Yamaha MY4-AEC Owner's Manual page 18

Remote Connection and Settings
1
Connect the microphones, speakers, and teleconferencing system to the
analog [IN] and [OUT] connectors on the rear panel of the DME24N as
shown in the diagram.
Four microphones can be connected at the near-end location, allowing multiple
conference participants.
Office X
(Remote –
Far End)
Network
18
MY4-AEC Owner's Manual
Meeting Room (Near End)
OUT
(Analog)
DME24N
+
MY4-AEC
IN/OUT (Analog)
Teleconferencing system
Speaker 1
Speaker 2
IN (Analog)
Microphone 1
Microphone 2
Microphone 3
Microphone 4