1-5
The 4100ES can be expanded to become a network system by using network interface
cards (NICs). When a NIC is installed into a 4100ES host panel, it is used to connect to
other network nodes. Nodes may be other host 4100 panels, or they may be other things
such as Graphical Command Centers (GCCs), and Visual Command Centers (VCCs). A
node is a self-sufficient CPU that controls appliances and devices, which also has the
capability of controlling and communicating with other nodes.
{xe "4100 Fire Alarm System: network (overview)"}{xe "Network 4100 Fire
Alarm System: about"}
{xe "Network 4100 Fire Alarm System: hub configuration"}{xe "Network 4100 Fire
Alarm System: ring configuration"}{xe "Network 4100 Fire Alarm System: star
configuration"}{xe "hub configuration"}{xe "ring configuration"}{xe "star
configuration"}The network configuration supports two basic architectures (or wiring
configurations): ring or star. A networked system can also use a combination of the two.
The ring configuration consists of a main loop with nodes connected sequentially. The
star configuration consists of several nodes connected directly to one common node.
Physical bridge cards are used in the hub node for the star connections. A combination of
the two styles is illustrated in Figure 1-3.
Ring Topology
Physical Bridge Links
(Star Topology)
Graphic Command
Center (GCC)
Network Display Unit
(NDU) Hub Node
Distributed Remote
Node Locations
Figure 1-3. Star/Ring Configuration
Continued on next page
Network Configuration
Overview
Hub and Star
Configurations
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