A connector for connecting a flexible elongate member having a sensor mounted thereon to a physiology monitor includes a housing, an electrical contact member disposed within the housing, the electrical contact member having a plurality of axially spaced contact members, a cable having a plurality of conductors being electrically connected to respective axially spaced contact members, and a sleeve having an opening therein which communicates with an internal passage of the housing. The sleeve is moveable between an open position and a closed position. An interlock mechanism may also be provided to prevent the sleeve from moving from the open position to the closed position.