| QDD-400G-LR4-S | |
|---|---|
 | Mfr. No: QDD-400G-LR4-S |
| Manufacturer: Cisco | |
| Description: 400G QSFP-DD transceiver with Duplex LC connectivity for up to 10 km over single-mode fiber. It uses four CWDM wavelengths and is compliant with 400GBASE-LR4-6 requirements while extending the supported reach to 10 km. | |
| DataSheet | View details |
Specification
| Product Attribute | Attribute Value |
|---|---|
| Manufacturer | Cisco |
| Product Category | 400G QSFP-DD Transceivers |
| Form Factor | QSFP-DD |
| Data Rate | 400 Gbps |
| Nominal Data Rate | 425 Gbps |
| Standard | 400GBASE-LR4 |
| High-Speed Electrical Interface | 400GAUI-8 / CEI-56G-VSR-PAM4 |
| Media | Single-Mode Fiber (SMF) |
| Fiber Type | G.652 |
| Transmission Distance | Up to 10 km |
| Connector Type | Duplex LC |
| Connector Polish | PC/UPC |
| Wavelength | 1270, 1290, 1310, 1330 nm |
| Optical Technology | 4 CWDM grid optical wavelengths |
| Transmit Power per Lane | -2.7 to +5.1 dBm |
| Receive Power per Lane | -9.0 to +5.1 dBm |
| Maximum Supported Insertion Loss | 6.3 dB |
| Pre-FEC BER | 2.4 × 10⁻⁴ |
| Maximum Power Consumption | 12 W |
| Module Dimensions | 8.5 × 18.4 × 78.3/93.3 mm (H × W × D), with pull tab |
| Maximum Weight | 100 g |
| Operating Temperature | 0°C to 75°C |
| Storage Temperature | -40°C to 85°C |
| FEC | Performed on host platform |
| Pull Tab Color | Blue |
| Applications | Data centers, high-performance computing, enterprise core/distribution, service provider networks |
| Compliance | IEEE 802.3cu 400GBASE-LR4-6 requirements; 100G Lambda MSA; 400GAUI-8/CEI-56G-VSR-PAM4 |
| FEATURED PRODUCTS COHERENT | |
|---|---|
 | 1000BASE-T Cisco Copper SFP Transceiver Gigabit Ethernet copper SFP module with RJ-45 connectivity, supporting 10/100/1000 Mbps operation and up to 100 m over copper cabling. |
 | 400G Cisco QSFP-DD Transceiver 400GBASE-DR4 transceiver with MPO-12 connectivity, designed for 400G Ethernet links up to 500 m over parallel single-mode fibre. |
 | 400G Cisco QSFP-DD Transceiver 400GBASE-FR4 transceiver with duplex LC connectivity, designed for 400G Ethernet links up to 2 km over duplex single-mode fibre. |
| 400G Cisco QSFP-DD Transceiver 400GBASE-LR4 transceiver with duplex LC connectivity, designed for 400G Ethernet links up to 10 km over duplex single-mode fibre. |
 | 400G Cisco QSFP-DD Transceiver 400GBASE-SR8 transceiver with MPO-16 APC connectivity, designed for up to 100 m over OM4 multimode fibre and supporting 2×200G and 8×50G breakout. |