The unit is referred to as the Network Termination Equipment (NTE) or RAD box.
It is used to ‘bond’ the multiple lines that are used on an EFM connection into one circuit. There are RJ45 Network ports on the rear that allow you to plug your own equipment such as routers in.
The front of the LA-210 includes LED lights that can indicate the state of the unit and the connection.
The LA-210 has 4 RJ-45 network ports that the you can plug your own router into.