The ESP3 protocol is designed to transfer information between EnOcean device and host using UART interface.

Telegrams received/transmitted with the ERP protocol can be encapsulated by ESP3 and transfered to the UART interface.

With ESP3 the radio telegrams are encapsulated 1:1 inclusive the TEL_PARAM_TYPE structure for ERP1 or or the TEL_PARAM_TYPE2 structure for ERP2.

Features of ESP3 are summarized in this table:

	ESP3
Device Support	Supported by Dolphin and DolphinV4 Platform
Data Overhead	6 bytes
Max. Payload	65535 bytes
Speed	device specific, default 57600
Type of data	Any type of data
Max. number of data types	255
Data verification	8bit CRC
Versioning support	Yes
Basic data structure	Packet

See References, EnOcean Serial Protocol 3.pdf.