In optical communication network, ODF (Optical Distribution Frame) is a fiber management system in office for optical cable termination and distribution, which can easily realize the connection and dispatch of optical fiber lines. The shelf is a multi-purpose mechanical unit in the rack environment to fixing, protecting, splicing, patching and storing optical cables. It can house the passive device, such as splitter, WDM as well. HI WIN’s HODF2 is a drawer type front patching shelf. All front operation and drawer concept allow easy access for the splicing and patching on both sides. A wide range of sizes and connector types for selection.