Enterasys Networks 2H252-25R manual Introduction, Overview

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Introduction

This chapter introduces the 2H252-25R SmartSwitch 2200 device and provides information about how to obtain additional support from Enterasys Networks.

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 2H258-17R to determine which features are supported.

1.1OVERVIEW

The 2H252-25R (Figure 1-1) is a high-performance Fast Ethernet switch that provides 24 auto-negotiating 10/100 BASE-TX ports via RJ45 Interfaces and one optional High Speed Interface Module (HSIM) or Very High Speed Interface Module (VHSIM).

Figure 1-1 The 2H252-25R SmartSwitch 2200

LED MODE Switch						Port Status						HSIM/VHSIM Slot
LED MODE Switch						LEDs
						LEDs
FAST ETHERNET WORKGROUP SWITCH 2		4	6	8	10	12	14	16	18	20	22	24
LED	1	3	5	7	9	11	13	15	17	19	21	23
MODE	2X	4X	6X	8X	10X	12X	14X	16X	18X	20X	22X	24X
RX-TX	2X	4X	6X	8X	10X	12X	14X	16X	18X	20X	22X	24X

DPX-SPD

2H252-25R RESET COM

PWR

CPU

Reset COM	System	Network Ports 1-24
Switch Port			4005_00_01
	LEDs

Introduction 1-1

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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 Structure of this Guide Using this GuideAbout 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 VHSIMsYear 2000 Compliant Lanview Diagnostic LEDsStandards Compatibility 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 Physical Properties SpecificationsDevice Specifications INPUT/OUTPUT Ports Electrical SpecificationsEnvironmental Requirements 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