Isolated Rs 485 Transceivers Ti

The terminal box connects to two transceivers

In a wired, the handset contains the transmitter (for speaking) and receiver (for listening). Despite being able to transmit and receive data, the whole unit is colloquially referred to as a "receiver". On a or other, the entire unit is a transceiver for both audio and radio. A uses an audio and radio transceiver for the handset, and a radi.