10BASE-FL Cable and Connector Specifications

This section contains information on 10BASE-FL and fiber products, cables, and connectors. Use the information in the following sections to ensure that the cables and connecting hardware meet requirements.

In addition to the ONline Ethernet 10BASE-FL Module, 3Com offers the ONline 10BASE-FL Transceiver (Model Number 5101T-FL1-ST,

5101T-FL1-SMA, or 5101T-FL1-FC). The 10BASE-FL Transceiver connects the ONline 10BASE-FL Module to the fiber or 10BASE-FL network.

Fiber Cables and Connectors

You can use several types of fiber cables and connectors to link your 10BASE-FL Module to your network. These cables and connectors are explained in the sections that follow. For proper operation, use only approved cables when you install all equipment.

Fiber Cables

The fiber optic cable diameters that the 10BASE-FL Module supports must meet the following qualifications:

50/125, 62.5/125, 85/125, or 100/140 μm graded index fiber

Duplex fiber with a 150 MHzKm rating or better

Note that network link distances are affected by the grade of cable you choose. The quality of fiber cable varies significantly. Typically, measure quality in terms of the signal loss per kilometer. The less amount of loss the cable has, the better the cable quality is. Good quality 62.5 μm fiber typically has a 3 to 4 dB loss per kilometer.

Specifications A - 7

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3Com 5104M-FL1 installation and operation guide 10BASE-FL Cable and Connector Specifications, Fiber Cables and Connectors