International Telecommunication Union, [год не указан]. - 62 p.
Otn/Oth.
where is it standardized for.
Why use Otn.
Otn hierarchy Overview.
Otuk, Oduk, Opuk Frame Structure.
Opuk Overhead and Processing.
Oduk Overhead and Processing.
Otuk Overhead and Processing.
Oduk Multiplexing.
Oduk Virtual Concatenation / Otn over Sonet.
synchronisation.
Otn Maintenance Signals.
Otn defects.