MyPBX U100/U200 Administrator Guide
45/195
is the same on both units but different from their former IP address.
Network Connection Detection: Generally it requires the IP address of the
router or gateway that connects both units. MyPBX will connect another unit
through this IP address.
Down Notification: The way of informing customer that the system down.
Keep Alive: Every 2 seconds, a package will be sent from one unit to another,
which can test whether they are working properly.
Dead Time: The default setting is 120 seconds. If there’s no response within
120s after one receiving a package from the other, then the normal working unit
will figure the other unit is dead and send an email or SMS to report the failure.