Nevion SL-3GHD128128-RC - Manual (Page 23)

SL-3GHD128128-RC Rev. A
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Figure 2: NCB loop configuration.
Note that each device at the end of the chain has a termination plug, indicated
with the letter “T”. This termination plug must be inserted in the correct
connection port. If not, no NCB communication is possible.
5.3.3 Termination plug
The termination plug that is mentioned in the previous chapter is necessary when you want
to avoid closing the loop be a (long) cable.