· 单模、多模(62.5/125) · 长度500M,1KM,2KM...5KM(厂家) · 损耗小于等于0.5dBm/公里 · 具有优良的密封性能,防水防污防** The OTDR test extension line, OTDR, OTDR products ·mainly used to compensate for the OTDR test blind area, ce*al fiber without any fusion joint, small volume, light weight Easy to carry. ·single-mode, multimode ( 62.5/125 ) ·length 500M, 1KM, 2KM... 5KM ( custom ) ·loss less than or equal to 0.5dBm/ km ·with excellent sealing performance, waterproof and dustproof explosion-proof 3.0PVC黄色套管内含纺纶和0.9空管(光纤保护套管) 裸纤盘 光纤 测试纤 OTDR测试延长线 1到20km公里 弥补OTDR测试盲区 产品说明:产品型号:FC/UPC-FC/UPC-2KM 裸纤盘 可定做:1KM,2KM,3KM,4KM,5KM,10KM,15KM,20KM等 连接头为FC-FC,SC-SC,FC-SC,请和客服说明要的头 1.长度1KM 2.标准圆盘缠绕. 使用光时域反射仪(OTDR)测量光纤,有时会遇到光纤链路很短的情况。