A220- Communications

Question 1

What happens when the the SERV INT switch light is pressed?

Answer 1

Pressing the SERV INT switch light activates the intercom in the forward, mid, and
aft equipment bay panels, and on the low‐pressure ground connection panel. The
switch light ON message is illuminated.

Question 2

What happens when the CAB CALL button is pressed for more than 3 seconds?

Answer 2

When the CAB CALL button is pressed for more than 3 seconds, an
emergency/priority cabin call is generated. In this case, a triple chime sounds and the red
advisory lights flash in the cabin.