Cabletron Systems BRIM-T6 manual Maximum Lobe Lengths

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MEDIA SPECIFICATIONS AND REQUIREMENTS

Maximum Lobe Lengths

The lobe length is the physical length of the cable connecting a station to its TCU port. Table B-5 shows maximum lobe length according to ring speed. Length figures are for total lengths of UTP cable only.

Table B-5. UTP Maximum Lobe Lengths

UTP Cable Type

 

Maximum Lobe Length

 

 

 

 

4 Mbps

 

16 Mbps

 

 

 

 

 

 

 

 

Category 3

100 meters

 

60 meters

 

(330 feet)

 

(198 feet)

 

 

 

 

Category 4

100 meters

 

60 meters

 

(330 feet)

 

(198 feet)

 

 

 

 

Category 5

130 meters

 

85 meters

 

(429 feet)

 

(280.5 feet)

 

 

 

 

B-5

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Contents BRIM-T6 USER’S Guide Page All Rights Reserved Order Number 9031288 September DOC Notice FCC NoticeVcci Notice Cabletron Software Program License Program License AgreementUnited States Government Restricted Rights Exclusion of Warranty & Disclaimer LiabilityContents Appendix B Media Specifications and Requirements Chapter Introduction Using this ManualMedia Flexibility Introducing the BRIM-T6Bridge/Routing Protocols Jumper Selectable Ring SpeedSpanning Tree Algorithm STA Compliance BRIM-T6 ManagementSafety Brim SpecificationsRelated Documentation EnvironmentNetworking Publications Getting HelpIntroduction Installing the BRIM-T6 Chapter InstallationUnpacking the BRIM-T6 Installing the BRIM-T6 into a MIM Installing the BRIM-T6 Configuring the BRIM-T6 Ring Speed Installing the BRIM-T6 into a Standalone DeviceSPD Configuring and Installing TPIMs Tpim Configuration for Station Applications Installing TPIMs Connecting STP Segments Chapter Connecting to the NetworkConnecting Fiber Optic Segments Connecting UTP SegmentsConnecting Fiber Optic Segments Connecting to the Network Lanview Leds Chapter Monitoring and Troubleshooting16Mb Ring Speed RCV Receive XMT TransmitSTB Standby LNK Media Link OK on attached TpimLED Specifications Summary Checking the ConnectionMonitoring and Troubleshooting Twisted Pair Tpim Pinouts Station Mode Appendix a Tpim SpecificationsFiber Optic Tpim Specifications Tpim Specifications Fiber Optic Appendix B Media Specifications and RequirementsImpedance and Attentuation Shielded Twisted Pair STPMaximum Lobe Length Unshielded Twisted Pair UTPMaximum Trunk Lengths Table B-4. UTP Voice Grade and Category 3 Specifications Attenuation and ImpedanceMaximum Lobe Lengths Media Specifications and Requirements