Rack & Stack.

A new server that arrives on a pallet is not yet a working part of your environment. Someone has to check what was delivered against the order, lift it into the right position, connect power and network the way the design intended, and prove that it responds. When that work is rushed, the problems tend to surface later: a device mounted in the wrong row, both power supplies fed from the same circuit, a management port left unpatched so nobody can reach the machine remotely. Rack and stack turns a purchase order into equipment that is physically ready for your own engineers to configure.

Good delivery starts before the engineer reaches the building. The rack elevation, port map and power plan are agreed in writing, so the person on the floor follows a plan instead of making design decisions. Afterward you should receive photos of the front and rear of each rack, a record of what went where, and a clear list of anything that did not match expectations. That record lets your remote team begin configuration with confidence, and it gives you something to check against when the facility later bills you for space and power.