Patent ID: 6831844
Filing Date: 2004-12-14
Classification: H05K

Abstract:
An electronic circuit unit for use in an electronic equipment cabinet, said electronic circuit unit comprising:a. first and second opposite main walls including EMI absorbing material; b. a motherboard frame between said main walls, said motherboard frame including a plurality of wall segments defining a polygon, said motherboard frame including EMI absorbing material; c. first and second locating retainers on said motherboard frame; d. a signal-processing module forming at least a portion of said first main wall, said signal-processing module being removably mounted to said motherboard frame; e. a generally planar motherboard in said motherboard frame fastened to said motherboard frame by said first locating retainer, said first locating retainer being positioned on said motherboard frame to locate said motherboard between said main walls; f. said signal-processing module being fastened to said motherboard frame by said second locating retainer; g. at least one electrical connector including first and second mating parts, said first mating part being on said motherboard, said second mating part being on said signal-processing module; h. said first and said second locating retainers being positioned relative to one another to allow said first and said second mating parts to align and mate when said signal-processing module is fastened to said motherboard frame.