ZKTel's small form-factor (SFF) is a compact optical transceiver used in optical communications for both telecommunication and data communications applications. It is a popular industry format supported by several fiber optic component vendors. SFF transceivers are designed to support SONET/SDH, Gigabit Ethernet, Fibre Channel, and other communications standards. SFF transceivers are available with a variety of different transmitter and receiver types, allowing users to select the appropriate transceiver for each link to provide the required optical reach over the available optical fiber type
SFF