Nortel Optera/TN

The Nortel Optera Transport Network (Optera/TN) is a scalable, carrier-class optical transport platform designed to meet the demanding needs of modern telecommunications networks. Engineered for high-capacity, multi-service transport, the Optera/TN integrates Dense Wavelength Division Multiplexing (DWDM), SONET/SDH, and Optical Transport Network (OTN) technologies to deliver flexible, reliable, and efficient optical networking solutions.

Built to support a wide range of applications—from metro aggregation to long-haul backbone networks—the Optera/TN offers robust wavelength management, advanced grooming capabilities, and seamless integration with legacy and next-generation services. Its modular architecture enables operators to scale bandwidth incrementally while maintaining high availability and simplified operations.

At Carritech, we provide full support for the Nortel Optera/TN platform, offering fully tested systems, spare modules, and replacement parts. Our expert team assists with deployment, maintenance, and upgrades to ensure your Optera/TN infrastructure remains operational and future-proof. With a comprehensive inventory and fast delivery, Carritech helps you maximize the value of your optical transport investments.

• Multi-Technology Integration
  Combines DWDM, SONET/SDH, and Optical Transport Network (OTN) protocols within a unified platform for versatile optical transport.

• High Capacity and Scalability
  Supports scalable bandwidth with dense wavelength division multiplexing, allowing incremental growth to meet evolving network demands.

• Advanced Wavelength Management
  Provides dynamic wavelength provisioning, grooming, and protection for efficient utilization of optical spectrum.

• Robust Optical Grooming
  Enables flexible multiplexing and demultiplexing of diverse service types, optimizing bandwidth usage across metro and long-haul networks.

• Carrier-Grade Reliability
  Features redundancy in hardware components, optical protection switching, and fault-tolerant design to ensure continuous network operation.

• Modular and Flexible Architecture
  Allows for tailored configurations suited to specific deployment scenarios and service requirements.

• Seamless Legacy and Next-Gen Support
  Supports integration with existing infrastructure while enabling migration to advanced transport technologies.

• Comprehensive Network Management
  Compatible with centralized management platforms for streamlined provisioning, monitoring, and fault management.

System Architecture

• Platform Type: Multi-service optical transport platform integrating DWDM, SONET/SDH, and OTN technologies

• Modular Design: Scalable chassis with modular cards supporting various interfaces and functionalities

• Deployment Scenarios: Suitable for metro, regional, and long-haul backbone networks

Optical Capacity

• Wavelength Channels: Supports up to 40+ DWDM wavelengths per fiber with expansion capabilities

• Transmission Rates: Supports standard SONET/SDH rates including OC-3/STM-1 through OC-192/STM-64 and OTN rates (OTU1, OTU2, OTU3)

Interface Support

• Optical Interfaces:

  • DWDM channels with tunable laser options

  • SONET/SDH line interfaces with various STM levels

  • OTN line interfaces for transparent transport and grooming

• Electrical Interfaces:

  • Ethernet (10/100/1000 Mbps), Gigabit Ethernet

  • TDM services such as E1/T1, DS3/E3

Wavelength Management and Grooming

• Grooming Capabilities: Flexible multiplexing/demultiplexing of multiple service types to optimize network bandwidth

• Wavelength Provisioning: Dynamic wavelength assignment and protection switching

• Protection Schemes: Optical layer protection including 1+1, 1:N, and ring protection for high availability

Reliability and Redundancy

• Hardware Redundancy: Redundant power supplies, cooling fans, and switching modules

• Fault Management: Real-time fault detection, alarms, and automated protection switching

• Network Resiliency: Supports mesh, ring, and point-to-point topologies with sub-50ms failover

Management and Operations

• Management Systems: Compatible with Nortel’s integrated network management platforms

• Protocols Supported: SNMP, TL1, and proprietary management protocols

• Remote Management: Support for remote configuration, monitoring, and diagnostics

Physical and Environmental

• Form Factor: Rack-mountable chassis with hot-swappable components

• Power Input: -48V DC typical with optional AC support

• Operating Temperature: Standard telecom environment (0°C to +45°C)

• Cooling: Forced air cooling with temperature monitoring