### Ciena NTT839AAE5 – Dual OSC Module (DOSC) | CPL Platform
The **Ciena NTT839AAE5**, formerly manufactured by **Nortel**, is a **Dual OSC (DOSC)** module designed for **Common Photonic Layer (CPL)** optical transport systems. The module provides dual Optical Supervisory Channels (OSC) for enhanced redundancy and control of the photonic layer, facilitating functions such as network management, remote monitoring, and fault isolation.
Ideal for high-reliability environments, the DOSC unit enables resilient out-of-band communication across optical links, and is essential for maintaining robust, carrier-grade CPL deployments.
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### ? Key Features:
- **Manufacturer**: Ciena (Formerly Nortel)
- **Part Number**: NTT839AAE5
- **Description**: Dual Optical Supervisory Channel (DOSC) Module
- **Platform**: Common Photonic Layer (CPL)
- **Function**: Supervisory communication, redundancy, network monitoring
- **Application**: Optical Layer Control & OAM
- **Redundancy**: Dual OSC for high availability
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### ? Technical Specifications:
- **Model**: NTT839AAE5
- **Form Factor**: CPL Line Card
- **Supervisory Channel**: Dual OSC configuration
- **Product Line**: Common Photonic Layer (CPL)
- **Origin**: Made in Mexico
- **Commodity Code (HS Code)**: 8517.62
- **Condition**: New or Refurbished (Tested & Guaranteed)
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### ✅ Why Buy from Us?
✔ Genuine Ciena/Nortel Hardware
✔ Fully Tested with Warranty
✔ Fast Global Shipping
✔ Volume Discounts Available
✔ Expert Optical Network Support
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**Order the Ciena NTT839AAE5 Dual OSC (DOSC) Module today** for dependable supervisory control in CPL deployments.
