Document Conventions - Cisco Carrier Routing System CRS-1 Installation Manual

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Document Conventions

This guide uses the convention where the symbol ^ represents the key labeled Control. For example, the
key combination ^z means hold down the Control key while you press the z key.
Command descriptions use these conventions:
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Examples use these conventions:
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Means reader take note. Notes contain helpful suggestions or references to materials not contained in
Note
this manual.
Cisco CRS Carrier Routing System 4-Slot Line Card Chassis Installation Guide
viii
Chapter 1, "Overview," provides an introduction to the various line card chassis systems and
components. This chapter also provides the recommended sequence of tasks for installing all the
major components of the Cisco CRS 4-slot line card chassis.
Chapter 2, "Installing and Removing Power Components,"
power components in the line card chassis, including the AC and DC power shelves power supplies,
and alarm module.
Chapter 3, "Installing and Removing Air Circulation Components,"
trays and air filters.
Chapter 4, "Installing and Removing SFCs, RPs, MSCs, FPs, LSPs, PLIMs, and Associated
Components," provides instructions on how to install various cards, including PLIMs, switch fabric
cards, and modular services cards.
Chapter 5, "Installing and Removing the Doors and Grille,"
the optional exterior components, the front doors and grille.
Appendix A, "Cisco CRS 4-Slot Line Card Chassis System Specifications,"
specifications for the Cisco CRS 4-slot line card chassis.
Examples that contain system prompts denote interactive sessions, indicating the commands that
you should enter at the prompt. The system prompt indicates the current level of the EXEC
command interpreter. For example, the prompt
level, and the prompt
router#
privileged level usually requires a password. Refer to the related software configuration and
reference documentation listed in
Commands and keywords are in boldface font.
Arguments for which you supply values are in italic font.
Elements in square brackets ([ ]) are optional.
Alternative but required keywords are grouped in braces ({}) and separated by vertical bars (|).
Terminal sessions and sample console screen displays are in
Information you enter is in
Nonprinting characters, such as passwords, are in angle brackets (< >).
Default responses to system prompts are in square brackets ([]).
Exclamation points (!) at the beginning of a line indicate a comment line.
router>
indicates that you should be at the privileged level. Access to the
"Related Documentation"
font.
boldface screen
details how to bring power to and install
describes how to install the fan
documents how to install and remove
lists the technical
indicates that you should be at the user
for additional information.
font.
screen
Preface
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