The CP45ARJ allows you to attach one APM paging console on the front, while the phoenix connector on the back lets you route the signal to a next paging console or junction box. It can offer 24V power to the APM console and is also equipped with 2 jumpers to terminate the audio -or databus. The 45 x 45 mm size is compatible with AUDAC, Niko, Legrand and other standard 45 x 45 mm Mounting frames and cover plates.