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COMSPHERE –48 Vdc Central Office Power Unit
Glossary-2 May 1998 3000-A2-GB41-40
shared diagnostic unit
(SDU)
A circuit card that plugs into a dedicated slot in the COMSPHERE 3000 Series
Carrier to provide the shared diagnostic control panel and network management
interfaces to the DSUs in the carrier. It translates the network management protocol
to the devices in the carrier and routes incoming messages to the appropriate slots.
6800 Series Network
Management System
(NMS)
A Paradyne automated network management system that supports the CO Power
Unit and other devices. It allows an operator to monitor network conditions,
analyze problems, and take restorative measures.