Telecommunications Distribution Methods Manual (TDMM), 15th Edition

The BICSI RCDD exam will be based on material from the TDMM 15th edition beginning 1 August 2024.  All RCDD Exam applications received by 30 June 2024 will be considered an application for the current exam based on the TDMM 14th edition.

All applications received after 1 July 2024 will be considered for the exam that aligns with the TDMM 15th edition.

No Instructor-Led courses based on the TDMM 14th edition will be available after 31 May 2024.


The Cornerstone of ICT Design!

Now celebrating its 30th anniversary, BICSI's newly revised flagship manual, the 15th edition of the Telecommunications Distribution Methods Manual (TDMM), is known as the cornerstone of modern ICT design.

From new information on single-pair Ethernet cabling, 28 AWG patch cords, SC/APC type optical fiber connectors, fault managed power circuits, and much more, to updated information throughout the new manual, the TDMM holds true to its name. These changes reflect the newest trends in ICT technologies, ensuring a project is designed based on the latest standards and best practices.

Comprised of two volumes and spanning 2100 pages, the TDMM 15th edition is a must have for all existing BICSI Registered Communications Distribution designers® (RCDD®), and soon-to-be RCDDs. It acts as the basis for the RCDD credential, the gold-standard industry certification for ICT designers.

The TDMM 15th edition is comprised of 22 chapters:
Chapter 1 - Principles of Transmission
Chapter 2 - Electromagnetic Compatibility
Chapter 3 - Data Networks
Chapter 4 - Telecommunications Spaces
Chapter 5 - Backbone Distribution Systems
Chapter 6 - Horizontal Distribution Systems
Chapter 7 - ICT Cables and Connecting Hardware
Chapter 8 - Firestop Systems
Chapter 9 - Bonding and Grounding (Earthing)
Chapter 10 - Power Distribution
Chapter 11 - Telecommunications Administration
Chapter 12 - Field Testing of Structured Cabling
Chapter 13 - Outside Plant
Chapter 14 - Audiovisual Systems
Chapter 15 - Intelligent Building Systems
Chapter 16 - Wireless Networks
Chapter 17 - Electronic Safety and Security
Chapter 18 - Data Centers
Chapter 19 - Health Care
Chapter 20 - Residential Cabling
Chapter 21 - Project Administration, Execution, and Risk Management
Chapter 22 - Special Design Considerations
Also included are two appendices, a comprehensive glossary and reference section, and detailed bibliography.

fifteenth edition TDMM volumes i and ii

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