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579Dimensions in millimeters (inch) unless otherwise stated6.5 (.256)4 (.157)10 (.394)4 (.157)Receptacle 1Ø 3.4 (.134)Receptacle 2Ø 3.4 (.134)2 (.078)14.5 (.571)3±0.05 (.118±.002)22 (.866)12±0.05 (.472±.002)8 (.314)5±0.05 (.197±.002)Ø 1.4 (.055)M2.5 x 0.45-6H thread x 6mm deepØ 1.7 2.5 (.098) (.067)X Receptacle 1 Position Y Receptacle 2 Position Rotation Receptacle Position1 0˚2 45˚3 90˚4 135˚5 180˚6 225˚7 270˚8 315˚9 N/A0 N/A2.5 (.098)2 xØ 1.45 (.057)5±0.05 (.197±.002)18 ±0.05 (.709±.005)2 (.079)2.5 (.098)22 (.866)9±0.05 (.354±.002)2 x Ø 3.7(.146)4 (.157)10 (.394) 4 (.157)6.5 (.256)14.5 (.571)2 (.079)M2.5 x 0.456H thread6mm deepACTUAL SIZEACTUAL SIZECN - 69 - X - Ywww.southco.com/CN1• Mates with pinsMaterial and FinishZinc alloy, nickel platedNotesReceptacle module rotation position must mate with keying module rotation positionATCA is a registered trademark of PICMG® - PCI Industrial Computer Manufacturers Group, Inc.CN ATCA® Inject / Eject MechanismAlignment receptacle modulesK1 - K2 Front BoardrK1 Rear Transition Module Part NumberCN-79