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Cabling an HFC Connector Module
Each DOCSIS Module— and its corresponding HFC Connector Module—support a total of
four downstream channels, where one channel is assigned to each physical downstream
port. Each DOCSIS Module supports a total of 8 or 16 upstream channels (depending on the
DOCSIS Module model) which can be logically allocated to any one of the four physical
upstream ports. Figure 11 on page 21 illustrates an example where the number of channels
allocated on each port is five, three, seven, and one, respectively. The assignment of a node
to a port, and the allocation of upstream channels per upstream port should be considered
prior to connecting the coaxial cables from the cable plant to the HFC Connector Module.
Figure 11: Example of Allocation of Multiple Channels Per Port
One possible deployment scenario for the upstream is to attach one node per upstream port
and to turn on one upstream channel per node. If one of the nodes reaches capacity due to
high penetration or heavy usage of bandwidth-intensive services, then another channel can
be provisioned on that port.
Prior to inserting a coaxial cable into any of the HFC
Connector Module F-connectors, ensure that the cable
meets the requirements provided in the Juniper Networks
G10 CMTS Installation and Configuration manual.
In the following procedures, a node may represent a single
node, or multiple nodes that are combined.
Cabling an HFC Connector Module
G10 CMTS Installation
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