Motorola ARPD Next-Generation Modular Compact Demodulator

Motorola Updated: 2009-07-25 RSS
Motorola ARPD Next-Generation Modular Compact Demodulator

The Advanced RPD (ARPD) offers greater demodulator density in a more compact chassis than its predecessor, the RPD-2000. It offers a larger number of upstream demodulators in a smaller physical package. Performing the same functions as the RPD-2000 while saving rack space, the ARPD allows multiple upstream demodulators to be placed in each upstream path.

* Offers high-density compact design.
* 1 RU chassis holds up tosix ADM-4000 Advanced Demodulator Modules* and can be functionally equivalent to three RPD-2000s, saving rack space.
* Each ADM-4000 module includes two RF ports (input and output) and supports the ability to demodulate up to three different return channels.
* A fully loaded ARPD chassis containing six ADM-4000 modules supports up to six different upstream paths and the ability to demodulate up to 18 different return channels.
* The ADM-4000 demodulator modules are front-loading (cables connect in the back) and hot-swappable.
* Tuner frequency range is from 5 to 65MHz, and the dynamic range is 20 dB (0 dBmV ±10 dB).
* Receives and demodulates upstream data packets (MAC cells) transmitted by STBs and performs FEC, marking each received cell as perfect, corrected, or uncorrectable.
* Performs power level measurement on each demodulated MAC cell to support the STB power leveling system.
* Transmits the demodulated MAC cells containing interactive data and/or polling data to the NC1500 or RADD over UDP/IP/Ethernet.
* Provides status and alarms using SNMP traps.

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