...
Avoid running cables on top of or underneath the controller printed circuit board.
Plastic tie wraps are useful in keeping cables organized. When using tie wraps, do not over-tighten.
Avoid bundling the Ethernet data cables with other cables.
Shielded Cable Basics
Why shielded
...
Cable is
...
Important
Typically, locations such as equipment closets and factory floors are electrically noisy environments. Electrical noise, either radiated or conducted as electromagnetic interference (EMI), can disrupt the operation of other electrical equipment. Shielded cable is good protection against the effects of EMI.
...