Il Coriant HiT 7300 is a high-capacity, flexible Dense Wavelength Division Multiplexing (DWDM) transport platform designed to deliver scalable and reliable optical networking across regional, long-haul, and ultra-long-haul infrastructures. Built to support up to 96 channels per fiber, it offers advanced optical layer flexibility with options for fixed-grid, super-channel, and flexible-grid configurations. The platform leverages coherent detection technology and integrated amplification to ensure efficient, high-performance transport over extensive distances. Its sophisticated add/drop multiplexing and protection features provide robust network resiliency, making it ideal for service providers managing dynamic, high-volume data traffic.
At Carritech, we provide comprehensive support for the Coriant HiT 7300, offering fully tested systems, spare modules, and replacement parts to help operators maintain and expand their optical transport networks efficiently. Our expert team assists with deployment, maintenance, and phased upgrades, ensuring your HiT 7300 infrastructure remains reliable and future-ready. With a global inventory and fast delivery, Carritech enables seamless continuity of service while supporting the evolving demands of modern telecommunications networks.
High Channel Capacity
Supports up to 96 DWDM channels per fiber, enabling massive data throughput across long distances.
Flexible Optical Layer
Offers fixed-grid, super-channel, and flexible-grid (flexi-grid) configurations to adapt to diverse network demands.
Advanced Coherent Detection
Utilizes sophisticated modulation formats and coherent detection to enhance spectral efficiency and signal quality.
Integrated Amplification
Includes erbium-doped fiber amplifiers (EDFA), booster amplifiers, and Raman amplifiers for extended reach and signal integrity.
Colorless, Directionless, and Contentionless (CDC) Add/Drop
Provides dynamic and efficient add/drop multiplexing capabilities to optimize network traffic management.
Robust Network Protection
Features Automatic Protection Switching (APS) and Optical Transport Network (OTN) protection for high availability.
Scalable Grooming
Enables efficient traffic grooming between multi-haul hubs and seamless integration with metro and core networks.
SDN Compatibility
Supports Software-Defined Networking for automated provisioning and flexible network control.
Comprehensive Management
Compatible with Coriant Transcend™ Chorus management system for end-to-end optical network visibility and control.
Platform Type: Dense Wavelength Division Multiplexing (DWDM) transport system
Applications: Regional, long-haul, and ultra-long-haul optical transport; data center interconnect; submarine cable systems; metro aggregation
Modular Design: Scalable system architecture supporting flexible configurations and upgrades
Channel Count: Up to 96 DWDM channels per fiber
Spectral Grid Options: Fixed-grid, super-channel, and flexible-grid (flexi-grid) configurations for enhanced spectral efficiency
Wavelength Range: C-band with options for extended reach and capacity
Modulation Formats: Supports advanced coherent modulation formats (QPSK, 16QAM, etc.) for high data rates and spectral efficiency
Detection: Coherent detection with digital signal processing for improved signal quality and noise tolerance
Amplification: Integrated EDFAs, booster and pre-amplifiers, and Raman amplifiers to extend transmission distance and maintain signal integrity
CDC Capability: Colorless, Directionless, and Contentionless add/drop multiplexing allowing dynamic and flexible wavelength management without manual intervention
Protection Mechanisms: Automatic Protection Switching (APS), Optical Transport Network (OTN) layer protection, and network redundancy features to ensure high availability
Fault Management: Rapid fault detection and automated recovery mechanisms to minimize downtime
Management System Compatibility: Coriant Transcend™ Chorus for comprehensive optical network management
Control Interfaces: Supports SNMP, CLI, and web-based interfaces for flexible monitoring and configuration
SDN Integration: Enables software-defined networking capabilities for automated provisioning and adaptive network control
Fattore di forma: Modular rack-mount chassis suitable for telecom-grade data centers and central offices
Power: Redundant power supplies with hot-swappable modules
Operating Temperature: Standard telecom environment specifications (typically 0°C to 45°C)
| Time Period | Brand / Company | Role / Notes |
|---|---|---|
| Mid 2000s – 2013 | Nokia Siemens Networks (NSN) | Originally developed and marketed by NSN as a next-generation DWDM long-haul and regional transport system, offering scalable ROADM and high-capacity optical transmission. |
| 2013 – 2018 | Coriant | Following the acquisition of NSN’s optical network division, Coriant adopted and further evolved the HiT 7300, integrating it into its coherent optical networking portfolio. |
| 2018 – Early 2020s | Infinera | Acquired Coriant in 2018 and continued supporting the HiT 7300, while gradually encouraging migration to Infinera’s ICE-based platforms (e.g., GX Series). |
| Present (Secondary Market) | Independent Resellers & Support Specialists (e.g., Carritech) | Carritech continues to supply and support the HiT 7300, offering refurbished chassis and modules, spares, and technical guidance for long-haul and ROADM-based network deployments. |
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Dalla manutenzione e riparazione da parte di esperti al reperimento affidabile dei pezzi di ricambio e alla consulenza tecnica, forniamo un supporto completo per ogni fase del ciclo di vita della vostra rete. Che si tratti di prolungare la vita dei sistemi preesistenti o di integrarsi con un'infrastruttura moderna, il nostro team garantisce soluzioni efficienti e convenienti, in modo che possiate concentrarvi sulle prestazioni e non sui problemi.