Cabletron Systems BRIM-T6 manual Monitoring and Troubleshooting

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MONITORING AND TROUBLESHOOTING

Verify that STP and UTP connectors (DB9 and RJ45) are pinned properly. For fiber, verify that the receive-to-transmit connection of strands between devices is correct.

Check that the connection meets the dB loss limit and media specifications outlined in Appendix B.

Check that the BRIM-T6 port is enabled through Local Management.

Contact Cabletron Systems Technical Support if you still cannot establish a network link.

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Contents BRIM-T6 USER’S Guide Page All Rights Reserved Order Number 9031288 September FCC Notice DOC NoticeVcci Notice Program License Agreement Cabletron Software Program LicenseExclusion of Warranty & Disclaimer Liability United States Government Restricted RightsContents Appendix B Media Specifications and Requirements Using this Manual Chapter IntroductionIntroducing the BRIM-T6 Media FlexibilitySpanning Tree Algorithm STA Compliance Jumper Selectable Ring SpeedBridge/Routing Protocols BRIM-T6 ManagementRelated Documentation Brim SpecificationsSafety EnvironmentGetting Help Networking PublicationsIntroduction Chapter Installation Installing the BRIM-T6Unpacking the BRIM-T6 Installing the BRIM-T6 into a MIM Installing the BRIM-T6 Installing the BRIM-T6 into a Standalone Device Configuring the BRIM-T6 Ring SpeedSPD Configuring and Installing TPIMs Tpim Configuration for Station Applications Installing TPIMs Chapter Connecting to the Network Connecting STP SegmentsConnecting UTP Segments Connecting Fiber Optic SegmentsConnecting Fiber Optic Segments Connecting to the Network Chapter Monitoring and Troubleshooting Lanview Leds16Mb Ring Speed STB Standby XMT TransmitRCV Receive LNK Media Link OK on attached TpimChecking the Connection LED Specifications SummaryMonitoring and Troubleshooting Appendix a Tpim Specifications Twisted Pair Tpim Pinouts Station ModeFiber Optic Tpim Specifications Tpim Specifications Appendix B Media Specifications and Requirements Fiber OpticShielded Twisted Pair STP Impedance and AttentuationUnshielded Twisted Pair UTP Maximum Lobe LengthMaximum Trunk Lengths Attenuation and Impedance Table B-4. UTP Voice Grade and Category 3 SpecificationsMaximum Lobe Lengths Media Specifications and Requirements