This piece of furniture displays the current combat situation in the fight between the resistance and the enlightend.
The floor is lit up in the color of that faction, that holds the majority of the portals in the displayed area. The portals are shining in green or blue, depending on the faction. A portal can also shine red (it is under attack) or white/gray, then it is neutral.
To power it up, make sure it has power and network (sockets below the table), then switch it on and wait at least 5min, before trying again. The table needs some time to boot up.
The ingress table also has 8 USB Outlets to charge your phone, you just need to bring a micro-usb cable.