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CONFIGURING CABLE MODEM
TERMINATION SYSTEMS
Cable Modem Termination Systems (CMTS) consists of DOCSIS and
EuroDOCSIS modules within the Cuda 12000. Configuring a CMTS consists
of the following functions:
■ Configuring the MAC Interface (page 370)
■ Configuring the Downstream Channel (page 379)
■ Configuring Upstream Channels (page 390)
■ Configuring Admission Control (page 408)
■ Configuring Frequency Hopping (page 411)
■ Defining Modulation Profiles (page 418)
■ Configuring CMTS Privacy Parameters (page 428)
■ Configuring Flap Control (page 428)
Before you can effectively perform these tasks, you need an understanding
of CMTS upstream frequency reuses.
CMTS Upstream Frequency Reuse
The Cuda 12000 supports the configuration of upstream channels with the
same center frequencies, if the channels are on separate non-combined
physical plants. Referred to as upstream frequency reuse, this allows an
operator to set aside less of the valuable upstream spectrum for CMTS use.
Note, however, that for proper operation upstream channels must also be
configured to have the same channel widths and minislot sizes.