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Black Box LGB6050A network switch

1. Blue W hite Blue Sn Stripe Green End A End B H N F W hite Brown Stripe J O O1 BR D a Brown 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 Figure 27 Crossover Wiring EIA TIA 568B RJ 45 Wiring Standard 10 100BASE TX Crossover Cable W hite Orange Stripe Orange W hite Green Stripe End A e End B Blue W hite Blue Stripe Green W hite Brown Stripe ME JO O1 P D B8 I O O1 BR D l rown gp Jls CHAPTER B Cables Twisted Pair Cable and Pin Assignments 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 LOOOBASE T operation all four pairs of wires are used for both transmit and recei
2. Longer spans and extended reach Optimized for operation in the region from 1500 to 1600 nm CHAPTER B Cables Fiber Standards Table 19 Fiber Standards Continued I TU T Description Standard G 654 1550 nm Loss Minimized Fiber Single mode 9 125 micron core G 655 Non Zero Dispersion Shifted Fiber Single mode 9 125 micron core Application Extended long haul applications Optimized for high power transmission in the 1500 to 1600 nm CA with low loss in the 1550 nm and Extended long haul applications Optimized for high power dense wavelength division multiplexing DWDM operation in the region from 1500 to 1600 nm WW w 9 Aw w 9 9 PQ G3 WW wi OO SPECIFICATIONS PHYSICAL CHARACTERISTICS PORTS LGB6026A 20 10 100 1000BASE T with auto negotiation 4 10 100 1000BASE T shared with 4 SFP transceiver slots 2 10GBASE extender module slots for SFP transceivers Two slots for stacking transceivers LGB6050A 44 10 100 1000BASE T with auto negotiation 4 10 100 1000BASE T shared with 4 SFP transceiver slots 2 10GBASE extender module slots for SFP transceivers Two slots for stacking transceivers NETWORK INTERFACE Ports 1 24 48 RJ 45 connector auto MDI MDI X lOBASE T RJ 45 100 ohm UTP cable Category 3 or better 100BASE TX RJ 45 100 ohm UTP cable Category 5 or better 1000BASE T RJ 45 100 ohm UTP or STP cable Category 5 5e or 6 Maximum Cable Length 100 m 328 ft Ports 25
3. Check that only one Stack Master button is pressed in Check that all switches in the stack are powered on After checking all items reboot all the switches in the stack Switches in the stack may be configured using a ring or line topology To ensure minimal disruption in case a unit or stacking cable fails always use a ring topology When using ring topology configuration and a switch fails or a stacking cable is disconnected the stack continues normal operation using line topology stacking through the remaining stack connections If any changes occur to a slave unit such as unit failure or insertion of a new unit operation of the other units in the stack are not affected On the other hand if the master unit fails the unit with the lowest MAC address is elected as the new master The stack reboots discovers the new stack topology assigns identifiers to each unit and checks the software images on each unit This process make take up to two minutes If you do not connect a wrap around cable from the bottom unit back up to the top unit in the stack the failure of a single unit will cause the stack to break into two separate stacks In this case a master unit will be elected for both of the stacks However backup information inherited from the previous master unit will cause the same IP address to be used by both master units in the two stacks You must therefore manually reconfigure the IP address of the management interfa
4. CHAPTER 3 Installing the Switch Connecting to the Console Port CHAPTER 3 Installing the Switch Connecting to the Console Port 54 I MAKING NETWORK CONNECTIONS CONNECTING NETWORK DEVICES This switch is designed to interconnect multiple segments or collision domains It can be connected to network cards in PCs and servers as well as to hubs switches or routers It may also be connected to devices using optional SFP or SFP transceivers 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 1OBASE T connections CABLING GUIDELINES The RJ 45 ports on the switch support 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 CHAPTER 4 Making Network Connections Twisted Pair Devices CONNECTING TO PCs SERVERS HUBS AND SWITCHES 1 Attach one end of a twisted pair cable segment to the device s RJ 45 connector Figure 21 Making Twisted Pair Connections
5. EC 320 receptacle 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 Ne branchez 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 I EC 320 COMPLIANCES AND SAFETY STATEMENTS 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 a 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 France 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 isolemen
6. power to the switch in the event the internal power supply fails PowER SUPPLY SOCKET There are two power sockets on the rear panel of each switch The standard power socket is for the AC power cord The socket labeled RPS is for the optional Redundant Power Supply RPS Figure 5 Power Supply Sockets 100 240V 50 601 24 Module S Power Socket Redundant Power Socket CHAPTER 1 Introduction Description of Hardware OPTIONAL MEDIA EXTENDER MODULES 10GBASE SFP MODULE Figure 6 Single Port 10GBASE Module SFP 1 Port 10 Gigabit XFP Module EM4626H XG XFP Link Act The module s SFP slot supports standard 10 Gigabit Ethernet 10G SFP transceivers The 10GBASE transceivers operate at 10 Gbps full duplex with support for flow control Table 3 Supported SFP Transceivers Media Standard Vendor Part Number Maximum Distance 1GBASE SR Black Box LSP421 1GBASE LR Black Box LSP422 EXTENDER MODULE LEDs The optional 10GBASE slide in module includes its own integrated LED indicators on the module s front panel The following table describes the LEDs Table 4 Module LEDs LED Condition Status Link Activity On Flashing Green Port has a valid link at 10 Gbps Flashing indicates activity Off The link is down CHAPTER 1 introduction Features and Benefits FEATURES AND BENEFITS CON
7. 3 If the device is a network 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 the section Network Wiring Connections on page 57 Otherwise attach the other end to an available port on the switch Make sure each twisted pair cable does not exceed 100 meters 328 ft in length 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 As each connection is made the Link LED on the switch corresponding to each port will light green 1000 Mbps or yellow 10 100 Mbps to indicate that the connection is valid CHAPTER 4 Making Network Connections Twisted Pair Devices 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 f 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 troubleshootin
8. 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 3 Check the front panel LEDs as the device is powered on to be sure the PWR LED is lit If not check that the power cable is correctly plugged in CHAPTER 3 Installing the Switch Connecting to the Console Port 4 If you have purchased a Redundant Power Supply 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 20 Serial Port RJ 45 Pin Out WiRING MAP FOR SERIAL CABLE Table 5 Serial Cable Wiring BuU INNEN UE 6 RXD receive data lt 3 TXD transmit data 3 TXD transmit data gt 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 115 200 bps 9 Character Size 8 Characters Parity None Stop bit One Data bits 8 Flow control none 53
9. and the Double Diamond logo are registered trademarks of BB Technologies Inc Any third party trademarks appearing in this manual are acknowledged to be the property of their respective owners LGB6026A version 1 724 746 5500 blackbox com
10. evaluation of the compliance with these Directives the following standards were applied RFI Emission 4 Immunity LVD Limit class A according to EN 55022 Limit class A for harmonic current emission according to EN 61000 3 2 Limitation of voltage fluctuation and flicker in low voltage supply system according to EN 61000 3 3 Product family standard according to EN 55024 Electrostatic Discharge according to EN 61000 4 2 Radio frequency electromagnetic field according to EN 61000 4 3 Electrical fast transient burst according to EN 61000 4 4 Surge immunity test according to EN 61000 4 5 Immunity to conducted disturbances Induced by radio frequency fields EN 61000 4 6 Power frequency magnetic field immunity test according to EN 61000 4 8 Voltage dips short interruptions and voltage variations immunity test according to EN 61000 4 11 EN 60950 1 2001 COMPLIANCES AND SAFETY STATEMENTS SAFETY COMPLIANCE Warning Fiber Optic Port Safety When using a fiber optic port never look at the transmit laser while it CLASS is powered on Also never look directly at the fiber TX port and fiber LASER DEVICE cable 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 DISPOSITIF LASER jamais directement le port TX Transmission fibres optiques et les DE CLASSE embo
11. of our technical experts in less than 30 seconds 724 746 5500 blackbox com Page 3 INSTALLATION GUIDE LGB6026A GIGABIT ETHERNET SWITCH Layer 3 Stackable Gigabit Ethernet Switch with 20 10 100 1000BASE T RJ 45 Ports 4 Gigabit Combination Ports RJ 45 SFP 2 10 Gigabit Extender Module Slots and 2 Stacking Ports LGB6050A GIGABIT ETHERNET SWITCH Layer 3 Stackable Gigabit Ethernet Switch with 44 10 100 1000BASE T RJ 45 Ports 4 Gigabit Combination Ports RJ 45 SFP 2 10 Gigabit Extender Module Slots and 2 Stacking Ports LGB6026A LGB6050A EN 9 9 9O w 9wAwBc e O COMPLIANCES AND SAFETY STATEMENTS FCC CLASSA 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 operat
12. 1 Plug one end of the stack cable ordered separately in the Down right port of the top unit 2 Plug the other end of the stack cable into the Up left port of the next unit 3 Repeat steps 1 and 2 for each unit in the stack Form a simple chain starting at the Down port on the top unit and ending at the Up port on the bottom unit stacking up to 8 units 4 Optional To form a wrap around topology plug one end of a stack cable into the Down port on the bottom unit and the other end into the Up port on the top unit CHAPTER 3 Installing the Switch Connecting Switches in a Stack Figure 18 Making Stacking Connections 5 Select the Master unit in the stack by pressing the Master button in on only one of the switches Only one switch in the stack can operate as the Master all other units operate in slave mode If more than one switch in the stack is selected as Master or if no switches are selected the system will select the unit with the lowest MAC address as the Master STACKING TOPOLOGIES AIT units in the stack must be connected via stacking cable part numbers LGB6000SC 001 or LGB6000SC 004 You can connect units in a simple cascade configuration connecting Down ports to Up ports from the top unit to the bottom unit Using this line topology if any link or unit in the stack fails the stack is split and two separate segments are formed The Stack Link LEDs on the units that are disconnected flash to indicate that
13. 10BASE T cable lengths 65 A adhesive feet attaching 46 applications central wiring closet 35 collapsed backbone 34 Layer 3 routing 38 remote connections with fiber 36 VLAN connections 37 B brackets attaching 45 buffer size 77 C cable Ethernet cable compatibility 42 fiber standards 75 labeling and connection records 65 lengths 63 65 cleaning fiber terminators 59 61 compliances EMC 81 safety 81 connectivity rules 10 Gbps 63 10 Mbps 65 100 Mbps 65 1000 Mbps 64 console port pin assignments 52 contents of package 43 cooling problems 69 cord sets international 51 D desktop mounting 46 E electrical interference avoiding 41 equipment checklist 43 Ethernet connectivity rules 63 65 Fast Ethernet connectivity rules 65 features 80 management 31 switch 30 front panel of switch 24 G Gigabit Ethernet cable lengths 64 grounding for racks 44 IEEE 802 3 Ethernet 30 IEEE 802 3ae 10 Gigabit Ethernet 30 IEEE 802 3u Fast Ethernet 30 IEEE 802 3z Gigabit Ethernet 30 indicators LED 26 installation connecting devices to the switch 56 desktop or shelf mounting 46 network wiring connections 57 port connections 55 5 power requirements 41 problems 69 rack mounting 44 site requirements 41 L laser safety 59 61 LC port connections 58 61 89 INDEX LED indicators DIAG 27 Module 28 PWR 27 StackID 28 Stack Link 28 Stack Master 27 location requirements 41 M management agent 2
14. 125 micron single mode fiber N A 2m 70km 7 ft 43 5 miles Connector LC Connector RJ 45 Connector LC LC LC LC Connector LC Connector LC CHAPTER 4 Making Network Connections Cable Labeling and Connection Records 100 MBPs FAST ETHERNET COLLISION DOMAIN Table 13 Maximum Fast Ethernet Cable Lengths Type Cable Type Max Cable Length Connector 100BASE TX Ee Dor better 100 ohm 100 m 328 ft RJ 45 UTP or STP 10 MBPS ETHERNET COLLISION DOMAIN Table 14 Maximum Ethernet Cable Length Type Cable Type Max Cable Length Connector lOBASE T Category 3 or better 100 ohm UTP 100 m 328 ft RJ 45 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 yo
15. 28 RJ 45 SFP shared ports 1000BASE T RJ 45 100 ohm UTP or STP cable Category 5 5e or 6 Maximum Cable Length 100 m 328 ft Gigabit fiber transmission SFP transceiver slots 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 64 BUFFER ARCHITECTURE LGB6026A 2 Mbytes LGB6050A 2 Mbytes CHAPTER C Specifications Physical Characteristics AGGREGATE BANDWIDTH LGB6026A 88 Gbps LGB6050A 136 Gbps SWITCHING DATABASE 16K MAC address entries 1024 static MAC addresses 8K IPv4 and AK IPv6 entries in host table 4K ARP entries 12K IPv4 or 6K IPv6 entries in the IP routing table 64 static IP routes 32 IP interfaces 255 multicast groups LEDs System Stack Master Stack Link Module Power Diag RPS Port Status link speed activity WEIGHT LGB6026A 5 7 kg 12 6 Ibs LGB6050A 6 1 kg 13 4 Ibs SIZE 44 0 x 41 5 x 4 4 cm 17 3 x 16 3 x 1 7 in TEMPERATURE Operating 0 to 50 C 32 to 122 F Storage 40 to 70 C 40 to 158 F HUMIDITY Operating 5 to 95 non condensing AC INPUT 100 to 240 V 50 60 Hz 2A CHAPTER C Specifications Switch Features POWER SUPPLY Internal auto ranging transformer 100 to 240 VAC 47 to 63 Hz External supports connection for redundant power supply POWER CONSUMPTION LGB6026A 66 Watts without expansion modules 80 Watts with two expansion mod
16. 5 features 31 80 SNMP 25 mounting the switch in a rack 44 on a desktop or shelf 46 N network connections 55 58 examples 34 O optional modules installation 47 P package contents 43 pin assignments 71 1000BASE T 74 10BASE T 100BASE TX 72 console port 52 ports connecting to 55 58 power connectingto 51 R rack mounting 44 rear panel of switch 24 RJ 45 port connections 55 pinouts 74 rubber foot pads attaching 46 S screws for rack mounting 43 SFP transceiver slots 25 site selelction 41 SNMP agent 25 specifications compliances 81 environmental 78 power 79 standards compliance 81 IEEE 80 status LEDS 26 switch architecture 24 T Telnet 69 temperature within a rack 44 troubleshooting in band access 69 power and cooling problems 69 twisted pair connections 55 V VLANS routing 38 VLANS tagging 37 90 Black Box Tech Support FREE Live 24 7 Tech support the way it should be i K FN Great tech support is just 30 seconds away at 724 746 5500 or blackbox com BLACK BOX About Black Box Black Box provides an extensive range of networking and infrastructure products You ll find everything from cabinets and racks and power and surge protection products to media converters and Ethernet switches all supported by free live 24 7 Tech support available in 30 seconds or less Copyright 2013 Black Box Corporation All rights reserved Black Box
17. 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 TABLES Port Status LEDS System Status LEDs Supported SFP Transceivers Module LEDs Serial Cable Wiring Maximum 1000BASE SX Gigabit Ethernet Cable Lengths Maximum 10GBASE LR 10 Gigabit Ethernet Cable Length Maximum 10GBASE ER 10 Gigabit Ethernet Cable Length Maximum 1000BASE T Gigabit Ethernet Cable Length Maximum 1000BASE SX Gigabit Ethernet Cable Lengths Maximum 1000BASE LX Gigabit Ethernet Cable Length Maximum 1000BASE LH Gigabit Ethernet Cable Length Maximum Fast Ethernet Cable Lengths Maximum Ethernet Cable Length Troubleshooting Chart Power RPS LEDs 10 100BASE TX MDI and MDI X Port Pinouts 1000BASE T MDI and MDI X Port Pinouts Fiber Standards 26 27 29 29 52 63 63 64 64 64 64 64 65 65 67 68 72 74 75 TABLES 20 I Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 FIGURES Front Panels Rear Panel Port LEDs System LEDs Power Supply Sockets Single Port 10GBASE Module SFP Collapsed Backbone Network Aggregation Plan Remote Connections with Fiber Cable Making VLAN Connections IP Routing for Unicast Traff
18. BIT ETHERNET A 1000 Mbps network communication system based on Ethernet and the CSMA CD access method IEEE Institute of Electrical and Electronic Engineers IEEE 802 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 in IEEE 802 3 2005 IEEE 802 3AE Defines the physical layer specifications for 10 Gigabit Ethernet GLOSSARY IEEE 802 3U Defines CSMA CD access method and physical layer specifications for 100BASE TX Fast Ethernet Now incorporated in IEEE 802 3 2005 IEEE 802 3z Defines CSMA CD access method and physical layer specifications for LOOOBASE Gigabit Ethernet Now incorporated in 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 MIB An acronym for Management Information Base It is a set of database objects that contains information about the device MODAL BANDWIDTH Bandwidth for multimode fiber is referred to as modal bandwidth because it varies with the moda
19. Kit CHAPTER 3 Installing the Switch Mounting Figure 13 Attaching the Brackets Em des 2 Mount the device in the rack using four rack mounting screws not provided Figure 14 Installing the Switch in a Rack CHAPTER 3 Installing the Switch Mounting 3 If installing a single switch only turn to Connecting to a Power Source on page 51 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 15 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 If installing a single switch only go to Connecting to a Power Source on page 51 4 If installing multiple switches attach four adhesive feet to each one Place each device squarely on top of the one below in any order 5 If also installing an RPS place it close to the stack CHAPTER 3 Installing the Switch Installing an Optional Module into the Switch INSTALLING AN OPTIONAL MODULE INTO THE SWITCH Figure 16 Installing an Optional Module NOTE The slide in modules are hot swappable you do not need to power off the switch before installing or removing a module To install an optional mod
20. LGB6026A LGB60005SC 001 e e LGB6050A LGB6000SC 004 lt gt BLACK BOX Eun NETWORK SERVICES Customer Order toll free in the U S Call 877 877 BBOX outside U S call 724 746 5500 Support FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Inf ti Mailing address Black Box Corporation 1000 Park Drive Lawrence PA 15055 1018 ua ae Web site www blackbox com E mail info blackbox com Trademarks Used in this Manual Black Box and the Double Diamond logo are registered trademarks of BB Technologies Inc Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners Page 2 724 746 5500 blackbox com LGB6026A GIGABIT ETHERNET SWITCH LGB6050A GIGABIT ETHERNET SWITCH Layer 3 Stackable Gigabit Ethernet Switch Layer 3 Stackable Gigabit Ethernet Switch with 20 10 100 1000BASE T RJ 45 Ports with 44 10 100 1000BASE T RJ 45 Ports 4 Gigabit Combination Ports RJ 45 SFP 4 Gigabit Combination Ports RJ 45 SFP 2 10 Gigabit Extender Module Slots 2 10 Gigabit Extender Module Slots and 2 Stacking Ports and 2 Stacking Ports LGB6001C LGB6000SC 001 LGB6000SC 004 10G Uplink Module 1 ft 0 3 m Stacking Cable 4 ft 1 2 m Stacking Cable We re here to help If you have any questions about your application or our products contact Black Box Tech Support at 724 746 5500 or go to blackbox com and dick on Talk to Black Box You ll be live with one
21. NECTIVITY 4 24 or 48 10 100 1000 Mbps ports for easy Gigabit Ethernet integration and for protection of your investment in legacy LAN equipment Auto negotiation enables each RJ 45 port to automatically select the optimum communication mode half or full duplex if this feature is Supported by the attached device otherwise the port can be configured manually RJ 45 10 100 1000BASE T ports support auto MDI MDI X pinout selection Unshielded UTP cable supported on all RJ 45 ports Category 3 or better for 10 Mbps connections Category 5 or better for 100 Mbps connections and Category Category 5 5e 6 or better for 1000 Mbps connections IEEE 802 3 2005 Ethernet Fast Ethernet Gigabit Ethernet and IEEE 802 3ae 10 Gigabit Ethernet compliance ensures compatibility with standards based hubs network cards and switches from any vendor Provides stacking capability via high speed serial ports with 48 Gbps stacking bandwidth Up to 8 units can be stacked together EXPANDABILITY 4 4 Supports 1000BASE SX 1000BASE LX and 1000BASE LH SFP transceivers Optional LOGBASE single port expansion module with an SFP transceiver slot LGB6001C PERFORMANCE Transparent bridging Aggregate duplex bandwidth of up to 88 Gbps for the LGB6026A or 136 Gbps for the LGB6050A CHAPTER 1 introduction Features and Benefits Switching table with a total of 16K MAC address entries and 8K IPv4 address entries or 4K IP
22. Power off or failure System self diagnostic test in progress System set diagnostic test successfully completed System self diagnostic test has detected a fault Redundant power supply is receiving power Fault in redundant power supply including thermal or fan failure Redundant power supply is off or not plugged in Switch is the Master unit of the stack State may include topology discovery IP assignment or normal operations Switch is the Master unit of the stack system is initializing Switch is operating as a Slave unit in the stack System in Master arbitration election state System in standalone mode CHAPTER 1 introduction Description of Hardware Table 2 System Status LEDs Continued LED Condition Stack Link Green Flashing Green Flashing Amber Off Module Green Amber Off Stack ID 1 8 Off Status Uplink and downlink operating normally Uplink has failed Downlink has failed No stacking link present An expansion module LGB6001C is installed and operating normally An expansion module is installed but has failed There is no module installed Indicates the switch stack ID The Master unit is numbered 1 Note that If the master unit fails and a backup unit takes over the stack IDs do not change Slave units are numbered 2 8 In standalone mode OPTIONAL REDUNDANT PowER SUPPLY The switch supports an optional Redundant Power Supply RPS that can supply
23. Y UL 60950 1 amp CSA 60950 1 IEC 60950 1 amp EN 60950 1 10GBASE EXTENDER MODULE SFP PORTS 1 slot for 10GBASE SFP transceiver COMMUNICATION SPEED 10 Gbps COMMUNICATION MODE Full duplex Specifications Compliances CHAPTER C Specifications 10GBASE Extender Module SFP NETWORK INTERFACE SFP slot STANDARDS IEEE 802 3ae 10 Gigabit Ethernet 82 ss GLOSSARY 10BASE T IEEE 802 3 specification for 10 Mbps Ethernet over two pairs of Category 3 4 or 5 UTP 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 IEEE 802 3z specification for 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 10GBASE ER IEEE 802 3ae specification for 10 Gigabit Ethernet over two strands of 9 125 micron core single mode fiber cable GLOSSARY 10GBASE LR IEEE 802 3ae specification for 10 Gigabit Ethernet over two strands of 9 125 micron core single mode fiber cable 10GBASE SR IEEE 802 3ae specification for 10 Gigabit Ethernet over two strands o
24. able Length Connector 62 5 125 micron 160 MHz km 2 26 m 7 85 ft LC single mode fiber 200 MHz km 2 33 m 7 108 ft LC 50 125 micron 400 MHz km 2 66 m 7 216 ft LC single mode fiber 500 MHz km 2 82 m 7 269 ft LC 2000 MHz km 2 300 m 7 984 ft LC Table 7 Maximum 10GBASE LR 10 Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length Connector 9 125 micron single N A 10 km 6 2 miles LC mode fiber CHAPTER 4 Connectivity Rules Making Network Connections Table 8 Maximum 10GBASE ER 10 Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length 9 125 micron single N A 40 km 24 85 miles mode fiber 1000 MBPS GIGABIT ETHERNET COLLISION DOMAIN Table 9 Maximum 1000BASE T Gigabit Ethernet Cable Length Cable Type Maximum Cable Length Category 5 5e or 6 100 ohm UTP or STP 100 m 328 ft Table 10 Maximum 1000BASE SX Gigabit Ethernet Cable Lengths Fiber Size Fiber Bandwidth Maximum Cable Length 62 5 125 micron 160 MHz km 2 220 m 7 722 ft multimode fiber 200 MHz km 2 275 m 7 902 ft 50 125 micron 400 MHz km 2 500 m 7 1641 ft multimode fiber 500 MHz km 2 550 m 7 1805 ft Table 11 Maximum 1000BASE LX Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length 9 125 micron single N A 2m 5 km 7 ft 3 2 miles mode fiber Table 12 Maximum 1000BASE LH Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length 9
25. ach fiber optic cable must have an LC connector attached at both ends UN WARNING These switches use 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 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 port s protective cover When not connected to a fiber cable the 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 other device Since LC connectors are keyed the cable can be attached in only one orientation CHAPTER 4 Making Network Connections 10 Gbps Fiber Optic Connections Figure 24 Connecting to an SFP Transceiver 4 As a connection is made check the Link LED on the module
26. an 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 Table 17 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 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 CHAPTER B Cables Twisted Pair Cable and Pin Assignments Figure 26 Straight through Wiring EIA TIA 568B RJ 45 Wiring Standard 10 100BASE TX Straight through Cable White Orange Stripe Orange W hite Green Stripe
27. atic MDI MDI X operation you can use straight through cables for all network connections to PCs or servers or to other switches or hubs See 1000BASE T Pin Assignments on page 74 Each of these ports support auto negotiation so the optimum transmission mode half or full duplex and data rate 10 100 or 1000 Mbps can be selected automatically If a device connected to one of these ports does not support auto negotiation the communication mode of that port can be configured manually SFP TRANSCEIVER SLOTS The Small Form Factor Pluggable SFP transceiver slots are shared with four of the RJ 45 ports ports 21 24 for the LGB6026A and ports 45 48 for the LGB6050A 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 CHAPTER 1 Introduction Description of Hardware 10 GIGABIT ETHERNET MODULE SLOTS These switches include two slots on the rear panel for hot swappable single port 10GBASE modules with SFP transceivers Refer to Optional Media Extender Modules on page 29 for more information on this module and the supported 10G transceivers STACKING PORTS Each unit includes two stacking ports that provide a 48 Gbps high speed serial stack backplane connection Up to eight 24 port or 48 port switche
28. ble installation be sure to include all patch cables between switches and end devices CHAPTER B Cables Fiber Standards 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 FiBER STANDARDS The International Telecommunication Union ITU T has standardized various fiber types for data networks These are summarized in the following table Table 19 Fiber Standards I TU T Description Standard G 651 Multimode Fiber 50 125 micron core G 652 Non Dispersion Shifted Fiber Single mode 9 125 micron core G 652 C Low Water Peak Non Dispersion Shifted Fiber Single mode 9 125 micron core G 653 Dispersion Shifted Fiber Single mode 9 125 micron core Application Short reach connections in the 1300 nm or 850 nm band Longer spans and extended reach Optimized for operation in the 1310 nm band but can also be used in the 1550 nm band Longer spans and extended reach Optimized for wavelength division multiplexing WDM transmission across wavelengths from 1285 to 1625 nm The zero dispersion wavelength is in the 1310 nm region
29. blem 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 valid 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 NOTE The management agent accepts 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 CHAPTER Troubleshooting Stack Troubleshooting STACK TROUBLESHOOTING If a stack fails to initialize or function first check the following items Check that all stacking cables are properly connected Check if any stacking cables appear damaged
30. ce on one of the master units WW wG ew GQh kbbkfk CABLES TWISTED PAIR CABLE AND PIN ASSIGNMENTS For 10 100BASE TX connections the 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 DO NOT plug a phone jack connector into any RJ 45 port Use only twisted pair cables with RJ 45 connectors that conform with FCC standards CAUTION Each wire pair must be attached to the RJ 45 connectors in a specific orientation 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 25 RJ 45 Connector Pin Numbers 1 8 SSS CHAPTER B Cables Twisted Pair Cable and Pin Assignments 10BASE T 100BASE TX PIN ASSIGNMENTS Use unshielded twisted 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 c
31. e 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 fiber or 9 125 micron single mode fiber INDUSTRY CANADA CLASS A This digital apparatus does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the interference causing equipment standard entitled Digital Apparatus I CES 003 of the Department of Communications Cet appareil num rique respecte les limites de bruits radio lectriques applicables aux appareils num riques de Classe A prescrites dans la norme sur le mat riel brouilleur Appareils Num riques NMB 003 dict e par le minist re des Communications JAPAN VCCI CLAss A COMBS HMUELESLRMEATMABMS VCC OR lt BS lt OSRAMREMHEETCT BOXE E IEIRS CERT A LER HEB SROFCEMHVES COIMSICIEAERIEAUBUZERUR EHE HESBRENSCEMHBVET COMPLIANCES AND SAFETY STATEMENTS 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
32. erating as a collapsed backbone for a small LAN It is providing dedicated 10 Mbps full duplex connections to workstations and 100 Mbps full duplex connections to power users and 1 Gbps full duplex connections to servers Figure 7 Collapsed Backbone P d PA VA e Servers Workstations Workstations 1 Gbps 100 Mbps 10 Mbps Full Duplex Full Duplex Full Duplex CHAPTER 2 Network Planning Application Examples NETWORK AGGREGATION PLAN With 24 or 48 parallel bridging ports i e 24 or 48 distinct collision domains a Gigabit switch stack can collapse a complex network down into a single efficient bridged node increasing overall bandwidth and throughput In the figure below the 10 100 1000BASE T ports in a stack of 48 port Gigabit Ethernet switches are providing 1000 Mbps connectivity through stackable switches In addition the switches are also connecting several servers at 10 Gbps Figure 8 Network Aggregation Plan E Server Farm 10 100 1000 Mbps Segments CHAPTER 2 Network Planning Application Examples REMOTE CONNECTIONS 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 a switch stack to serve as a collapsed backbone providing direct connecti
33. except for a router to handle non IP protocols and a gateway router linked to the WAN Just assign an IP address to any VLANs that need to communicate The switches will continue to segregate Layer 2 traffic based on VLANs but will now provide inter VLAN connections for IP applications The switches will perform IP routing for specified VLAN groups a directly connected subnetwork a remote IP subnetwork or host address a subnetwork broadcast address or an IP multicast address Figure 11 IP Routing for Unicast Traffi N ll Ki R amp D IP Network2 40 Be Testing IP Network 1 p as pm C A SE VLAN 2 eme CHAPTER 2 Network Planning Application Notes 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 2 For network applications that require routing between dissimilar network types you can attach these switches directly to a multi protocol router However if you have to interconnect distinct VLANs or IP subnets you can take advantage of the wire speed Layer 3 routing provided by these switches 3 Asa general rule the length of fiber optic cable for a single switched link should not exceed 1000BASE SX 550m 1805 ft for multimode fiber 1000BASE LX 5 km 3 1 miles for single mode f
34. f 62 5 125 micron core multimode fiber cable 10 GIGABIT ETHERNET 10 Gbps network communication system based on Ethernet 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 difference 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 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 and Gigabit Ethernet END STATION A workstation server or other device that does not forward traffic GLOSSARY 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 FULL DUPLEX Transmission method that allows two network devices to transmit and receive concurrently effectively doubling the bandwidth of that link GIGA
35. for attaching the brackets to the switch Power cord either US Continental Europe or UK Console cable RJ 45 to RS 232 This Installation Guide Management Guide CD OPTIONAL RACK MOUNTING EQUIPMENT If you plan to rack mount the switch be sure to have the following equipment available 4 Four mounting screws for each device you plan to install in a rack these are not included A screwdriver Phillips or flathead depending on the type of screws used CHAPTER 3 Installing the Switch Mounting MOUNTING The switch 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 78 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 devices 1 Attach the brackets to the device using the screws provided in the Bracket Mounting
36. g See Cable Labeling and Connection Records on page 65 CHAPTER 4 Making Network Connections Fiber Optic SFP Devices Figure 22 Network Wiring Connections Equipment Rack side view Network Switch X Punch Down Block Patch Panel FIBER OPTIC SFP DEVICES An optional Gigabit SFP transceiver 1000BASE SX 1000BASE LX or 1000BASE LH can be used for a backbone connection between switches or for connecting to a high speed server Each single mode fiber port requires 9 125 micron single mode fiber optic cable with an LC connector at both ends Each multimode fiber optic port requires 50 125 or 62 5 125 micron multimode fiber optic cabling with an LC connector at both ends CHAPTER 4 Making Network Connections Fiber Optic SFP Devices 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 plug When not connected to a fiber cable the rubber plug should be replaced to pro
37. h and attached device are powered on Be sure the cable is plugged into both the switch and corresponding device If the switch is installed in a rack check the connections to the punch down block and patch panel 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 CHAPTER Troubleshooting Diagnosing Switch Indicators DIAGNOSING POWER PROBLEMS WITH THE LEDS The Power and RPU LEDs work in combination to indicate power status as follows Table 16 Power RPS LEDs Power LED Green Green Green Amber Off RPU LED Green Amber Off Green Off Status Internal power functioning normally RPU is present Internal power functioning normally RPU plugged in but faulty Internal power functioning normally RPU not plugged in Internal power faulty RPU delivering power Both internal power and RPU unplugged or not functioning CHAPTER Troubleshooting Power and Cooling Problems 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 If you still cannot isolate the pro
38. i RJ 45 Connections Attaching the Brackets Installing the Switch in a Rack Attaching the Adhesive Feet Installing an Optional Module Inserting an SFP Transceiver into a Slot Making Stacking Connections Power Socket Serial Port RJ 45 Pin Out Making Twisted Pair Connections Network Wiring Connections Making Fiber Port Connections Connecting to an SFP Transceiver RJ 45 Connector Pin Numbers Straight through Wiring Crossover Wiring 24 24 26 27 28 29 34 35 36 37 38 42 45 45 46 47 48 50 51 52 56 58 59 62 71 73 73 FIGURES 22 I INTRODUCTION OVERVIEW The LGB6026A and LGB6050A Switches are intelligent multilayer switches Layer 2 3 with 24 48 10 100 1000BASE T ports four of which are combination ports that are shared with four SFP transceiver slots see Figure 1 Ports 21 24 45 48 The rear panel provides two slots for single port 10 Gigabit Ethernet hot swappable expansion modules LGB6001C and two stacking ports Units can be stacked up to eight high through the built in stacking ports that provide a 48 Gbps stack backplane The switches include an SNMP based management agent embedded on the main board which supports both in band and out of band access for managing the stack These switches can easily tame your network with full support for Spanning Tree Protocol Multicast Switching Virtual LANs and IP routing It brings order to poorly performing networks by segregating them int
39. iber 1000BASE LH 70 km 43 5 miles for single mode fiber E 1O0GBASE SR 300 m 984 ft for multimode fiber 1OGBASE LR 10 km 6 2 miles for single mode fiber E 1OGBASE ER 40 km 24 8 miles for single mode fiber However power budget constraints must also be considered when calculating the maximum cable length for your specific environment CHAPTER 2 Application Notes Network Planning 40 EN 999 S9 9E E 9v 0 8 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 E beatthe center of all the devices you want to link and near a power outlet E be able to maintain its temperature within O to 50 C 32 to 122 F and its humidity within 596 to 9596 non condensing E provide adequate space approximately five centimeters or two inches on all sides for proper air flow E be accessible for installing cabling and maintaining the devices T 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 the unit is connected to a separate grounded power outlet that provides 100 to 240 VAC 50 to 60 Hz is within 2 m 6 6 feet of each device and i
40. l 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 GLOSSARY NETWORK DIAMETER Wire distance between two end stations in the same collision domain REDUNDANT POWER SUPPLY RPS A backup power supply unit that automatically takes over in case the primary power supply should fail RJ 45 CONNECTOR A connector for twisted pair wiring SWITCHED PORTS Ports that are on separate collision domains or LAN segments 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 88 INDEX NUMERICS 10 Gbps connectivity rules 63 10 Mbps connectivity rules 65 100 Mbps connectivity rules 65 1000 Mbps connectivity rules 64 1000BASE LH fiber cable Lengths 64 1000BASE LX fiber cable Lengths 64 1000BASE SX fiber cable Lengths 63 64 1000BASE T pin assignments 74 100BASE TX cable lengths 65
41. lossen werden welche die internationalen Sicherheitsnormen erf llt Der Ger testecker der Anschlu an das Ger t nicht der Wandsteckdosenstecker mu einen gem EN 60320 IEC 320 konfigurierten Ger teeingang haben Die Netzsteckdose mu in der N he des Ger ts und leicht zug nglich 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 gem 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 mu die SEV ASE 1011Bestimmungen einhalten Europe Das Netzkabel mu vom Typ HO3VVF3GO 75 Mindestanforderung sein und die Aufschrift lt HAR gt oder lt BASEC gt tragen Der Netzstecker mu die Norm CEE 7 7 erf llen SCHUKO COMPLIANCES AND SAFETY STATEMENTS WARNINGS AND CAUTIONARY MESSAGES WanNING This product does not contain any serviceable user parts WanNiNG Installation and removal of the unit must be carried out by qualified personnel only WaRNING 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 WanNING This switch uses la
42. nected also operates under SELV conditions France and Peru only This unit cannot be powered from IT 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 IMPORTANT Before making connections make sure you have the correct cord set Check it read the label on the cable against the following COMPLIANCES AND SAFETY STATEMENTS Power Cord Set U S A and Canada Denmark Switzerland U K Europe 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 configuration The supply plug must comply with Section 107 2 D1 Standard DK2 1a or DK2 5a The supply plug must comply with SEV ASE 1011 The supply plug must comply with BS1363 3 pin 13 A and be 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 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 HO3VVF3GO 75 minimum
43. ngle switch However tagged VLANs should be used for larger networks and all the VLANs assigned to the inter switch links These switches also support multiple spanning trees which allow VLAN 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 At Layer 3 VLANs are used to create an IP interface where one or more ports are assigned to the same IP segment Traffic is automatically routed between different IP segments on the same switch without any need to configure routing protocols Figure 10 Making VLAN Connections ad Untagged Ports Tagged Port LL FR VLAN VLAN aware Finance Geer N ee Switch switch VLAN 2 oe TS E UM mummumuuum Testing R amp D Marketing Se Finance x X 21x Par Testing VLAN 3 l k e VLAN 4 VLAN 4 p VLAN 2 VLAN 3 NOTE When connecting to a switch that does not support IEEE 802 1Q VLAN tags use untagged ports CHAPTER 2 Network Planning Application Examples USING LAYER 3 ROUTING VLANS can significantly enhance network performance and security However if you use conventional routers to interconnect VLANs you can lose most of your performance advantage These Gigabit Ethernet Switches are routing switches that provide wire speed routing which allows you to eliminate your conventional IP routers
44. o separate broadcast domains with IEEE 802 1Q compliant VLANs empowers multimedia applications with multicast switching and CoS services and eliminates conventional router bottlenecks These switches can be used to augment or completely replace slow legacy routers off loading local IP traffic to release valuable resources for non IP routing or WAN access With wire speed performance for Layer 2 and Layer 3 these switches can significantly improve the throughput between IP segments or VLANS 1 If an SFP transceiver is plugged in the corresponding RJ 45 port is disabled for ports 21 24 on LGB6026A or ports 45 48 on LGB6050A 2 23 We CHAPTER 1 introduction Overview Figure 1 Front Panels Port Status LEDs Stack ID Serial Console Port A A 10 100 1000 Mbps RJ 45 Ports System Status LEDs SFP Slots LGB6050A SS LGB6026A Figure 2 Rear Panel Power Socket Redundant Power Socket Module Slots Stacking Ports SWITCH ARCHITECTURE These Gigabit Ethernet switches employ a wire speed non blocking switching fabric This permits simultaneous wire speed transport of multiple packets at low latency on all ports The switches also feature full duplex capability on all ports which effectively doubles the bandwidth of each connection For communications between different VLANs these switches use IP routing For communications within the same VLAN they use store and forward switching to ens
45. ount 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 Gigabit Ethernet or 10G Ethernet network to significantly boost bandwidth while using conventional cabling and network cards CHAPTER 2 Network Planning Application Examples APPLICATION EXAMPLES The Gigabit Ethernet Switches are not only designed to segment your network but also to provide a wide range of options in setting up network connections and linking VLANs or IP subnets Some typical applications are described below COLLAPSED BACKBONE The Gigabit Ethernet Switches are 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 for up to 24 48 workstations or servers 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 connect to another hub or switch using one of the Gigabit Ethernet ports built into the front panel a Gigabit Ethernet port on a plug in SFP transceiver or a 10G transceiver on an optional module In the figure below the 48 port Gigabit Ethernet Switch is op
46. 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 COMPLIANCES AND SAFETY STATEMENTS 14 WW 8 ABOUT THIS GUIDE PURPOSE This guide details the hardware features of the switch including the physical and performance related characteristics and how to install the switch 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 RELATED PUBLICATIONS The following publication gives specific information on how to operate and use the management functions of the switch The Management Guide Also as part of the switch s software there is an online web based help that describes all management related features ABOUT THIS GUIDE REVISION HISTORY This section summarizes the changes in each revision of this guide Ma
47. s can be connected together using optional stacking cables LGB6000SC 001 or LGB6000SC 004 Note that the 24 port and 48 port switches can be mixed in the same stack The Stack Master button enables one switch in the stack to be selected as the Master unit for managing the entire stack PORT AND SYSTEM STATUS LEDs These switches include a display panel for key system and port indications that simplify installation and network troubleshooting The LEDs which are located on the front panel for easy viewing are shown below and described in the following tables Figure 3 Port LEDs Port Status LEDs EL f Gah 9 hs h p _ fal AGAGA RK j g SR el v A K A Table 1 Port Status LEDs LED Condition Status Link On Flashing Amber Port has a valid link at 10 or 100 Mbps Flashing Activity S peed indicates activity On Flashing Green Port has a valid link at 1000 Mbps Flashing indicates activity Off The link is down Figure 4 System LEDs CHAPTER 1 introduction Description of Hardware System Status LEDs Stack 24 Stack Master Power Table 2 System Status LEDs LED Power Diag RPS Stack Master Condition Green Amber Off Flashing Green Green Amber Green Amber Off Green Flashing Green Amber Flashing Amber Off Link RPS e e ModuleDiag Master Console Select g 7 Status Internal power is operating normally Internal power supply failure
48. s powered from an independent circuit breaker As with any equipment using a filter or surge suppressor is recommended CHAPTER 3 Installing the Switch Ethernet Cabling ETHERNET CABLING To ensure proper operation when installing the switches into a network make sure that the current cables are suitable for LOBASE T 100BASE TX or 1000BASE T operation Check the following criteria against the current installation of your network Cable type Unshielded twisted pair UTP or shielded twisted pair STP cables with RJ 45 connectors Category 3 or better for LOBASE T Category 5 or better for 100BASE TX and Category 5 5e or 6 for 1000BASE T Protection from radio frequency interference emissions Electrical surge suppression Separation of electrical wires switch related or other and electromagnetic fields from data based network wiring Safe connections with no damaged cables connectors or shields Figure 12 RJ 45 Connections RJ 45 Connector p CHAPTER 3 installing the Switch Equipment Checklist EQUIPMENT CHECKLIST After unpacking this 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 equipment PACKAGE CONTENTS 4 4 gt 9 24 or 48 port Gigabit Ethernet Switch LGB6026A or LGB6050A Four adhesive foot pads Bracket Mounting Kit containing two brackets and eight screws
49. sers 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 CauTION Wear an anti static wrist strap or take other suitable measures to prevent electrostatic discharge when handling this equipment CauTION Do not plug a phone jack connector in the RJ 45 port This may damage this device CauTION Use only twisted pair cables with RJ 45 connectors that conform to FCC standards ENVIRONMENTAL STATEMENTS The manufacturer of this product endeavours to sustain an environmentally friendly policy throughout the entire production process This is achieved though the following means 9 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 COMPLIANCES AND SAFETY STATEMENTS END OF PRODUCT LIFE SPAN This product is manufactured 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
50. t rapport 1 1 avec un point secondaire de connexion portant l appellation Neutre et avec raccordement direct la terre masse Cordon lectrique doit tre agr dans le pays d utilisation Etats Unis et Canada Danemark Suisse Europe cordon doit avoir re u l homologation des UL et un certificat de a CSA Les sp cifications minimales pour un cable flexible sont AWG No 18 ouAWG No 16 pour un cable de longueur inf rieure a 2 metres type SV ou SJ 3 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 a mise a la terre mise ala masse et respecter la configuration NEMA 5 15P 15 A 125 V La prise m le d alimentation doit respecter la section 107 2 D1 de la norme DK2 1a ou DK2 5a La prise male d alimentation doit respecter la norme SEV ASE 1011 La prise secteur doit tre conforme aux normes CEE 7 7 5 CHUKO LE cordon secteur doit porter la mention lt HAR gt ou lt BASEC gt et doit tre de type HO3VVF3GO 75 minimum COMPLIANCES AND SAFETY STATEMENTS Bitte unbedingt vor dem Einbauen des Switches die folgenden 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 mu an eine geerdete Steckdose angesch
51. tect 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 optic 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 other device Since LC connectors are keyed the cable can be attached in only one orientation Figure 23 Making Fiber Port Connections 4 As a connection is made check the Link LED on the switch corresponding to the port to be sure that the connection is valid CHAPTER 4 Making Network Connections Fiber Optic SFP Devices The 1000BASE SX 1000BASE LX 1000BASE LH fiber optic ports operate at l Gbps full duplex with auto negotiation of flow control 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 64 CHAPTER 4 Making Network Connections 10 Gbps Fiber Optic Connections 10 GBPS FIBER OPTIC CONNECTIONS An optional 10 Gigabit transceiver SFP can be used for a backbone connection between switches Single mode fiber ports require 9 125 micron single mode fiber optic cable Multimode fiber optic ports require 50 125 or 62 5 125 micron multimode fiber optic cable E
52. the stack link between them is not functioning see Table 2 System Status LEDs on page 27 When using line topology and a stack link failure occurs the stack reboots and a Master unit is selected within each of the two stack segments The Master unit will be either the unit with the Master button depressed or the unit with the lowest MAC address if the Master button is not depressed on any unit When the stack reboots and resumes operations note that the IP address will be the same for both of the stack segments To resolve the conflicting IP addresses you CHAPTER 3 Installing the Switch Connecting to a Power Source should manually replace the failed link or unit as soon as possible If you are using a wrap around stack topology a single point of failure in the stack will not cause the stack to fail It would take two or more points of failure to break the stack apart If the Master unit fails or is powered off the backup unit will take control of the stack without any loss of configuration settings The Slave unit with the lowest MAC address is selected as the backup unit CONNECTING TO A POWER SOURCE To connect a switch to a power source 1 Insertthe power cable plug directly into the AC socket located at the back of the switch Figure 19 Power Socket 100 240V 50 60Hz 2A 2 Plug the other end of the cable into a grounded 3 pin AC power source NOTE For
53. to be sure that the connection is valid The 10G fiber optic ports operate at 10 Gbps full duplex The maximum length for fiber optic cable operating at 10 Gbps will depend on the fiber type as listed under 10 Gbps Ethernet Collision Domain on page 63 CHAPTER 4 Making Network Connections Connectivity Rules 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 for 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 10 GBPS ETHERNET COLLISION DOMAIN Table 6 Maximum 1000BASE SX Gigabit Ethernet Cable Lengths Fiber Size Fiber Bandwidth Maximum C
54. ule into the switch do the following 1 Remove the blank metal plate or a previously installed module from the appropriate slot by removing the two screws with a flat head screwdriver 2 Before opening the package that contains the module touch the bag to the switch casing to discharge any potential static electricity Also it is recommended to use an ESD wrist strap during installation 3 Remove the module from the anti static shielded bag 4 Holding the module level guide it into the carrier rails on each side and gently push it all the way into the slot ensuring that it firmly engages with the connector 5 If you are sure the module is properly mated with the connector tighten the retainer screws to secure the module in the slot 6 The Module LED on the switch s front panel should turn green to confirm that the module is correctly installed and ready to use CHAPTER 3 Installing the Switch Installing an Optional SFP Transceiver INSTALLING AN OPTIONAL SFP TRANSCEIVER Figure 17 Inserting an SFP Transceiver into a Slot These switches support 1000BASE SX and 1000BASE LX and 1000BASE LH SFP compatible transceivers To install an SFP transceiver do the following 1 Consider network and cabling requirements to select an appropriate SFP transceiver type 2 Insert the transceiver with the optical connector facing outward and the slot connector facing down Note that SFP transceivers are keyed so they can onl
55. ules LGB6001C LGB6050A 100 Watts without expansion modules 130 Watts with two expansion modules LGB6001C MAXIMUM CURRENT LGB6026A 1 110 VAC without expansion modules 1 1 A 110 VAC with two expansion modules LGB6001C 0 38 A 240 VAC without expansion modules 0 44 A 240 VAC with two expansion modules LGB6001C LGB6050A 1 6 A 110 VAC without expansion modules 1 8 A 110 VAC with two expansion modules LGB6001C 0 66 A 240 VAC without expansion modules 0 72 A 240 VAC with two expansion modules LGB6001C SWITCH FEATURES FORWARDING MODE Store and forward THROUGHPUT Wire speed FLOW CONTROL Full duplex IEEE 802 3x Half duplex Back pressure CHAPTER C Specifications Management Features MANAGEMENT FEATURES IN B AND MANAGEMENT SSH Telnet SNMP or HTTP OuT OF BAND MANAGEMENT RS 232 DB 9 console port SOFTWARE LOADING TFTP in band or XModem out of band STANDARDS IEEE 802 3 2005 Ethernet Fast Ethernet Gigabit Ethernet Full duplex flow control IEEE 802 3ae 10 Gigabit Ethernet IEEE 802 1D Spanning Tree Protocol IEEE 802 1w Rapid Spanning Tree Protocol IEEE 802 1s Multiple Spanning Tree Protocol IEEE 802 1Q Virtual LAN ISO IEC 8802 3 CSMA CD CHAPTER C COMPLIANCES CE MARK EMISSIONS 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 SAFET
56. ur cable labeling Use sequential numbers for cables that originate from the same equipment CHAPTER 4 Making Network Connections Cable Labeling and Connection Records 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 I TROUBLESHOOTING DIAGNOSING SWITCH INDICATORS Table 15 Troubleshooting Chart Symptom Action PWR LED is Off 4 Power LED is Amber 9 DIAG LED Flashing Yellow Stack Master LED is Flashing Amber 4 Stack Link LED is Flashing Green Amber Link LED is Off 4 Check connections between the switch the power cord and the wall outlet Contact your dealer for assistance Internal power supply has failed Contact your local dealer for assistance Power cycle the switch to try and clear the condition If the condition does not clear contact your dealer for assistance The stack has not completed its initial configuration Wait a few minutes for the process to complete Check that all stacking cables are properly connected The uplink downlink has failed For the indicated stack link check that the stacking cables are properly connected Replace the stacking cable if necessary part numbers LGB6000SC 001 or LGB6000SC 004 Power cycle the switch to try and clear the condition Verify that the switc
57. ure 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 These switches include built in stacking ports that enable up to eight units to be connected together through a 48 Gbps stack backplane The switch stack can be managed from a master unit using a single IP address These switches also include two slots on the rear panel for slide in single port LOGBASE modules with SFP transceivers CHAPTER 1 introduction Description of Hardware NETWORK MANAGEMENT OPTIONS These switches contain a comprehensive array of LEDs for at a glance monitoring of network and port status They also include a management agent that allows you to configure or monitor the switch using its embedded management software or via SNMP applications To manage each switch you can make a direct connection to the console port out of band or you can manage the switches through a network connection in band using Telnet the on board web agent or SNMP based network management software For a detailed description of the management features refer to the Management Guide DESCRIPTION OF HARDWARE 10 100 1000BASE T PORTS The switches contain 24 48 RJ 45 ports that operate at 10 Mbps or 100 Mbps half or full duplex or at 1000 Mbps full duplex Because all ports on these switches support autom
58. uts de cables fibres optiques tant qu ils sont sous tension Warnhinweis Faseroptikanschl sse Optische Sicherheit P Niemals ein bertragungslaser betrachten w hrend dieses LASERGERAT eingeschaltet ist Niemals direkt auf den Faser TX Anschlu und auf DER KLASSE die Faserkabelenden schauen w hrend diese eingeschaltet sind PSE ALARM Z7 l amp I mHRUM ULCIUxSiR3 F ty hig AXRMSACST ABIRI KFeyY hk A TAIO Sis XE VIE MORT ZEA OHE CEIE UA HRAAICAASCHEBIRI FLYbLE AIL HS OBIRI Kry bh aeeALleAUCrS L COMPLIANCES AND SAFETY STATEMENTS POWER CORD SAFETY 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 The unit 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 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 con
59. v6 address entries Provides store and forward switching for intra VLAN traffic and IP routing for inter VLAN traffic Supports wire speed switching at layer 2 and wire speed routing at layer 3 Broadcast storm control MANAGEMENT At a glance LEDs for easy troubleshooting Network management agent Manages switch or entire stack in band or out of band Supports console Telnet SSH SNMP v1 v2c v3 RMON 4 groups and web based interface Slave units provide backup stack management CHAPTER 1 introduction Features and Benefits 32 WW JD O amp w 9 we D GO NETWORK 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 These switches have 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 c
60. ve 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 18 1000BASE T MDI and MDI X Port Pinouts Pin MDI Signal Name MDI X Signal Name 1 Bi directional Pair A Plus BI DA Bi directional Pair B Plus BI_DB 2 Bi directional Pair A Minus BI DA Bi directional Pair B Minus BI DB 3 Bi directional Pair B Plus BI DB Bi directional Pair A Plus BI _DA 4 Bi directional Pair C Plus BI _DC Bi directional Pair D Plus BI DD 5 Bi directional Pair C Minus BI DC Bi directional Pair D Minus BI DD 6 Bi directional Pair B Minus BI DB Bi directional Pair A Minus BI DA 7 Bi directional Pair D Plus BI_DD Bi directional Pair C Plus BI_DC 8 Bi directional Pair D Minus BI DD Bi directional Pair C Minus BI DC 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 EI A TSB 95 Bulletin The Additional Transmission Performance Guidelines for 100 Ohm 4 Pair Category 5 Cabling Note that when testing your ca
61. vity for a widespread LAN A 1000BASE SX SFP transceiver can be used for a high speed connection between floors in the same building and a 10GBASE LR module can be used for high bandwidth core connections between buildings in a campus setting For long haul connections a 1000BASE LH SFP transceiver can be used to reach another site up to 70 kilometers away The figure below illustrates three Gigabit Ethernet switch stacks interconnecting multiple segments with fiber cable Figure 9 Remote Connections with Fiber Cable Headquarters N Warehouse pii x t liam St m 1000BASE LX SMF Sg ht It 5 kilometers and green Bam Eres i TUM 1000BASE SX MMF N K Server Farm 500 meters E 1000BASE LX SMF 5 kilometers Remote Switch Remote Switch Research amp Development oua n lm i uu iC i i a Cn a a a a C RT CHAPTER 2 Network Planning Application Examples MAKING VLAN CONNECTIONS These switches support 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 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 si
62. y 2010 REVISION This is the first revision of this guide CONTENTS COMPLIANCES AND SAFETY STATEMENTS ABOUT THIS GUIDE CONTENTS TABLES FIGURES INTRODUCTION Overview Description of Hardware Features and Benefits NETWORK PLANNING Introduction to Switching Application Examples Application Notes INSTALLING THE SWITCH Selecting a Site Ethernet Cabling Equipment Checklist Mounting Installing an Optional Module into the Switch Installing an Optional SFP Transceiver Connecting Switches in a Stack Connecting to a Power Source Connecting to the Console Port 15 17 19 21 23 23 25 30 33 33 34 39 41 41 42 43 44 47 48 49 51 52 CONTENTS MAKING NETWORK CONNECTIONS Connecting Network Devices Twisted Pair Devices Fiber Optic SFP Devices 10 Gbps Fiber Optic Connections Connectivity Rules Cable Labeling and Connection Records TROUBLESHOOTING Diagnosing Switch Indicators Power and Cooling Problems Installation In Band Access Stack Troubleshooting CABLES Twisted Pair Cable and Pin Assignments Fiber Standards SPECIFICATIONS Physical Characteristics Switch Features Management Features Standards Compliances lOGBASE Extender Module SFP GLOSSARY INDEX 55 55 55 58 61 63 65 67 67 69 69 69 70 71 71 75 17 77 79 80 80 81 81 83 89 I Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table
63. y be installed in one orientation 3 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 CHAPTER 3 Installing the Switch Connecting Switches in a Stack CONNECTING SWITCHES IN A STACK Figure 18 shows how the stack cables are connected between switches in a stack Each stacking connection is a 48 Gbps full duplex high speed serial link using proprietary stacking cables part numbers LGB6000SC 001 or LGB6000SC 004 The switch supports a line and ring topology stacking configuration or can be used stand alone To ensure minimal disruption in case a unit or stacking cable fails we recommend always use a ring topology In line topology stacking there is a single stack cable connection between each switch that carries two way communications across the stack In ring topology stacking an extra cable is connected between the top and bottom switches forming a ring or closed loop The closed loop cable provides a redundant path for the stack link so if one link fails stack communications can still be maintained Figure 18 illustrates a ring topology stacking configuration To connect up to eight switches in a stack perform the following steps

Black Box LGB6050A network switch

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