TB1:AC input terminal Pin No. 1 2 3 Assignment AC/L AC/N FG TB2:110/220V Change Pin No. 1 2 110V 220V Short Open Control Pin (CN3) : JST B6B-XH or equivalent Pin No. 1 2 3 Assignment DC_OK Signal DC_OK GND -S Pin No. 4 5 6 Assignment +S RCRC+ Mating Housing Terminal JST XHP or equivalent JST SXH-001T or equivalent