Patent ID: 9237664
Filing Date: 2016-01-12
CPC Classification: H05K,Y10T

Claim Text:
1. A multi-module keying system, comprising: a chassis; a first fan module slot that is located on the chassis; a second fan module slot that is located on the chassis; and a keying device that is movably coupled to the chassis and that includes a first keying member that is located adjacent the first fan module slot and a second keying member that is located adjacent the second fan module slot, wherein the keying device moves in response to a first keyed fan module being positioned in the first fan module slot such that the first keyed fan module engages an interior of the first keying member, and wherein the movement of the keying device positions the second keying member adjacent the second fan module slot to restrict fan modules that may be positioned in the second fan module slot to only second keyed fan modules that are the same airflow direction type fan modules as the first keyed fan module.