14 July 2004
Including changes 12 April 2005
EF (Entrance Facility): An entrance to a building for both public and private
network cables (including wireless). It consists of the entrance point to the
building and continues to the entrance room or space.
EMT: electrical metal tubing
Entrance Room: A space in which the joining of inter- or intra- building
telecommunications backbone facilities takes place.
ECM Equipment Cooling Module.
ER (Equipment Room): An environmentally controlled centralized space for
telecommunications equipment that usually houses a main or intermediate cross-
connect. The function of the ER, in NMCI terminology, is included in the EF or
Facility Contractor: The contractor(s) responsible for the new construction for
the benefit of DoN, including new facilities, additions, or major renovations.
FMD: Facilities Management Department.
GFF: Government Furnished Facilities.
GRS: galvanized rigid steel
Horizontal Cabling: The cabling between and including the telecommunications
outlet/connector and the horizontal cross-connect.
IA: Information Assurance.
IC (Intermediate Cross-connect): A cross-connect between first level and
second level backbone cabling.
IDF (Intermediate Distribution Frame): NMCI common usage for the
equipment that provides the access layer in the NMCI architecture. This
guidance refers to it as the IC.
IMC: Intermediate Metal Conduit
IP (Internet Protocol): The Internet Protocol (IP) is the method or protocol by
which data is sent from one computer to another on the Internet. Each computer