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The Ciena NTK539UB (HECI/CLEI: WOTRCPDFAA) is a 100G WaveLogic 3 OCLD Long Haul with EDFA, 1xOTU4, C-Band circuit pack for the Ciena 6500 Packet-Optical Platform. Ciena also lists it as the EDC100G WL3 OCLD LH. Specifically, it serves as the coherent line side of a 6500 100G system, carrying one OTU4 signal over a single tunable DWDM wavelength. As a result, it moves 100G traffic across long-haul routes.

WaveLogic 3 Coherent Optics

In addition, the card uses Ciena’s WaveLogic 3 coherent technology with electronic dispersion compensation (EDC). Consequently, operators can run long spans without separate dispersion compensation modules. Moreover, an integrated EDFA boosts the outgoing signal, and the tunable C-Band laser covers the full DWDM grid.

Reach Tiers in the NTK539U Family

Ciena offers this OCLD in several reach tiers: Enhanced PMD (NTK539UA), Long Haul (NTK539UB), Regional (NTK539UC), and Metro (NTK539UD). For this reason, the Long Haul version makes the right choice for long terrestrial routes, while shorter-reach versions suit regional and metro spans. Match the tier to your network design when ordering spares.

How the OCLD Works in a 6500 Shelf

The OCLD receives OTU4 traffic over the 6500 backplane from client cards such as the 100G OCI or 10x10G MUX. Therefore, operators pair it with the client card that matches their services. For more on the platform, see Ciena’s 6500 Packet-Optical Platform overview. For submarine and ultra-long-haul links, the Ciena NTK539BN Flex2 WL3e OCLD Submarine adds extended reach.

Key Features

• First, it provides a 1xOTU4 (100G) coherent line in the C-Band.
• Second, it uses WaveLogic 3 coherent optics with EDC.
• Additionally, Ciena rates it for long-haul reach.
• Furthermore, an integrated EDFA boosts launch power.
• Moreover, its tunable laser covers the full DWDM grid.
• Finally, it works with the Ciena 6500 Packet-Optical Platform.

Why Lease from Telecom Leasing?

• First, you add long-haul 100G capacity without a large capital outlay.
• Second, we test every unit so it’s ready to deploy.
• In addition, flexible terms cover spares, upgrades, and project builds.
• Finally, you get fast quotes and quick shipping.

Best of all, Telecom Leasing offers the NTK539UB for lease or purchase, so you can stock 6500 line-side spares at a fraction of new cost.

Frequently Asked Questions

What is the Ciena NTK539UB?

In short, it’s a 100G WaveLogic 3 OCLD Long Haul circuit pack with EDFA and a 1xOTU4 C-Band line for the Ciena 6500.

What is the CLEI code for this OCLD?

This OCLD uses HECI/CLEI code WOTRCPDFAA.

What’s the difference between the NTK539UB, UC, and UD?

They share the same design but differ in reach. Specifically, the UB is Long Haul, the UC is Regional, and the UD is Metro.