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Return Path Expansion
SpectrumPlus  
The SpectrumPlus Return Path Bandwidth Expansion family of products from Olson is a low-cost, high-performance, field-proven optical transmission system for node-to-hub or hub-to-headend applications. It dramatically increases upstream bandwidth (from 4X to 32X) by combining the latest in block conversion and CWDM technologies. SpectrumPlus upgrades the functionality of currently installed optical nodes from almost every major manufacturer without having to replace network infrastructure or deploy additional optical fibers, DWDM lasers, baseband digital reverse modules, or other expensive alternative return path segmentation technologies.

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Model OTUC-4XX Hub Block Upconverter and Transmitter Model OTUC-4XX Hub Block Upconverter and Transmitter

Model OTUC-4XX Block Upconverter/Transmitter

The Model OTUC-4XX is a 1RU 19" EIA rack-mount 4-band block upconverter and integrated laser transmitter package, which frequency stacks up to four (4) 5-42MHz return bands into a high-quality, cooled DFB laser, at 1310nm, 1550nm, or any one of eight (8) ITU grid CWDM lasers (@ 1470-1610 ± 3nm). Utilizing the Model OT-CWDM mux/demux module, which combines/decombines multiple optical wavelength bands onto one dedicated singlemode fiber, up to 32 separate, phase-locked upstream bands can be transported from hub-to-headend.

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Model FRMUC-XX Node Block Upconverter and Transmitter Model FRMUC Block Upconverter and Transmitter

Model FRMUC-XX Block Upconverter/Transmitter

The Model FRMUC-XX is a compact, rugged 2-band or 4-band block upconverter module, which frequency stacks up to four (4) 5-42MHz return bands into an integrated, high-quality, cooled DFB laser transmitter module, at 1310nm, 1550nm, or any one of eight (8) ITU grid CWDM lasers (@ 1470-1610 ± 3nm). Utilizing the Model OT-CWDM mux/demux module, which combines/decombines multiple optical wavelength bands onto one dedicated singlemode fiber, up to 32 separate, phase-locked upstream bands can be transported from multiple remote ONU’s to a centralized hub or headend site. 

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Model OTDC-440-X 1RU Hub Block Downconverter and Receiver Model OTDC-440 1RU Hub Block Downconverter and Receiver

Model OTDC-440-X 1RU Hub Downconverter/Receiver

The OTDC-440 Downconverter is the companion unit for the Olson  Technology FRMUC-XX or any other spectrum multiplier system. It is housed in a single rack chassis with a universal 90-250VAC power supply. The downconverter offers wide AGC range derived from 4.5MHz pilot — -8dBm to 0dBm on the standard unit and -12dBm on the high sensitivity version. All four outputs are phased locked to their inputs offering transparent phase noise performance.

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LP-DC-x 3RU Hub Block Downconverter and Receiver 3RU Chassis and Power Supply with LP-DC-212-2434 Downconverter and Receiver Modules

Model LP-XX Hub Block Downconverter/Receiver

At the receiving end of the SpectrumPlus Return Path Expansion System, the Models LP-DC-212/234 2/4-band block downconverters receive the optical signal and destack the electrical 5–206.5MHz block into the original four (4) 5-42MHz return path signals. Click here for more information on the LaserPlus Models LP-DC-212/234 chassis and power supply details.

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24926 Highway 108 • Mi-Wuk Village, CA 95346
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