The Networx NX-8e and NX-8V2 are supported, but that looks like it is actually an older NX-8 model which is incompatible with Alarm.com communication modules. The comnmunication device shown in images is an old Alarm Path Echo unit, it is not used for Alarm.com. Surety provides service for Alarm.com compatible panels.
Here is a guide on how to use an Interlogix NX panel, or replace it with a newer panel. I don’t believe the panel in your image would be compatible, however. I would need to see the labeling on the board inside the Networx panel housing to confirm exact model information.
You may be able to use existing wired sensors with a Wired to Wireless translator and an IQ Panel 4, IQ Hub, or you could use the IQ Pro which is a hybrid panel which has onboard wired sensors inputs.