Don't get me wrong when you read this, I think this guy is full of crap. To say cables become directional after being broken is just ....
The first time I saw this was on some cables I bought to hook up my monitors. I didn't pay a premium they where just regular old cables. Why would they put this on?
I did some googling and found this. Does it make any sense to anyone? Could it apply to TRS cables?
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There are some interconnect cables which use two conductors (often a
twisted pair) to carry the signal and the ground return, and have a
separate braid or foil shield. In these cables, the shield is often
connected to the RCA plug shell (and thus to ground) at only one of
the two ends - at the other end it's insulated/isolated from the RCA
plug.
It is believed that in situations where there's strong RF interference
noise present, this separation of the "ground return" and "shield"
function will help reduce the amount of RF interference which can
bleed into the system via the shield. This technique is sometimes
used in laboratory electronics, when taking very-low-level signal
measurements.
So - what do the arrows mean and which end should be plugged in where?
That depends on the manufacturer, on the details of your installation,
and in most cases it makes no difference whatsoever.
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