I'll assume you don't have any questions with cabling so I'll leave that for now.
The biggest issue is finding out the initial IP address of each unit when you first power them on. Generally, you will have a router in your home that hands out IP addresses to new devices when they first connect to the internal home network. You will need to open a browser on your home PC and browse to the web interface of your router and login.
A lot of routers default to
http://192.168.0.1 and more often than not the username is admin and the password is admin.
Once you are logged in, you want to find the list of DHCP leases that the router has handed out. You may need to consult your router documentation or do some Google searching for your specific model of router. If you don't get anywhere, post your router brand and model number and I'll look up the steps for you.
Once you've found the IP address of each of your units you can simply browse to their IP address:
http://192.168.0.XXX and configure the pool and worker information. The default username/password for the Jupiter, I believe is admin/admin.
