When deploying a cascade of RM61 microphones, you can connect up to 3 Avaya Room Expansion Microphone RM61-EXP to the primary Avaya Room Microphone RM61. Using a PoE connection is a recommended option for cascading RM61 microphones.

The following diagrams show PoE and analog 3.5mm connections when deploying a cascade of RM61 microphones:

PoE connection

Analog 3.5 mm connection