Non-Facility Associated Signalling, a Primary Rate Interface configuration whereby multiple T1 carriers share a signaling channel (or D channel).
Transaction Processing Facility | European Financial Stability Facility | Signalling System No. 7 | Railway signalling | Naval Air Facility Washington | Michoud Assembly Facility | Global Environment Facility | University of Tennessee Anthropological Research Facility | Pacific Missile Range Facility | European Synchrotron Radiation Facility | Clinton Correctional Facility | Australia Telescope National Facility | Attica Correctional Facility | XQuery Update Facility | Wyoming Correctional Facility | Westville Correctional Facility | Wallops Flight Facility | Rare Earths Facility | Mid-State Correctional Facility | Mars Space Flight Facility | Marcy Correctional Facility | Green Haven Correctional Facility | French Global Environment Facility | British absolute block signalling | Bedford Hills Correctional Facility for Women | White Sands Test Facility | Wende Correctional Facility | Walnut Grove Correctional Facility | Topeka Correctional Facility | Thomas Jefferson National Accelerator Facility |