Update external library for rut955 router

Dear Expert.
I’m using RUT956 Router.
I download IEC60870 library from internet.
I want to use it in order to update IEC 60870-5-101 to 104 conversion function for serial port on router.
How can I add this library into firmware of router?

Hi John,

Good day, Please post your questions regarding RUT devices in separate Networks group forum. Thank you for your understanding. Here is the link: Latest Teltonika Networks topics - Teltonika Community