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ESD
Electrostatic Discharge
ESP
Electrostatic Protection
ETSI
European Telecommunications Standards Institute
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F
Free Running
An operating condition of a clock in which its local oscillator is not locked to an
internal synchronization reference and is using no storage techniques to sustain its
accuracy.
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G
GB
Gigabytes
GbE and GE
Gigabit Ethernet
Gbit/s
Gigabits per second
GHz
Gigahertz
Global Wait to Restore Time
Corresponds to the time to wait before switching back to the timing reference. It occurs
after a timing link failure has cleared. This time applies for all timing sources in a
system hence the name global. This can be between 0 and 60 minutes, in increments of
one minute.
GND
Ground
GNE (Gateway Network Element)
A network element that passes information between other network elements and
management systems through a data communication network.
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H
Holdover
An operating condition of a clock in which its local oscillator is not locked to an
external reference but is using storage techniques to maintain its accuracy with respect
to the last known frequency comparison with a synchronization reference.
Glossary
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GL-4
Lucent Technologies - Proprietary
See notice on first page
365-374-187
Issue 1, December 2005