Glossary of Terms

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The telecommunications and fiber industries are full of terms and accronyms. Our glossary of terms attempts to capture some of them.

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A

Access Distribution Switch (ADS): The lowest level of OHIvey's cascading aggregation model. ADS devices reside in community cabinets designed to serve between 800 and 5,000 households passed.

Access Portal (AP): The transceiver or media converter device that terminates the fiber network at the customer's premises. PON projects call the AP an ONT.

accessUTOPIA: Customized order management system developed by UTOPIA for use by UTOPIA service providers.

ADS: See Access Distirbution Switch.

ADSL: See Asymmetrical Digital Subscriber Line.

aggregation point: A network location where multiple sites aggregate traffic. The SWCCOG SCAN project envisions a community aggregation point in each participating community and regional aggregation points in Durango, Caolorado and Cortez, Colorado.

AP: See Access Portal.

ARPU: See average revenue per user.

Asymmetrical Digital Subscriber Line (ADSL):

Available Address: Available addresses refer to addresses with fiber to the curb - including MDUs, businesses, and other premises that may require a premises network deployment.
Take rates are based on number of subscribers divided by available addresses.

Average Revenue per User (ARPU): 'Average revenue per user is calculated by dividing revenues by the subscriber base. Non-service revenues, such as equipment or other sales, are included in the calculation.' from http://www.yourdictionary.com/finance/arpu.
For the sake of assumptions for most OHIvey project planning, we typically use a wholesale ARPU of $30. This is a fairly conservative figure.

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