Cisco CBR-D31-DS-MOD | DOCSIS 3.1 Downstream Module for cBR-8 Router

 Technical Reference & Availability: Cisco CBR-D31-DS-MOD DOCSIS 3.1 Downstream Module

The Cisco CBR-D31-DS-MOD is a critical downstream interface module designed specifically for the Cisco cBR-8 Converged Broadband Router. As the industry's first purpose-built Evolved CCAP (Converged Cable Access Platform), the cBR-8 utilizes this module to deliver massive throughput and support for the DOCSIS 3.1 standard. This module is essential for cable operators looking to provide gigabit-speed internet services while maintaining backward compatibility with DOCSIS 3.0.

Core Technical Specifications

  • Manufacturer: Cisco Systems, Inc.

  • System Compatibility: Cisco cBR-8 Evolved CCAP Chassis.

  • Model: CBR-D31-DS-MOD

  • Standard Support: Full DOCSIS 3.1 downstream capability and multi-carrier DOCSIS 3.0.

  • Function: High-density downstream modulation for multi-gigabit broadband delivery.

  • Design: Hot-swappable modular architecture for non-disruptive carrier-grade upgrades.

Key Features for Next-Gen Broadband

  • Unprecedented Capacity: Supports orthogonal frequency-division multiplexing (OFDM) to maximize spectral efficiency.

  • Scalability: Allows MSOs to scale bandwidth incrementally as subscriber demand grows.

  • Carrier-Grade Reliability: Engineered for 24/7 high-availability environments in headend facilities.

  • Efficient Cooling: Integrated high-airflow design to ensure optimal performance in fully loaded cBR-8 chassis.

Inventory & Global Logistics from Shenzhen

We currently have original Cisco CBR-D31-DS-MOD modules available in our Shenzhen warehouse.

  • Condition: Pre-owned, original professional hardware. These units have been professionally decommissioned from certified Tier-1 telecom data centers and headend facilities. Each module has undergone a thorough visual inspection of the high-speed interface pins and mechanical latch integrity.

  • Technical Verification: We provide high-resolution photos of the specific Cisco serial numbers and manufacturing labels to ensure exact matching for your cBR-8 configuration.

  • Shipping: Worldwide express delivery via DHL, FedEx, or UPS. Professional anti-static packaging with reinforced shock protection is guaranteed for these high-value modular units.

Technical Inquiry & Procurement: If you are a network engineer, headend technician, or telecom sourcing specialist looking for original Cisco cBR-8 spare parts, please contact our technical desk:

  • WhatsApp: +86 159 1599 7637 

    Email: xw8668448@gmail.com

  • Front view of Cisco CBR-D31-DS-MOD downstream interface module for cBR-8 router.
    Cisco CBR-D31-DS-MOD label showing manufacturing details and serial number.

    High-density backplane interface on Cisco cBR-8 CBR-D31-DS-MOD module.



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