How it works
The BRX-VDSL2, the latest addition to the BRX family, extends the reach of VDSL2 DSLAMs or MSANs to expand the Customer Serving Area (CSA) by a factor of at least 50% for services up to at least 50 Mbps on a single copper pair. Subscribers beyond 4,000 feet (1.2 km) on a 24 AWG (0.5mm) copper pair will get 30% to 50+% increase in bandwidth.
The BRX-VDSL2 increases the bandwidth to residential and business customers and can be coupled with 2-pair and 8-pair bonding technologies for even higher bandwidth. It delivers a fiber-like user experience so customers can enjoy top quality video streaming with multiple HD feeds and still have enough bandwidth to simultaneously surf the web and use other applications. The increase in the available bandwidth capacity on existing last mile infrastructure results in higher ARPU, lower attrition and increased customer satisfaction at a low cost.
The BRX-VDSL2 is a performance and distance (reach) amplifier that extends the reach of VDSL2 DSLAMs / MSANs by up to 2,250 feet (685 m) and significantly expands the Customer Serving Area (CSA). It delivers 25/3 Mbps up to 6,500 feet (2 km) on one pair and 50/8 Mbps up to 6,500 feet (2 km) on 2 pairs. It is installed between the DSLAM and the remote CPE and increases the bandwidth available to business and residential customers. The BRX-VDSL2 has a broad placement flexibility to efficiently re-use existing splice points in the copper outside plant (OSP). The BRX-VDSL2 fills the gap when fiber is not cost effective. It can be used on single pairs and is fully transparent to pair bonding.
Benefits of the BRX-VDSL2
100% Transparent Support for Vectoring and Pair Bonding
The BRX-VDSL2 is fully transparent to Vectoring and pair-bonding applications. Installing a BRX-VDSL2 on a copper pair makes it possible to extend the benefit of vectoring to longer distances from the DSLAM. Bonding two pairs together, unless limited by the DSLAM or CPE, enables the doubling of the bandwidth.
More than Signal Amplification
In addition to delivering a significant increase in performance, field testing has shown that the BRX-VDSL2 will help mitigate some of the common problems impacting the performance in the Outside Plant (OSP). As it amplifies the VDSL2 signal, it filters out some of the accumulated noise on the copper pair which improves the signal-to-noise ratio (SNR) up to 14 dB. It also mitigates the impact of bridge taps, including those resulting from inadequate in-house wiring.
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Resources
Last Mile Bandwidth Enhancement
As published in Broadband Communities: Positron’s BRX line amplifiers double the serving area on long copper loops where fiber is not cost effective. Years of development and thousands of units in operation at 200 carriers has resulted in a very robust reliable solution that has significant placement flexibility and operates on line current.
BRX Solution Brief
While subscribers in many urban areas have access to 50-100 Mbps services or higher this is not the case in suburban and rural markets where subscribers cannot get higher speeds and are unable to access more advanced services and applications. Regulators are setting new targets for broadband access.