A fiber optic network device comprising: an input port adapted to receive a multi-fiber cable having active optical fibers designated in a consecutive sequence from F1 to F12, a first plurality of optical fibers in sequence in the consecutive sequence F1 to F12 disposed within the fiber optic network device and extending from the input port, wherein the first plurality of optical fibers align to a first section of the consecutive sequence, and wherein the first section comprises a first four optical fibers from F1 to F4 in sequence in the consecutive sequence; a second plurality of optical fibers in sequence in the consecutive sequence F1 to F12 disposed within the fiber optic network device and extending from the input port, wherein the second plurality of optical fibers align to a second section of the consecutive sequence, and wherein the second section comprises a next eight optical fibers from F5 to F12 in sequence adjacent the first section in the consecutive sequence; a plurality of drop ports opening into the fiber optic network device, wherein the plurality of drop ports are adapted to optically couple ones of the first plurality of optical fibers from F1 to F4 to at least one drop cable external to the fiber optic network device according to a first port mapping scheme; and, a pass-through port (40, 140, 240) wherein the pass-through port (40, 140, 240) is adapted to optically couple a part of the plurality of optical fibers from F5 to F12 to a second fiber optic network device through a multi-fiber adapter having a plurality of connection ports positioned in a row, the fiber optic network device being characterised in that said consecutive sequence from F1 - F12 of the active optical fibers is a color-coded sequence of F1 - blue, F2 - orange, F3 - green, F4 - brown, F5 - slate, F6 - white, F7 - red, F8 - black, F9 - yellow, F10 - violet, F11 - rose, F12 - aqua, wherein the optical fiber color indicates the optical fiber in the consecutive sequence from F1 - F12, the fiber optic network device being further characterised in that the said pass-through port is adapted to optically couple the second plurality of optical fibers from F5 - F12 to the said second fiber optic network device through the multi-fiber adapter having the plurality of connection ports, wherein the connection ports of the multi-fiber adapter are positioned in a row in a sequence from P1 to P12 providing inner connection ports and wherein the second plurality of optical fibers from F5 to F12 optically connect to the plurality of connection ports in a central alignment from P3 to P10 at the pass-through port (40, 140, 240) according to a second port mapping scheme. an input port adapted to receive a multi-fiber cable having active optical fibers designated in a consecutive sequence from F1 to F12, a first plurality of optical fibers in sequence in the consecutive sequence F1 to F12 disposed within the fiber optic network device and extending from the input port, wherein the first plurality of optical fibers align to a first section of the consecutive sequence, and wherein the first section comprises a first four optical fibers from F1 to F4 in sequence in the consecutive sequence; a second plurality of optical fibers in sequence in the consecutive sequence F1 to F12 disposed within the fiber optic network device and extending from the input port, wherein the second plurality of optical fibers align to a second section of the consecutive sequence, and wherein the second section comprises a next eight optical fibers from F5 to F12 in sequence adjacent the first section in the consecutive sequence; a plurality of drop ports opening into the fiber optic network device, wherein the plurality of drop ports are adapted to optically couple ones of the first plurality of optical fibers from F1 to F4 to at least one drop cable external to the fiber optic network device according to a first port mapping scheme; and, a pass-through port (40, 140, 240) wherein the pass-through port (40, 140, 240) is adapted to optically couple a part of the plurality of optical fibers from F5 to F12 to a second fiber optic network device through a multi-fiber adapter having a plurality of connection ports positioned in a row, the fiber optic network device being characterised in that said consecutive sequence from F1 - F12 of the active optical fibers is a color-coded sequence of F1 - blue, F2 - orange, F3 - green, F4 - brown, F5 - slate, F6 - white, F7 - red, F8 - black, F9 - yellow, F10 - violet, F11 - rose, F12 - aqua, wherein the optical fiber color indicates the optical fiber in the consecutive sequence from F1 - F12, the fiber optic network device being further characterised in that the said pass-through port is adapted to optically couple the second plurality of optical fibers from F5 - F12 to the said second fiber optic network device through the multi-fiber adapter having the plurality of connection ports, wherein the connection ports of the multi-fiber adapter are positioned in a row in a sequence from P1 to P12 providing inner connection ports and wherein the second plurality of optical fibers from F5 to F12 optically connect to the plurality of connection ports in a central alignment from P3 to P10 at the pass-through port (40, 140, 240) according to a second port mapping scheme.