AJAX Hub 2 Plus User Manual page 25

(Central Monitoring Station) only when transmitting an event. If the option
is disabled, the connection is maintained continuously. The option is
available only for the SIA protocol.
Object number — the number of an object in the monitoring station (hub).
Primary IP address
IP address and Port are settings of the primary IP address and port of the
security company server to which events and alarms are sent.
Secondary IP address
IP address and Port are settings of the secondary IP address and port of
the security company server to which events and alarms are sent.
Alarm sending channels