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1 - 2 ONline Ethernet 10BASE-FB Module Installation and Operation Guide
10BASE-FB Module Descriptions
The ONline Ethernet Port-Switching 10BASE-FB Module is a 2- or 4-port,
Ethernet fiber module designed for 3Com ONline System Concentrators.
The ONline Ethernet 10BASE-FB Module is a 4-port, Ethernet fiber module
also designed for 3Com ONline System Concentrators.
The ONline Ethernet Port-Switching 10BASE-FB Module (Model Number
5104M-FBP) is functionally identical to the ONline Ethernet 10BASE-FB
Module (Model Number 5104M-FB1) except for the Port-Switching
Module's ability to set each port to an independent backplane network in
the concentrator.
The 5104M-FB1 is module-switching only. You can update the 10BASE-FB
Module to a port-switching module by installing the ONline Ethernet
10BASE-FB Upgrade Kit.
The 10BASE-FB Modules provide:
❑ Fiber backbone connectivity for Ethernet local area networks
❑ Direct fiber to-the-desk connectivity
You can directly connect the 10BASE-FB Modules to any other ONline fiber
module as well as all of the products in the 3Com 10BASE-FB family,
including the:
❑ 3Com 10BASE-FB Star Coupler
❑ 3Com 10BASE-FB Fiber Transceiver
❑ 3Com Fault-Tolerant 10BASE-FB Transceiver
The 10BASE-FB Modules:
❑ Provide up to 4.0 kilometers distance between any two concentrators
❑ Support network diameters up to 4.2 kilometers
❑ Contain built-in link redundancy for fault tolerance