Prisma II 1.2 GHz High Density Long Reach Multiwave Transmitter

Cisco Prisma II 1.2 GHz High Density Long Reach Multiwave Transmitter

The Cisco® Prisma® II 1.2 GHz High Density Long Reach Multiwave (HD-LRMW) Transmitter is the CATV industry’s first monolithic hybrid optical source module. Based on quaternary indium phosphide semiconductors, it separates the functions of light generation from RF modulation. The result is a smaller size, lower cost, narrow linewidth component providing performance more often associated with discrete external modulator technologies. Longer distance transmission without the linearity degradation of directly modulated sources is possible, expanding the capabilities of dense wavelength division multiplexed (DWDM) optical links to facilitate best-in-class architectures with unprecedented versatility and flexibility. Consistent with other Prisma II transmitters, the HD-LRMW offers 1.2 GHz of RF spectrum and transports a multiplex of analog, quadrature amplitude modulation (QAM), and orthogonal frequency division multiplexed (OFDM) channels with unmatched performance for node segmentation, fiber reclamation, and fiber deep architectures. The features, characteristics, and value position this transmitter to address the broadest range of applications in the fluid broadband access market.


  • 16 iWDM wavelengths supported

  • Existing 100 GHz DWDM passives compatible

  • Designed to operate in the Prisma II or the Prisma XD chassis

  • Narrow optical linewidth for longer fiber links

  • High linearity for robust carrier-to-noise ratio (CNR), modulation error ratio (MER), and bit error ratio (BER) performance

  • Supports high symbol rate QAM and OFDM signals for greater data capacity

  • 1.2 GHz RF bandwidth to support DOCSIS 3.1 implementations

  • Small CO2 footprint: lowest power consumption per transmitter in the industry

  • Status LEDs indicate module condition and simplify troubleshooting

  • Blind-mate (push-on) RF and DC connectors

  • RF input test points

  • Non-volatile storage of preset operating parameters simplifies installation procedures

  • User selectable automatic gain control (AGC)

  • Multiple setup and control options:

    • Local control via Local Craft Interface (LCI)

    • Local control via Intelligent Communications Interface Module (ICIM)

    • Remote monitoring via Transmission Network Control System (TNCS)

    • Simple Network Management Protocol (SNMP) remote monitoring




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