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Cisco QSFP-DD 400G Ultra Long Haul (ULH)

Extend Routed Optical Networking use cases to regional and ultra-long-haul DWDM applications with advanced forward error correction.

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Cisco QSFP-DD 400G Ultra Long Haul
400G ULH QSFP-DD DWDM Regional Routed Optical

Product Overview

Ultra Long Haul Reach

Transmit 400G coherent wavelengths across thousands of kilometers for regional and backbone DWDM networks.

Advanced FEC

Proprietary forward error correction provides maximum coding gain for reliable transmission over ultra-long distances.

Flexible Modulation

Software-configurable modulation formats balance capacity and reach for each specific link requirement.

QSFP-DD Pluggable

Compact pluggable form factor eliminates external transponder shelves for simplified network architecture.

Routed Optical Networking

Converge IP and optical layers into a single architecture for regional and backbone networks.

DWDM Integration

Full C-band tunable laser for deployment on amplified DWDM line systems with flexible grid support.

Features and Benefits

Coherent optics for the longest distances.

The 400G ULH module extends pluggable coherent optics to regional and ultra-long-haul applications previously served only by dedicated transponders.

Ultra Long Reach

Reach thousands of kilometers with advanced FEC and flexible modulation in a pluggable form factor.

Maximum FEC Gain

Advanced proprietary FEC delivers the highest coding gain for error-free transmission over extreme distances.

Transponder Replacement

Replace dedicated transponder shelves with router-hosted pluggable optics for simplified operations.

Multi-Rate Flexibility

Software-configurable line rates to optimize capacity vs. reach for each specific link.

Feature & Benefit Details

Feature
Benefit
Ultra long haul reach
Extend coherent pluggable optics to regional and backbone DWDM networks spanning thousands of km.
Advanced FEC
Maximum coding gain ensures error-free transmission over the longest amplified DWDM spans.
Flexible modulation
Software-configurable modulation optimizes the capacity-reach trade-off per link.
QSFP-DD form factor
Compact pluggable eliminates transponder shelves, reducing space, power, and cost.
Routed Optical Networking
Unified IP-optical architecture simplifies operations for service provider backbone networks.

Specifications

Optics

Form factorQSFP-DD
Data rate400G (multi-rate)
ModulationConfigurable (QPSK to 16-QAM)
FECAdvanced proprietary

Reach & Performance

Reach classUltra Long Haul
Wavelength gridC-band DWDM
Line systemAmplified DWDM
ApplicationRegional & backbone

Documentation

Data Sheet

Cisco QSFP-DD 400G Ultra Long Haul Coherent Optics Data Sheet. Full specifications, supported platforms, and ordering information.

Download PDF ›

Ready to deploy 400G ULH optics?

Our optics specialists will build a custom quote for your coherent networking deployment.

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Cisco 400G Ultra Long Haul