SNA - System Network Architecture

SND - Sound

SNDCP - Subnetwork Dependent Convergence Protocol

SNF - Second Normal Form

SNI - Subscriber Network Interface

SNMP - Simple Network Management Protocol

SNP - Sequence Number Protection

SNPS - Secure Marchant Payment System

SNR - Signal to Noise Ratio

SNRM - Set Normal Response Mode

SO - Shift Out

SOB - Substract One and Branch

SOE - Sequence Of Events

SOE - Standard Operating Environment

SOFM - Self Organizing Feature Map

SOH - Start of Heanding

SOH - Section Overhead

SOKR - Structured Object Knowledge Representation

SOM - System Object Model

SOMA - Semantic Object Modeling Approach

SONET - Synchronous Optical Network

SONN - Self - Organizing Neural Network

SOOD - Structural Object Oriented Design

SOP - Standard Operating Practice

SOP - Standard Operating Procedure