Halsall, Fred.

Data communications, computer networks and open systems / Fred Halsall. - 4th ed. - England: Addison Wesley, c2000. - xvi, 907p.: ill.;, figs.;, tables.;, maps.; 23 cm.

Includes bibliography (p. 893-899) and index.

Dept. of CSE

8178080982


The electrical interface.

004.6 / HAD