Alcatel-Lucent 1643 AMS User's Operation Manual page 711

Glossary
Synchronous
The essential characteristic of time-scales or signals such that their corresponding
significant instants occur at precisely the same average rate.
Synchronous Digital Hierarchy (SDH)
A hierarchical set of digital transport structures that is standardized for the transport of
suitably adapted payloads over transmission networks.
Synchronous Equipment Management Function (SEMF)
Function that converts performance data and implementation-specific hardware alarms
into object-oriented messages for transmission over the DCC and/or the Q-interface. The
SEMF also converts object-oriented messages that are related to other management
functions so that they can pass across the S reference points.
Synchronous Line Multiplexer (SLM)
A line multiplexer that is designed to multiplex VC-4 and STM-1 tributary port signals
into STM-16 line port signals.
Synchronous Network
The synchronization of synchronous transmission systems with synchronous payloads to
a master Network clock that can be traced to a single reference clock.
Synchronous Transport Module (STM)
The information structure that is used to support (section layer) connections in SDH.
System Administrator
A user of the computer system on which the ITM-SC application can be installed. See
also User Privilege.
System Controller (CTL)
ISM circuit pack that controls the configuration of an Intelligent Synchronous
Multiplexer system.
System Controller (SC)
A circuit pack that controls and provisions all units. It also contains the data
communication packet switch functionality that is necessary for routing of management
information between network elements and their management system.
System Controller (SCT)
SLM Line Terminal and Regenerator network element circuit pack that provides the
highest level of system control for the Synchronous Line Multiplexer system. The SCT
circuit pack provides overall administrative control of the system. The SCT memory is
included in the same one circuit pack.
System Controller (STC)
SLM Add-Drop Multiplexer network element circuit pack that provides the highest level
of system control for the Synchronous Line Multiplexer system. The STC circuit pack
provides overall administrative control of the system. The STC memory is provided by
the MEM circuit pack.
...................................................................................................................................................................................................................................
365-312-807R7.2
Issue 4, May 2007
Alcatel-Lucent - Proprietary
See notice on first page
GL-31