ECEN4533 Data Communications
Lecture #1          7 January 2008
Dr. George Scheets
www.okstate.edu/elec-eng/scheets/ecen4533

ECEN4533  Data Communications
Dr. George Scheets
Lecture #2 9 January 2008
www.okstate.edu/elec-engr/scheets/ecen4533/

ECEN4533  Data Communications
Dr. George Scheets
Lecture #3 11 January 2008 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 Modem requires Digital Source

POTS Connectivity via BRI ISDN

ISO OSI Seven Layer Model

Typical Network: Core & Access

PSTN: Wired Phone

POTS Call Sequencing

ISDN connection
using PSTN

Carrier PSTN Network

Moving Traffic with Packets

Slide 24