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Troubleshooting
Specifications
Install
Connecting Power
Using the Reset Button
Lanview Diagnostic LEDs
Setting the Mode Switches
Simm Upgrade
Is enabled and there is a
Full Duplex Switched Ethernet
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Contents
2E253-49R SmartSwitch Installation User’s Guide
Page
Page
FCC Notice
Cabletron SYSTEMS, INC Program License Agreement
Page
Page
Page
Cabletron Systems Limited Program License Agreement
Viii
Declaration of Conformity
Page
Contents
Troubleshooting
Figures
Tables
Structure of this Guide
Using this Guide
About This Guide
Related Documents
Xvi
Document Conventions
Document Conventions
Page
Introduction
Overview
Full Duplex Switched Ethernet
Connectivity
SmartTrunk
Standard/Full Duplex Auto-Negotiation
Runtime IP Address Discovery
Port/VLAN Redirect Functions
Remote Monitoring Rmon
Broadcast Suppression
Traffic Rate Limiting
Flow Control
Garp Switch Operation
Switching Options
12 802.1 Port Priority
Management
Lanview Diagnostic LEDs
Optional HSIMs and VHSIMs
Standards Compatibility
Year 2000 Compliance
Getting Help
FTP
Network Requirements
10BASE-T Network
Page
Installation
Installing Options
Unpacking the Device
Installing the Device
Tabletop or Shelf Installation
Rackmount Installation
Guidelines for the Rackmount Installation
Attaching the Strain-Relief Bracket
Rack Mounting the 2E253-49R
Connecting Power
Installing the Device in a Rack
Connecting to the Network
Redundant Primary AC outlets are On separate circuits
Connection Using the RJ21 Angle Adapter
Completing the Installation
Troubleshooting
Using Lanview
PWR
No link
Is enabled and there is a
Troubleshooting Checklist
OFF
2E253, 2H252, 2H253, and 2H258 Local
Using the Reset Button
Reset Button
Page
Physical Properties
Device Specifications
Specifications
INPUT/OUTPUT Ports
Electrical Specifications
Environmental Requirements
COM Port Pinout Assignments
Regulatory Compliance
Page
Optional Installations Mode Switch Bank Settings
Required Tools
Removing the Chassis Cover
To remove the chassis cover, proceed as follows
Screws Chassis Cover Front Panel
Setting the Mode Switches
Switch 6 Forced BootP
Simm Upgrade
Figure B-3shows the location of the Dram Simm connector
Locating SIMMs
Installing the Dram Simm
Simm
Installing Optional Hsim or Vhsim Interface Modules
Figure B-5 Hsim and Vhsim Connector Locations
Page
Index
Numerics
Index-2
Top
Page
Image
Contents
