Level FC-0 deals with the physical variants:
FC-0 deals strictly with the serial bit stream to be sent and received, and the conductors used to transmit that stream. This layer is called the physical layer. The Fibre Channel standard calls this function the Link Control Facility (LCF). The requirements are different for different types of media and different data rates.
Remember, Chapter 1 stated that the main purpose of Fibre Channel is to have any number of existing protocols over a variety of physical media and existing cable options. Therefore, FC-0 provides for four types of connectors to accommodate for the ...