Computer networking devices are units, that mediates data in a computer network. Computer networking devices are also called network equipment, Intermediate Systems (IS) or InterWorking Unit (IWU). Units which are the last receiver or generates data are called a host or a data terminal equipment.
... (for the Jubilee Line)
Holborn tube station (for the Aldwych branch of the Piccadilly Line)
These stations once served by the Metropolitan Line, District Li ...