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Glossary
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PDH
Plesiochronous Digital Hierarchy
PDP
Power Distribution Panel
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Q
Q-LAN
Thin Ethernet LA (10BaseT) that connects the manager to gateway network elements so that
management information can be exchanged between network elements and management systems.
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S
SC
Square coupled Connector
SDH
Synchronous Digital Hierarchy. Definition of the degree of control of the various clocks in a
digital network over other clocks.
SDSL
Symmetrical single pair high bit rate Digital Subscriber Line (name used by ETSI)
SFP
Small Form-Factor Pluggable Optics
SH
Short Haul
SHDSL
Single-pair High-speed Digital Subscriber Line (name used by ITU-T)
STM
Synchronous Transport Module Building block of SDH.
Supervisor
A user of the OMS application with Supervisor privileges. See also User Privilege.
System Administrator
A user of the computer system on which the OMS application can be installed. See also User
Privilege.
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T
TCP/IP
Transmission Control Protocol/Internet Protocol
TMN
Telecommunications Management etwork
Tributary
A signal of a specific rate (2 Mbit/s, 34 Mbit/s, 140 Mbit/s, VC12, VC3, VC4, STM-1 or STM-4)
that may be added to or dropped from a line signal.
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GL-6
Alcatel-Lucent – Internal
Proprietary – Use pursuant to Company instruction
365-313-103R8.0
Issue 2 July 2009
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