Figure B-4 Installing the Dram | Cabletron Systems 2H253-25R

SIMM Upgrade

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.

Connector

Connector

Teeth

Clip

Side Notch

1

Clip

Alignment Notch

2

SIMM

Side Notch

2504-91

Figure B-4 Installing the DRAM

B-8Optional Installations and Mode Switch Bank Settings

Image 60

Cabletron Systems 2H253-25R manual Figure B-4 Installing the Dram

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 Using this Guide About This GuideStructure of this Guide Related Documents Xvi Document Conventions Document ConventionsPage Introduction Overview Connectivity Auto-Negotiation Full Duplex Switched Ethernet Runtime IP Address DiscoverySmartTrunk Remote Monitoring Rmon Broadcast SuppressionPort/VLAN Redirect Functions Rate Limiting Flow Control Garp Switch Operation Switching Options12 802.1 Port Priority Management Lanview Diagnostic LEDs Optional HSIMs and VHSIMsStandards Compatibility Year 2000 Compliant Getting Help Network Requirements 10BASE-T Network 100BASE-TX Network Installation Unpacking the Device Installing Options Installing the Device Tabletop or Shelf Installation Guidelines for Tabletop and Shelf Installations Rackmount Installation Guidelines for the Rackmount Installation Attaching the Strain-Relief Bracket Rack Mounting the 2H253-25R Connecting Power Redundant Primary AC outlets are On separate circuits Connecting to the Network Straight Cable Connection Completing the Installation Troubleshooting Using Lanview PWR CPU FDX Troubleshooting Checklist OFF Series 2E253, 2H252, 2H253, User parameters Position of Mode switch IP address Using the Reset Button Reset Button Device Specifications SpeciﬁcationsPhysical Properties Electrical Specifications Environmental RequirementsINPUT/OUTPUT Ports COM Port Pinout Assignments Regulatory CompliancePage Optional Installations Mode Switch Bank Settings Required Tools Removing the Chassis Cover Removing the Chassis Cover Figure B-1 Removing the Chassis Cover Setting the Mode Switches Switch 6 Forced BootP Simm Upgrade Installing the Dram Simm Locating SIMMs Figure B-4 Installing the Dram Installing Optional Hsim or Vhsim Interface Modules Figure B-5 Hsim and Vhsim Connector LocationsPage Index Numerics Index-2