ECEN4533 Data Communications
Lecture #1          9 January 2012
Dr. George Scheets
www.okstate.edu/elec-eng/scheets/ecen4533

ECEN4533  Data Communications
Dr. George Scheets
Lecture #2 11 January 2012
www.okstate.edu/elec-engr/scheets/ecen4533/

ECEN4533  Data Communications
Dr. George Scheets
Lecture #3 13 January 2012
www.okstate.edu/elec-engr/scheets/ecen4533/

Grading

Why work the ungraded Homework problems?

To succeed in this class...

Cheating

Twisted Pair Cables

Coax cable

Channel Capacity (C)

Channel Capacity (C)

Channel Capacity (C)

M-Ary Signaling

If Possible, Increase the Bandwidth!

33.6 Kbps Dial-Up Modem

"Fine print indicates"

Bogus Channel Capacity Claims

ISO OSI Seven Layer Model

TCP/IP Model

Typical Network: Core & Access

PSTN: Wired Dial-up Modem

PSTN Connectivity via BRI ISDN

PSTN Call Sequencing

ISDN connection
using PSTN

Carrier PSTN Network

Moving Traffic with Packets

Ex) Internet

Internet Service Provider Backbone

Internet Call Sequencing

Moving Traffic with Packets

Slide 31