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Our Applications & Solutions

Remote PHY Device (RPD)


The Harmonic cOS® Pebble-1 module is a Remote PHY device (RPD) that supports distributed access architectures defined by CableLabs® MHAv2 specification.

The module is designed for use with the cOS Ripple-1, Shell-1, LR45 Remote PHY Nodes, a hardened outdoor enclosure for networks tasked with delivering video, data and voice services over coax. It may also be used with selected third-party nodes.

Pebble-1, Ripple-1, Shell-1 and LR45 are part of the Harmonic cOS software-based CCAP solution, which also includes the cOS Core CMTS server and Reef-1, Wave-1 and NSG Pro cable access platforms. Fundamentally changing the business dynamics of cable delivery, cOS introduces cable operators to unprecedented scalability, agility and cost savings. The end-to-end solution supports centralized and distributed cable access architectures that enable the fast deployment of IP-based and legacy data, video, and voice services — and sustainable capacity growth. All cOS components work together to resolve space and power constraints in the headend and hub, eliminate dependence on hardware upgrade cycles, and provide multi-dimensional scaling.


• Fully compliant with the CableLabs MHAv2 specification for Remote PHY architectures
• High-speed 10-GbE throughput
• One DS port, two US ports
• Superior RF performance, compliant with DOCSIS DRFI Annex D and 3.1 PHY
• Precision IEEE 1588 PTP synchronization
• Support for DOCSIS 3.1 PNM
• Easy installation into CableOS Ripple-1 and third-party nodes
• Remote control via cOS CLI
• Compact size and low power consumption
• Optional support for Analog Overlay
• 3x SFP+ Ports (2x SFP+ Ports for Pebble1-AO)
• OOB protocols
• Integrated with leading 3rd party equipment for plant maintenance

Product Files

Our Solutions

System Solutions

To grow your business – and your revenue – operators want the Knowledge, Assets and impartial technical guidance only a true Value-Add Partner can deliver! From HFC and DOCSIS to x-PHYTM; from FTTx – xPON and RFoG to IPTV; from Linear Video to Multi-Screen; MHz best-in-class Technologies and Client Services will meet your goals while exceeding your expectations…

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Client Services

Too much on your plate?
Not enough hours in your day?

The next time you need, Linear Video or Multi-Screen, MPEG, DOCSIS or x-PHYTM, IP or RF resources to support the operation of Multi-Vendor, Multi-Technology products deployed in your HFC or FTTx network, MHz can help!

Choose from a customized package of remote “Fractional Engineering” hours you can use over an extended period of time; or our on-site Integration and Activation Services.

Both can offset your temporary work-load.

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