| This test procedure
determines the stability of cable attenuation under various
environmental temperatures.
Attenuation changes for fibre optic
cables that can occur from temperature changes are normally the
result of bending or tension on the cable.
This is caused by the different
thermal expansion coefficients of fibres, strain relief elements and
sheath material of the cable.
Test requirements for temperature
dependent measurements must simulate the most unfavourable conditions.
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