内部左旋转式结构设计，便于操作，采用金属结构并具备熔接和配线双重功能。可在机架或机柜上直接操作，无需取下安装和维护；安装和维护时无需将上盖板取下即可操作。  19″标准安装界面设计，盒体静电喷涂，美观大方； 适用于束状和带状光缆； 可根据需要安装FC、SC、ST、FC(双芯)适配器； 采用适配器固定端板来固定适配器，增加了其通用性和互换性 走线清晰，具有尾纤盘储功能； 耳板左右对称、独特嵌线式结构设计，右外则有固定光缆的装置，光缆引入更加灵活，方便 可以调节盒体的安装深度，安装时灵活性和通用性强，施工维护方便； 可根据客户要求增设钢芯固定装置. Inner left rotate style structural design which is convinent for operating and adopting metal structure with dual functions of splice and distribution. Can be operated directly on the rack or cabinet, there's no need to remove the installation and maintenance.It is without the need to operate on the cover can be removed when installing and maintaining. 1.The 19 "standard installation interface and its box body is dealed with galvanizing, oxidation and electrostatic plastic spraying and has beautiful appreance.2.It fits for both common bundle type cables and ribbon type cables2.It can be installed in FC, SC, ST, FC(twin-core),E2000 adapters according to requirements3.Adopting the adapter plate to the fixed end fix the adapter to increase the versatility and interchangeability5. It has clear alignment with the function of pigtails tray storage6.Ear plate is symmetrical,with the unique embedded style structural design ,the fiber optic cable is pulled to it which looks like more flexible and convenient.7.It can adjust the depth of the box installation, which has stong flexibility and versatility when installing, and easily convenient for construction and maintenance8.It can adds steel core fixtures according to customer requirements