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
From What Is Before From What Is Before From What Is Before () is a 2014 Filipino drama film directed by Lav Diaz. The film follows a remote town in the Philippines during the 1970s under the Marcos dictatorship. The film had its world premiere in the Philippines on 3 July 2014, and competed at the 2014 Locarno International Film Festival where it won the main prize, the Golden Leopard. The film also had its North American premiere at the 2014 Toronto International Film Festival, under the Wavelengths section. In addition, the film had its Philippine screening for free at 21 September 2014. The