None: Sets the module so that it does not receive a signal from anywhere. Digital
Mute will be output.
RAVENNA: Connects the module to the RAVENNA network and allows any other
RAVENNA device to send signal to it.
AES 1-3: Sets the module being configured to receive signal from any of the 3 banks of
4xAES-EBU input pairs.
MADI 1-2: Enables the module being configured to receive signal from any 8-channel
bank in either of the MADI streams (MADI 2 appears only if the MADI
Expansion Card is fitted.)
A/D N: Sends the signal coming in from the Mic or Line input modules to the output
module being configured
Loopback: Should only be used for test purposes.