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FC/PC connector. The FC connector is a fiber-optic connector with a threaded body, which was designed for use in high-vibration environments. It is commonly used with both single-mode optical fiber and polarization-maintaining optical fiber. FC connectors are used in datacom, telecommunications, measurement equipment, and single-mode lasers.
The most familiar Fibre Channel connectors are cable connectors, used for interconnects between initiators and targets (usually disk enclosures). There are also "device connectors" that can be found on Fibre Channel disk-drives and backplanes of enclosures. The device connectors include pins for power and for setting disk options.
Connector design standards include FC, SC, ST, LC, MTRJ, MPO, MU, SMA, FDDI, E2000, DIN4, and D4. Cables are classified by the connectors on either end of the cable; some of the most common cable configurations include FC–FC, FC–SC, FC–LC, FC–ST, SC–SC, and SC–ST. [clarification needed]
Optical fiber connectors are used to join optical fibers where a connect/disconnect capability is required. Due to the polishing and tuning procedures that may be incorporated into optical connector manufacturing, connectors are often assembled onto optical fiber in a supplier's manufacturing facility.
A special variety of a FC switch is the Fibre Channel Director, a switch meant to provide backbone infrastructure in a fabric usually featuring at least 128 ports and high-availability attributes, however the term is loose and varies among to manufacturers. [1] It does not differ from a switch in core FC protocol functionality.
The most common types that are added to fiber optic cable in inside plant environments are LC, SC, ST, and FC. Some fiber connectors are pre-polished mechanical connectors for ease of installation or anaerobic connectors which require cleaving and polishing. [1] Once the appropriate connector has been identified, the termination process can begin.
FC-2 -- The transfer of frames, sequences and exchanges comprising protocol information units. FC-3 -- Common services required for advanced features such as striping, hunt group and multicast. FC-4 -- Application interfaces that can execute over Fibre Channel such as the Fibre Channel Protocol for SCSI (FCS).
FC-0 – physical layer, defined by Fibre Channel Physical Interfaces standard, includes cabling, connectors etc.; Fibre Channel products are available at 1, 2, 4, 8, 10, 16 and 32 and 128 Gbit/s ; these protocol flavors are called accordingly 1GFC, 2GFC, 4GFC, 8GFC, 10GFC, 16GFC, 32GFC or 128GFC.