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N - not classified but sensitive
N-ISDN - narrowband ISDN
N - nonsecure, negative, no
N/A - not applicable
N6 - Space and Command, Control, Communications and Computer Systems Requirements (Navy)
NAC - network adapter card
NAC - NATO area code
NAC - National Area Code
NACD - National Association of Computer Dealers
NACIC - National Counterintelligence Center
NACISA - NATO Communications and Information Systems Agency
NACISC - NATO Communications and Information Systems Committee
NACK - Non-acknowledge
NACMA - NATO Air Command and Control Management Agency
NACMO - NATO Air Command and Control Management Organization
NACOSA - NATO CIS Operating Systems Agency (was NICS COA)
NACS - National Advisory Committee on Semiconductors
NACSAM - National COMSEC Advisory Memorandum
NACSEM - National COMSEC Emanations Memorandum
NACSI - National Communications Security Instruction
NACSIM - National COMSEC Information Memorandum
NADC - NATO air defence committee
NADDIS - narcotics and dangerous drugs information system
NADF - North American Directory Forum
NADIN - National Airspace Data Interchange Network
NADIR - Network Anomaly Detection Intrusion Reporter
NAF - Numbered Air Force
NAG - Network Address Group
NAI - NATO Analog Interface
NAIC - National Air Intelligence Center
NAK - negative acknowledgment
NALCOMIS - Naval Aviation Logistics Command Management System
NALLA - NATO Allied Long-Lines Agency
NAM - Network Assessment Model
NAMPS - Narrowband Advanced Mobile Phone Service
NANOG - North American Network Operators Group (Internet)
NANP - North American Numbering Plan
NAOC - National Airborne Operations Center
NAP - network access protocol (point)
NARA - National Archives and Records Administration
NARACS - national radio communications system
NARSAP - National Advanced Remote Sensing Application Program
NAS - Network Access System
NAS - National Airspace System (FAA)
NAS - network attached storage
NAS - Numerical Aerodynamic Simulation (NASA)
NASA - National Aeronautics and Space Administration
NASCOM - NASA Operational Communications System
NASD - network attached storage device
NASIRE - National Association of State Information Resource Executives
NASM - National Air and Space Model (USAF)
NASNET - National Airspace System Network
NAT - Network Address Translation
National ISDN - The first US "standardized" multi-platform ISDN protocol. The first version is National ISDN-1. As of mid 1996 National ISDN-2 has been implemented in some areas and is fully backward compatible with National ISDN-1.Ã"
Native Agent - An SNMP agent that resides on a Promina node and responds to requests from an SNMP manager, such as the PanaVue Management Platform.
NATO - North Atlantic Treaty Organization
NATS - North American terrestrial system
NAU - network addressable unit
NAVCAMS - naval modular automated communications system
NAVCIRP - Navy Computer Incident Response Team
NAVCIRT - Navy Security Incident Response Team
NAVCOMPARS - Navy Communications Processing and Routing System
NAVFOR - Navy forces
NAVGUARD - Navigation by GPS Utility with Anti-jam and RFI Direction Finding
NAVMACS - Naval Modular Automated Communications System
NAVMIC - Naval Maritime Intelligence Center
NAVSATCOMFAC - Naval Satellite Communications Facility
NAVSOF - Naval Special Operation Forces
NAVSPEC - Naval Special
NAVSTAR - navigational system timing and range
NAVTACNET - Naval Tactical Network
NAVTEX - worldwide navigational warning service
NAVWAR - Navigation Warfare
NAWAS - national warning system
NB - narrowband
NBC - nuclear, biological, chemical
NBFM - narrow band frequency modulation
NBRVF - narrowband radio voice frequency
NBS - National Bureau of Standards
NBSV - narrowband secure voice
NC - Node Center
NC - network computer
NC3A - NATO Consultation, Command and Control Agency
NCA - National Command Authorities
NCA - network computing architecture
NCA - network communications adapter
NCC - National Coordinating Center
NCC - network control circuit
NCC-D - network control center-deployed
NCC - (Network Control Center) - 1. Any centralized network diagnostic and management station or site, such as that of a packet-switching network. 2. (Network Control Code) - DDS-defined byte codes that are used to initiate loops and convey status information.
NCCOSC - Naval Command Control and Ocean Surveillance Center
NCCS - Naval Command and Control System-Ashore
NCCS-A - Navy Command and Control System-Afloat
NCCS - National Computer Crime Squad (FBI)
NCCS - nodal control CS
NCCS - Nodal Command and Control System
NCD - net control device
NCE - network control element
NCF - network computing framework
NCF - net control facility
NCGA - National Computer Graphics Association
NCI - network computing infrastructures
NCIC - National Crime Information Center
NCIC - Network Centric Innovation Center (Navy)
NCIPB - National Counter Intelligence Policy Board
NCMD - Nine-Channel Multiplexer/Demultiplexer
NCMSACS - Nodal Control Mobile Subscriber Access CS
NCO - noncommissioned officer
NCOIC - Noncommissioned Officer in Charge
NCP - not copy protected
NCP - Network Control Protocol
NCP - (Network Control Point) - Network Control Point: A routing optimizer and network synchronization software process. Any node is a potential NCP, but the network can run without one.
NCS - National Communications System
NCS - National Cryptologic System
NCS - net control station
NCS - node center switch
NCSA - National Center for Supercomputing Applications
NCSA - National Computer Security Association
NCSC - National Computer Security Center (Committee)
NCSD - National Communications System Directive
NCSL - National Computer Systems Laboratory
NCT - network control terminal
NCTA - National Cable Television Association
NCTAMS - Naval Computer and Telecommunications Area Master Station
NCTE - Network Channel Terminating Equipment. NCTE is a general term that can be applied to a CSU or NT1 or other equipment terminating a digital line at the customer°Ã~s premises. In many countries the NCTE is provided by the Telco. The USA is not one of those countries.
NCTR - non-cooperative target recognition
NCTSI - Naval Center for Tactical Systems Interoperability
NCVT - noncooperative variable transfer
NDAC - Network Design and Analysis Center (NCS)
NDCS - network data control system
NDF - network dynamic functionality
NDI - non-developmental item(s)
NDI - NATO digital interface
NDIC - National Drug Intelligence Center
NDIS - Network Device Interface Specification
NDIS - network driver interface standard
NDN - non-delivery notice
NDP - National Defense Panel
NDP - numeric data processor
NDPS - national disclosure policy system
NDR - negative differential resistance
NEACP - National Emergency Airborne Command Post (See NAOC)
NEF - Naval Expeditionary Forces
neg - negative
Neighbor Load - The process of loading code from a neighbor node (a node that is physically connected to the node).
Neighbor Node - A node that is physically connected to another node.
NEMIS - national emergency management information system (FEMA)
NeMISIS - New Mexico intelligence sharing information system
NEMS - national emergency management system
NEO - noncombatant evacuation operation
NEP - Network Entry Point
NEP - noise equivalent power
NES - network encryption system
NES - noise equivalent signal
NES - Network Encryption System
NESDIS - national environmental satellite data and information service
NESEA - Naval Electronics Systems Engineering Activity
NESP - Navy Extremely high frequency Satellite Program
NET - subnetwork
NetBIOS - network Basic Input/Output System
NETOPS - Network Operations
NETPLAN - network planning
NETS - Nationwide Emergency Telecommunications Service
Netview - An IBM mainframe network management product that integrated the functions of several earlier IBM network management products.
NETWARS - network warfare simulation
Network - A circuit configuration of two or more nodes that interconnects links. A network can have up to 16,000 domains each consisting of up to 250 nodes connected in any topology (such as star, ring, and full-mesh).
Network - Channel Terminating Equipment - See NCTE.
Network Event Log - Contains events from nodes in the network that are tagged as being network significant, also contains all cleared alarms.
Network Gateway Feature - A licensed feature that allows a node to be configured as a gateway node to gain access to other domains.
Network Management - A systematic approach to planning, organizing, and controlling a communications network.
Network Topology - The physical and logical relationship of nodes in a network; the schematic arrangement of the links and nodes of a network. Networks are typically of either a star, ring, tree, or bus topology, or some hybrid combination thereof.
NEXRAD - next generation weather radar
NEXT - near-end crosstalk
NFC - Numbered Fleet Commander
NFD - nodal fault diagnostics
NFIB - National Foreign Intelligence Board
NFIP - National Foreign Intelligence Program
NFS - number field sieve
NFS - (Network File System) - NFS is a networking protocol that allows a computer system to access files over a network as if they were on its local disks.
NG - National Guard
NGCR - next generation computer resources
NGI - Next Generation Internet
NGIC - National Ground Intelligence Center
NGSO - Nongeosynchronous orbit
NGW - (Neighbor Gateway) - A gateway node in another domain that physically connects to the gateway node in this domain.
NI - national identifier
NI - NATO interface
NI - (Network Interface) - The point between the carrier's network and the customer's installation.
NIAC - national identifier-area code
NIAG - National Infrastructure Assurance Council
NIAP - National Information Assurance Partnership
NIBRS - National Incident Based Reporting System
NIC - National Intelligence Council
NIC - network interface card
NIC - Network Information Center
NICS - NATO integrated communications system
NID - network interface (intrusion) device
NID - network inward dialing
NIDL - National Information Display Laboratory
NIDR - networked information discovery and retrieval
NIDS - network intrusion detection system
NIE - National Intelligence Estimate
NII - National Information Infrastructure
NIIMS - Nuclear Integration Information Management System
NIIRS - National Imagery Information Resolution Standards
NIIT - National Information Infrastructure Testbed
NILTU - NATO Interface Line Termination Unit
NIMA - National Imagery and Mapping Agency
NIMS - National Airspace System Infrastructure Management System
NINEWS - Navy Integrated Electronic Warfare System
NIO - National Intelligence Officers
NIOD - network inward/outward dialing
NIP - Network Implementation Plan
NIPC - National Infrastructure Protection Center
NIPR - Sensitive but Unclassified Internet Protocol Router
NIPRNET - Nonsecure Internet Protocol Router Network
NIPS - Naval intelligence processing system
NIR - network information retrieval
NIS - NMCS information system
NIS - non-imaging sensor
NISMC - Naval Information Systems Management Center
NISO - National Information Standards Organization
NIST - National Institute for Standards and Technology
NIT - network interface tap
NITAAC - National Information Technology Acquisition and Assessment Center
NITB - National INFOSEC Technical Baseline
NITC - National Information Technology Center
NITF - national imagery transmission format
NITFS - national imagery transmission format standard
NIU - network interface unit
NIU - NATO interface unit
NIUF - National ISDN UserÕs Forum. A userÕs group formed under the National Institute of Technology (NIST) in the USA. The NIUF is a neutral forum where the switch manufacturers and Telcos can get input from users and CPE manufacturers regarding the implementation of National ISDN. Among NIUFÕs successful projects have been the IOC ordering codes. Their web page is at http://www.niuf.nist.gov/ . See National ISDN.
NIWA - Naval Information Warfare Activity
NLA - non-linear amplifier
NLECTC - National Law Enforcement and Corrections Technology Center
NLETS - National Law Enforcement Telecommunications System
NLM - network loadable module
NLOC - noncommented lines of code
NLP - national level NSEP telecommunications program
NLS - national language support
NLSP - network layer security protocol
NLU - natural language understanding
nm - nautical mile
NM - Network Module
NMAC - Network Management Analysis Center
NMC - network management center
NMCC - National Military Command Center
NMCS - National Military Command System
NMD - national missile defense
NMF - Network Management Forum
NMF - network management facility
NMF - node management facility
NMIA - National Military Intelligence Association
NMICC - National Military Intelligence Collection Center
NMIPC - National Military Intelligence Production Center
NMISC - National Military Intelligence Support Center
NMIST - National Military Intelligence Support Team
NMJIC - National Military Joint Intelligence Center
NMOC - Network Management Operations Center
NMS - nodal management server
NMS - (Network Management System) - 1. Network system applications that support real-time, ongoing monitoring of network performance, problem isolation, and network maintenance and administration. 2. nodal management server
NMT - network management terminal
NMT - nodal mesh terminal
NMVT - network management vector tables
NNI - network to network interface
NNI - network mode interface
NNM - nodal network manager
NNT - nonnodal terminal
NNTP - Network News Transfer Protocol
NNX - format for a switch code, 3/4 numbering plan
NNX+XXXX - NOSC Network Operations Security Center
NNXX - format for a switch code, 4/3 numbering plan
NO - number
NOAA - National Oceanic and Atmospheric Administration
NOAO - National Optical Astronomy Observatories
NOAVA - Nationwide Office Automation for the VA
NOC-V - Network Operations Center Vehicular
NOC-C - Network Operations Center-CONUS
NOC - Network Operations Center
NOD - network outward dialing
NODC - National Oceanographic Data Center (NOAA)
Node - A Promina or an IDNX system that connects with customer devices and T1/T3/E3 trunks. Nodes are configured to meet individual network requirements.
Node ID - Nodes are identified through the Operator Interface by a number from 1 to 250 preceded by an N (for example, N5). Node IDs are assigned during the node installation process.
Node Name - An alphanumeric name of up to eight characters.
Node Parameters - See parameters.
NOFORN - Not Releasable to Foreign Nationals
NOIC - naval operational intelligence center
Noise - Random electrical signals, introduced by circuit components or natural disturbances, which tend to generate errors.
non-ICOM - non-integrated COMSEC
Non-subrated - See subrated.
Nonlatching Loopback - A (relatively) simple method of implementing network loop-in. A nonlatching loopback is initiated when four consecutive bytes of the specified loopback code are received, remains in place as long as every other byte contains the loopback code, and continues for a minimum of four bytes after receipt of the last loopback code. Also see latching loopback.
NOP - no operation
NORAD - North American Aerospace Defense Command
NORM - normal
Nortel - Northern Telecom (previously Northern Electric). The Canadian company which was once the manufacturing arm of Bell Canada. Manufacturer of the DMS-100 switch as well as many other pieces of telecom equipment.
Northern Telecom - See Nortel.
NOS - network operating system
NOSC - Naval Ocean Systems (Surveillance) Center
NOSC - Network Operations and Security Center (USAF)
NOSC-D - Network Operations and Security Center-Deployed
NPA - numbering plan area
NPA - numbering plan access
NPACI - National Partnership for Advanced Computational Infrastructure
NPCS - narrowband PCS
NPDB - National Practitioner Data Bank
NPDS - NMCC processing and display system
NPE - network planning engineering
NPI - network printer interface
NPIC - National Photographic Interpretation Center
NPOESS - National Polar-Orbiting Operational Environmental Satellite System
NPS - NES product server
NPT - Non-Proliferation Treaty
NPT - network planning tool
NPTN - National Public Telecomputing Network
NPU - natural processing unit
NPX - numeric processor extension
NR/C - nonredundant-communications security capable
NR/NC - nonredundant-not communications security capable
NRC - Network Reliability Council (FCC)
NREN - National Research and Educational (education) Network
NRI - net radio interface
NRIC - Network Reliability and Interoperability Council (FCC)
NRIS - network resource information system
NRM - network resource manager
NRO - National Reconnaissance Office
NRP - Net Radio Protocol
NRSC - Network Reliability Steering Committee
NRZ - Non-Return to Zero
NS - nanosecond
NS - Network Server
NS - name server
NS - nonsecure
NS - node switch
NS/EP/PS - national security, emergency preparedness, and public safety
NS3 - NATO supplement-3
NSA - National Security Agency
NSAD - network security architecture and design
NSAP - network service access point
NSAS - noncommunications signals exploration system
NSB - NATO signaling buffer
NSCF - Naval satellite communications facility
NSD - network security directive
NSDD - National Security Decision Directive
NSDI - National Spatial Data Infrastructure
NSDU - network service data unit
NSF - National Science Foundation
NSF - national standard format
NSFNET - National Science Foundation Network
NSG - Naval Security Group
NSG - node switching group
NSI - national security information
NSI - NASA Science Internet
NSIE - Network Security Information Exchange
NSIPS - Naval standard integrated personnel system
NSIRC - National Security Incident Response Center
NSISIP - National Security Information Systems Incident Program
NSLDS - National Student Loan Data System
NSM - network and systems management
NSM - network security management
NSN - national stock number
NSO - network security officer
NSOC - National Security Operations Center (NSA)
NSP - network service provider
NSSOG - National Security Standards Oversight Group
NST - Navy standard teleprinter
NSTAC - National Security Telecommunications Advisory Committee
NSTISSAM - National Security Telecommunications and Information Systems Security Advisory Memorandum
NSTISSC - National Security Telecommunications and Information Systems Security Committee
NSTISSI - National Security Telecommunications and Information Systems Security Instruction
NSTISSP - National Security Telecommunications and Information Systems Security Policy
NSTL - National Software Testing Labs
NSW - nonsecure warning
NSWS - naval special warfare system
NSWT - nonsecure warning tone
NSWTG - Naval special warfare task group
NT - network termination (terminal)
NT - network terminal
NT - network technology
NT - new technology (Microsoft)
NT - nodal terminal
NT1 - "Network Termination Type 1". The termination at the customer premises of an ISDN BRI circuit. The NT1 performs the role of line termination of the "U" interface and Code/Decodes from the line's 2B1Q coding scheme. The customer end of the NT1 interfaces using the "S" or "T" interface. The NT1 is frequently part of the "Terminal Adapter".
NTC - network terminal computer
NTCB - network trusted computing base
NTCN - National Telecommunications Coordinating Network
NTCS-A - Naval Tactical Command System-Afloat
NTCSS - Naval Tactical Command Support System
NTDR - Near Term Digital Radio
NTDS - Navy tactical data system
NTF - National Test Facility
NTIA - National Telecommunications and Information Administration
NTIS - National Technical Information Service
NTISA - Naval Tactical Interoperability Support Agency
NTISSAM - National Telecommunications and Information Systems Security Advisory Memorandum
NTISSC - National Telecommunications and Information Systems Security Committee
NTMA - national telecommunications management architecture
NTMS - National Telecommunications Management System
NTON - National Transparent Optical Network
NTOPS - New Technology for Open and Portable Systems (Navy)
NTP - Network Time Protocol
NTP - Naval Telecommunications publication
NTR - net time reference
NTSC - National Television Standards Committee
NTSDS - National Target/Threat Signatures Data System
NTTC - National Technology Transfer Center
NTTN - national technical transfer network
NUCINT - Nuclear Intelligence
NUI - network user identification (interface)
NVIS - near vertical incidence sky wave
NVM - non-volatile memory
NVOD - near video on demand
NVS - Non-Volatile Storage
NVT - network virtual terminal
NWARS - national wargaming system
NWCW - Network Centric Warfare (Navy)
NWDC - Naval Warfare Development Command
NWI - Navy Worldwide Intranet
NWIS - Navy WWMCCS Information System
NWR - NOAA weather radio
NWS - national weather service
NWT - Normal wideband terminal
NWTDB - Naval Warfare Tactical Data Base
NXTK Trunk Module - This module uses the X.21 standard for its interface and operates at 1.92 Mbps data rate.
NXX - switch code (commercial plan)
NYX - area code (commercial and DCS)
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