Master Configurations
iSTAR Ultra Installation and Configuration Guide 3–7
Master Configurations
To ensure continuous connection, the iSTAR Ultra cluster can communicate with C•CURE 
using a primary and optional communication secondary path, configured on a single master 
controller.
Figure 3-4 shows primary and secondary communications using a single master.
Figure 3-4:  Single Master Configuration
Single Master Configurations
Table 3-2 on page 3-7 shows the configuration options for clusters that provide 
communication using a single master controller.
Primary 
Host
Ultra Master
Cluster
Single Master Configuration
Secondary
Table 3-2:  Supported Communication Paths for Single Master Controllers 
Primary  Secondary
C•CURE 9000
Network None
Network Network