Introduction 1 - 1
1Introduction
This chapter introduces you to the:
❑3Com ONline™ Ethernet Port-Switching 10BASE-F B Modules
(5102M-FBP and 5104M-FBP)
❑3Com ONline™ Ethernet 10BASE-FB Module (510 4M-FB1)
The modules are referred throughout this gu ide as the 10BASE-FB Modules.
Information in this guide refers to all three 10BASE-FB Modules listed abo ve.
Differences between the modules are noted where applicable.
This chapter contains the following sections:
❑10BASE-FB Module Descriptions
❑10BASE-FB Compliance
❑10BASE-FB Theory of Operation
❑Compatibility With Other Ethernet Fiber Products