Add-drop multiplexer Add-drop multiplexer An add-drop multiplexer (ADM) is an important element of an optical fiber network. A multiplexer combines, or multiplexes, several lower-bandwidth streams of data into a single beam of light. An "add-drop" multiplexer also has the capability to "add" one or more lower-bandwidth signals to an existing high-bandwidth data stream, and at the same time can extract or "drop" other low-bandwidth signals, removing them from the stream and redirecting them to some other network path. This is used as a local "on-ramp" and "off-ramp" to the high-speed network. ADMs can be used both in long-haul core networks and in
Is This What You Want? reviews. It peaked at number 29 on Canada's "RPM" 100, but failed to achieve commercial success in Britain (where it failed to chart) and America. Following the completion of the White Album, Harrison and Lomax went to Los Angeles to carry out further work on "Is This What You Want?" The sessions there took place at Sound Recorders Studio from 20 October to 11 November. Seven songs were recorded at this time, six of which were used for the album: "Is This What You Want?", "Speak to Me", "Take My Word", "Baby You're a Lover", "How Can You Say Goodbye"