A fiber optic interface device for connecting at least one optical fiber of an optical fiber cable, comprising: a housing having a central axis, a front end, a recess at the housing front end, the housing recess defining first and second prongs on opposite sides of the recess, wherein said opposite sides constitute part of a housing exterior surface, and wherein said prongs serve as alignment features for connecting the fiber optic interface device, and an interior having a ferrule guide member attached to the housing and disposed therein; wherein the ferrule guide member comprises an interior wall with the housing interior, and an aperture in the interior wall configured to loosely contain the ferrule to move along the ferrule central axis; a ferrule having a central axis, a front section with a front end and a rear section with a rear end, wherein the front and rear sections (101, 103) are defined by a step with the rear section being wider than the front section, wherein the recess at the housing front end is configured to allow access to clean the ferrule front end, wherein the ferrule is configured to support the at least one optical fiber having an optical fiber end substantially at the ferrule front end, wherein the ferrule is moveably supported by the ferrule guide member with the ferrule central axis being aligned with the housing central axis; a resilient member disposed within the housing interior and operatively arranged therein to forward-bias the ferrule toward the housing front end; and first and second electrical contacts disposed on said opposite sides of said recess, with the first and second electrical contacts having respective first and second rear portions that extend into the housing interior. a housing having a central axis, a front end, a recess at the housing front end, the housing recess defining first and second prongs on opposite sides of the recess, wherein said opposite sides constitute part of a housing exterior surface, and wherein said prongs serve as alignment features for connecting the fiber optic interface device, and an interior having a ferrule guide member attached to the housing and disposed therein; wherein the ferrule guide member comprises an interior wall with the housing interior, and an aperture in the interior wall configured to loosely contain the ferrule to move along the ferrule central axis; a central axis, a front end, a recess at the housing front end, the housing recess defining first and second prongs on opposite sides of the recess, wherein said opposite sides constitute part of a housing exterior surface, and wherein said prongs serve as alignment features for connecting the fiber optic interface device, and an interior having a ferrule guide member attached to the housing and disposed therein; wherein the ferrule guide member comprises an interior wall with the housing interior, and an aperture in the interior wall configured to loosely contain the ferrule to move along the ferrule central axis; a ferrule having a central axis, a front section with a front end and a rear section with a rear end, wherein the front and rear sections (101, 103) are defined by a step with the rear section being wider than the front section, wherein the recess at the housing front end is configured to allow access to clean the ferrule front end, wherein the ferrule is configured to support the at least one optical fiber having an optical fiber end substantially at the ferrule front end, wherein the ferrule is moveably supported by the ferrule guide member with the ferrule central axis being aligned with the housing central axis; a resilient member disposed within the housing interior and operatively arranged therein to forward-bias the ferrule toward the housing front end; and first and second electrical contacts disposed on said opposite sides of said recess, with the first and second electrical contacts having respective first and second rear portions that extend into the housing interior. a central axis, a front section with a front end and a rear section with a rear end, wherein the front and rear sections (101, 103) are defined by a step with the rear section being wider than the front section, wherein the recess at the housing front end is configured to allow access to clean the ferrule front end, wherein the ferrule is configured to support the at least one optical fiber having an optical fiber end substantially at the ferrule front end, wherein the ferrule is moveably supported by the ferrule guide member with the ferrule central axis being aligned with the housing central axis; a resilient member disposed within the housing interior and operatively arranged therein to forward-bias the ferrule toward the housing front end; and first and second electrical contacts disposed on said opposite sides of said recess, with the first and second electrical contacts having respective first and second rear portions that extend into the housing interior.