Enterasys Networks 2H252-25R manual Simm Upgrade, Locating SIMMs

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SIMM Upgrade

B.4 SIMM UPGRADE

Memory upgrade is available for the 2H252-25R to expand its DRAM to 32 MB. This section explains how to locate and add/replace a Single In-line Memory Module (SIMM). For information on the available SIMM upgrades, call Enterasys Networks for technical support. For details on getting help, refer to Section 1.2.

B.4.1 Locating SIMMs

Figure B-3shows the two locations of the DRAM SIMM connector.

Figure B-3 SIMM Slot Locations

TOP VIEW WITHOUT COVER

Primary

Power

Supply

Redundant

Power

Supply

DRAM

FRONT PANEL

2504-84

Optional Installations and Mode Switch Bank Settings B-7

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Contents 2H252-25R SmartSwitch Installation User’s Guide Page Page Class a ITE Notice FCC NoticeIndustry Canada Notice Vcci NoticeEnterasys NETWORKS, INC Program License Agreement Page Declaration of Conformity Page Contents Troubleshooting Figures Tables Structure of this Guide Using this GuideAbout This Guide Related Documents Guide uses the following conventions Document ConventionsPage Overview IntroductionRuntime IP Address Discovery ConnectivitySmartTrunk Full Duplex Switched EthernetRate Limiting Remote Monitoring RmonBroadcast Suppression Port/VLAN Redirect FunctionsFlow Control Garp Switch OperationOptional HSIMs and VHSIMs Switching Options11 802.1 Port Priority ManagementYear 2000 Compliant Lanview Diagnostic LEDsStandards Compatibility Your email address Getting Help10BASE-T Network Network Requirements100BASE-TX Network Unpacking the Device InstallationInstalling Options Installation Installing the DeviceTabletop or Shelf Installation Guidelines for Tabletop and Shelf InstallationsGuidelines 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 Physical Properties SpecificationsDevice Specifications INPUT/OUTPUT Ports Electrical SpecificationsEnvironmental Requirements 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