48 FP/FR1100/1200/2000 V6: Installation and Commissioning Manual
6.6.2 NE2011/NE2051 ARCNET network extension cards
The NE2011 (RS485) and NE2051 (Optical) are network interface modules that are
mounted directly on the NC2011 or NC2051 network card. The modules provide the user
the ability to implement a wide range of network topologies when networking FP2000
Series fire panels and FR2000 Series repeaters/emulators. The modules are delivered
with the necessary washers, nuts and spacers to allow for proper mounting. For more
information refer to the Network Configuration Guide.
Figure 36: NE2011 network extension module
1. NE2011 S. Screen (A-side: Not earthed
B-side: Earthed)
T+. Termination (A-side: Not terminated,
B-side: Terminated)
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