Portable multifunctional format converter

The embodiment of the specification provides a portable multifunctional format converter which comprises a small portable box in which a format conversion and light transmission implementation circuit device is arranged, one side of the small portable box is provided with a first signal input interface, a first signal output interface, a second signal input interface, a second signal output interface, an optical fiber input and output interface and a network control interface which are provided by the format conversion and optical transmission realization circuit device; a display screen for displaying working parameters and working states is further arranged on the outer side of the small portable box. Therefore, the on-site system is simplified and lightened, and the purposes of reducing cost and being simple and easy to use are achieved. 本说明书实施例提供了一种便携式多功能格式转换器，其中，方法包括：小型便携式盒子，所述小型便携式盒子中设置有格式转换和光传输实现电路装置，所述小型便携式盒子的一侧设置有由格式转换和光传输实现电路装置提供的第一信号输入接口、第一信号输出接口、第二信号输入接口、第二信号输出接口、光纤输入输出接口以及网络控制接口；所述小型便携式盒子外侧还设置有显示