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Acronyms and Abbreviations in Telecommunications - InterConnect ...

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128 <strong>Acronyms</strong> <strong>and</strong> <strong>Abbreviations</strong> <strong>in</strong> <strong>Telecommunications</strong><br />

STL Studio-to-Transmitter L<strong>in</strong>k<br />

STM Synchronous Transfer Mode<br />

STM Synchronous Transport Module (SDH)<br />

STMR Sidetone Masked Loudness Rat<strong>in</strong>g<br />

STP Shielded Twisted-Pair<br />

STP Signall<strong>in</strong>g Transfer Po<strong>in</strong>t<br />

STP St<strong>and</strong>ard Temperature <strong>and</strong> Pressure<br />

STS Synchronous Transport Signal (SONET)<br />

STU Secure Telephone Unit<br />

STX Start of Transmission<br />

SUBT Subscriber Term<strong>in</strong>al<br />

SUBTEL Subsecretaría de Telecomunicaciones (Chile)<br />

SVC Signall<strong>in</strong>g Virtual Channel (ATM)<br />

SVC Switched Virtual Circuit (Packet Switch<strong>in</strong>g)<br />

SW Software<br />

SWG St<strong>and</strong>ard Wire Gauge<br />

SWR St<strong>and</strong><strong>in</strong>g Wave Ratio<br />

SX Simplex Signall<strong>in</strong>g<br />

SXS Step-by-Step Switch<strong>in</strong>g System<br />

SYNTRAN Synchronous Transmission<br />

SYSGEN System Generation

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