Honeywell CIU 888 - Page 59

Commissioning of a Redundant System Setup
Part No.: 4417593_Rev09 Ensite Pro to CIU 888 Migration Manual
CIU 888 3 - 9
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The Hot Standby enabled option must be selected. The primary
CIU Prime has the secondary CIU Prime as its counterpart, and
fulfills the Primary role (see FIGURE 3-7).
FIGURE 3-7 Ensite Pro: Hot standby configuration settings of the primary CIU Prime