Enterasys Networks 2H252-25R manual Device Specifications, Physical Properties

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A

Specifications

This appendix provides operating specifications for the Enterasys Networks 2H252-25R. Enterasys Networks reserves the right to change these specifications at any time without notice.

A.1 DEVICE SPECIFICATIONS
Processors:	Intel i960 RISC processor
	Power PC
Dynamic Random Access
Memory (DRAM):	20 MB expandable to 32 MB
FLASH Memory:	8 MB
Shared Memory:	4 MB

A.2 PHYSICAL PROPERTIES

Dimensions:	7.11H x 43.18W x 46.99D (cm)
	2.8H x 17W x 18.5D (in)
Approximate Weight (Unit):	8.18 kg (18 lb)
MTBF (Predicted):	200,000 hours

Specifications A-1

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Contents 2H252-25R SmartSwitch Installation User’s Guide Page Page Industry Canada Notice FCC NoticeVcci Notice Class a ITE NoticeEnterasys NETWORKS, INC Program License Agreement Page Declaration of Conformity Page Contents Troubleshooting Figures Tables About This Guide Using this GuideStructure of this Guide Related Documents Guide uses the following conventions Document ConventionsPage Overview IntroductionRuntime IP Address Discovery ConnectivitySmartTrunk Full Duplex Switched EthernetBroadcast Suppression Remote Monitoring RmonPort/VLAN Redirect Functions Rate LimitingFlow Control Garp Switch Operation11 802.1 Port Priority Switching OptionsManagement Optional HSIMs and VHSIMsStandards Compatibility Lanview Diagnostic LEDsYear 2000 Compliant Your email address Getting Help10BASE-T Network Network Requirements100BASE-TX Network Unpacking the Device InstallationInstalling Options Tabletop or Shelf Installation Installing the DeviceGuidelines for Tabletop and Shelf Installations InstallationGuidelines for the Rackmount Installation Rackmount InstallationAttaching the Strain-Relief Bracket Strain-Relief Bracket Screws Rack Mounting the 2H252-25RRackmount Bracket Screws Redundant Primary AC outlets are On separate circuits Connecting PowerConnecting Twisted Pair Cables to Fixed Ports Connecting to the NetworkConnecting the Twisted Pair Segment Straight-Through Cable Completing the Installation Using Lanview TroubleshootingLanview LEDs PWR CPU FDX Local Management User’s Guide Troubleshooting Checklist2E253, 2H252, 2H253 SmartSwitch Series 2E253 Reset Button Using the Reset ButtonPage Device Specifications SpecificationsPhysical Properties Environmental Requirements Electrical SpecificationsINPUT/OUTPUT Ports Regulatory Compliance COM Port Pinout AssignmentsPage Required Tools Optional Installations Mode Switch Bank SettingsRemoving the Chassis Cover Optional Installations and Mode Switch Bank Settings B-3 Screws Chassis Cover Front Panel Figure B-2 Mode Switch Location Setting the Mode Switches6Optional Installations and Mode Switch Bank Settings Locating SIMMs Simm UpgradeInstalling the Dram Simm Figure B-5 Hsim and Vhsim Connector Locations Installing Optional Hsim or Vhsim Interface ModulesPage Numerics IndexIndex-2