A type of standard for implementing Ethernet networks. 10BaseF is different from other 10-Mbps Ethernet technologies because it uses fiber-optic cabling instead of copper unshielded twisted-pair (UTP) cabling. 10BaseF is based on the 802.3 specifications of Project 802 developed by the Institute of Electrical and Electronic Engineers (IEEE).
10BaseF is similar to 10BaseT in that each station is wired into a fiber-optic hub in a star topology to form the network. The maximum length of any segment of 10BaseF fiber-optic cabling is 2 kilometers. The recommended cabling type for 10BaseF networks is 62.5-micron diameter fiber-optic cabling. This cable can be terminated with either ST connectors or SMA connectors, depending on the vendor and the hub configuration. Two-strand multimode fiber-optic cabling is used, with one strand allotted for transmitting data and the other for receiving data.
The 10BaseF standard actually consists of three separate standards describing different media specifications:
Use 10BaseF instead of 10BaseT in environments that are electrically noisy, such as in industrial areas, near elevator shafts, or around other motors or generators.
Use fiber-optic cabling when running cables between buildings. Differences in ground potential between the ends of copper cabling can induce voltages that can damage networking equipment if the ends are not grounded properly. Fiber-optic cabling also supports faster speeds than copper UTP cabling and provides a more suitable upgrade option to Fast Ethernet and beyond.
The maximum signal loss or attenuation on a given segment should be no more than 12.5 decibels. Using too many connectors in a segment of fiber-optic cabling can cause the attenuation to exceed this figure, which can lead to signal loss.