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Cable, Network Acronyms, Glossary and Terms

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F

F Type Connector: are used for CATV, SATV and Digital TV in conjunction with either RG6/U or RG11/U cables. The copper clad steel inner conductor of the cable forms the inner "pin" of the conductor. Although "twist-on" type connectors are available, they do not produce a reliable connection in comparison to a crimp type connector that has been terminated with a good quality ratchet crimping tool.

FDDI: Fibre Distribution Data Interface, 100 Mbit/s FO standard for a LAN or MAN

Fibre Distributed Data Interface (FDDI): A 100Mbps fibre optic cabling standard developed by ANSI. FDDI utilises a dual counter rotating ring topology for network redundancy.

Firewire: history of firewire

Frequency: The number of times a periodic action occurs in one second. Measured in Hertz.

FRMR: Frame Reject, LLC response to error that cannot be corrected by ARQ, may cause reset or disconnected (layer 2).