Enterasys Networks 2H252-25R manual Getting Help, Your email address

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Getting Help

1.2GETTING HELP

For additional support related to the 2H252-25R or this document, contact Enterasys Networks using one of the following methods:

World Wide Web

http://www.enterasys.com/

 

 

Phone

(603) 332-9400

 

 

Internet mail

support@enterasys.com

 

 

FTP

ftp://ftp.enterasys.com

Login

anonymous

Password

your email address

To send comments or suggestions concerning this document, contact the Technical Writing Department via the following email address: TechWriting@enterasys.com

Make sure to include the document Part Number in the email message.

Before contacting Enterasys Networks for technical support, have the following information ready:

Your Enterasys Networks service contract number

A description of the failure

A description of any action(s) already taken to resolve the problem (e.g., changing mode switches, rebooting the unit, etc.)

The serial and revision numbers of all involved Enterasys Networks products in the network

A description of your network environment (layout, cable type, etc.)

Network load and frame size at the time of trouble (if known)

The device history (i.e., have you returned the device before, is this a recurring problem, etc.)

Any previous Return Material Authorization (RMA) numbers

1-8Introduction

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Contents 2H252-25R SmartSwitch Installation User’s Guide Page Page FCC Notice Industry Canada NoticeVcci Notice Class a ITE NoticeEnterasys NETWORKS, INC Program License Agreement Page Declaration of Conformity Page Contents Troubleshooting Figures Tables Using this Guide About This GuideStructure of this Guide Related Documents Document Conventions Guide uses the following conventionsPage Introduction OverviewConnectivity Runtime IP Address DiscoveryFull Duplex Switched Ethernet SmartTrunkRemote Monitoring Rmon Broadcast SuppressionPort/VLAN Redirect Functions Rate Limiting Garp Switch Operation Flow ControlSwitching Options 11 802.1 Port PriorityManagement Optional HSIMs and VHSIMsLanview Diagnostic LEDs Standards CompatibilityYear 2000 Compliant Getting Help Your email addressNetwork Requirements 10BASE-T Network100BASE-TX Network Installation Unpacking the DeviceInstalling Options Installing the Device Tabletop or Shelf InstallationGuidelines for Tabletop and Shelf Installations InstallationRackmount Installation Guidelines for the Rackmount InstallationAttaching the Strain-Relief Bracket Rack Mounting the 2H252-25R Strain-Relief Bracket ScrewsRackmount Bracket Screws Connecting Power Redundant Primary AC outlets are On separate circuitsConnecting to the Network Connecting Twisted Pair Cables to Fixed PortsConnecting the Twisted Pair Segment Straight-Through Cable Completing the Installation Troubleshooting Using LanviewLanview LEDs PWR CPU FDX Troubleshooting Checklist Local Management User’s Guide2E253, 2H252, 2H253 SmartSwitch Series 2E253 Using the Reset Button Reset ButtonPage Specifications Device SpecificationsPhysical Properties Electrical Specifications Environmental RequirementsINPUT/OUTPUT Ports COM Port Pinout Assignments Regulatory CompliancePage Optional Installations Mode Switch Bank Settings Required ToolsRemoving the Chassis Cover Optional Installations and Mode Switch Bank Settings B-3 Screws Chassis Cover Front Panel Setting the Mode Switches Figure B-2 Mode Switch Location6Optional Installations and Mode Switch Bank Settings Simm Upgrade Locating SIMMsInstalling the Dram Simm Installing Optional Hsim or Vhsim Interface Modules Figure B-5 Hsim and Vhsim Connector LocationsPage Index NumericsIndex-2