Digi ConnectPort X4 User's Guide Page 165

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Configuration through the web interface
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A timed connection is another form of a device-initiated connection. For a timed connection, the
Device Cloud-registered device attempts to connect to the Device Cloud Server at a configured,
regular interval (period). If a connection to an Device Cloud Server is already established, the
timed connection will not be attempted. The next attempt for a timed connection will occur at the
next scheduled interval.
A paged connection is another form of a device-initiated connection. This type of connection is
initiated by an on-demand request, such as a Short Message (SM) received via a cellular modem
from a mobile service provider. The request message may specify the Device Cloud platform with
which the Device Cloud-registered device should connect, or it may simply request that the device
connect to the Device Cloud platform configured in the Paged Device Cloud Connection settings.
Paged Device Cloud Connections require both the global SMS configuration (Configuration >
Mobile > Short Message Service Settings > Enable cellular Short Message Service (SMS)
capabilities to be enabled, and the Configuration > Device Cloud > Short Messaging > Device
Cloud SMS Settings > Enable Device Cloud SMS settings, along with the current Phone Number
and Service ID settings.
Device IP address updates
Changes to the IP address for an Device Cloud-registered device present a challenge in Device
Cloud server-initiated connections, because Device Cloud needs to locate the Device Cloud-
registered device by its new IP address. Device Cloud devices handle address changes by sending a
device IP address update to Device Cloud. An IP address update permits Device Cloud to connect
back to the Device Cloud-registered device, or to dynamically update a DNS with the IP address of
the Device Cloud-registered device.
Device-Initiated Device Cloud Connection settings
Enable Device-Initiated Device Cloud Connection: Configures the connection to
Device Cloud to be initiated by the Device Cloud-registered device.
Device Cloud Server Address: The IP address or hostname of the Device Cloud
platform.
Automatically reconnect to Device Cloud after being disconnected
Reconnect after: Whether to automatically reconnect to Device Cloud after being
disconnected and waiting for the specified amount of time.
Server-Initiated Device Cloud Connection settings
Enable Server-Initiated Device Cloud Connection: Configures the connection to the
Device Cloud server to be initiated by Device Cloud.
Enable Device IP Address updates to the following server: Enables or disables a
connection to Device Cloud to inform Device Cloud of the IP address of the Device
Cloud-registered device, known as a device IP address update. This permits Device
Cloud to connect back to the Device Cloud-registered device, or to dynamically update
a DNS with the IP address of the Device Cloud-registered device.
Device Cloud Server Address: The IP address or hostname of the Device Cloud
platform.
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