Electonics Abbreviations and Acronyms
-   NRZMNon-Return-To-Zero Mark
-   NRZSNon-Return-To-Zero Space
-   NSNanosecond, 10-9 Seconds
-   NTCNNational Telecommunications Coordinating Network
-   NTINetwork Terminating Interface
-   OBDIIOn-Board Diagnostics Ii Bus
-   OC1Optical Cajrier, Level 1
-   OCUOrderwire Control Unit
-   OCUROpencable Unidirectional Receiver
-   OCVCXOOven Controlled-Voltage Controlled Crystal Oscillator
-   OFCCOptical Fiber Cable Component
-   OLMCOutput Logic Macrocell
-   OP MODELOperations Model
-   OPMODELOperations Model
-   OS 2Operating System/2
-   OS2Operating System/2
-   OSPOrganic Solderability Preservation
-   OSRIOriginating Stations Routing Indicator
-   OSSNOriginating Stations Serial Number
-   OTAMOver-The-Air Management
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