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.
Figure 11: Class A
–
Hybrid Network
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.
Figure 12: Class B
–
Hybrid Network
27
Man-1492
DNX-R-2F/FC-K