CP-1972 is a first-generation Foxtrot central module in a customer (OEM) design without its own cover. The modules are equipped with a central unit (CPU) of the L series, which is designed for applications with performance requirements. It includes backed up CMOS RAM for user programs, data, tables, user registers and DataBox, Flash memory for user program backup, MMC / SD / SDHC memory card slot and real time circuit.