Cabletron Systems 2H253-25R manual Completing the Installation

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Completing the Installation

c.Verify that the 100BASE-TX device at the other end of the twisted pair segment is powered up.

d.Check the cable for continuity.

e.If a link is not established, contact Cabletron Systems for technical support. Refer to Section 1.2 for details.

5.Repeat steps 1 through 4 above, until all connections have been made.

3.5COMPLETING THE INSTALLATION

After installing the 2H253-25R and any optional HSIM or VHSIM, and making the connections to the network, proceed as follows:

1.Secure the cables by running the cables along the strain-relief bracket and tying them to the strain-relief bracket using cable ties.

2.The 2H253-25R is now ready to be configured through Local Management. Refer to the SmartSwitch Series 2E253, 2H252, 2H253, and 2H258 Local Management User’s Guide for information on how to access and use Local Management.

3-10Installation

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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 About This Guide Using this GuideStructure of this Guide Related Documents XviDocument Conventions Document ConventionsPage Introduction OverviewConnectivity Auto-NegotiationRuntime IP Address Discovery Full Duplex Switched EthernetSmartTrunk Broadcast Suppression Remote Monitoring RmonPort/VLAN Redirect Functions Rate Limiting Flow ControlGarp Switch Operation Switching Options12 802.1 Port Priority ManagementLanview Diagnostic LEDs Optional HSIMs and VHSIMsStandards Compatibility Year 2000 CompliantGetting Help Network Requirements 10BASE-T Network100BASE-TX Network Installation Unpacking the DeviceInstalling Options Installing the DeviceTabletop or Shelf Installation Guidelines for Tabletop and Shelf InstallationsRackmount Installation Guidelines for the Rackmount InstallationAttaching the Strain-Relief Bracket Rack Mounting the 2H253-25R Connecting Power Redundant Primary AC outlets are On separate circuitsConnecting to the Network Straight Cable Connection Completing the Installation Troubleshooting Using LanviewPWR CPU FDX Troubleshooting Checklist OFFSeries 2E253, 2H252, 2H253, User parameters Position of Mode switch IP address Using the Reset Button Reset ButtonSpecifications Device SpecificationsPhysical Properties Environmental Requirements Electrical SpecificationsINPUT/OUTPUT Ports COM Port Pinout Assignments Regulatory CompliancePage Optional Installations Mode Switch Bank Settings Required ToolsRemoving the Chassis Cover Removing the Chassis Cover Figure B-1 Removing the Chassis Cover Setting the Mode Switches Switch 6 Forced BootPSimm Upgrade Installing the Dram Simm Locating SIMMsFigure B-4 Installing the Dram Installing Optional Hsim or Vhsim Interface Modules Figure B-5 Hsim and Vhsim Connector LocationsPage Index NumericsIndex-2