Like most vendors.. they don't want you doing this yourself.

Communication The LIS/HIS function of BC-30s enables the communication between the analyzer and the PC in laboratory through Ethernet, including sending analysis results to and receiving worklist from PC. The LIS/HIS communication protocol involved in communication of BC-30s are 15ID and HL7. For details about the connection control, and the introduction, message definition and examples, please contact Mindray Customer Service Department or your local distributor.

This was taken from https://keul.de/media/pdf/mindray/BC-30s_handbuch.pdf