Cabletron Systems 2H253-25R manual Electrical Specifications, Environmental Requirements

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Electrical Specifications

A.3 ELECTRICAL SPECIFICATIONS

 

Line Input Range, Volts (V):

100–125 Vac

200–240 Vac

Input Current, Amperes (A):

2.3 A

1.2 A

Frequency, Hertz (Hz):

50/60 Hz

50/60 Hz

Input Power, Volt Amperes (VA:)

250 VA

250 VA

A.4 ENVIRONMENTAL REQUIREMENTS

Operating Temperature:

5°C to 40°C (41°F to 104°F)

Storage Temperature:

-30°C to 73°C (-22°F to 164°F)

Operating Relative Humidity:

5% to 90% (non-condensing)

A.5 INPUT/OUTPUT PORTS

Ports 1 through 24:

Fast Ethernet 10/100 Mbps (10BASE-T and

 

100BASE-TX compliant) with RJ21 type connectors

 

(twelve ports per connector).

Interface Slot:

Slot accepts optional High Speed Interface Module

 

(HSIM) or Very High Speed Interface Module

 

(VHSIM) to provide a variety of cabling

 

connections.

A-2Specifications

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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 GuideAbout This Guide Related Documents XviDocument Conventions Document ConventionsPage Introduction OverviewConnectivity Auto-NegotiationSmartTrunk Full Duplex Switched EthernetRuntime IP Address Discovery Port/VLAN Redirect Functions Remote Monitoring RmonBroadcast Suppression Rate Limiting Flow Control12 802.1 Port Priority Garp Switch OperationSwitching Options ManagementStandards Compatibility Lanview Diagnostic LEDsOptional HSIMs and VHSIMs 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 ButtonPhysical Properties Device SpecificationsSpecifications INPUT/OUTPUT Ports Electrical SpecificationsEnvironmental Requirements 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
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