Overview Reviews Product Description SIEMENS COMMOD VL Communication Module Power Supply Frame DG-PG, MLFB #3VL9000-8AS01 Class 2 Power Only With ZSI. Product Videos Custom Field Product Reviews Write a Review Write a Review × SIEMENS COMMOD VL Communication Module Power Supply Frame DG-PG, MLFB #3VL9000-8AS01 Class 2 Power Only With ZSI Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *