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Field applications
Class A – Redundant ring configuration
The DNX R-2F/FC module was designed to support full optic fibre class A redundancy
as required for EN54-13 and BS5839-1. This topology is illustrated in Figure 11.
Class B – Non-redundant radial configuration
The DNX R-2F/FC module also supports the class B non-redundancy optic fibre
configuration for the event of a fault in the ring. This topology is illustrated in Figure 12.
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Figure 11: Class A – Hybrid Network
Figure 12: Class B – Hybrid Network
Man-1492
DNX-R-2F/FC-K
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