Ciena EDC100G WL3 OCLD SUBMARINE 1XOTU4 C-BAND CIRCUIT PACK NTK539UE
Ciena NTK539UE — EDC100G WL3 OCLD Submarine 1xOTU4 C-Band Circuit Pack
A coherent 100G WaveLogic 3 OCLD module engineered for the submarine variant of Ciena’s 6500 platform, built to push high-capacity OTU4 wavelengths across long undersea spans.
Overview
The NTK539UE is a 100G coherent circuit pack from Ciena’s WaveLogic 3 (WL3) family, purpose-built as an Optical Channel Line aDapter (OCLD) for submarine network applications. It slots into the Ciena 6500 Packet-Optical Platform, the multi-layer chassis that converges WDM, OTN switching, and packet networking into a single system spanning metro, long-haul, and submarine reach.
Unlike the metro (NTK539UD) or long-haul (NTK539UB/UH) variants of the same circuit pack family, the submarine-grade NTK539UE is tuned for the extreme distances, tight optical budgets, and EDFA-amplified repeater chains characteristic of undersea cable systems, while still presenting a single 1xOTU4 client/line interface in the C-band.
Why it matters for submarine transport
- Coherent WaveLogic 3 detection — soft-decision forward error correction and advanced modulation extend reach over the long, dispersion- and loss-heavy spans typical of submarine cable segments.
- 100G per wavelength in OTU4 framing — maximizes spectral efficiency on capacity-constrained submarine fiber pairs, where every wavelength slot carries a premium.
- Hybrid OTN + packet switching — inherited from the 6500 platform, allowing the pack to participate in grooming, protection, and service differentiation rather than being a pure point-to-point transponder.
- Operational continuity with metro/long-haul packs — shares software tooling, management, and chassis compatibility with the rest of the NTK539 family, simplifying sparing and operations for carriers running mixed terrestrial/submarine networks.
Quick specs
Specification summary
| Part number | NTK539UE |
|---|---|
| Product family | Ciena 6500 Packet-Optical Platform (OME 6500) |
| Module type | Optical Channel Line aDapter (OCLD), 100G coherent circuit pack |
| Designed application | Submarine transport (undersea cable systems, EDFA-amplified repeated spans) |
| Client/line interface | 1 × OTU4 (100G) |
| Wavelength band | C-Band, ITU-T DWDM grid |
| Coherent technology | WaveLogic 3 (WL3) coherent DSP with soft-decision FEC |
| Switching layer support | Hybrid OTN and packet switching on the host 6500 platform |
| Form factor | Single-slot circuit pack for 6500 chassis |
| Related variants | NTK539UD (Metro 1xOTU4), NTK539UB / NTK539UH (Long-Haul 1xOTU4) |
| Typical procurement condition | New, refurbished, and used/tested units available through Ciena and the secondary OEM-parts market |
| Management | Integrated with Ciena 6500 element/network management and software tooling |
Typical use cases
- Subsea cable system upgrades adding 100G OTU4 wavelengths onto existing submarine line systems.
- Carrier and consortium-owned undersea backbone links requiring coherent capacity scaling without a full repeater/SLTE replacement.
- Spares and lifecycle sparing programs for operators standardized on the Ciena 6500 platform across metro, long-haul, and submarine segments.
- Disaster-recovery and field-replacement stock for network operations teams supporting subsea infrastructure.
Request a Quote — NTK539UE
Tell us your quantity and condition requirements (new / refurbished / tested-used) and we’ll follow up with availability, lead time, and pricing.
This page is an independent informational summary, not an official Ciena publication. “Ciena,” “6500,” and “WaveLogic” are trademarks of Ciena Corporation. Part availability, pricing, and lead times for NTK539UE vary by source (OEM channel vs. secondary/refurbished market) — confirm specifications and compatibility with your network architecture before purchase.
