Cabletron Systems 2200 manual Using the Reset Button

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Using the RESET Button

4.3USING THE RESET BUTTON

The RESET button shown in Figure 4-2resets and re-initializes the 2E253-49R.

Pressing the RESET button resets the device, and all current switching being performed

!by the device is halted. A network downtime of up to two minutes will result from this

CAUTION action.

36

ETHERNET WORKGROUP SWITCH

25

PWR

12

1

2E253-49R

RESET

CPU

COM

RESET Button

2600-10

Figure 4-2 RESET Button

To reset the 2E253-49R processor, press and release the RESET button. The 2E253-49R goes through a reset process for approximately 60 seconds. Additional downtime may result as the device reenters the network.

NOTE

It is not recommended to press the RESET button while the device is already in reset mode. If so, the device will enter an extended diagnostic procedure, which is unnecessary tor normal operation. This extended diagnostic procedure takes much longer than a minute.

Troubleshooting 4-7

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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 Structure of this Guide Using this GuideAbout This Guide Xvi Related DocumentsDocument Conventions Document ConventionsPage Overview IntroductionConnectivity Full Duplex Switched EthernetSmartTrunk Standard/Full Duplex Auto-NegotiationRuntime IP Address Discovery Port/VLAN Redirect Functions Remote Monitoring RmonBroadcast Suppression Flow Control Trafﬁc Rate LimitingManagement Garp Switch OperationSwitching Options 12 802.1 Port PriorityYear 2000 Compliance Lanview Diagnostic LEDsOptional HSIMs and VHSIMs Standards CompatibilityFTP Getting Help10BASE-T Network Network RequirementsPage Installation Unpacking the Device Installing OptionsTabletop or Shelf Installation Installing the DeviceGuidelines for the Rackmount Installation Rackmount InstallationAttaching the Strain-Relief Bracket Rack Mounting the 2E253-49R Installing the Device in a Rack Connecting PowerRedundant Primary AC outlets are On separate circuits Connecting to the NetworkConnection Using the RJ21 Angle Adapter Completing the Installation Using Lanview TroubleshootingPWR No link Is enabled and there is a OFF Troubleshooting Checklist2E253, 2H252, 2H253, and 2H258 Local Reset Button Using the Reset ButtonPage Physical Properties Device SpecificationsSpeciﬁcations INPUT/OUTPUT Ports Electrical SpecificationsEnvironmental Requirements Regulatory Compliance COM Port Pinout AssignmentsPage Required Tools Optional Installations Mode Switch Bank SettingsRemoving the Chassis Cover To remove the chassis cover, proceed as follows Screws Chassis Cover Front Panel Switch 6 Forced BootP Setting the Mode SwitchesSimm Upgrade Locating SIMMs Figure B-3shows the location of the Dram Simm connectorSimm Installing the Dram SimmFigure B-5 Hsim and Vhsim Connector Locations Installing Optional Hsim or Vhsim Interface ModulesPage Numerics IndexIndex-2