Pulse Cable of Energy Meter Calibration Test Bench

For pulse signal ,if the tested meter is pulse output, the user can make the optic-electric scanner of the bench disconnect with the optic-electric input end of PTC-8001,and through the dedicated wiring, connect the pulse output end of the tested meter with the optic-electric input end of PTC-8001,the red clip connects to the high end of pulse output of the tested meter,the black clip connects to the low end of pulse output .
The pulse cable includes 2 clips(red and black), the corresponding cables, and a 5 hole plug. The diagram is as follows: