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 Suffer Little Children "Suffer Little Children" is a song by the English rock band the Smiths, written by singer Morrissey and guitarist Johnny Marr. It was included on "The Smiths" in February 1984 and as a B-side to the May 1984 single "Heaven Knows I'm Miserable Now". The song is about the Moors murders that took place on Saddleworth Moor, which overlooks Manchester, between 1963 and 1965. At the time of their deaths, many of the victims were only a few years older than Morrissey (born 1959), who wrote the lyrics of the song after reading a book about the