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Acronyms and Abbreviations in Telecommunications - InterConnect ...

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

PINX Private <strong>Telecommunications</strong> Network Exchange<br />

PITCOM Parliamentary Information Technology Committee (UK)<br />

PIV Peak Inverse Voltage<br />

PIXIT Protocol Implementation Extra Information for Test<strong>in</strong>g<br />

PKC Public Key Cryptology<br />

PKI Public Key Infrastructure<br />

PL Private L<strong>in</strong>e<br />

PL Project L<strong>in</strong>e<br />

PLAR Private L<strong>in</strong>e, Automatic R<strong>in</strong>gdown<br />

PLC Power L<strong>in</strong>e Communications<br />

PLC Programm<strong>in</strong>g Logic Controller<br />

PLCP Physical Layer Convergence Procedure<br />

PLIM Physical Layer Interface Module<br />

PLISO Plesisochronous<br />

PLL Phase-Locked Loop<br />

PLMN Public L<strong>and</strong> Mobile Network<br />

PLN Private L<strong>in</strong>e Network<br />

PLP Packet Layer Protocol (X25)<br />

PLR Pulse L<strong>in</strong>k Repeater<br />

PLS Physical Signall<strong>in</strong>g Sublayer<br />

PLSP PNNI L<strong>in</strong>k State Packets<br />

PLU Primary Logical Unit<br />

PM Mean Power<br />

PM Phase Modulation<br />

PM Physical Medium<br />

PM Polarisation-Ma<strong>in</strong>ta<strong>in</strong><strong>in</strong>g (optical fibre)

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