An Introduction to TDM (Time Division Multiplexing)

2 Day Course
Code PWL083

Book Now - 3 Delivery Methods Available:

Classroom Virtual Classroom Private Group - Virtual Self-Paced Online


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Network Evolution (10 topics)

  • PSTN network evolution
  • Evolution of signaling
  • From analogue to digital
  • Human voice
  • Voice digitisation
  • Pulse code modulation
  • A-law and mu-law
  • Nyquist
  • A-law and mu-law interworking
  • Lines and trunks

Multi-framing (14 topics)

  • Principles of a Time Division Multiplexer
  • Frames
  • Building up a T1 (DS1)
  • The framing bit
  • Building up an E1
  • Timeslots 0 and 16
  • Channel associated signaling and common channel signaling
  • How CRCs work
  • CRC bits
  • Option bits
  • From T1 to T1c, T2, T3 and T4
  • From E1 to E2, E3 and E4
  • Japanese structure
  • PDH as a hierarchy

Other Issues & Equipment (5 topics)

  • Clocking issues
  • From PDH to SDH (principles and why SDH is being used)
  • Bit stuffing principles in PDH and SDH
  • Interworking USA and European rates
  • Equipment types


Delegates should a basic understanding of telecommunications principles.

Scheduled Dates

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Different pricing structures are available including special offers. These include early bird, late availability, multi-place, corporate volume and self-funding rates. Please arrange a discussion with a training advisor to discover your most cost effective option.

Code Location Duration Price Sep Oct Nov Dec Jan Feb

and Virtual Classroom
2 Days $2,250

What Our Customers Say

The training was delivered with a high level of expertise and excellence. Instructor was highly knowledgeable.”

Technical Trainer, Aviat Networks

Overall the course was really good, the trainer really understood the material and was very approachable.”

Customer Training Manager, Aviat Networks

Excellent course, informative and well-paced.”

CSE, Cisco

Course was very well outlined. Topics were great and bridged many gaps.”

System Engineer, Cable & Wireless

An excellent intro to video encoding & MPEG transport streams - I would definitely recommend it.”

Broadcast Engineer, Cisco

Definitely an excellent intro. Left me interested in learning more.”

Broadcast Engineer, Eircom

Excellent training course with real examples and practical classroom demonstrations.”

Transport Designer, Orange

Instructor knowledge and experience was excellent.”

Solutions Engineer, Akamai

Excellent course, very clear and well organised. Course content delivery was very good.”

Assistant Engineer, Dhiraagu

Very informative and appropriate.”

Network Support Technician, BT

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