EMERSON SLS1508 KJ2201X1-BA1 12P3162X092 Control card
Typically a RED and a BLACK signal ground is established by a direct connection totally within a controlled space to an equipotential ground plane and earth electrode subsystem. Cable shields from the RED equipment to the RED side of the crypto are grounded at least at both ends. Cable shields from the BLACK side of the crypto equipment through the BLACK intermediate distribution frame (IDF) to the BLACK equipment are normally grounded at both ends.
EMERSON SLS1508 KJ2201X1-BA1 12P3162X092 Control card
For unbalanced signaling, signal ground is usually established by a direct connection from an isolated signal ground bus in the RED distribution frame to an equipotential ground plane and in turn to the earth electrode subsystem. f. Inspections and tests. Inspection and testing of the system should be implemented as integral elements of the facility during the construction of the building or structure. To ensure that the implementation is accomplished in a timely manner, the construction efforts should be carefully monitored from the onset of excavation through completion of the facility.
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