Nortel 1100 安装指导
24
Preface
NN46110-317 02.01
Before you begin
This guide is intended for qualified service personnel who need to install or
replace a field-replaceable unit (FRU) in the gateway chassis. A qualified service
person must have appropriate technical training and experience and be aware of
the hazards involved in installing or replacing FRUs.
replace a field-replaceable unit (FRU) in the gateway chassis. A qualified service
person must have appropriate technical training and experience and be aware of
the hazards involved in installing or replacing FRUs.
Text conventions
This guide uses the following text conventions:
Acronyms
This guide uses the following acronyms:
Warning: If you improperly handle internal components or assemblies,
with the power connected, you can cause severe personal injury.
with the power connected, you can cause severe personal injury.
bold Courier text
Indicates command names and options and text that
you need to enter.
Example: Use the
you need to enter.
Example: Use the
show health
command.
Example: Enter
terminal paging
{off | on}
.
italic text
Indicates new terms and book titles.
plain Courier
text
text
Indicates system output, for example, prompts and
system messages.
Example:
system messages.
Example:
File not found.
separator ( > )
Shows menu paths.
Example: Choose Status > Health Check.
Example: Choose Status > Health Check.
ADSL
asymmetric digital subscriber line
AES
Advanced Encryption Standard
CSU/DSU
channel service unit/digital service unit