22Preface
Text conventions
This guide uses the following text conventions:
bold Courier text
italic text
plain Courier text
separator ( > )
Indicates command names and options and text that you need to enter.
Example: Use the show health command.
Example: Enter terminal paging {off on}. Indicates new terms and book titles.
Indicates system output, for example, prompts and system messages.
Example:
Shows menu paths.
Example: Choose Status > Health Check.
Acronyms
This guide uses the following acronyms:
ADSL | asymmetric digital subscriber line |
AES | Advanced Encryption Standard |
AIS | alarm indication signal |
CSU/DSU | channel service unit/digital service unit |
DES | Data Encryption Standard |
DIMM | dual inline memory module |
DTE | data terminal equipment |
FRU | field replaceable unit |
GUI | graphical user interface |
HSSI | High Speed Serial Interface |
IP | Internet Protocol |
IPsec | IP Security |
