Linksys WCM300 Cisco Cable Wideband Solution Design and Implementation Guide, - Page 17

Cisco Cable Wideband Components, Base CMTS Components

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CH A P T E R 2 Cisco Cable Wideband Components This chapter describes the components of the Cisco Cable Wideband Solution, Release 1.0, and contains the following topics: • Base CMTS Components, page 2-1 • Wideband CMTS Components, page 2-8 • Wideband Cable Modems, page 2-14 • Wideband CMTS Redundancy and Resiliency, page 2-18 • Where to Find Information on Solution Hardware Components, page 2-21 Cisco Cable Wideband Add-on Components The Cisco uBR10012 router can be used as a DOCSIS 1.x/2.0 CMTS and, in this mode, does not need any wideband components. Wideband cable components can be added to the Cisco uBR10012 base system so that it can be used as a wideband CMTS. As demand for wideband cable grows, this ability to increase capacity by adding wideband components to an existing uBR10012 base system is less expensive than adding additional chassis. This Cisco Cable Wideband Solution add-on strategy reduces both capital expenditure and operational expenses. Base CMTS Components For the Cisco Cable Wideband Solution, Release 1.0, the Cisco uBR10012 router (Figure 2-1 and Figure 2-2) is the wideband cable modem termination system (WCMTS). The CMTS may be located at the cable headend or at a distribution hub. The Cisco Cable Wideband Solution uses the modular CMTS (M-CMTS) architecture with one or more external edge QAM (EQAM) devices. OL-10705-02 Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0 2-1

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CHAPTER
2-1
Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0
OL-10705-02
2
Cisco Cable Wideband Components
This chapter describes the components of the Cisco Cable Wideband Solution, Release 1.0, and contains
the following topics:
•
Base CMTS Components, page 2-1
•
Wideband CMTS Components, page 2-8
•
Wideband Cable Modems, page 2-14
•
Wideband CMTS Redundancy and Resiliency, page 2-18
•
Where to Find Information on Solution Hardware Components, page 2-21
Cisco Cable Wideband Add-on Components
The Cisco uBR10012 router can be used as a DOCSIS 1.x/2.0 CMTS and, in this mode, does not need
any wideband components. Wideband cable components can be added to the Cisco uBR10012 base
system so that it can be used as a wideband CMTS. As demand for wideband cable grows, this ability to
increase capacity by adding wideband components to an existing uBR10012 base system is less
expensive than adding additional chassis. This Cisco Cable Wideband Solution add-on strategy reduces
both capital expenditure and operational expenses.
Base CMTS Components
For the Cisco Cable Wideband Solution, Release 1.0, the Cisco uBR10012 router (
Figure 2-1
and
Figure 2-2
) is the wideband cable modem termination system (WCMTS). The CMTS may be located at
the cable headend or at a distribution hub. The Cisco Cable Wideband Solution uses the modular
CMTS (M-CMTS) architecture with one or more external edge QAM (EQAM) devices.