用途(applications)數據電信網netdatatelecom電信網telecomnet測試設備opticalfibertestequipment光纖CATVopticalfiberCATV特性(features)兼容性好bettercompatibility高精度機械尺寸highprecisiondimensions陶瓷或青銅套管zirconiaorbronzesleeve性能指標(specification)插入損耗：小于0.2dB互換性：≤0.2dB抗張力：200---600克機械耐久性：增量小于0.2dB（500次）工作溫度：-40°C---+85°C