Complex sentence: The box itself contains all the circuitry needed to split the data and voice channels, an ethernet cable is run directly to the customer's PC or router, and the POTS lines within the home are connected to the POTS terminals inside the CPE unit.
Split into simpler sentences: The box itself contains all the circuitry needed to split the data and voice channels. An ethernet cable is run directly to the customer's PC or router, and the POTS lines within the home are connected to the POTS terminals inside the CPE unit.