Enterasys Networks B2G124-24 manual Connecting a UTP Cable Segment to RJ45 Port

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Connecting to the Network

2.Connect the twisted pair segment to the switch by inserting the RJ45 connector on the twisted pair segment into the desired RJ45 port (for example, Port 8).

Figure 3-13 Connecting a UTP Cable Segment to RJ45 Port

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3 Port 8 Link/Activity LED

2Port 8

3.Verify that a link exists by checking that the Link/Activity LED is ON (solid green or blinking green). If the Link/Activity LED is OFF, perform the following steps until it is on:

a.Verify that the cabling being used is Category 5 or better with an impedance between 85 and 111 ohms with a maximum length of 100 meters (328 feet).

b.Verify that the device at the other end of the twisted pair segment is on and properly connected to the segment.

c.Verify that the RJ45 connectors on the twisted pair segment have the proper pinouts and check the cable for continuity. Typically, a crossover cable is used between hub devices. A straight‐through cable is used to connect between switches or hub devices and an end user (computer). Refer to Figure 3‐14 and Figure 3‐15 for four‐wire RJ45 connections. Refer to Figure 3‐16 and Figure 3‐17 for eight‐wire RJ45 connections.

d.Ensure that the twisted pair connection meets the dB loss and cable specifications outlined in the Cabling Guide. Refer to “Related Documents” on page xvi for information on obtaining this document.

4.If a link is not established, contact Enterasys Networks. Refer to “Getting Help” on page 1‐8 for details.

Repeat all steps above until all connections have been made.

SecureStack B2 Installation Guide 3-23

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Contents Enterasys SecureStack B2 Page Page Regulatory Compliance Information Electromagnetic Compatibility EMC Supplement to Product Instructions Vcci Notice Declaration of Conformity Enterasys NETWORKS, INC Firmware License Agreement Viii Page Page Contents Troubleshooting Figures Xiv Who Should Use This Guide About This GuideFor Refer to How to Use This GuideRelated Documents Following conventions are used in this guide Conventions Used in This GuideConventions Used in This Guide Xviii About This Guide For information about Refer to IntroductionB2G124-24 and B2G124-48 OverviewB2G124-24 Stackable Switch B2H124-48 B2H124-48 Stackable SwitchHigh-Speed Stack Connections Redundant Power Supply CapabilityConnectivity MGBIC-LC01 Description of Mini-GBICs SpecificationSwitch Configuration Using WebView Lanview Diagnostic LEDsSwitch Configuration Using CLI Commands ManagementSupport@enterasys.com Getting Help10BASE-T Network Network Requirements1000BASE-T Network 100BASE-TX Network1000BASE-FX Network Hardware Installation Unpacking the Switch Considerations Prior to InstallationContents of Switch Carton Quantity Required ToolsPreparation Installing Optional Mini-GBICsInstallation Removing the Mini-GBIC Installing the Rubber Feet Installing the Switch on a Flat SurfaceChassis Bottom, Rubber Feet Placement Area Guidelines for Switch Installation on Flat Surface Guidelines for Flat Surface InstallationAttaching Brackets and Installing in Rack Rack Mounting the SwitchGuidelines for Rackmount Installation Attaching the Rackmount Brackets Connecting High-Speed Stacking CablesConnecting High-Speed Stacking Cables About SecureStack B2 Switch Operation in a Stack Configuring Switches in a StackConfiguring Switches in a Stack Installing a New Stackable System of Up to Eight Switches Recommended Procedures for New and Existing StacksAC Power Connecting AC and RPS-SYS PowerSwitch Rear View Stack Initialization Overview C2RPS-SYS Redundant Power SystemWhat Is Needed Connecting to Console Port for Local ManagementParameter Setting Connecting to an IBM or Compatible Device10 Connecting an IBM PC or Compatible Connecting to a VT Series Terminal11 Connecting a VT Series Terminal Connecting to a ModemConnecting UTP Cables Connecting to the Network13 Connecting a UTP Cable Segment to RJ45 Port 14 Four-Wire Crossover Cable RJ45 Pinouts for 10/100BASE-TX TX1+ 1 RX1- 2 TX2+ 3 TX3+ 4 RX3- 5 RX2- 6 TX4+ 7 RX4 Connecting Fiber-Optic Cables to MT-RJ Ports B2G124-24 Connecting Fiber-Optic Cables to LC Ports Connecting to the Network 19 Cable Connection to LC Fiber-Optic Connectors Initial Logon to Switch Management Completing the InstallationCompleting the Installation Hardware Installation Troubleshooting Lanview LEDs of B2G124-24 and B2G124-48 B2G124-24 shown Using LanviewLanview LEDs of B2H124-48 Color State Recommended Action Lanview LEDsRPS Refer to the SecureStack B2 Configuration Guide for proper Troubleshooting ChecklistRefer to the SecureStack B2 Configuration Guide for Reset Switch Using the Reset SwitchTable A-1 Switch Specifications ItemSpecification B2G124-24 SpecificationsSwitch Specifications Physical Table A-1 Switch Specifications ItemSpecification B2G124-48B2H124-48 Environmental Table A-1 Switch SpecificationsGigabit Ethernet Specifications Mini-GBIC Input/Output SpecificationsMGBIC-LC01/MGBIC-MT01 Specifications 1000BASE-SX Table A-2 Mini-GBIC Input/Output Port SpecificationsMGBIC-LC03 Specifications 1000BASE-SX MGBIC-08 Specifications 1000BASE-ELX MGBIC-LC09 Specifications 1000BASE-LXTable A-9 MGBIC-08 Optical Specifications Table A-10 MGBIC-08 Operating Range 1550 nmConsole Port Pinout Assignments MGBIC-02 Specifications 1000BASE-TTable A-11 MGBIC-02 Specifications Table A-12 Compliance Standards Regulatory Compliance Regulatory ComplianceNumerics IndexPinout assignments console port A-7