Description: Optical Fiber Distribution Frames (ODF) is used for connection and patching of optical cables, mainly used as the interface between optical transmit network and optical transmit equipment and between optical cables in access network of optical fiber subscribers. Features: Nominal wavelength: 850nm, 1310nm, 1550nm; Optical connector: in conformity with IEC875-1:1992, IEC874-1:1993; Fiber optical: in conformity with the specifications in IEC793-1:1995 and IEC794-1:1996;