Cabletron Systems 2H253-25R specification

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Cabletron Systems 2H253-25R manual

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 About This Guide Using this GuideStructure of this Guide Related Documents Xvi Document Conventions Document ConventionsPage Introduction Overview Connectivity Auto-Negotiation Runtime IP Address Discovery Full Duplex Switched EthernetSmartTrunk Broadcast Suppression Remote Monitoring RmonPort/VLAN Redirect Functions Rate Limiting Flow Control Garp Switch Operation Switching Options12 802.1 Port Priority Management Lanview Diagnostic LEDs Optional HSIMs and VHSIMsStandards Compatibility 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 Speciﬁcations Device SpecificationsPhysical Properties Environmental Requirements Electrical SpecificationsINPUT/OUTPUT Ports COM Port Pinout Assignments Regulatory CompliancePage 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 LocationsPage Index Numerics Index-2