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27-3
Cisco Prime Network 4.0 User Guide
OL-29343-01
Chapter 27 Monitoring Cable Technologies
User Roles Required to Work with Cable Technologies
For more information on user authorization, see the Cisco Prime Network 4.0 Administrator Guide.
By default, users with the Administrator role have access to all managed elements. To change the
Administrator user scope, see the topic on device scopes in the Cisco Prime Network 4.10 Administrator
Guide.
Viewing the Cable Broadband Configuration Details
You can view the following Cable technology configurations:
• DTI Client—The DOCSIS Timing Interface (DTI) client collects DTI server master clock, DOCSIS
timestamp, and Time of Day information from the DTI Server. It interfaces with the DTI Server to
provide Time, Frequency and Management interfaces to the Modular Cable Modem Termination
System (M-CMTS) device.
• QAM Domain—Quadrature Amplitude Modulation (QAM) domain
• MAC Domain—A MAC domain is a logical subcomponent of a Cisco CMTS router and is
responsible for implementing all DOCSIS functions on a set of downstream and upstream channels.
The CMTS MAC domain typically includes one or more downstream paths and one or more
upstream paths. Depending on the CMTS configuration, the CMTS MAC domain can be defined to
have its downstream on one cable interface line card with its upstreams on another card, or one or
more CMTS MAC domains per cable interface line card.
• Narrowband Channels—A Narrowband Channel is a logical representation of a non-bonded channel
that is a standard DOCSIS 1.x/2.0 protocol downstream channel that contains one RF channel. The
wideband protocol utilizes the existing narrowband downstream channel for carrying the MAC
management and signaling messages and the associated narrowband upstream for return data traffic
and signaling.
Table 27-1 Default Permission/Security Level Required for the Data Center Configurations
Task Viewer Operator OperatorPlus Configurator Administrator
Viewing the Cable
Broadband
Configuration Details
XXXXX
Viewing the DTI
Configuration Details
XXXXX
Viewing the QAM
Domain Configuration
Details
XXXXX
Viewing the MAC
Domain Configuration
Details
XXXXX
Viewing the
Narrowband Channels
Configuration Details
XXXXX
Viewing the Wideband
Channels Configuration
Details
XXXXX
Viewing the Fiber Node
Configuration Details
XXXXX