comprising:

a base pan;

a line-card cage assembly having a plurality of line-card slots for serviceably receiving a plurality of line-cards;

a fence bracket attached to the line-card cage assembly;

a liquid line assembly modularly installed within the base pan, the liquid line assembly having a liquid supply line and a liquid return line each terminated, at an interior end, at a liquid manifold that is modularly attached to a front-end bulkhead of the base pan and, at an exterior end, with a detachable leak-proof liquid coupler for liquid interface to rack liquid lines of a server rack; and

a fiber shuffle tray having a plurality of fiber shuffle assemblies that guide optical fibers between faceplate optical connectors and optical blindmate connectors on the fence bracket;

wherein the liquid manifold at the interior end of the liquid supply line and the liquid manifold at the interior end of the liquid return line each include a detachable leak-proof liquid coupler configured for liquid blindmate to one of the plurality of line-cards.