Tested the forward voltage for the ACB photo diodes. BSC1 Flange F1-3C1 (air side). Pin 1&2 PD forward voltage: 0.412V Pin 4&5 PD forward voltage: 0.428V Pin 7&8 PD forward voltage: 0.422V Pin 10&11 PD forward voltage: 0.428V All results within spec. Filiberto Clara