page 6 579-1150 Rev M
4010ES IDNAC Fire Alarm System Installation Guide
2.2 Network configuration
The 4010ES can be expanded to a network system by using the 4010-9902 and the 4010-9922 network interface card (NICs) for a 4120
network or by using the 4010-6310 ES Net Network Interface Cards (NICs) for an ES Net network. When a NIC is installed into a 4010ES
host panel, it is used to connect to up to 98 other network nodes. Nodes may consist of other host 4010ES panels, or they may be
completely different: 4100ES FACUs, 4007ES FACUs, and TrueSite Workstation (TSW) are examples of what could be used as nodes. A node
is a self-sufficient FACU that controls appliances and devices, which also has the capability of controlling and communicating with other
nodes.
The 4120 network configuration supports two prevalent architectures or wiring configurations: hub (or ring), or star. A networked system
can also use a combination of the two.
The ES Net network configuration supports a ring topology and also a linear topology (Class B).
Ring and star configurations (4120 network only)
The hub configuration consists of a main loop with nodes connected in a radial manner. The star configuration consists of several nodes
connected directly to one common node. Physical bridge cards are used for the star configuration. Physical bridges reduce the amount of
wire that would otherwise be needed to connect all nodes in a loop. A combination of the two styles is illustrated in Figure 2.
Figure 2: Hub/ring configuration
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