TCP connection
The TCP connection between an XBee and Remote Manager is dependent on the device's firmware version. Options are to query Remote Manager once a day or to maintain a persistent TCP connection.
To determine which connection method is being used, refer to the version listed below.
| Module | Upgrade firmware version |
|---|---|
| XBee 3 CAT 1 | 31011 |
- At or above the listed version: If your firmware version is at or above the listed version, your device queries Remote Manager only once a day. The device connects to Remote Manager, queries Remote Manager for updates and then receives updates. When the update is complete, the device disconnects from Remote Manager.
If you upgrade to the new firmware version, it is recommended that you keep the polling frequency low to reduce data usage. In order to upgrade firmware in the future, refer to Example: Schedule a task to update the device firmware using Remote Manager.
Note If you wish to restore the persistent connection behavior that was the default in prior firmware versions, see Restore persistent connection to a remote XBee.
- Below the listed version: If your firmware version is below the listed version, a persistent TCP connection is used by default. The device is continually connected to Remote Manager using TCP.
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