There a few requirements that have to be met for the Gateway to function correctly:
It requires power ether via the standard power cord or it can be connected using a Power over Ethernet (POE) cable. Both ways are fine as long as it's powered constantly.
To communicate with the GoBright platform an ethernet cable is required. As discussed above it can be a POE cable to act as a power source as well. WiFi is not available on the Gateway.
The time must be configured on a Gateway using NTP. Please refer to the article below on how to setup NTP correctly: