The top one is a top one and pretty standard for many types. The bottom one is also a bottom one.
OK, top of the tube attached to the mask, hose attached to the top one. Bottom connected to aircraft supply and 'tother end of hose.
Definitely not a V-force connector rear crew. IIRC, post-swivel seat mode the bottom connector was green but that is a distant memory. Pre-swivel seat the rear connector would have made a good hammer.