(12.01-en) UMS Contacting Devices
IGEL OS 12
For IGEL OS 12 devices, no additional channel is opened. An existing WebSocket (TCP 8443) is used.
IGEL OS 11 or Earlier
To communicate with IGEL OS 11 devices, the UMS initiates a TCP connection to the device's UMS agent using port 30005.
The following figure illustrates the communication between the UMS and the devices: