This type of multiplexing is needed when the customer wants to terminate the DS1 or DS3 in the central office and wants to ‘pick up’ lower level services.
Central Intelligence Agency | Comedy Central | Central Park | Central Asia | Central processing unit | Central America | Central | Central Europe | Microsoft Office | Home Office | War Office | The Office | Central Committee | Central Java | 2006 Central American and Caribbean Games | Swimming at the 2006 Central American and Caribbean Games | Great Central Railway | Foreign and Commonwealth Office | United States Patent and Trademark Office | Grand Central Terminal | Central African Republic | New York Central Railroad | central business district | University of Central Florida | Office of the Inspector General | Office of Naval Research | China Central Television | Central Powers | Central Bureau of Investigation | Office of Strategic Services |