Hardened SFP/1250-ED, MM850/LC 550m (also known as 808-38201) Industrial standard small form-factor pluggable (SFP) package. Provides digital diagnostics monitoring (DDM) functionality. Wide specifications and fiber types available. Comes with metal enclosure for EMI. The Class 1 laser product complies with EN 60825-1. Supports plug-n-play operation.