Cabletron Systems BRIM-F6 Cable Specifications, Shielded Twisted Pair Transmitter Specifications

Page 23

Shielded Twisted Pair Transmitter Specifications

Unshielded Twisted Pair Receiver

(Signal Detect)

Deassert time

10 sec typical

350 sec maximum

Shielded Twisted Pair Transmitter Specifications

Shielded Twisted Pair Transmitter

Amplitude

1.285 Vpk maximum

 

1.165 Vpk minimum

 

 

Rise time

3 nsec minimum

 

5 nsec maximum

 

 

Fall time

3 nsec minimum

 

5 nsec maximum

 

 

Rise/Fall variation

0.5 nsec maximum

 

 

Overshoot

5% maximum

 

 

Shielded Twisted Pair Receiver

(Signal Detect)

Assert time

10 sec typical

 

100 sec maximum

 

 

Deassert time

10 sec typical

 

350 sec maximum

 

 

4.2Cable Specifications

The FDDI Physical Layer Medium Dependent (PMD), Twisted Pair Physical Layer Medium Dependent (TP-PMD), and Single Mode Fiber Physical Layer Medium Dependent (SMF-PMD) ANSI standards define cable requirements as follows:

BRIM-F6 User’s Guide

Page 4-5

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Contents BRIM-F6 USER’S Guide Page Contents Page Chapter Introduction Getting Help Using This ManualBRIM-F6 Overview BRIM-F6 FeaturesBRIM-F6 Overview Related Documentation Unpacking the Brim and the FPIMs Chapter InstallationFpim Screws Installing the FPIMsInstalling the BRIM-F6 Installing the BRIM-F6Installing a BRIM-F6 into a MIM Brim Tab Installing a BRIM-F6 into a Hub BRIM-F6 User’s Guide Chapter Using Lanview TWR Twisted Ring Fiber Optic Interface Chapter SpecificationsMultimode Receiver Signal Detect Single Mode Receiver Single Mode SpecificationsUnshielded Twisted Pair Receiver Signal Detect Shielded Twisted Pair Transmitter Specifications Cable SpecificationsMultimode Fiber Twisted Pair Cable Length Twisted Pair Pinout ConfigurationEnvironment SafetyBRIM-F6 User’s Guide A-1 Appendix a Basic Fddi NetworksAppendix a Basic Fddi Networks BRIM-F6 User’s Guide A-3 ReliabilityFigure A-2. Wrapping a Broken Ring BRIM-F6 User’s Guide A-5 Ansi Standard X3T9.5Figure A-4. Token and Frame Formats Fddi Station BRIM-F6 User’s Guide A-7Fddi Connection Rules BRIM-F6 User’s Guide A-9 Fddi DevicesFigure A-7. Valid Station Configurations BRIM-F6 User’s Guide A-11 Figure A-8. Duplex Fiber Optic Receptacles and ConnectorsA-12 Bypass State Operational State BRIM-F6 User’s Guide A-13Figure A-10. Fddi Devices BRIM-F6 User’s Guide A-15 Design Considerations For Fddi NetworksBandwidth BRIM-F6 User’s Guide A-17 Figure A-11. Physical Device Connections
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