The E2000/UPC To E2000/UPC Simplex Singlemode Plastic Fiber Optic Adapter With Flange is a precision-engineered interconnection device designed to provide stable and low-loss coupling between two E2000/UPC connectors in singlemode optical systems. Constructed with a high-quality plastic housing and zirconia ceramic alignment sleeve, it ensures excellent core alignment, minimal insertion loss, and superior return loss performance. The flanged structure allows secure mounting onto panels or enclosures, providing enhanced mechanical stability during installation and long-term use.