| Product Type | Optical Transceiver Module |
| Form Factor | QSFP-DD |
| Data Rate | 400 Gbps |
| Optical Standard | 400ZR |
| Reach | Up to 120 km (without amplification or dispersion compensation) |
| Application | Data Center Interconnect (DCI), Metro Networks |
| Power Consumption | ≤ 16 W |
| Hot Swappable | Yes |
| Digital Diagnostics Monitoring (DDM) | Yes |
CISCO 400GBPS COHERENT QSFP-DD, 400ZR GL1 Module

Key Benefits
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- Ideal solution for high-bandwidth DCI and metro networking applications given the 400Gbps coherent optical capacity.
- Meets TAA compliance—ensuring deployment eligibility in government and enterprise procurement contracts.
- Integrated within CISCO’s ecosystem for streamlined integration in existing network infrastructures.
Product Overview
The CISCO 400GBPS COHERENT QSFP-DD, 400ZR GL1 module provides ultra-high-speed optical connectivity tailored for Microsoft services. Supporting up to 400Gbps via the QSFP-DD form factor, it adheres to the 400ZR standard, optimized for metro DCI and long-distance networking. TAA-compliant and manufactured in Thailand, it ensures reliable performance and interoperability within existing CISCO infrastructure environments.
Specifications
Product Overview
Physical & Environmental
| Dimensions (H x W x D) | 13.9 x 18.35 x 89.4 mm |
| Weight | Approx. 0.09 kg |
| Operating Temperature | 0°C to 70°C (32°F to 158°F) |
| Storage Temperature | -40°C to 85°C (-40°F to 185°F) |
| Operating Humidity | 10% to 85% (non-condensing) |
| Storage Humidity | 5% to 95% (non-condensing) |
Cloud Management & Licensing
| Management Interface | MDIO via QSFP-DD interface |
| Monitoring Capabilities | Real-time optical power, temperature, voltage |
| Firmware Upgradeable | Yes |
Interfaces
| Host Interface | QSFP-DD (Double Density) |
| Media Interface | Duplex LC |
| Connector Type | LC/UPC |
| Wavelength | C-band Tunable DWDM |
| Modulation Format | DP-QPSK or DP-16QAM, per 400ZR spec |
| Baud Rate | ≈ 64-69 Gbaud |
| FEC | Soft-decision Forward Error Correction (SD-FEC) |
| Transmission Protocol | OTN over DWDM |
Compliance & Origin
| Country of Origin | Thailand |
| TAA Compliant | Yes |
| RoHS Compliance | Yes |
| EMC Compliance | IEC/EN 61000-4-2, 61000-4-3, 61000-4-4 |
| Safety Standards | IEC 60825-1, 60825-2 |
| Laser Safety | Class 1 Laser Product (21 CFR 1040.10 and 1040.11) |
| CE Mark | Yes |
| FCC Compliance | Yes |
| ITU-T Compliance | G.709 (OTN), G.652 |
Advanced Security Features
| Encryption Support | MACsec (optional, depending on host system) |
| Secure Boot Support | Yes |
| Authentication | Module authentication with Cisco platforms |