* Insertion loss:<=0.3db
* Return loss: PC>40d8, UPC>50dB, APC>=60d8
* Interchangeability: <=0.2dB
* Vibration: <=0.2dB
* Tensile Strength: <=o.2dB(0-15Hg tension, except for 0.9mm fiber)
* High temperature: <= 0.2cdb (+85℃, 100Hrs)
* Low temperature: <= 0.2d b (-40℃, l100Hrs)
* temperature cycle:<=0.2db (-40℃, -+85℃, 5 times)
* Humidity: <=0.2db (+25℃~+65℃, relative humidity 93%, 100Hrs after)