AJAX Hub 2 User Manual page 20

PD 6662 Setting Wizard
Opens a step-by-step guide on how to set up your system to comply with the
British security standard PD 6662:2017.
Learn more about PD 6662:2017
How to con gure the system to comply with PD 6662:2017
Server Connection
The menu contains settings for communication between the hub and the Ajax
Cloud:
Server Ping Interval (sec). Frequency of sending pings from the hub to
Ajax Cloud server. It is set in the range of 10 to 300 s. The recommended
default value is 60 s.
Connection Failure Alarm Delay (sec). It is a delay to reduce the risk of a
false alarm associated with the Ajax Cloud server connection loss. It is
activated after 3 unsuccessful hub-server polls. The delay is set in the
range of 30 to 600 s. The recommended default value is 300 s.
The time to generate a message regarding the loss of communication
between the hub and the Ajax Cloud server is calculated using the following
formula:
With the default settings, Ajax Cloud reports the hub loss in 9 minutes:
Restoration After Alarm
Arming/Disarming Process
Devices Auto Deactivation
(Ping interval * 4) + Time lter
(60 s * 4) + 300 s = 9 min