ECEN4533 Data Communications
Lecture #1          12 January 2009
Dr. George Scheets
www.okstate.edu/elec-eng/scheets/ecen4533

ECEN4533  Data Communications
Dr. George Scheets
Lecture #2 14 January 2009
www.okstate.edu/elec-engr/scheets/ecen4533/

ECEN4533  Data Communications
Dr. George Scheets
Lecture #3 16 January 2009 www.okstate.edu/elec-engr/scheets/ecen4533/

Grading

Why work the ungraded Homework problems?

To succeed in this class...

Cheating

Twisted Pair Cables

Channel Capacity (C)

Channel Capacity (C)

Channel Capacity (C)

M-Ary Signaling

Bogus Channel Capacity Claims

33.6 Kbps Dial-Up Modem

56 Kbps Dial-Up Modem requires Digital Source

ISO OSI Seven Layer Model

Typical Network: Core & Access

Slide 18