Item

Testing Method

Testing Results

Specified Value

Tension performance

IEC 60794-1-21-E1

Load：2000N/600N

Cable Length under tension:Not less than 50m. Duration of load sustain:10min test(short term)+5min rest

load sustain:20min test(long term)+5min rest

Velocity of transfer device:either 100mm/min diameter of chuck drums and transfer devices:20times cable diameter

Optical fibre strain

Additional attenuation

No damage to the cable elements

Short term：≤0.6％

Long term：≤0.2％

Short term：Da <0.1 dB,

Da reversible；

Long term：Da ≤0.03 dB