The Comnet selection of MSA Compliant Small Form-Factor Pluggable (SFP) modules allows for an optical or electrical interface when using a ComNet managed switch, unmanaged switch or media converter. This interchangeable SFP modules is available for use with copper media single mode optical fiber. The optical fiber SFP modules is available in Fast Ethernet one and two fiber versions and Gigabit Ethernet one and two fiber versions. The ComNet SFP modules offer different wavelengths and optical power budget to allow distances from 300m to 120 kilometers. These SFP modules are industrially rated to perform in the most difficult operating environments.