GIGALIGHT 16GFC SFP+ DWDM optical transceiver module is used for long-distance interconnection of data center storage area network, conforms to 16G fiber channel transmission protocol, and is backward compatible with 4G/8G fiber channel transmission protocol. This series of products uses a pair of single-mode optical fiber transmission, the center wavelength is optional for DWDM series C18-C61 (interval 100GHz), the distance can reach up to 10km or 40km, and the working temperature range of industrial grade is optional.