A fiber optic apparatus, comprising: a chassis for supporting a plurality of fiber optic components ; an equipment rack on which the chassis is mounted, wherein the equipment rack has one or more spaces for mounting the chassis , and wherein a space that has a width dimension of 48.26cm or 58.42 cm and a height dimension of 4.45 cm is a 1-U space; wherein the fiber optic apparatus includes: three fiber optic equipment trays disposed in the 1-U space; each fiber optic equipment tray supporting one or more fiber optic modules , and each fiber optic module supporting a plurality of the fiber optic components ; each fiber optic module having a form factor in which the plurality of fiber optic components is disposed through at least eighty-five percent (85%) of the width of the front side or face of the fiber optic module ; and the plurality of fiber optic components is disposed in the chassis in a configuration that provides for one of at least ninety-eight fiber optic connections in the 1-U space, at least one hundred twenty fiber optic connections in the 1-U space, and at least one hundred forty-four fiber optic connections in the 1-U space, based on using at least one simplex fiber optic component or duplex fiber optic component. a chassis for supporting a plurality of fiber optic components ; an equipment rack on which the chassis is mounted, wherein the equipment rack has one or more spaces for mounting the chassis , and wherein a space that has a width dimension of 48.26cm or 58.42 cm and a height dimension of 4.45 cm is a 1-U space; wherein the fiber optic apparatus includes: three fiber optic equipment trays disposed in the 1-U space; each fiber optic equipment tray supporting one or more fiber optic modules , and each fiber optic module supporting a plurality of the fiber optic components ; each fiber optic module having a form factor in which the plurality of fiber optic components is disposed through at least eighty-five percent (85%) of the width of the front side or face of the fiber optic module ; and the plurality of fiber optic components is disposed in the chassis in a configuration that provides for one of at least ninety-eight fiber optic connections in the 1-U space, at least one hundred twenty fiber optic connections in the 1-U space, and at least one hundred forty-four fiber optic connections in the 1-U space, based on using at least one simplex fiber optic component or duplex fiber optic component. three fiber optic equipment trays disposed in the 1-U space; each fiber optic equipment tray supporting one or more fiber optic modules , and each fiber optic module supporting a plurality of the fiber optic components ; each fiber optic module having a form factor in which the plurality of fiber optic components is disposed through at least eighty-five percent (85%) of the width of the front side or face of the fiber optic module ; and the plurality of fiber optic components is disposed in the chassis in a configuration that provides for one of at least ninety-eight fiber optic connections in the 1-U space, at least one hundred twenty fiber optic connections in the 1-U space, and at least one hundred forty-four fiber optic connections in the 1-U space, based on using at least one simplex fiber optic component or duplex fiber optic component. <EOS>