Proszê jak cz³owiek siê musi czasem umys³owo nagimanstykowaæ:
Has³o Asymmetric Digital Subscriber Line Protocols
http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/dsl.pdf
http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/dsl.htm
http://www.4i2i.com/adsl.htm
http://scitec.uwichill.edu.bb/cmp/online/cs23l/adsl.pdf
http://www.iol.unh.edu/services/testing/dsl/training/4
http://www.dslforum.org/aboutdsl/adsl_tutorial.html
http://www.caba.org/standard/dslf.html
Uczelnia Protoko³y komunikacyjne