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HAPTER

| Making Network Connections

Fiber Optic SFP Devices

The 1000BASE-SX, 1000BASE-LX, 1000BASE-LH fiber optic ports operate at
1 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

Summary of Contents for LGS103AE

Page 1: ...24 or 48 Port 10 100 1000B T Layer III Ethernet Switches with 10Gbps Uplinks Switches with 10Gbps Uplinks uppor In orma ion www blackbox eu u mer 10Gbps Switch L3...

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Page 4: ...Ports 4 Gigabit Combination Ports RJ 45 SFP 2 10 Gigabit Extender Module Slots and 2 Stacking Ports LGS104AE GIGABIT ETHERNET SWITCH Layer 3 Stackable Gigabit Ethernet Switch with 44 10 100 1000BASE...

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Page 6: ...ot 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...

Page 7: ...cording 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 Immunity...

Page 8: ...s curit sur le plan optique DISPOSITIF LASER DE CLASSE I Ne regardez jamais le laser tant qu il est sous tension Ne regardez jamais directement le port TX Transmission fibres optiques et les embouts...

Page 9: ...he 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 V...

Page 10: ...2 The mains cord must be HAR or BASEC marked and be of type HO3VVF3GO 75 minimum Europe The supply plug must comply with CEE7 7 SCHUKO The mains cord must be HAR or BASEC marked and be of type HO3VVF3...

Page 11: ...e connexion portant l appellation Neutre et avec raccordement direct la terre masse Cordon lectrique Il doit tre agr dans le pays d utilisation Etats Unis et Canada Le cordon doit avoir re u l homolog...

Page 12: ...r 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 unterbroc...

Page 13: ...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 Thi...

Page 14: ...ncluded 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 do...

Page 15: ...14 COMPLIANCES AND SAFETY STATEMENTS...

Page 16: ...nventions 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...

Page 17: ...16 ABOUT THIS GUIDE REVISION HISTORY This section summarizes the changes in each revision of this guide MAY 2010 REVISION This is the first revision of this guide...

Page 18: ...NETWORK PLANNING 33 Introduction to Switching 33 Application Examples 34 Application Notes 39 3 INSTALLING THE SWITCH 41 Selecting a Site 41 Ethernet Cabling 42 Equipment Checklist 43 Mounting 44 Inst...

Page 19: ...nnection Records 65 A TROUBLESHOOTING 67 Diagnosing Switch Indicators 67 Power and Cooling Problems 69 Installation 69 In Band Access 69 Stack Troubleshooting 70 B CABLES 71 Twisted Pair Cable and Pin...

Page 20: ...Length 64 Table 9 Maximum 1000BASE T Gigabit Ethernet Cable Length 64 Table 10 Maximum 1000BASE SX Gigabit Ethernet Cable Lengths 64 Table 11 Maximum 1000BASE LX Gigabit Ethernet Cable Length 64 Table...

Page 21: ...20 TABLES...

Page 22: ...Figure 13 Attaching the Brackets 45 Figure 14 Installing the Switch in a Rack 45 Figure 15 Attaching the Adhesive Feet 46 Figure 16 Installing an Optional Module 47 Figure 17 Inserting an SFP Transce...

Page 23: ...22 FIGURES...

Page 24: ...he 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 segre...

Page 25: ...uplex 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 VLA...

Page 26: ...00 Mbps full duplex Because all ports on these switches support automatic MDI MDI X operation you can use straight through cables for all network connections to PCs or servers or to other switches or...

Page 27: ...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 The...

Page 28: ...tic test successfully completed Amber System self diagnostic test has detected a fault RPS Green Redundant power supply is receiving power Amber Fault in redundant power supply including thermal or fa...

Page 29: ...tes 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 Off In standalone mode OP...

Page 30: ...flow control Table 3 Supported XFP Transceivers Media Standard Vendor Part Number Maximum Distance 1GBASE SR 1GBASE LR Black Box Black Box LSX080 M0 LSX080 S1 300 m 10 km EXTENDER MODULE LEDS The opt...

Page 31: ...egory 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...

Page 32: ...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 troubleshooti...

Page 33: ...32 CHAPTER 1 Introduction Features and Benefits...

Page 34: ...riencing 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...

Page 35: ...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 connec...

Page 36: ...x 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 prov...

Page 37: ...ed 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 connectio...

Page 38: ...nter 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 tra...

Page 39: ...IP routers 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 segregat...

Page 40: ...have to interconnect distinct VLANs or IP subnets you can take advantage of the wire speed Layer 3 routing provided by these switches 3 As a general rule the length of fiber optic cable for a single...

Page 41: ...40 CHAPTER 2 Network Planning Application Notes...

Page 42: ...imately five centimeters or 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 p...

Page 43: ...rk Cable type Unshielded twisted pair UTP or shielded twisted pair STP cables with RJ 45 connectors Category 3 or better for 10BASE T Category 5 or better for 100BASE TX and Category 5 5e or 6 for 100...

Page 44: ...LGS104AE Four adhesive foot pads Bracket Mounting Kit containing two brackets and eight screws for attaching the brackets to the switch Power cord either US Continental Europe or UK Console cable RJ 4...

Page 45: ...ient 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...

Page 46: ...45 CHAPTER 3 Installing the Switch Mounting Figure 13 Attaching the Brackets 2 Mount the device in the rack using four rack mounting screws not provided Figure 14 Installing the Switch in a Rack...

Page 47: ...Attach the four adhesive feet to the bottom of the first switch Figure 15 Attaching the Adhesive Feet 2 Set the device on a flat surface near an AC power source making sure there are at least two inc...

Page 48: ...ewdriver 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...

Page 49: ...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 only be insta...

Page 50: ...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 st...

Page 51: ...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 t...

Page 52: ...ion 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 Insert the power cable plug directly into th...

Page 53: ...ard 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...

Page 54: ...53 CHAPTER 3 Installing the Switch Connecting to the Console Port Character Size 8 Characters Parity None Stop bit One Data bits 8 Flow control none...

Page 55: ...54 CHAPTER 3 Installing the Switch Connecting to the Console Port...

Page 56: ...h 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 t...

Page 57: ...ng 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...

Page 58: ...ns 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 o...

Page 59: ...ES 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 por...

Page 60: ...e and keep the LC port s rubber plug When not connected to a fiber cable the rubber plug should be replaced to protect the optics 2 Check that the fiber terminators are clean You can clean the cable p...

Page 61: ...1000BASE LX 1000BASE LH fiber optic ports operate at 1 Gbps full duplex with auto negotiation of flow control The maximum length for fiber optic cable operating at Gigabit speed will depend on the fi...

Page 62: ...ered 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 pro...

Page 63: ...ver 4 As a connection is made check the Link LED on the module 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...

Page 64: ...egory 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 preparin...

Page 65: ...1000BASE SX Gigabit Ethernet Cable Lengths Fiber Size Fiber Bandwidth Maximum Cable Length Connector 62 5 125 micron multimode fiber 160 MHz km 2 220 m 7 722 ft LC 200 MHz km 2 275 m 7 902 ft LC 50 1...

Page 66: ...ds 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 con...

Page 67: ...nections 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 abbre...

Page 68: ...n 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 pr...

Page 69: ...ows Table 16 Power RPS LEDs Power LED RPU LED Status Green Green Internal power functioning normally RPU is present Green Amber Internal power functioning normally RPU plugged in but faulty Green Off...

Page 70: ...l 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 m...

Page 71: ...aining 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...

Page 72: ...ite 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 co...

Page 73: ...r 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 Na...

Page 74: ...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 st...

Page 75: ...r 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 direction...

Page 76: ...mmarized in the following table Table 19 Fiber Standards ITU T Standard Description Application G 651 Multimode Fiber 50 125 micron core Short reach connections in the 1300 nm or 850 nm band G 652 Non...

Page 77: ...micron core Extended long haul applications Optimized for high power transmission in the 1500 to 1600 nm region with low loss in the 1550 nm band G 655 Non Zero Dispersion Shifted Fiber Single mode 9...

Page 78: ...FACE Ports 1 24 48 RJ 45 connector auto MDI 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 T RJ 45 100 ohm UTP or STP cabl...

Page 79: ...r 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 LGS...

Page 80: ...ts with two expansion modules MAXIMUM CURRENT LGS103AE 1 A 110 VAC without expansion modules 1 1 A 110 VAC with two expansion modules 0 38 A 240 VAC without expansion modules 0 44 A 240 VAC with two e...

Page 81: ...ole 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 Spa...

Page 82: ...A EN55022 CISPR 22 Class A EN 61000 3 2 3 VCCI Class A C Tick AS NZS 3548 1995 Class A IMMUNITY EN 61000 4 2 3 4 5 6 8 11 SAFETY UL 60950 1 CSA 60950 1 IEC 60950 1 EN 60950 1 10GBASE EXTENDER MODULE...

Page 83: ...82 CHAPTER C Specifications 10GBASE Extender Module XFP NETWORK INTERFACE XFP slot STANDARDS IEEE 802 3ae 10 Gigabit Ethernet...

Page 84: ...able 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...

Page 85: ...ode 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...

Page 86: ...CD access method FULL DUPLEX Transmission method that allows two network devices to transmit and receive concurrently effectively doubling the bandwidth of that link GIGABIT ETHERNET A 1000 Mbps netwo...

Page 87: ...K 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 d...

Page 88: ...IA 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 protoco...

Page 89: ...88 GLOSSARY...

Page 90: ...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...

Page 91: ...E TX 72 console port 52 ports connecting to 55 58 power connecting to 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...

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