Honeywell CIU 888 Migration Manual page 61

FIGURE 3-9
Part No.: 4417593_Rev09
Commissioning of a Redundant System Setup
The Hot Standby enabled option must be selected. The primary
CIU Plus has the secondary CIU Plus as its counterpart, and fulfills
the Primary role (see FIGURE 3-9).
Ensite Pro: Hot standby configuration settings of the primary CIU Plus
The type of connection is always CIU Primes connected to one
Plus only. With this type of connection, each CIU Prime in the
redundant system setup is connected to one CIU Plus, i.e. the
primary CIU Prime is connected to the primary CIU Plus, and the
Ensite Pro to CIU 888 Migration Manual
CIU 888 3 - 11