CIENA NTT839AAE5 
The NTT839AAE5 is a Dual Optical Supervisory Channel (DOSC) Module manufactured by Ciena (formerly Nortel) for the Common Photonic Layer (CPL) optical transport platform. 

Are you checking compatibility to replace an existing failed card, or are you trying to determine if this module can interconnect with a different vendor's optical system?
Key Specifications & Functions

  • Primary Function: It provides dual out-of-band communication channels utilized for redundancy, remote network monitoring, telemetry data transmission, network management, and fault isolation in long-haul and metro optical transport networks.
  • Weight & Origin: The module weighs 9.00 lbs and is manufactured in Mexico (Harmonized System Code: 8517.62).
1. Platform & Slot Compatibility
  • System Integration: This module is entirely dedicated to the Ciena/Nortel CPL (Common Photonic Layer) optical transport shelf. It is not cross-compatible with other Ciena platforms like the 6500 Packet-Optical platform or Waveserver systems unless specifically bridged through external optical network connections. [1]
  • CLEI Code / HEC: It carries the Common Language Equipment Identifier (CLEI) code WMUCALMAAT. When replacing cards, it must be slotted into a designated OSC-capable slot within the CPL chassis layout. [1]
2. Optical & Wavelength Specifications
  • OSC Wavelength: The module operates at the standard 1510nm wavelength. This is an out-of-band wavelength used specifically for supervisory data so it does not interfere with C-band payload traffic. [1]
  • Channel Configuration: It functions as a Dual Optical Supervisory Channel (DOSC) card. This means it can interface simultaneously with both East and West fiber spans from a single node to enable bidirectional management traffic. [1]
Network Topology Role: The card is compatible with Metro, Regional, and Long-Haul DWDM network designs. Because it manages telemetry, fault isolation, and remote monitoring data, it enables the CPL automated, self-optimizing control plane to securely establish end-to-end wavelengths across multi-node networks. [1, 2]

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