F-tone 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.
Key features and benefits ● Temperature (standard SMS series): -55° +105°C ● Temperature (for the flame retardant version): -40° +105°C ● Sealing: IP40