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
Suffer Little Children that relatives of the Moors murder victims had taken exception to the lyrics, in which three of the victims are mentioned by name. Some newspapers also claimed that the single's sleeve photo of Viv Nicholson was intended to resemble Myra Hindley. Subsequently, Boots and Woolworths withdrew both the album and single from sale. Morrissey later established a friendship with Ann West, the mother of Moors victim Lesley Ann Downey, after she accepted that the band's intentions were honourable. The song has been covered by several artists, including Hole throughout their 2010 tour. Suffer Little Children "Suffer Little Children" is a