1. Glossary and Terms (Download PDF)

2. A usful list of Acronyms

A B C D E F G H I J K L M N O P Q R S T U V W X    

OADM    Optical Add-Drop Multiplexer

OMAP    Operations, Maintenance and Administration Part (SS7)

OOS     Out-Of-Service (SS7)

OSI     Open Systems Interconnection

OSPF    Open Shortest Path First

OUI     Organizationally Unique Identifier

OXC     Optical Cross-Connect