CEDIA ESPA EST Practice Test

Answer - D - The statement that is not true about UPB is that UPB is slower than PLC.

Key Takeaway: Universal Powerline Bus, or UPB, is a standard for the communications over electrical wiring between controlled devices in a home automation system. It is based on the X-10 PLC protocol. It is compatible with PLC protocols and has a transmission reliability of over 99 percent. It uses a 40-volt transmission versus the 4-volt transmission of PLC and is 30 times faster than PLC. It supports up to 64,000 addresses.