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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.
| Cisco Compatible | QDD-400G-FR4-S | Vendor Name | Trxcom |
| Form Factor | QSFP-DD | Max Data Rate | 400Gbps |
| Wavelength | 1271nm,1291nm,1311nm,1331nm | Max. Cable Distance | 2km |
| Connector | Duplex LC/UPC | Media | SMF |
| Modulation Format | CWDM EML | Receiver Type | PIN |
| TX Power | -3.2~4.4dBm | Minimum Receiver Power | -7.2dBm |
| Power Budget | 4dB | Receiver Overload | 4.4dBm |
| Max. Power Consumption | 9W | Extinction Ratio | 3.5dB |
| DDM/DOM | Supported | Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Protocols | QSFP-DD MSA, CMIS.5.0, IEEE 802.3bs | Warranty | 5 Years |
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