A fiber optic network (310, 410) having a multi-level architecture, the network comprising: a branch (416, 616) having a plurality of branch optical fibers (F1-F12) adapted to be optically coupled to a distribution cable having distribution cable optical fibers (F1-F12); characterized by sub-branches (316, 516, 716), each sub-branch (316, 516, 716) having a plurality of sub-branch optical fibers (F3, F4, F9, F10), wherein the sub-branch (316, 516, 716) is located downstream of the branch (416, 616) in the fiber optic network, the sub-branch (316, 516, 716) being in closer optical connection proximity to a subscriber premises than the branch (416, 616); a branch network device positioned in the branch (416, 616) and having at least one pass-though port (132, 232) adapted to receive a preconnectorized multi-fiber connector (136, 236) for optically coupling ones of the plurality of the branch optical fibers with ones of the plurality of the sub-branch optical fibers; a sub-branch device (318, 418, 518) provided by an optical connection terminal positioned in the sub-branch (316, 516, 716), wherein the sub-branch device (318, 418, 518) has a drop port adapted to optically couple a drop cable to the distribution cable through the sub-branch device (318, 418, 518) and the branch device via at least one of the plurality of the sub-branch optical fibers and at least one of the plurality of the branch optical fibers, wherein the at least one of the plurality of the sub-branch optical fibers of each sub-branch (316, 516, 716) and at least one of the plurality of the branch optical fibers of the branch (416, 616) are optically connected to a certain ports (P1-P12) on the preconnectorized multi-fiber connector (136, 236) based on the drop port according to a predetermined port mapping scheme such that identifying the distribution cable optical fiber (F1-F12) identifies the drop port and, thereby, the drop cable optically connected to the drop port. a branch (416, 616) having a plurality of branch optical fibers (F1-F12) adapted to be optically coupled to a distribution cable having distribution cable optical fibers (F1-F12); sub-branches (316, 516, 716), each sub-branch (316, 516, 716) having a plurality of sub-branch optical fibers (F3, F4, F9, F10), wherein the sub-branch (316, 516, 716) is located downstream of the branch (416, 616) in the fiber optic network, the sub-branch (316, 516, 716) being in closer optical connection proximity to a subscriber premises than the branch (416, 616); a branch network device positioned in the branch (416, 616) and having at least one pass-though port (132, 232) adapted to receive a preconnectorized multi-fiber connector (136, 236) for optically coupling ones of the plurality of the branch optical fibers with ones of the plurality of the sub-branch optical fibers; a sub-branch device (318, 418, 518) provided by an optical connection terminal positioned in the sub-branch (316, 516, 716), wherein the sub-branch device (318, 418, 518) has a drop port adapted to optically couple a drop cable to the distribution cable through the sub-branch device (318, 418, 518) and the branch device via at least one of the plurality of the sub-branch optical fibers and at least one of the plurality of the branch optical fibers,