Polycom SoundStructure C16 Design Manual page 171

shows moving Ceiling Mic 1 A from input 12 to input 5 to make it possible to connect an analog input to input
12.
Moving Microphones between Physical Inputs
If any changes are made to the wiring page, please make sure to save the file from the File Save menu
option so that the updated virtual channel definitions are saved in the configuration.
Polycom, Inc. 171