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Cisco QDD-400G-SR8-S Compatible 400G QSFP-DD SR8 supports to 100m over OM4 fiber, 8x26.5625 GBd (PAM4) EI, and uses a wavelength of 850nm via MPO-16 connector. The Transceiver supports eight electrical interface channels that operate in 50G PAM4 coding mode to produce 400G (8x50G) data rates. It is compliant with the IEEE 802.3bs protocol and the 400GAUI-8/CEI-56G-VSR-PAM4 standard. The multiplexing and demultiplexing of eight wavelengths are managed within the device, and 400G signals are connected from the server side (NIC) to the data center aggregation switch.
| Cisco Compatible | QDD-400G-SR8-S | Vendor Name | FiberMall |
| Form Factor | QSFP-DD | Max Data Rate | 425Gbps |
| Wavelength | 850nm | Max Distance | 70m on OM3/100m on OM4 |
| Modulation Format | PAM4 | Host Required | FEC |
| Connector | MTP/MPO-16 | Voltage Supply | 3.3V |
| Cable Type | MMF | DDM Support | Yes |
| Transmitter Type | 850nm VCSEL | Receiver Type | PIN |
| TX Power | -6.5~+4.0dBm | Receiver Sensitivity | < -7.9dBm |
| Operation Temperature | 0 to 70°C (32 to 158°F) | Maximum Power | < 12W |
| Protocols | QSFP-DD MSA, IEEE 802.3bs | Application | 400G Ethernet, Data Center Interconnect, Infiniband Interconnects |
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Professional Service
Worry-Free Guarantee
Premium Quality
Optical communication products belong to industrial products,which require high stability and reliability.FIBERMALL adopts leading product design, first-class raw materials and production technology to ensure the first-class quality of our products, so that your project can be used, installed stably and reliably
Temperature Impact
Mechanical Impact
EMI Testing
MTBF Testing
FiberMall Compatibility Testing Center has most of the mainstream brand switches and devices.Before shipment,We will code the optical modules or DAC/AOC cables,then test them on the corresponding switches to ensure that our products are 100% compatible with your system.
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Cisco Compatible
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QDD-400G-SR4.2-BD
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QDD-400G-SR4-S
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QDD-400G-SR8-S
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Vendor Name
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FiberMall
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FiberMall
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FiberMall
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Form Factor
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QSFP-DD
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QSFP-DD
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QSFP-DD
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Max Data Rate
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425Gbps
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-
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425Gbps
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Wavelength
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850nm/910nm
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850nm
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850nm
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Max Distance
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100m on OM4/150m on OM5
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60m on OM3/100m on OM4
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70m on OM3/100m on OM4
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Modulation Format
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PAM4
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PAM4
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PAM4
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Host Required
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FEC
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FEC
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FEC
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Connector
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MTP/MPO-12
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MTP/MPO-12
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MTP/MPO-16
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Voltage Supply
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3.3V
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3.3V
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3.3V
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Cable Type
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MMF
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MMF
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MMF
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DDM Support
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Yes
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Yes
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Yes
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Receiver Type
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PIN
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PIN
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PIN
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TX Power
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-6.5~+4.0dBm
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-4.6~+4.0dBm
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-6.5~+4.0dBm
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Receiver Sensitivity
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< -6.6dBm
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<-6.4dBm
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< -7.9dBm
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Operation Temperature
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0 to 70°C (32 to 158°F)
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0 to 70°C (32 to 158°F)
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0 to 70°C (32 to 158°F)
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Maximum Power
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< 12W
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<9W
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< 12W
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Protocols
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QSFP-DD MSA, IEEE 802.3bs
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QSFP-DD MSA, IEEE 802.3bs
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QSFP-DD MSA, IEEE 802.3bs
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Application
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400G Ethernet, Data Center Interconnect, Infiniband HDR, EDR
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400G Ethernet, Data Center Interconnect
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400G Ethernet, Data Center Interconnect, Infiniband Interconnects
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