... Output wave: Square wave B). Output signals: A, B, (Line driver output A, A, B, B phase) C). Current consumption ... Open collector NPN (make sure this output) Other output " Push pull, Line driver, Voltage " ,Pls Connect US2. MECHANICAL SPECIFICATIONS A). Signal ... life: MTBFe10000h (+25*C, 2000rpm) G). Weight: Appraisal 740g 3. ENVIRONMENTAL SPECIFICATIONS A). Working humidity: 30~85% (No condensation) ...