it depends on the 3d software you are using. Usually though you just setup a bunch of computers with the OS of your choice and install the rendering client or the full client and tell it which server ...

I was going to recommend outsourcing it to an already established render farm if they don't intend to be running jobs enough to justify the cost. I don't know if 2 animations per month would be worth ...

For 3D artists and studios, rendering often becomes the biggest bottleneck. A project with high complexity means processing demands that weigh down even high-end computers locally, thus causing delays ...