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7000 Series 2RU
Overview This guide is intended for appropriately trained service personnel and technicians who need to install some Arista Network data center switches. Receiving and Inspecting the Equipment When you receive the switch. Inspect the shipping container for external damage. If you believe any part of your shipment is damaged, please save the packaging. Your carrier may need to verify them. If the box was not damaged during shipping, carefully unpack it. Please be careful not to throw away the accessories that are included in the same box as the main unit. Please check the packing list and ensure you have received all items listed. Compare your order with the packing list. The parts list contains a list of components included in the switch. Installation Process The following tasks are required to install and use the switch. Select and prepare the installation site (site selection). Gather the installation tools listed (tools and parts required for installation). In...
USS Seawolf off the coast of Key West, Florida, in 1958.
USS Seawolf Under the direction of Captain (later Admiral) Hyman Rickover, the US Navy developed both pressurized water and liquid metal prototypes. The company completed its first two nuclear submarines, the Nautilus and Seawolf, and tested the two types, but the Seawolf reactor ran into problems (including leaks), so the liquid metal concept was abandoned. The Navy then also developed natural circulation reactors. US attack submarines (except the natural circulation prototype USS Narwhal) are built with pressurized water reactors, while Ohio-class strategic submarines are powered by natural circulation reactors. The latter are inherently quieter than pressurized water units, since they do not require pumps, at least at low and medium power. Other nuclear navies used pressurized water or natural circulation reactors, with one exception: the Soviet Union's Alpha-class superfast attack submarines, built with liquid metal reactors in the 1970s and 1980s. Nuclear Navy The intr...