Mimosa Client Help Content
Mimosa Clients Mounting & Grounding
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Network Interface Device (NID)
Overview
The NID serves two purposes:
It was designed first to protect against surge energy from entering a structure in compliance with electrical1.
codes. There is no surge protection on the C5, PoE or G2, and only the C5 and NID have metal shielded
Ethernet inputs. While the Ethernet cable shield can behave like a ground (and many service providers treat it
as such), it is not a code-compliant grounding solution for surge currents as the cross-sectional area does not
have the current carrying capacity of a larger ground wire that would normally be specified for building safety.
The NID also serves as a demarcation point for the external portion of service, and provides outdoor technician2.
access so that they don’t have to schedule time with a building occupant for testing or troubleshooting
between the C5 and A5. Some providers charge end users more money if the problem is inside the building
rather than outside.
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