MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Data transfer channels txd and rxd, full/half duplex; data transfer rates are 2, 400...115, 200 baud; default: 9, 600 baud, 8 data bits, no parity and one stop bit; bit transfer with differential signal; cable length is approx 1, 000 m twisted pair; interfaces are rs422/rs485 (differential input); power supply via the e-bus; current consumption e-bus typical 220 ma