sign2. ? Maximum cores 723. ? Fiber lead 、grounding and perfect fixup 、 reliable4. ? Pigtail fixup reliable and perfect protection5. ? Apply to extensive field6. ? Convenient operations and maintenanceSPECIFICATIONS：1. ? Environment temperature：－25℃～＋45℃2. ? Relative humidity：≤85% (30℃)3. ? Atmosphere pressure：70～106KPa4. ? Insulated Resistance：≥2×10MΩ/500V (DC)5. ? Intensity≤15KV(DC)/1minno spark-over and no flying arc6. ? Fiber bending radium guaranteed more than