The Samsung interface has been specially designed to allow bidirectional control and monitoring of Samsung NASA VRF systems from a KNX installation. You can 4 indoor unit at same time with 2 independent connection ports with this product.
Direct connection to indoor unit bus and KNX bus
Fully control of indoor unit system
Up to 300meter cable distance between indoor unit and gateway
For complex automation scenarios: 8 converters and 4 logic blocks.