Cisco Remote PHY Shelf 7200 Data Sheet

Product description

As an extension of the Modular Headend Architecture (MHA), MHA version 2 splits Cable Modem Termination System (CMTS) functions so that Converged Cable Access Platform (CCAP) core and physical-layer functions can run separately, and in different locations. CCAP core routing can run out of larger hubs, or even cloud CMTS instances in a data center, while Quadrature Amplitude Modulation (QAM) and Orthogonal Frequency-Division Multiplexing (OFDM) modulation are pushed out to remote PHY shelves located in hubs or remote PHY nodes near the subscribers.

Remote PHY is the product of cable operators asking the industry to help them overcome the limitations of analog fiber and break through the Hybrid-Fiber-Coaxial (HFC) bottleneck. In its most basic form, Remote PHY unlocks major bandwidth increases in existing access networks. But it also enables fiber-deep architectures that push digital fiber out much closer to homes. Ultimately, Remote PHY helps cable operators deliver capacity and multiple Gigabit service tiers on parity with any pure-fiber competitor, at a fraction of the cost of ripping and replacing the existing HFC plant.

The Cisco^® Remote PHY Shelf 7200 enables service providers to deploy cBR-8 CCAP services to medium-to-large hubs in a cost-effective manner while preparing their networks for future cloud CMTS. This 7-Rack-Unit (RU) Remote PHY shelf works in conjunction with a CCAP core (either physical or virtual) to create a distributed CMTS architecture. It provides cable operators with unprecedented port density and power efficiency in a redundant way.

With Cisco Remote PHY Shelves, you can deploy fewer sophisticated CCAP routing platforms, connected to many smaller-footprint, less expensive shelves. You don’t have to run a large number of full-featured I-CMTS platforms at every hub, consuming huge amounts of space and power as you scale, and requiring advanced onsite expertise to deploy and maintain. You can consolidate CCAP core functions in headends or data centers and leverage existing IP technologies and deploy DOCSIS PHY in remote fields over digital fiber to enable two-way broadband service over cable.

The Cisco Remote PHY Shelf 7200 has been integrated with the Cisco Smart PHY deployment automation software. Cisco Smart PHY deployment automation software is a micro-service-based software tool that enables full automation for provisioning, configuration, and maintenance of standards based on Remote PHY Devices (RPD), shelves, and Cisco CCAP cores. Figure 1 displays the MHAv2 reference architecture.

Features and benefits

The Cisco Remote PHY Shelf 7200 offers the following features and benefits:

●   High port density and power efficiency

●   High availability - RPD line card redundancy, power entry modules redundancy, and fan modules redundancy

●   Up to 13 RPD line cards (configured as 12+1 redundant); each contains six 1x2 RPD modules

●   Support link redundancy on each RPD line card

●   Facilitation of hub site consolidation to reduce costs, including capital and operational expenditures

●   Future-proof architecture that is easy to migrate as the hardware and control functions are decoupled and deployed in different locations

●   Remote PHY compliance, which paves the way for cloud-native CMTS

●   DOCSIS3.1 compliance

●   Spectrum management (FFT) support

Table 1 lists the features of the Cisco Remote PHY shelf 7200. Table 2 lists the product’s specifications.

Table 1.       Features

Table 2.       Specifications

Optical Small Form-Factor Pluggable Plus (SFP+) options

Table 3.       Optical SFP+ module options

Ordering information

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