Cabletron Systems 2200 manual Is enabled and there is a

Page 44

Using LANVIEW

Table 4-1 LANVIEW LEDs (Continued)

LED

Color State

Recommended Action

 

 

 

TX

Off

Port enabled, and no

(Transmit)

 

activity.

 

 

 

 

Should flash green every

 

 

two seconds indicating

 

 

BPDUs being sent if STA

 

 

is enabled and there is a

 

 

valid link.

1.Ensure that the STA is enabled and that there is a valid link.

2.Contact Cabletron Systems for technical support.

 

Green

Flashing. Indicates

None.

 

 

activity. Rate indicates

 

 

 

data rate.

 

 

 

 

 

 

Amber

Blinking. Port in

1. Ensure that the port is not disabled.

 

 

standby.

2. Contact Cabletron Systems for technical

 

 

Port may be disabled due

support.

 

 

 

 

 

to Spanning Tree.

 

 

 

 

 

 

Red

Flashing. Indicates

None, unless there is a high amount of

 

 

collision rate.

activity. In this case, check for network

 

 

 

configuration problems or a defective

 

 

 

device.

 

 

 

 

 

 

Solid. Diagnostic failure.

Contact Cabletron Systems for technical

 

 

 

support.

 

 

 

 

4-4Troubleshooting

Image 44
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 Related Documents XviDocument Conventions Document ConventionsPage Introduction OverviewFull Duplex Switched Ethernet ConnectivitySmartTrunk Standard/Full Duplex Auto-NegotiationRuntime IP Address Discovery Port/VLAN Redirect Functions Remote Monitoring RmonBroadcast Suppression Traffic Rate Limiting Flow ControlGarp Switch Operation Switching Options12 802.1 Port Priority ManagementLanview Diagnostic LEDs Optional HSIMs and VHSIMsStandards Compatibility 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 Physical Properties Device SpecificationsSpecifications INPUT/OUTPUT Ports Electrical SpecificationsEnvironmental Requirements 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