Please explain "Encapsulated Interface Transport" from modbus spec.?

The following section from modbus protocol spec. Encapsulated Interface Transport for Device Identification. Please explain how to use Function Code 43 and its MEI Type 14. What do they mean by...
Please explain "Encapsulated Interface Transport" from modbus spec.?

The following section from modbus protocol spec. Encapsulated Interface Transport for Device Identification. Please explain how to use Function Code 43 and its MEI Type 14. What do they mean by...
Where can I find detail description about RTX51_TINY?

I had read the manual and example about Rtx51 tiny, but I still can't using it , especially using the switch taskings. I want find some more detail description about it, or If someone have some good examples...
Where can I find detail description about RTX51_TINY?

I had read the manual and example about Rtx51 tiny, but I still can't using it , especially using the switch taskings. I want find some more detail description about it, or If someone have some good examples...
What are the compile option differences between --specs=nosys.specs and --specs=rdimon.specs in arm-none-eabi-gcc?

1. As title. and what time I need to add options ? I know add --specs=nano.specs thas is mean using newlib-nano when I use arm-none-eabi-gcc. In readme, rdimon is for semihosting. Nosys is for...