An interface device comprising: a test adapter assembly comprising: a test adapter frame having a first pair of opposing sides, a second pair of opposing sides and an engagement mechanism support member, said second pair of opposing sides being shorter than said first pair of opposing side, said first and second pairs of opposing sides forming a test adapter face; and a collar support member, said collar support member having a plate portion mounted to one of said second pair of opposing sides of said test adapter frame and a collar mounting portion; a collar mounted to said collar mounting portion of said collar support member; a clamp; and an engagement mechanism mounted to said engagement mechanism support member in said test adapter frame, said engagement mechanism comprising: a spring lock nut; a lead screw drive comprising a housing having interior threads, an Acme lead screw in said housing, and a spring lock pin having at least one retractable locking tab; and a handle connected to said spring lock nut; and a receiver comprising: a frame; a channel for receiving said spring lock pin; and means within said channel for engaging said at least one locking tab, wherein said collar mounting portion extends from said plate portion at an angle of 40-50° relative to said face of said test adapter frame; said clamp is movably mounted to said collar; and a cover is provided, slidingly mounted in said collar, said cover being configured to cover a portion of the opening in the collar remaining open after said clamp is tightened in said collar to hold a wiring bundle in the test adapter. a test adapter assembly comprising: a test adapter frame having a first pair of opposing sides, a second pair of opposing sides and an engagement mechanism support member, said second pair of opposing sides being shorter than said first pair of opposing side, said first and second pairs of opposing sides forming a test adapter face; and a collar support member, said collar support member having a plate portion mounted to one of said second pair of opposing sides of said test adapter frame and a collar mounting portion; a collar mounted to said collar mounting portion of said collar support member; a clamp; and an engagement mechanism mounted to said engagement mechanism support member in said test adapter frame, said engagement mechanism comprising: a spring lock nut; a lead screw drive comprising a housing having interior threads, an Acme lead screw in said housing, and a spring lock pin having at least one retractable locking tab; and a handle connected to said spring lock nut; and a test adapter frame having a first pair of opposing sides, a second pair of opposing sides and an engagement mechanism support member, said second pair of opposing sides being shorter than said first pair of opposing side, said first and second pairs of opposing sides forming a test adapter face; and a collar support member, said collar support member having a plate portion mounted to one of said second pair of opposing sides of said test adapter frame and a collar mounting portion; a collar mounted to said collar mounting portion of said collar support member; a clamp; and an engagement mechanism mounted to said engagement mechanism support member in said test adapter frame, said engagement mechanism comprising: a spring lock nut; a lead screw drive comprising a housing having interior threads, an Acme lead screw in said housing, and a spring lock pin having at least one retractable locking tab; and a handle connected to said spring lock nut; and a spring lock nut; a lead screw drive comprising a housing having interior threads, an Acme lead screw in said housing, and a spring lock pin having at least one retractable locking tab; and a handle connected to said spring lock nut; and a receiver comprising: a frame; a channel for receiving said spring lock pin; and means within said channel for engaging said at least one locking tab, wherein said collar mounting portion extends from said plate portion at an angle of 40-50° relative to said face of said test adapter frame; said clamp is movably mounted to said collar; and a cover is provided, slidingly mounted in said collar, said cover being configured to cover a portion of the opening in the collar remaining open after said clamp is tightened in said collar to hold a wiring bundle in the test adapter. a frame; a channel for receiving said spring lock pin; and means within said channel for engaging said at least one locking tab, wherein said collar mounting portion extends from said plate portion at an angle of 40-50° relative to said face of said test adapter frame; said clamp is movably mounted to said collar; and a cover is provided, slidingly mounted in said collar, said cover being configured to cover a portion of the opening in the collar remaining open after said clamp is tightened in said collar to hold a wiring bundle in the test adapter.