6820 / 6820EVS Manual P/N LS10144-001SK-E:C 09/28/2017 71
2. Use the 6-pin cable included with SK-NIC to connect the 6820/EVS to the SK-NIC. Connect the SK-NIC to the pin connector on
the control panel labeled Data Network. See Figure 5.6.
Figure 5.6 Panel to SK-NIC connection
3. Each SK-NIC has the ability to monitor for earth ground faults on the twisted pairs connected to Port 1 of its terminal block TB2.
Earth fault detection for any wiring at Port 2 of TB2 is done at the next/previous SK-NIC due to these wiring connections being
connected to Port 1 of TB2 at the next/previous SK-NIC.
4. Unused optic ports on fiber loop modules must have their dust caps placed on the port.
5. Based on the type of data medium chosen, run the twisted pair wiring/fiber optic cable to the next SK-NIC using a class B or class
A wiring method. A combination of both medium types can be used. See Figure 5.7, Figure 5.8, Figure 5.9, and Figure 5.10 for SK-
NIC wiring examples.
To mount the SK-NIC remotely:
Follow the steps above except, The 6-pin cable that runs from the SK-NIC to the 6820EVS must be run in conduit. See Figure 5.1.
NOTE: The SK-NIC provides a common communications link for 6820/6820EVS. These panels cannot be linked together for peer-to-peer
networking.
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