Please note that some Respironics 920 models use Nonin SpO2 technology (the SpO2 connector will say "Nonin"), in this case, if the connector has 7 female holes order item S403-08T0 if the connector has 9 female holes order item S503-080.
Tidal Wave 710Sp, Tidal Wave 715Sp
512, 513, 710, 715, MARS
920, 920M, 920M Plus
FDA, CE, ISO 80601-2-61:2011, ISO10993-1, 5, 10:2003E, TUV, RoHS Compliant