100
Cables
Figure 62 Wiring the FOM-2000-SP Fiber Optics Network Module
12.4 Ground Fault Reporting
The MMX system reports ground faults as required by UL, ULC, and FM. Secutron has
enhanced ground fault reporting to aid the technician in identifying which lead of a pair of wires
is in contact with the ground. To this end, the ground fault report on the panel includes
information about polarity (positive or negative).
• SLC (signaling line circuits) wires and IDC (input detection circuits) wires: The
positive ground fault or negative ground fault report on the panel points the technician to
the fault directly.
TX 1RX 1
RX 1
RX 1
RX 1
TX1
TX1
TX 1RX 2
TX 2
TX 2
RX 2
RX 2
RX 2
RX 2
TX 2 RX 2
RX 2
TX 2
TX 2
TX 2
TX 2
RX 1
TX 1
TX 1
TX 1
RX 1
RX 1
FOM-2000-SP
Lobby Panel
FOM-2000-SP
FOM-2000-SP
FOM-2000-SP
FOM-2000-SP
FOM-2000-SP
FOM-2000-SP
STYLE 7 WIRING
NODE 1
NODE 2
LAST
NODE 63
NODE 3
NODE 6
NODE 4
NODE 5
Maximum Attenuation:
6.5dB or 2000m for 62.5/125
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