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5104M-FL1 installation and operation guide
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100 pages, 1.25 Mb
ONline Ethernet 10BASE-FL
Module Installation and
Operation Guide
Document Number 17-00470-3
Printed March 1995
Model Number: 5104M-FL1
3Com Corporation
118 Turnpike Road
Southborough, MA 01772-1886
U.S.A.
(508) 460-8900
FAX (508) 460-8950
®
Contents
Main
ii ONline Ethernet 10BASE-FL Module Installation and O peration Guide
Federal Communications Commission Notice
Canadian Emissions Requireme nts
VDE Class B Compliance
EN55022/CISPR22 Compliance
ONline Ethernet 10BASE-FL Module Installation and Operation Gui de iii
Page
Contents
How to Use This Guide
Chapter 1 Introduction
Chapter 2 Designing and Expanding the Network
Chapter 3 Installing and Operating the Module
Chapter 4 Troubleshooting
Appendix A Specifications
Appendix B Technical Support
Index
Page
Figures
Page
Tables
Page
How to Use This Guide
Audience
Structure of This Guide
Document Conventions
Text Conventions
slot
Notes, Cautions, and Warnings
Related Documents
3Com Documents
Reference Documents
Page
1
10BASE-FL Module Description
10BASE-FL and FOIRL IEEE Standards Comparison
Theory of Operation
Page
2
Expanding the Network
Understanding the General Rules
Basic Network Rules
Page
Page
LAN Equivalence
Determining Maximum 10BASE-FL Link Distances
Calculating Maximum Link Distance
Determining Link Budget
Attenuation
Splicing
Optical Fiber Loss
Maximum Link Distance Calculation
Page
Choosing a Network Backbone Cabling Structure
Star Configuration
Page
10BASE-FL Module Configurations
10BASE-FL Backbone, 10BASE-FL to-the-De sk
Page
Network Distance Calculation Examples
Page
10BASE-FL Backbone, Unshielded Twisted Pair to-the-Desk
Page
Page
10BASE-FB Fiber Backbone, 10 BASE-FL to-the-Desk
Page
Connecting External Network Devices
Page
Page
Fault-Tolerant Configurations
Configuring Ports for Fault Tolerance
Implementing Backbone Cable Plant Fa ult Tolerance
Setting Redundancy
Page
Remote Failure Signaling
Implementing Total Backbone Fault Tolerance
Page
Page
3
Operating the Module
Precautionary Procedures
Unpacking Procedures
Quick Installation
Setting the Dip Switches
Installing and Operating the Module 3 - 5
Figure 3-1. 10BASE-FL Module Dip Switch Locations
Setting Dip Switch SW1
Page
Setting Dip Switch SW2
Installing the Module
Page
Page
Configuring the Module
Enabling Ports
Selecting a Network
Enabling Port Redu nd an cy
Page
Enabling Remote Failure Signaling
Saving Module Configuration
Showing Module Configuration
Monitoring the Front Panel
Page
Page
Verifying the LED and Network Assignments
4
Troubleshooting Using the Port Activity LEDs
Troubleshooting Using the Port Status LEDs
Page
RFS Troubleshooting
Technical Assistance
Page
A
General Specifications
Optical Specifications
Transmitter Specifications
Receiver Specifications
Supported Fiber Optic Cables
Fiber Optic Interface
Power Requirements
Page
10BASE-FL Cable and Connector Specifications
Fiber Cables and Connectors
Fiber Cables
Fiber Connectors
Connecting Fiber Cables
B
On-line Technical Support
Email Technical Support
World Wide Web Site
Support from Your Network Supplier
Support from 3Com
Returning Products for Repair
Accessing the 3Com MIB
3Com Technical Publications
Page
Index 1
Index
Numerics
A
B
C
D
E
F
G
H
L
M
N
O
P
T
V