quotations are here by invited for the ni cdaq module ni9401-a. product name: ni 9401 b. signal level: 5v/ttl, c. bidirectional d i/o channels: 8 d. update rate: 100 ns e. conformal coating: not required f. basic warranty required; g. 1-year repair coverage; h. no calibration plan required; i. no additional accessories required..