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 the Children (novel) one by one. As people scramble to find the culprit, everyone comes to a shocking realization that an evil history is repeating itself. Saul claims that the book took him 28 days to write and due to his editor's response to the title, he wrote another book before the first was published. Of the subject matter, Saul stated that "I always find ... that when you have a scary scene, it broadens the scope of possibilities if you have children involved." Suffer the Children (novel) Suffer the Children is the debut novel by author John Saul, first published by Dell