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
This Is What You Came For for Rihanna and Harris's tenth on the sister chart Dance/Mix Show Airplay. It topped the charts in Australia, Canada, and the Republic of Ireland and peaked within the top ten of the charts in Germany, New Zealand and Switzerland. "This Is What You Came For" received mixed reviews from critics (some praised them for creating a catchy track, others labeled it as boring) and cited Rihanna's vocals as overprocessed. A music video for the song premiered on 17 June 2016 and features Rihanna in an open cube with images projected on the inside walls. Calvin Harris presented the final recording