Enterasys Networks A2H123-24 manual Connecting to the Network, Connecting UTP Cables

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Connecting to the Network

When these parameters are set, the Startup screen will display. If the switches are in a stacked configuration, proceed to “Connecting to the Network” on page 3‐19.

Figure 3-11 Connecting to a Modem

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DB9 female cable connector

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DB25 male connector

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Remote modem

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connecting to the Network

The following procedures cover the cable connections from the network or other devices to the switch RJ45 ports or any installed optional Mini‐GBIC.

Connecting UTP Cables on page 3‐19

Connecting Fiber‐Optic Cables to LC Ports on page 3‐23

Connecting UTP Cables

The fixed RJ45 front panel ports (ports 1 through 24) are 10/100 Mbps ports and have auto polarity detect. The two front panel 1000 Mbps stacking ports, ports 25 and 26, which can be configured as standard Gigabit Ethernet ports, also have auto polarity detect. Refer to the SecureStack A2 Configuration Guide for information about configuring standalone A2 stack ports.

When connecting a workstation to these ports, use a straight‐through cable. When connecting networking devices to these ports, such as a bridge, repeater, or router, it is not necessary to use a crossover cable.

Note: All fixed RJ45 front panel ports support Category 5 Unshielded Twisted Pair (UTP) cabling with an impedance between 85 and 111 ohms. Category 3 cable may be used if the connection is going to be used only for 10 Mbps.

SecureStack A2 Installation Guide 3-19

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Contents SecureStack A2 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 Figures Tables Xiv Who Should Use This Guide About This GuideRelated Documents How to Use This GuideFollowing conventions are used in this guide Conventions Used in This GuideSupport@enterasys.com Getting HelpOverview A2H123-24 SwitchA2H123-24 Stackable Switch Switch Configuration Using WebView Redundant Power Supply CapabilityConnectivity ManagementLanview Diagnostic LEDs Switch Configuration Using CLI CommandsStandards Compatibility 10BASE-T Network Network Requirements100BASE-TX Network 100BASE-FX Network1000BASE-T Network Hardware Installation Considerations Prior to Installation Unpacking the SwitchRequired Tools 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 InstallationRack Mounting the Switch Guidelines for Rackmount InstallationAttaching Brackets and Installing in Rack Attaching the Rackmount Brackets Connecting Stacking CablesStacking Cable Connections About SecureStack A2 Switch Operation in a Stack Configuring Switches in a StackInstalling a New Stackable System of Up to Eight Switches Recommended Procedures for New and Existing StacksAdding a New Switch to an Existing Stack AC Power Connecting AC and RPS-SYS PowerSwitch Rear View RPS coverplate Screw holes for coverplate C2RPS-SYS Redundant Power SystemConnecting to Console Port for Local Management What Is NeededStack Initialization Overview Parameter Setting Connecting to an IBM or Compatible DeviceConnecting an IBM PC or Compatible Connecting to a VT Series Terminal10 Connecting a VT Series Terminal Connecting to a ModemConnecting UTP Cables Connecting to the Network12 Connecting a UTP Cable Segment to RJ45 Port 13 Four-Wire Crossover Cable RJ45 Pinouts for 10/100BASE-TX 15 Eight-Wire Crossover Cable RJ45 Pinouts for 1000BASE-TX Connecting Fiber-Optic Cables to LC Ports 17 Cable Connection to LC Fiber-Optic Connectors Initial Logon to Switch Management Completing the InstallationCompleting the Installation Hardware Installation Troubleshooting Lanview LEDs of A2H123-24 Using LanviewLED 26/Stack Off RPS Configuration Guide for proper setup Troubleshooting ChecklistConfiguration Guide for the IP address Reset Switch Using the Reset SwitchSwitch Specifications SpecificationsPhysical Console Port Pinout Assignments Fiber-Optic SpecificationsRegulatory Compliance Torque Values