The Cisco 400GBASE Quad Small Form-Factor Pluggable Double Density (QSFP-DD) portfolio offers customers a wide variety of super high-density transceiver modules and the flexibility of 400 Gigabit Ethernet connectivity options for data center, high- performance computing networks, enterprise core and distribution layers, and service provider applications. The QSFP-DD modules are our new generation of 400G transceiver modules based on a QSFP-DD form factor.
QDD-400G-SR8-S
The Cisco QDD-400G-SR8-S Module supports 400GE links and up to 8x 50GE breakouts or two 200GE breakout links lengths of up to 100m over OM4 MMF. The module has 8 pairs of MMF with an MPO-16 APC connector. It is compliant to the IEEE 802.3bm protocol and 400GAUI-8/CEI-56G-VSR-PAM4 standards. The 400 Gigabit Ethernet signal is carried over eight parallel pairs of fibers by 50Gbps signals per fiber. It can also be used as 8x 50GE breakout to SFP56-50G-SR modules or 2x QSFP-200G-SR4-S modules. FEC is performed on the host platform.
QDD-400G-SR4.2-BD
The Cisco QDD-400G-SR4.2-BD Module supports 400GE links and up to four 100GE breakout link lengths of up to 100m over OM4 MMF. The module has four pairs of MMF with an MPO-12 UPC connector. It is compliant to the IEEE 802.3bm protocol and 400GAUI-8/CEI-56G-VSR-PAM4 standards. The 400 Gigabit Ethernet signal is carried over four parallel pairs of fibers by two 50Gbps bidirectional wavelength per fiber. It can also be used as 4x100GE breakout to QSFP-100G-SR1.2 modules. FEC is performed on the host platform.
QDD-400G-DR4-S
The Cisco QDD-400G-DR4-S Module supports 400GE links and up to four 100GE breakout link lengths of up to 500m. The module has four pairs of SMF with an MPO-12 connector. It is compliant to the IEEE 802.3bs protocol and 400GAUI-8/CEI-56G-VSR-PAM4 standards. The 400 Gigabit Ethernet signal is carried over four parallel lanes by one wavelength per lane. It can be used as 4x100G breakout to QSFP28 100G-DR, 100G-FR, and 100G-LR. FEC is performed on the host platform.
QDD-4X100G-FR-S
The Cisco QDD-4X100G-FR-S Module supports 100G breakout link lengths of up to 2km. The module has four pairs of SMF with an MPO-12 connector. It is compliant to the IEEE 802.3cu for 100GBASEFR1, and 400GAUI-8/CEI-56G-VSR-PAM4 standards. The 400 Gigabit Ethernet signal is carried over four parallel lanes by one wavelength per lane. It can be used as 4x100G breakout to QSFP28 100G-DR (up to 500m), 100G-FR, and 100G-LR. FEC is performed on the host platform.
QDD-4X100G-LR-S
The Cisco QDD-4X100G-LR-S Module supports 100G breakout link lengths of up to 10km. The module has four pairs of SMF with an MPO-12 connector. It is compliant to the IEEE 802.3cu for 100GBASELR1, and 400GAUI-8/CEI-56G-VSR-PAM4 standards. The 400 Gigabit Ethernet signal is carried over four parallel lanes by one wavelength per lane. It can be used as 4x100G breakout to QSFP28 100G-DR (up to 500m), 100G-FR (up to 2km), and 100G-LR (up to10km). FEC is performed on the host platform.
QDD-400G-FR4-S
The Cisco QDD-400G-FR4-S Module supports link lengths of up to 2km SMF with duplex LC connector. It is compliant to IEEE 802.3cu for 400GBASE-FR4 requirements and 100G Lambda MSA group, and 400GAUI-8/CEI-56G-VSR-PAM4 standards. The 400 Gigabit Ethernet signal is carried over four CWDM grid optical wavelengths. Multiplexing and demultiplexing of the four wavelengths are managed within the device. FEC is performed on the host platform.
QDD-400G-LR4-S
The Cisco QDD-400G-LR4-S Module supports link lengths of up to 10km SMF with duplex LC connector. It is compliant to IEEE 802.3cu for 400GBASE-LR4-6km requirements but extends the reach to 10km, is compliant to100G Lambda MSA group 400G-LR4 requirements, and 400GAUI-8/CEI-56G-VSR-PAM4 standards. The 400 Gigabit Ethernet signal is carried over four CWDM grid optical wavelengths. Multiplexing and demultiplexing of the four wavelengths are managed within the device. FEC is performed on the host platform.
Table 1. Feature and Benefits of Cisco QSFP-DD Modules
Feature | Benefit |
Hot-swappable | Input/output device that plugs into 400G Ethernet Cisco QSFP-DD port |
Interoperable | Interoperable with other IEEE-compliant 400GBASE interfaces where applicable |
Certified on Cisco platform | Certified and tested on Cisco QSFP-DD 400G ports for superior performance, quality, and reliability |
Compliant with IEEE 802.3 | High-speed electrical and optical interfaces compliant to IEEE 802.3 |
Compliant with MSA | Compliant to QSFP-DD MSA CMIS Rev4.1, OIF 56G PAM4, IEEE 802.3 and 100G Lambda MSA |
Backward compatibility | QSFP-DD port is backward compatible with QSFP+, QSFP28 and QSFP56 modules |
Breakout capability | Some QSFP-DD modules have the capability to interface to multiple 100G modules when operated in breakout mode, providing higher port density for 100G interfaces, and easing the migration to 400G platforms |
Table 1. Electrical specifications
Product | Description | Nominal Datarate (Gbs) | High-speed electrical | Link meter |
QDD-400-CUxM | 400G QSFP-DD, Passive Copper Cable | 425 | 400GAUI-8 C2M, OIF CEI-56G-VSR-PAM4 | 0.5, 1, 2, 2.5, 3 |
QDD-4ZQ100-CUxM | 400G QSFP-DD to 4x QSFP56 100GEBASE-CR2, Passive Copper Cable | 4x 100GE | 4x 100GBASE-CR2, OIF CEI-56G-VSR-PAM4 | 1, 2, 2.5, 3 |
QDD-2Q200-CU3M | 400G QSFP-DD to 2x QSFP56 200GEBASE-CR4, Passive Copper Cable | 2x 200GE | 4x 100GBASE-CR2, OIF CEI-56G-VSR-PAM4 | 3 |
QDD-400-AOCxM | 400G QSFP-DD Transceiver, Active Copper Cable | 425 | 400GAUI-8 | 1, 2, 3, 5, 7, 10,15, 20, 25, 30 |
QDD-400G-SR8-S | 400G QSFP-DD Transceiver, MPO-16 APC MMF, 100m OM4 MMF, Can be used for 2X 200G- SR4 and 8x 50G-SR breakout | 425 | 400GAUI-8/CEI-56G-VSR-PAM4 | 70m (OM3) 100m (OM4) |
QDD-400G-SR4.2-BD | 400G QSFP-DD Transceiver, MPO-12 UPC, 100m OM4 MMF, 400GBASE-SR4.2, Can be used for 4X breakout to QSFP-100G-SR1.2 | 425 | 400GAUI-8/CEI-56G-VSR-PAM4 | 70m (OM3) 100m (OM4) 150m (OM5) |
QDD-400G-DR4-S | 400G QSFP-DD Transceiver, 400GBASE-DR4, MPO-12, 500m parallel SMF | 425 | 400GAUI-8/CEI-56G-VSR-PAM4 | 500 m |
QDD-4X100G-FR-S | QSFP-DD Transceiver, 4X 100GBASE-FR1, MPO-12, 2km parallel SMF | 4x 100GE | 400GAUI-8/CEI-56G-VSR-PAM4 | 2 km |
QDD-4X100G-LR-S | QSFP-DD Transceiver, 4X 100GBASE-LR1, MPO-12, 10km parallel SMF | 4x 100GE | 400GAUI-8/CEI-56G-VSR-PAM4 | 10 km |
QDD-400G-FR4-S | 400G QSFP-DD Transceiver, 400G- FR4, Duplex LC, 2km Duplex SMF | 425 | 400GAUI-8/CEI-56G-VSR-PAM4 | 2 km |
QDD-400G-LR4-S | 400G QSFP-DD Transceiver, 400G- LR4, Duplex LC, 10km Duplex SMF | 425 | 400GAUI-8/CEI-56G-VSR-PAM4 | 10 km |
QDD-400G-LR8-S | 400G QSFP-DD Transceiver, 400GBASE-LR8, Duplex LC, 10km Duplex SMF | 425 | 400GAUI-8/CEI-56G-VSR-PAM4 | 10 km |
QDD-2X100-SR4-S | 2x 100G QSFP-DD Transceiver, 2x 100GBASE-SR4, MPO-24 MMF, 100m OM4 | 2x100GE | 2x 100G CAUI-4 | 100 m |
QDD-2X100-CWDM4-S | 2x 100G QSFP-DD Transceiver, 2x 100G-CWDM4, Dual Duplex CS connector SMF, 2km SMF | 2X 100GE | 2x 100G CAUI-4 | 2 km |
QDD-2X100-LR4-S | 2x 100G QSFP-DD Transceiver, 2x 100GBASE-LR4, Dual Duplex CS connector, 10km SMF | 2X 100GE | 2x 100G CAUI-4 | 10 km |
Table 1. Cisco 400G QSFP-DD Cable and Transceiver Modules
Part ID | Product description |
QDD-400-CU0.5M | 400G QSFP-DD Transceiver, Passive Copper Cable, 0.5 meter |
QDD-400-CU1M | 400G QSFP-DD Transceiver, Passive Copper Cable, 1 meter |
QDD-400-CU2M | 400G QSFP-DD Transceiver, Passive Copper Cable, 2 meters |
QDD-400-CU2.5M | 400G QSFP-DD Transceiver, Passive Copper Cable, 2.5 meters |
QDD-400-CU3M | 400G QSFP-DD Transceiver, Passive Copper Cable, 3 meters |
QDD-4ZQ100-CU1M | QSFP-DD 4x 100GBASE-CR2 Passive Breakout Copper Cable, 1 meter |
QDD-4ZQ100-CU2M | QSFP-DD 4x 100GBASE-CR2 Passive Breakout Copper Cable, 2 meters |
QDD-4ZQ100-CU2.5M | QSFP-DD 4x 100GBASE-CR2 Passive Breakout Copper Cable, 2.5 meters |
QDD-4ZQ100-CU3M | QSFP-DD 4x 100GBASE-CR2 Passive Breakout Copper Cable, 3 meters |
QDD-2Q200-CU3M | QSFP-DD 2x 200GBASE-CR4 Passive Breakout Copper Cable, 3 meters |
QDD-400-AOC1M | 400G QSFP-DD Transceiver, Active Optical Cable, 1 meter |
QDD-400-AOC2M | 400G QSFP-DD Transceiver, Active Optical Cable, 2 meters |
QDD-400-AOC3M | 400G QSFP-DD Transceiver, Active Optical Cable, 3 meters |
QDD-400-AOC5M | 400G QSFP-DD Transceiver, Active Optical Cable, 5 meters |
QDD-400-AOC7M | 400G QSFP-DD Transceiver, Active Optical Cable, 7 meters |
QDD-400-AOC10M | 400G QSFP-DD Transceiver, Active Optical Cable, 10 meters |
QDD-400-AOC15M | 400G QSFP-DD Transceiver, Active Optical Cable, 15 meters |
QDD-400-AOC20M | 400G QSFP-DD Transceiver, Active Optical Cable, 20 meters |
QDD-400-AOC25M | 400G QSFP-DD Transceiver, Active Optical Cable, 25 meters |
QDD-400-AOC30M | 400G QSFP-DD Transceiver, Active Optical Cable, 30 meters |
QDD-400G-SR8-S | 400G QSFP-DD Transceiver, 400GBASE-SR8, MPO16 APC MMF 100m |
QDD-400G-SR4.2-BD | 400G QSFP-DD Transceiver, 400GBASE-SR4.2, MPO-12 MMF, 100m |
QDD-400G-DR4-S | 400G QSFP-DD Transceiver, 400GBASE-DR4, MPO-12, 500m parallel SMF |
QDD-4X100G-FR-S | QSFP-DD Transceiver, 4x 100GBASE-FR1, MPO-12, 2km parallel SMF |
QDD-4X100G-LR-S | QSFP-DD Transceiver, 4x 100GBASE-LR1, MPO-12, 10km parallel SMF |
QDD-400G-FR4-S | 400G QSFP-DD Transceiver, 400G-FR4, Duplex LC, 2km Duplex SMF |
QDD-400G-LR4-S | 400G QSFP-DD Transceiver, 400G-LR4, Duplex LC, 10km Duplex SMF |
QDD-400G-LR8-S | 400G QSFP-DD Transceiver, 400GBASE-LR8, 10km Duplex SMF, 10km |
QDD-2X100-SR4-S | 2x100G QSFP-DD Transceiver, 2X 100GBASE-SR4, MPO-24 MMF, 100m OM4 |
QDD-2X100-CWDM4-S | 2X 100G QSFP-DD Transceiver, 2X 100G-CWDM4, Dual Duplex CS, 2km SMF |
QDD-2X100-LR4-S | 2x 100G QSFP-DD Transceiver, 2x 100GBASE-LR4, Dual Duplex CS, 10km SMF |
