This cools
the cable along its length, so at any point along the bundle of cables, the desired one can be identified by its temperature.
Not exact matches
Just lay the
cable out in the most convenient way, then tape it down all
along the
length with the tape.
To measure temperatures
along the
cable's
length, the team sends pulses of light down the fiber and observes how the fiber backscatters the light, returning it in the direction from which it came.
It may be that the
cable has already started to fray or come apart somewhere
along its
length.