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 (album) Suffer (album) Suffer is the third album by American punk rock band Bad Religion, released on the Californian independent record label Epitaph Records on September 8, 1988. It was the first album that was both released and distributed by the label. Following the release of the EP "Back to the Known" (1985), Bad Religion went on a temporary hiatus, then reunited with its original members (except drummer Jay Ziskrout) and went to work on its first full-length studio album in five years. Although "Suffer" did not chart on the "Billboard" 200, it has been cited by some critics as one