... the flow of media conversion , a pulse signal for remote use. Smith-I,II,III< ... 3>Technical parameters1, The output signal: filling voltage pulse. High closer power, low level of less ... Feature1, a three-line system (power line is the signal line and the power line and ground).2, non-contact ... Ex. Technical parameters1 ,The output signal: filling voltage pulse. High closer power, low level of less than ...