43 5 miles LC single mode fiber 100 Mbps Fast Ethernet Collision Domain Table 4 5 Maximum Fast Ethernet Cable Length Type Cable Type Max Cable Length Connector 100BASE TX Category 5 or better 100 ohm UTP or STP 100 m 328 ft RJ 45 100BASE F
40. ork Planning Introduction to Switching A network switch allows simultaneous transmission of multiple packets via non crossbar switching This means that it can partition a network more efficiently than bridges or routers The switch has therefore been recognized as one of the most important building blocks for today s networking technology When performance bottlenecks are caused by congestion at the network access point such as the network card for a high volume file server the device experiencing congestion server power user or hub 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 distance between end stations is limited by a maximum hop count However a switch turns the hop count back to zero So subdividing the network into smaller and more manageable segments and linking them to the larger network by means of a switch removes this limitation A switch can be easily configured in any Ethernet Fast Ethernet or Gigabit Ethernet network to significantly boost bandwidth while using conventional cabling and network cards 2 1 I2 Network Planning Application Examples The SM24 100SFP AH is not only designed to segment your network but also to provide a wide range of options in setting up network connections Some typical applications are described in the fol
41. s with auto negotiation 2 1000BASE T ports RJ 45 2 Combination Gigabit ports RJ 45 SFP Network Interface Ports 1 24 SFP 100BASE FX 100BASE BX Ports 25 28 RJ 45 connector auto MDI X 10BASE T RJ 45 100 ohm UTP cable Category 3 or better 100BASE TX RJ 45 100 ohm UTP cable Category 5 or better 1000BASE TX RJ 45 100 ohm UTP cable Category 5 or better Buffer Architecture 4 Mbits Aggregate Bandwidth 12 8 Gbps Switching Database 8K MAC address entries LEDs System Pwr Power Supply BPS Backup power supply OK Diagnostic Port 1 28 Link Activity Weight 3 4 kg 7 5 lbs Size 4 5 x 44 x 23 cm 1 77 x 17 3 x 9 1 in D 1 D Specifications Temperature Operating 0 to 45 C 32 to 113 F Storage 40 to 70 C 40 to 158 F Humidity Operating 10 to 90 non condensing Power Supply Internal auto ranging transformer 100 to 240 V 50 60 Hz 1 5 A Power Consumption 30 Watts maximum Maximum Current 0 25 A 115 VAC 0 12 A 230 VAC Switch Features Forwarding Mode Store and forward Throughput Wire speed Flow Control Full Duplex IEEE 802 3x Half Duplex Back pressure Management Features In Band Management Telnet HTTP or SNMP manager Out of Band Management RJ 45 console port Software Loading TFTP in band or XModem out of band D 2 Standards D Standards IEEE 802 3 2005 Ethernet Fast Ethernet Gigabit Ethernet IEEE 802 1D Bridging I
42. ted pair UTP or shielded twisted pair STP cable for RJ 45 connections 100 ohm Category 3 or better cable for 10 Mbps connections or 100 ohm Category 5 or better cable for 100 Mbps connections Also be sure that the length of any twisted pair connection does not exceed 100 meters 328 feet The RJ 45 ports on the switch base unit 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 pins 1 2 3 and 6 at one end of the cable are connected straight through to pins 1 2 3 and 6 at the other end of the cable When using any RJ 45 port on this switch you can use either straight through or crossover cable B Cables Table B 1 10 100BASE TX MDI and MDI X Port Pinouts Pin MDI Signal Name MDI X Signal Name 1 Transmit Data plus TD Receive Data plus RD 2 Transmit Data minus TD Receive Data minus RD 3 Receive Data plus RD Transmit Data plus TD 6 Receive Data minus RD Transmit Data minus TD 4 5 7 8 Not used Not used Note The and signs represent the polarity of the wires that make up each wire pair Straight Through Wiring If 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 When auto negotiation is enabled for any RJ 45 port on this switch you
43. ther device Since LC connectors are keyed the cable can be attached in only one orientation Figure 4 3 Making Fiber Port Connections 4 Asaconnection is made check the Link LED on the switch corresponding to the port to be sure that the connection is valid 4 3 4 Making Network Connections The maximum length for fiber optic cable operating at Fast Ethernet speed will depend on the fiber type as listed under 100 Mbps Fast Ethernet Collision Domain on page 4 5 The maximum length for fiber optic cable operating at Gigabit speed will depend on the fiber type as listed under 1000 Mbps Gigabit Ethernet Collision Domain on page 4 4 Connectivity Rules When adding hubs repeaters to your network please follow the connectivity rules listed in the manuals for these products However note that because switches break up the path for connected devices into separate collision domains you should not include the switch or connected cabling in your calculations for cascade length involving other devices 1000BASE T Cable Requirements All Category 5 UTP cables that are used for 100BASE TX connections should also work for 1000BASE T providing that all four wire pairs are connected However it is recommended that for all critical connections or any new cable installations Category 5e enhanced Category 5 or Category 6 cable should be used The Category 5e specification includes test parameters that are only recommendations f
44. uipment Package Contents e SM24 100SFP AH Fast Ethernet Switch Four adhesive foot pads Bracket Mounting Kit containing two brackets and eight screws for attaching the brackets to the switch Power Cord e RS 232 console cable This Installation Guide Management Guide CD 3 1 I3 Installing the Switch 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 device you plan to install in a rack these are not included Ascrewdriver Phillips or flathead depending on the type of screws used Mounting The switch units can be mounted in a standard 19 inch equipment rack or on a desktop or shelf Mounting instructions for each type of site follow 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 D 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 grounded Particular attention should be given to supply connections other than direct connections to the mains To rack mount devi
45. upply Power Socket i NG f murum aem ESI E Figure 1 4 Power Supply Sockets Note There is no BPS currently supported by this switch The RPS100W will be supported in a future release Features and Benefits Connectivity 24 100BASE BX 100BASE FX SFP transceiver slots e Auto negotiation enables each RJ 45 port to automatically select the optimum speed 10 100 or 1000 Mbps and the communication mode half or full duplex 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 better for 1000 Mbps connections IEEE 802 3 2005 Ethernet Fast Ethernet Gigabit Ethernet compliance ensures compatibility with standards based hubs network cards and switches from any vendor Expandability Two Gigabit Small Form Factor Pluggable SFP transceiver slots shared with 1000BASE T ports Supports 1000BASE SX and 1000BASE LX 1000BASE LH and other SFP compatible transceivers Performance Transparent bridging Switching table with a total of 8K MAC address entries Provides store and forward switching Supports wire speed filtering and forwarding Broadcast storm control 1 Introduction Management At a glance LEDs for easy troubleshooting Network management agent Manages switch in band or out of band Supports Telnet SNMP RMON and Web based interface Chapter 2 Netw
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