12 Cores Fiber Distribution Box
1.working temperature : - 40 C --+60 C
2.Relative humidity:<93%( at +40 C)
3.Atmospheric pressure:62kpa -- 101kpa
4.insertion loss < 0.35db
5.Back to dial the loss> 50db
6.insulation resistance>1000mohm(500v(DC)
7.withstand voltage> 300v (DC) 1min