Cabletron Systems 2200 manual Removing the Chassis Cover

Page 54

Removing the Chassis Cover

B.2 REMOVING THE CHASSIS COVER

This section describes how to remove the 2E253-49R chassis cover.

DO NOT REMOVE THE COVER FROM THE 2E253-49R WHILE POWER IS APPLIED TO THE UNIT. HAZARDOUS VOLTAGES ARE PRESENT AND COULD CAUSE PERSONAL INJURY AND/OR DAMAGE THE UNIT.

DO NOT POWER UP THE 2E253-49R AGAIN UNTIL THE COVER AND SCREWS ARE IN PLACE.

DECKEL VON DAS 2E253-49R NICHT ABZIEHEN UNTER SPANNUNG. GEFAHR FÜR DAS PERSONNAL UND/ODER DAS GERÄT WEGEN GEFÄHRLICHE SPANNUNGEN ENSTEHT.

2E253-49R NICHEINSCHALTEN SO LANG DER DECKEL UND SCHRAUBEN NICHT EINGEBAUT SIND.

NO DEBE DE REMOVER LA TAPA DURENTE QUE ESTE CONELTADO A LA CORRIENTE, UNA DESCARGA ELECTRICA LE PUEDE CAUSAR Y PROBOCARLE DAÑ OS, AL IGUAL QUE AL APARATO.

NO ENCHUFE A LA CORRIENTE HASTA QUE LA TAPA Y LOS TORNILLOS ESTEN EN SU LUGAR.

CAUTION: THIS UNIT MAY HAVE MORE THAN ONE POWER SUPPLY CORD. DISCONNECT TWO POWER SUPPLY CORDS BEFORE SERVICING TO AVOID ELECTRIC SHOCK.

VORSICHT: DIESES GERÄT HAT MEHR ALS EINEN NETZANSCHLUß. TRENNEN SIE VOR WARTUNGSARBEITEN DIE 2 NET ZANSCHLÜSSE VOM NETZ, UM ELEKTRISCHE SCHLÄGE ZU VERMEIDEN.

ATTENTION: CET APPAREIL COMPORTE PLUS D’UN CORDON D’ALIMENTATION. RAFIN DE PREVENIR LES CHOCS ELECTRIQUES, DEGRANCHER LES DEUX CORDONS D’ALIMENTATION AVANT DE FAIRE LE DEPANNAGE.

B-2Optional Installations and Mode Switch Bank Settings

Image 54

Contents 2E253-49R 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 XviDocument Conventions Document ConventionsPage Introduction OverviewFull Duplex Switched Ethernet ConnectivityStandard/Full Duplex Auto-Negotiation Runtime IP Address DiscoverySmartTrunk Remote Monitoring Rmon Broadcast SuppressionPort/VLAN Redirect Functions Trafﬁc Rate Limiting Flow Control12 802.1 Port Priority Garp Switch OperationSwitching Options ManagementStandards Compatibility Lanview Diagnostic LEDsOptional HSIMs and VHSIMs Year 2000 ComplianceGetting Help FTPNetwork Requirements 10BASE-T NetworkPage Installation Installing Options Unpacking the DeviceInstalling the Device Tabletop or Shelf InstallationRackmount Installation Guidelines for the Rackmount InstallationAttaching the Strain-Relief Bracket Rack Mounting the 2E253-49R Connecting Power Installing the Device in a RackConnecting to the Network Redundant Primary AC outlets are On separate circuitsConnection Using the RJ21 Angle Adapter Completing the Installation Troubleshooting Using LanviewPWR No link Is enabled and there is a Troubleshooting Checklist OFF2E253, 2H252, 2H253, and 2H258 Local Using the Reset Button Reset ButtonPage Device Specifications 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 To remove the chassis cover, proceed as follows Screws Chassis Cover Front Panel Setting the Mode Switches Switch 6 Forced BootPSimm Upgrade Figure B-3shows the location of the Dram Simm connector Locating SIMMsInstalling the Dram Simm SimmInstalling Optional Hsim or Vhsim Interface Modules Figure B-5 Hsim and Vhsim Connector LocationsPage Index NumericsIndex-2