Bentley Coax V8i

Design and Management of Coax Networks


Bentley Coax V8i

Bentley Coax is a robust RF design engineering product that creates an intelligent coax network model during the design process.

Bentley Coax works with Bentley Fiber and Bentley Inside Plant to create an end-to-end network model, allowing an HFC network to be analyzed at any level and ensuring accurate network documentation. It will interactively calculate the optimum design while placing equipment and cables for new, upgrade, and/or rebuild network designs. The engineering calculations are based on configurable equipment specifications.

Bentley Coax maintains network and design connectivity as devices are inserted, removed, or changed. The designer is prompted to reconnect the network when appropriate and can choose to automatically perform a recalculation of the design, either for the active route or globally. This guarantees the design is always within specification. A variety of detailed engineering reports can be generated to support the design including bills of material. 

After the design has been completed, Bentley Coax allows designers to power the plant. Powering is based on user defined boundaries and shapes that define the area to be powered. When powering equipment is added to the design, Bentley Coax will trace the network, calculating the current draw and voltage requirements. Detailed powering information is reported graphically with circles being displayed on equipment to depict success or failure of the powering operation.

Bentley Coax offers a total solution for your RF engineering needs and creates a detailed, accurate network model that can be shared throughout your organization and IT infrastructure.

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Who Uses Bentley Coax: Learn why Bentley Coax is used by CATV Providers, Telecommunications Providers, and Network Engineering Firms.

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Engineering firms and CATV and telecommunications providers use Bentley Coax to engineer and document HFC networks.

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Damon Dougherty on the Intelligent Network Model

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Setup and Configurable Equipment Standards

All aspects of equipment, drawing, and engineering standards used in RF/coaxial cable design are fully configurable through an easy-to-use GUI, which includes a pre-configured library for quick startup. Administrators can define equipment properties, specifications, and the graphical appearance of the plant, including the frequencies and parameters for amps, cables, equalizers, pads, taps, power inserters/supplies, and other equipment. Specify validation rules adherence to your standards. 

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Network Layout

Bentley Coax uses a graphical routing process based on existing landbase and strand map information such as poles, pedestals, manholes and duct to build anintelligent network model of the coax and related outside plant facilities. Bentley Coax lets you place equipment, layout, and edit. You can design the coax network and calculate signal levels while ensuring the network connectivity is correctly maintained. The user interface is designed to increase engineering productivity and reduce the engineering effort required.

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Intelligent Editing

Bentley Coax offers different functions to edit, modify, or delete existing coaxial plant. These functions maintain connectivity throughout the entire network. Editing a device causes the network to be recalculated automatically and devices that don’t meet the design specification used in the project are identified for further correction.

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There are two ways to verify the network design. The first one calculates signal level and distortion automatically while you are laying out the coaxial network. The second allows you to recalculate the signal level and distortion from any coaxial device on the network until an amplifier or terminator is reached. You can verify levels on an amplifier’s leg, between two actives or verify all devices fed by within a node service area. Devices that don’t respect design specification used for the current project will be identified on the map with a particular color for later correction.

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Annotating the Coaxial Network Records

A complete set of tools is available to place different kinds of annotation driven by information from the database. You can place data blocks (amplifier, power supply, end of line) that were previously customized in the setup. You can also add distance information to the map just by selecting devices or cables on the map. This includes distance from last active, distance between devices, or cable type and cable length.

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After the design has been completed, Bentley Coax allows designers to power the plant. Powering is based on user defined boundaries or power blocks that define the area to be powered. Designers have the option of changing the power count percentage when using power-passing taps.

When powering equipment is added to the design, Bentley Coax will trace the network, calculating the current draw and voltage requirements. Detailed powering information is reported graphically with circles being displayed on equipment to depict the success or failure of the powering operation. Optimization can be achieved through repositioning the power equipment as required. Bentley Coax supports centralized powering, cross-node powering, insertion of power into amps and nodes, as well as other commonly utilized powering scenarios.

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You can easily render Coaxial features from the Oracle Spatial persistent DB by feature ID and locates of rendered features can be accomplished and reported on with the Bentley Map Data Browser.


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Bentley Coax allows you to review any type of coaxial device on the map just by clicking on it. For example, selecting an amplifier on the map will open a review dialog box displaying input and outputs signal levels at different frequency, distortion numbers, plug-ins, powering information, and more. Selecting a tap will open a review dialog box displaying input and output signal levels at different frequency, addresses connected to the tap, and other important information.

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Engineering Reports

Bills of material reports can be generated by build state for all RF equipment and cable and can include an address list for a selected area. A batch BOM report can generate files of every node in a project. The reports consist of the cable bearing strand information for the linked strand type footages, the equipment and equipment costs.

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Node Segmentation

Bentley Coax has the ability to segment coaxial nodes and associate the segmented node’s receivers and transmitters with their incoming/outgoing fibers and wavelengths for multiplexing propose. All coaxial features designed from a segmented node are updated in the Oracle database with that specific node ID for reporting and rendering purposes.

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