Pdr offers optical fiber identifier, series ofi-20. Pdr is a company which is the supplier of active and passive fiber optic components and it is a contract manufacturing company. The company is accredited nqa, qsr certification. Optical fiber identifier is handheld, easy-to-use optical test instruments that identify optical fibers without any damage by detecting the optical signals being transmitted through the fibers. It uses non-destructive macro-bend detection technology and mechanism. Ofi-20 can efficiently identify the wide-sectrum signals, such as signals in catv system and edfa. The salient features of optical fiber identifier