Connection to the Raspberry Pi is realized via the GPIO connector and via a (short) Ethernet cable. Interface SPI0 is for main configuration, using either CE0# or CE1#.
Additional information on use cases, programming interfaces etc. can be found on [InnoRoute's website](https://innoroute.com/realtimehat/)., e.g., on using the HAT as an **endpoint in Time-Sensitive Networks**, as a **3-port Ethernet switch**, or to **measure and monitor** every kind of the traffic forwarded through the HAT.
To install the necessary software, use the following commands: