Yamaha MY16-EX Card : EtherSound - 16 In x 16 Out
The Yamaha MY16-EX Card is a 16-channel I/O expansion card for use with MY16MD64 and MY16ES64; two RJ45 cascade connectors, uses standard CAT5 cables for interconnect.
Yamaha NY64-D : Dante Expansion Card
The NY64-D is a Dante expansion card for Yamaha TF series consoles. Used in conjunction with the Yamaha Tio1608-D I/O it becomes possible to create a versatile stage box system with up to 40 inputs and 24 outputs.