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Cabletron Systems BRIM-F6 manual Specifications, Multimode Fiber Optic Cable Length, Page

Models: BRIM-F6

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Multimode Fiber Optic Cable Length

CHAPTER 4: SPECIFICATIONS

Multimode Fiber:

Core diameter:	62.5 ∝m nominal
Cladding diameter:	128.0	∝m maximum
	122.0	∝m minimum
Cable attenuation:	≤ 2.5 dB/km typical

Single Mode Fiber:

Core diameter:	8.7 ∝m +/- 0.5 ∝m
Cladding diameter:	127.0 ∝m maximum
Cable attenuation:	≤ 0.5 dB/km typical

Multimode Fiber Optic Cable Length

The PMD FDDI standard speciﬁes the following:

Maximum total
cable length:	100 km (62 miles) — dual ring
	200 km (124 miles) — wrapped
Maximum multimode
cable length between
adjacent nodes:	2 km (1.2 miles)

Single Mode Fiber Optic Cable Length

The SMF-PMD FDDI standard speciﬁes the following:

Maximum total

cable length:100 km (62 miles) — dual ring 200 km (124 miles) — wrapped

Single mode cable length

between adjacent nodes:40 km (24 miles) maximum 25 km (15 miles) typical

Twisted Pair Cable Length

The TP-PMD FDDI standard speciﬁes the following:

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BRIM-F6 User’s Guide

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Cabletron Systems BRIM-F6 Specifications, Multimode Fiber Optic Cable Length, Single Mode Fiber Optic Cable Length, Page

Contents

BRIM-F6 USER’S GUIDE Page CONTENTS CHAPTERCHAPTER CHAPTERPage CHAPTER INTRODUCTION 1.1 Using This Manual 1.2 Getting Help1.4 BRIM-F6 Features 1.3 BRIM-F6 OverviewConnectivity Bridging1.5 Related Documentation CHAPTER INSTALLATION 2.1 Unpacking the BRIM and the FPIMs2.2 Installing the FPIMs 2.3 Installing the BRIM-F6 2.3.1 Installing a BRIM-F6 into a MIM Figure 2-3. Installing the BRIM-F6 To install the BRIM-F6 ribbon cable 2.3.2 Installing a BRIM-F6 into a Hub 10. Reinstall the coverplate/faceplate screws and standoff screws CHAPTER USING LANVIEW CHAPTER 3 USING LANVIEW TWR Twisted RingWRP Wrap XMT TransmitCHAPTER SPECIFICATIONS 4.1 Fiber Optic InterfaceCHAPTER 4 SPECIFICATIONS Multimode Receiver Signal DetectSingle Mode Speciﬁcations Single Mode Transmitter PageSingle Mode Specifications Single Mode Receiver Signal DetectSingle Mode Receiver BRIM-F6 User’s GuideCHAPTER 4 SPECIFICATIONS Unshielded Twisted Pair Receiver Signal DetectUnshielded Twisted Pair Speciﬁcations Unshielded Twisted Pair Transmitter4.2 Cable Specifications Shielded Twisted Pair Transmitter SpecificationsUnshielded Twisted Pair Receiver Signal Detect Shielded Twisted Pair Receiver Signal DetectCHAPTER 4 SPECIFICATIONS Multimode Fiber Optic Cable LengthSingle Mode Fiber Optic Cable Length Twisted Pair Cable Length4.3 Twisted Pair Pinout Configuration 4.5 Safety 4.4 EnvironmentCHAPTER 4 SPECIFICATIONS SignalAPPENDIX A BASIC FDDI NETWORKS APPENDIX A BASIC FDDI NETWORKS Page A-2Figure A-1. Typical FDDI Physical Installation Figure A-2. Wrapping a Broken Ring Figure A-3. FDDI Structure and the OSI Network Model Figure A-4. Token and Frame Formats Figure A-5. SMT Management Organization V - valid connection X - illegal connection Figure A-6. Dual Homing Topology APPENDIX A BASIC FDDI NETWORKS Page A-10BRIM-F6 User’s Guide Single AttachedFigure A-8. Duplex Fiber Optic Receptacles and Connectors Optical bypass switches, concentrators, and bridges exist throughout FDDI networks. These devices allow creation of ring topologies that meet the speciﬁc needs of different network applications Figure A-9. Optical Bypass Switch Figure A-10. FDDI Devices A.7.2 Drive Distance A.7.3 AttenuationA.7.4 Bandwidth A.7.5 Number of StationsFigure A-11. Physical Device Connections 16 PHYSICAL CONNECTIONSDesign Considerations For FDDI Networks BRIM-F6 User’s Guide