Enterasys Networks 2H252-25R manual Installing the Dram Simm

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SIMM Upgrade

B.4.2 Installing the DRAM SIMM

CAUTION: Observe all antistatic precautions when handling sensitive electronic equipment.

To install a DRAM SIMM, refer to Figure B-4and proceed as follows:

1.With the SIMM alignment notch oriented as shown in Figure B-4, insert the SIMM down between the connector teeth.

2.Pivot the SIMM downward so the connector clips align with the two side notches of the SIMM and the connector clips lock the SIMM into place.

Figure B-4 Installing the DRAM

Connector

Clip

Side Notch

2

Connector

Teeth

1

Clip

Alignment Notch

SIMM

Side Notch

2504-91

B-8Optional Installations and Mode Switch Bank Settings

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Contents 2H252-25R SmartSwitch Installation User’s Guide Page Page FCC Notice Industry Canada NoticeVcci Notice Class a ITE NoticeEnterasys NETWORKS, INC Program License Agreement Page Declaration of Conformity Page Contents Troubleshooting Figures Tables Using this Guide About This GuideStructure of this Guide Related Documents Document Conventions Guide uses the following conventionsPage Introduction OverviewConnectivity Runtime IP Address DiscoveryFull Duplex Switched Ethernet SmartTrunkRemote Monitoring Rmon Broadcast SuppressionPort/VLAN Redirect Functions Rate LimitingGarp Switch Operation Flow ControlSwitching Options 11 802.1 Port PriorityManagement Optional HSIMs and VHSIMsLanview Diagnostic LEDs Standards CompatibilityYear 2000 Compliant Getting Help Your email addressNetwork Requirements 10BASE-T Network100BASE-TX Network Installation Unpacking the DeviceInstalling Options Installing the Device Tabletop or Shelf InstallationGuidelines for Tabletop and Shelf Installations InstallationRackmount Installation Guidelines for the Rackmount InstallationAttaching the Strain-Relief Bracket Rack Mounting the 2H252-25R Strain-Relief Bracket ScrewsRackmount Bracket Screws Connecting Power Redundant Primary AC outlets are On separate circuitsConnecting to the Network Connecting Twisted Pair Cables to Fixed PortsConnecting the Twisted Pair Segment Straight-Through Cable Completing the Installation Troubleshooting Using LanviewLanview LEDs PWR CPU FDX Troubleshooting Checklist Local Management User’s Guide2E253, 2H252, 2H253 SmartSwitch Series 2E253 Using the Reset Button Reset ButtonPage Specifications Device SpecificationsPhysical Properties Electrical Specifications Environmental RequirementsINPUT/OUTPUT Ports COM Port Pinout Assignments Regulatory CompliancePage Optional Installations Mode Switch Bank Settings Required ToolsRemoving the Chassis Cover Optional Installations and Mode Switch Bank Settings B-3 Screws Chassis Cover Front Panel Setting the Mode Switches Figure B-2 Mode Switch Location6Optional Installations and Mode Switch Bank Settings Simm Upgrade Locating SIMMsInstalling the Dram Simm Installing Optional Hsim or Vhsim Interface Modules Figure B-5 Hsim and Vhsim Connector LocationsPage Index NumericsIndex-2