Each 2x2 Bypass Optical Switch connects optical channels by redirecting 2 incoming optical signals into 2 output fibers. D2x2B Optical Switch is mainly used to realize optical. The FF Series fiber optic switch provides exceptional performances of nearly lossless transition, ultra-broadband with little wavelength dependence that is only limited by fiber characters, little temperature dependence, large on/off ratio, vibration insensitivity, and low cost. Designed for durability and precision, our optical switches support single-mode and multimode fiber types with low insertion loss, high return loss, and reliable. By use SPEED-OPTICAL PATH PROTECTION optical xWDM circuits you can improve the availability of xWDM circuits. This failure protection can even be further extended by special double. Corephy Dual 2x2B Opto-Mechanical Bi-directional Fiber Optic Switch combine 2unit 2x2B Optical switch. All our switches are listed below.