The issue you've encountered is likely a bug and upgrading to a newer FW version may help solve it.
The Wiki page for the RMS WebUI page is here. Based on your description, everything related to RMS is enabled and working. "Connection type: Standby" simply means that your device will attempt to connect to RMS every 6 hours (instead of every 5 minutes when it is set to "Enabled").
From the linked article:
Enabled - the device attempts to connect to RMS every 2-5 minutes (every 2 minutes the first hour; then every 5 minutes). If it cannot connect for 14 days, it will enter Standby mode.
Standby - the device attempts to connect to RMS every 6 hours.
Disabled - RMS functionality is disabled
This information is also available in the WebUI (if you hover the mouse cursor over the question sign symbol):