MCS version 1.1.1 onwards API 5.1 is available compatible with MCM9000 6.3.1 and above.
API 5.1 is the extension of API 5.0, which supports the changes in Networks - Supported VLAN & LACP over 5.1 only, Encoder configuration logic (Audio alarm), KMS Updates (ATD-C), Channel Mapping (subs, cc, and audio bars) changed to a different indexing system, Notification agent (Audio Alarm), Tally configuration.