Hello
I have been tasked with taking over an Iwatsu system for a church/school. The problem is I've never worked with Iwatsu and the client doesn't have any documentation on the system.

Here's a few pictures I got of the system.
https://imgur.com/a/hiGsG

So from what I can see and have read here's where I am at.
It's on the network so it must have a IP but I am not sure if there is a way to find it?
I also believe that I can hook up to it via the RJ-45 to a FAX065 serial connector?
Then I'm down the rabbit hole of what programmer I need.
It seems like there's the old ADIX DOS then ADIX Windows then ECS?
Is it even possible to get these without being an authorized dealer?
Do I need to pull out the card labeled CCU to check the version?
If so what is the process for that as far as shutting down the system and starting it back up?
Also I'm guessing it's going to be password locked and might not be a the default one is there a way to get around this?

Any help would be appreciated.