Compact high density central office fiber distribution system

A fiber distribution system (FDS), comprising:

• a rack mountable chassis;
• at least one fiber distribution rack configured to be mountable to the chassis;
• a plurality of splitter modules configured to be mounted internal to the at least one fiber distribution rack through one face of the at least one fiber distribution rack, comprising:
• a plurality of splitters disposed internal to each of the plurality of splitter modules;
• and
• a plurality of splice closure (SC) adaptors coupled to the plurality of splitters;
• and
• at least first and second spools, located on the rack mountable chassis on opposing sides of the one face in close proximity to at least one fiber distribution rack, the first spool configured to support a first portion of fiber cables when they are coupled to the splitter modules from a first opposing side of the one face and the second spool configured to support a second portion of fiber cables when they are coupled to the splitter modules from a second opposing side of the one face.