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Siemens Building Technologies
Cerberus Division
E1481b
06.2000
A more complicated configuration is shown in Fig. 5 this network topology, the so called
two level network, the GW-21 is connected to a GW-20 that acts as a gateway concen-
trator.
Control
Panel
GW-21.xx
Control
Panel
Control
Panel
Control
Panel
Control
Panel
1 to 4 contol panels
GW-21.xx
Control
Panel
Control
Panel
Control
Panel
Control
Panel
1 to 4 contol panels
GW-20
Fig. 5 The two level network
Summary of Contents for Cerberus GW-21
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