Enterasys Networks 2H252-25R manual About This Guide, Using this Guide, Structure of this Guide

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About This Guide

Welcome to the 2H252-25R SmartSwitch 2200 Installation User’s Guide. This guide describes the 2H252-25R SmartSwitch 2200 device and provides information concerning network requirements, installation, troubleshooting, and specifications.

Important Notice

Depending on the firmware version used in the 2H252-25R, some features described in this document may not be supported. Refer to the Release Notes shipped with the 2H252-25R to determine which features are supported.

USING THIS GUIDE

Read through this guide to completely understand the 2H252-25R capabilities and for the instructions on how to install and troubleshoot the device. For information about how to use Local Management to configure and manage the 2H252-25R, refer to the Enterasys Networks SmartSwitch Series 2E253, 2H252, 2H253, and 2H258 Local Management User’s Guide.

A general working knowledge of Ethernet and IEEE 802.3 type data communications networks and their physical layer components is helpful when using this device. In this document, the device is referred to as either the “2H252-25R” or the “device”.

STRUCTURE OF THIS GUIDE

This guide is organized as follows:

Chapter 1, Introduction, provides an overview of the 2H252-25R and its features. Directions for obtaining additional information or help from Enterasys Networks are also included in this chapter.

Chapter 2, Network Requirements, explains the network requirements to consider before installing the 2H252-25R.

Chapter 3, Installation, provides instructions on how to install and connect segments to the 2H252-25R.

Chapter 4, Troubleshooting, describes the function of the LANVIEW LEDs, which can help to quickly diagnose network/operational problems.

About This Guide

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Contents 2H252-25R SmartSwitch Installation User’s Guide Page Page Industry Canada Notice FCC NoticeVcci Notice Class a ITE NoticeEnterasys NETWORKS, INC Program License Agreement Page Declaration of Conformity Page Contents Troubleshooting Figures Tables About This Guide Using this GuideStructure of this Guide Related Documents Guide uses the following conventions Document ConventionsPage Overview IntroductionRuntime IP Address Discovery ConnectivitySmartTrunk Full Duplex Switched EthernetBroadcast Suppression Remote Monitoring RmonPort/VLAN Redirect Functions Rate LimitingFlow Control Garp Switch Operation11 802.1 Port Priority Switching OptionsManagement Optional HSIMs and VHSIMsStandards Compatibility Lanview Diagnostic LEDsYear 2000 Compliant Your email address Getting Help10BASE-T Network Network Requirements100BASE-TX Network Unpacking the Device InstallationInstalling Options Tabletop or Shelf Installation Installing the DeviceGuidelines for Tabletop and Shelf Installations InstallationGuidelines for the Rackmount Installation Rackmount InstallationAttaching the Strain-Relief Bracket Strain-Relief Bracket Screws Rack Mounting the 2H252-25RRackmount Bracket Screws Redundant Primary AC outlets are On separate circuits Connecting PowerConnecting Twisted Pair Cables to Fixed Ports Connecting to the NetworkConnecting the Twisted Pair Segment Straight-Through Cable Completing the Installation Using Lanview TroubleshootingLanview LEDs PWR CPU FDX Local Management User’s Guide Troubleshooting Checklist2E253, 2H252, 2H253 SmartSwitch Series 2E253 Reset Button Using the Reset ButtonPage Device Specifications SpecificationsPhysical Properties Environmental Requirements Electrical SpecificationsINPUT/OUTPUT Ports Regulatory Compliance COM Port Pinout AssignmentsPage Required Tools Optional Installations Mode Switch Bank SettingsRemoving the Chassis Cover Optional Installations and Mode Switch Bank Settings B-3 Screws Chassis Cover Front Panel Figure B-2 Mode Switch Location Setting the Mode Switches6Optional Installations and Mode Switch Bank Settings Locating SIMMs Simm UpgradeInstalling the Dram Simm Figure B-5 Hsim and Vhsim Connector Locations Installing Optional Hsim or Vhsim Interface ModulesPage Numerics IndexIndex-2