The invention relates to a telecommunications assembly comprising: a chassis adapted for connection to a rack; a tray assembly that removably mounts in the chassis, the tray assembly including: a tray; a cable spool rotatably mounted to the tray; a plurality of adapters mounted to the tray; and wherein the tray assembly can be inserted into and removed from the chassis as a unit without requiring the cable spool or plurality of adapters to be detached from the tray, the tray carrying the cable spool and the plurality of adapters during insertion and removal.