No requirement to ID. Search the site and 100's of arguments over it. As long as you ID your good.
You need RX Audio, COR (carrier relay) and ground from the receive radio (467.xxx). On TX radio you need TX Audio (Mic High), Ground and PTT.
On the Motorola COR to PTT, RX Audio to TX audio and Ground to Ground. Should be similar on this radio.
Many controllers incorporate ID, audio processing and other features.