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Cabletron Systems
2H253-25R
manual
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2H253-25R
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Troubleshooting
Specifications
Install
Connecting Power
Using the Reset Button
Lanview Diagnostic LEDs
Setting the Mode Switches
Simm Upgrade
Full Duplex Switched Ethernet
Using this Guide
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Contents
2H253-25R 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
Connectivity
Auto-Negotiation
SmartTrunk
Full Duplex Switched Ethernet
Runtime IP Address Discovery
Port/VLAN Redirect Functions
Remote Monitoring Rmon
Broadcast Suppression
Rate Limiting
Flow Control
12 802.1 Port Priority
Garp Switch Operation
Switching Options
Management
Standards Compatibility
Lanview Diagnostic LEDs
Optional HSIMs and VHSIMs
Year 2000 Compliant
Getting Help
Network Requirements
10BASE-T Network
100BASE-TX Network
Installation
Unpacking the Device
Installing Options
Installing the Device
Tabletop or Shelf Installation
Guidelines for Tabletop and Shelf Installations
Rackmount Installation
Guidelines for the Rackmount Installation
Attaching the Strain-Relief Bracket
Rack Mounting the 2H253-25R
Connecting Power
Redundant Primary AC outlets are On separate circuits
Connecting to the Network
Straight Cable Connection
Completing the Installation
Troubleshooting
Using Lanview
PWR
CPU
FDX
Troubleshooting Checklist
OFF
Series 2E253, 2H252, 2H253,
User parameters Position of Mode switch IP address
Using the Reset Button
Reset Button
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
Removing the Chassis Cover
Figure B-1 Removing the Chassis Cover
Setting the Mode Switches
Switch 6 Forced BootP
Simm Upgrade
Installing the Dram Simm
Locating SIMMs
Figure B-4 Installing the Dram
Installing Optional Hsim or Vhsim Interface Modules
Figure B-5 Hsim and Vhsim Connector Locations
Page
Index
Numerics
Index-2
Top
Page
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Contents
