A cassette (500, 900, 1000) comprising: a cassette body (510, 910, 1007) defining an interior and having a first port end (501, 901, 1001) and a second port end (502, 902, 1002), the cassette body (510, 910, 1007) including a connection section, a first fiber management section extending outwardly from the first port end (501, 901, 1001) of the cassette body (510, 910, 1007) towards a first side of the cassette body (510, 910, 1007), a second fiber management section extending outwardly from the first port end (501, 901, 1001) of the cassette body (510, 910, 1007) towards a second side of the cassette body (510, 910, 1007), and a third fiber management section extending outwardly from the second port end (502, 902, 1002) of the cassette body (510, 910, 1007), the first and second fiber management sections extending from outer locations of the first port end (501, 901) and the third fiber management section extending from an intermediate location of the second port end (502, 902); a plurality of ports (753, 1026, 1027) disposed in the connection section and each configured to receive an optical connector from an exterior of the cassette body (510, 910, 1007), the plurality of ports including at least a first port disposed at the first port end (501, 901, 1001) of the connection section between the first and second fiber management sections, at least one second port (753, 1027) disposed at the second port end (502, 902, 1002) of the connection section towards the first side of the cassette body (510, 910, 1007), and at least one third port (753, 1027) disposed at the second port end (502, 902, 1002) of the connection section towards the second side of the cassette body (510, 910, 1007); and an optical fiber arrangement (535, 970, 1150) disposed within the cassette body (510, 910), the optical fiber arrangement (535, 970, 1150) optically coupling the first port with the second port. a cassette body (510, 910, 1007) defining an interior and having a first port end (501, 901, 1001) and a second port end (502, 902, 1002), the cassette body (510, 910, 1007) including a connection section, a first fiber management section extending outwardly from the first port end (501, 901, 1001) of the cassette body (510, 910, 1007) towards a first side of the cassette body (510, 910, 1007), a second fiber management section extending outwardly from the first port end (501, 901, 1001) of the cassette body (510, 910, 1007) towards a second side of the cassette body (510, 910, 1007), and a third fiber management section extending outwardly from the second port end (502, 902, 1002) of the cassette body (510, 910, 1007), the first and second fiber management sections extending from outer locations of the first port end (501, 901) and the third fiber management section extending from an intermediate location of the second port end (502, 902); a plurality of ports (753, 1026, 1027) disposed in the connection section and each configured to receive an optical connector from an exterior of the cassette body (510, 910, 1007), the plurality of ports including at least a first port disposed at the first port end (501, 901, 1001) of the connection section between the first and second fiber management sections, at least one second port (753, 1027) disposed at the second port end (502, 902, 1002) of the connection section towards the first side of the cassette body (510, 910, 1007), and at least one third port (753, 1027) disposed at the second port end (502, 902, 1002) of the connection section towards the second side of the cassette body (510, 910, 1007); and an optical fiber arrangement (535, 970, 1150) disposed within the cassette body (510, 910), the optical fiber arrangement (535, 970, 1150) optically coupling the first port with the second port.