Huawei CX600-X1-M Series Hardware Description page 231

HUAWEI CX600-X1-M/CX600-X2-M Series Metro
Services Platform
Hardware Description
NVRAM
R
RAM
ROM
S
SRAM
Issue 03 (2014-04-30)
Nonvolatile Random Access Memory. The data in NVRAM cannot be
lost when the system is Down.
Random Access Memory is a memory that can be lost easily, and read
and rewritten by the micro processor.
Read Only Memory is a memory that cannot be lost easily, and can only
be read, but not written by the micro processor.
Static Random Access Memory is a type of random access memory. Its
contents can be saved only if the SRAM is provided with the uninterrupted
power supply. Unlike the DRAM, the SRAM does not need to be refreshed
repeatedly.
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E Glossary
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