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Introduction to Public Switched Telephone Networks - PSTN

Introduction to Private Branch Exchange - PBX Book

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   Integrated Digital Loop Carrier - IDLC

IDLC systems are the integration of the integrated digital terminal (IDT) and remote digital terminal (RDT). The IDT is part of the local digital switch (LDS) and it acts like a concentrator to put more channels on a digital communications line. The IDLC system moves some of the switching services from the local switches into RDTs to increase the efficiency of communication lines between customers and the central office.

This diagram shows how an integrated digital loop carrier (IDLC) system can be installed in a local telephone distribution network to allow a 24 channel T1 line to provide service up to 96 telephone lines. This diagram shows that a switching system has been upgraded to include an IDT and a remote digital terminal (RDT) has been located close to a residential neighborhood. The IDT dynamically connects access lines (actually digital time slots) in the switching system to time slots on the communications line between the IDT and RDT. The RDT is a local switch that can connect up to 96 residential telephone lines. When a call is to be originated, the RDT connects (locally switches) the residential line to one of the available channels on the DS1 interconnection line. The IDT communicates with the RDT using the GR-303 standard.

 

Integrated Digital Loop Carrier (IDLC) System Diagram

Integrated Digital Loop Carrier (IDLC) System Diagram

   Public Switched Telephone Network - PSTN Terms

Interconnection Types
Switching

   Public Switched Telephone Network - PSTN Books

Introduction to Private Branch Exchange - PBX Book

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Introduction to Public Switched Telephone Networks - PSTN

This book describes public telephone technology and systems including local loop, digital loop, switches, multi-channel communication lines and signaling control systems. Discover the types of DSL including ADSL, ADSL2, HDSL, SDSL, and VDSL and how DSL can offer television services with thousands of channels.

$14.99 Printed, $11.99 eBook

Telecom Management Crash Course

Telecom for Dummies Telecom Crash Course
Telecom Management Crash Course
P.J. Louis,Paperback, Edition: 1,Series: Crash Course Series, English-language edition,Pub by McGraw-Hill Companies
Telecom for Dummies
Stephen P. Olejniczak,Paperback,Series: For Dummies Series, English-language edition,Pub by Wiley, John & Sons, Incorporated
Telecom Crash Course
Steven Shepard,Paperback - REV, Edition: 2, English-language edition,Pub by McGraw-Hill Companies

 

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