US Patent 11789227 Fiber optic cassettes and splice modules

A fiber optic cassette includes a cassette body, the cassette body extending along a longitudinal axis between a front and a rear, extending along a lateral axis between a first side and a second side, and extending along a transverse axis between a bottom and a top. The fiber optic cassette further includes a plurality of fiber optic adapter apertures defined at the front of the cassette body. The fiber optic cassette further includes a side channel defined at the first side of the cassette body, the side channel including an entry aperture spaced from the rear of the cassette body along the longitudinal axis. The fiber optic cassette further includes a splice module receptacle defined in the cassette body.