xi
Cisco uBR7200 Series Universal Broadband Router Hardware Installation Guide
OL-5421-03
Preface
Document Conventions
This publication uses the following conventions:
•
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:
•
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
Router>
indicates that you should be at the
user
level,
and the prompt
Router#
indicates that you should be at the
privileged
level.
Access to the privileged level usually requires a password. For additional information, refer to the
related software configuration and reference documentation listed in the
Cisco uBR7200 Series
Software Configuration Guide
at the following URL:
http://www.cisco.com/en/US/docs/cable/cmts/ubr7200/configuration/guide/cr72scg.html
•
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 (|).
Examples use these conventions:
•
Terminal sessions and sample console screen displays are in
screen
font.
•
Information you enter is in
boldface screen
font.
•
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.
Caution
Means
reader be careful
. You are capable of doing something that might result in equipment damage or
loss of data.
Note
Means
reader take note
. Notes contain helpful suggestions or references to materials not contained in
this manual.
Appendix E, “Frequency Allocation
Tables”
Information on the National Television System Committee (NTSC) frequency
map for 6-MHz channel bands and the Phase Alternating Line (PAL) and
SEquential Couleur Avec Memoire (SECAM) frequency map for 8-MHz channel
bands.
Appendix F, “Manufacturers for Headend
Provisioning Requirements”
Manufacturers and websites required to prepare and provision a North American
or a European cable headend to support digital data.
Appendix G, “Site Log”
Example of a cable headend site log—Use to keep a historical record of actions
relevant to the Cisco uBR7200 series router installation, operations, and
maintenance.
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