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| MPN | QSFP-40G-CSR4-MM850-NDDM |
| Empowerfiber PN | QSFP-40G-CSR4-MM850-NDDM_tr4286 |
| Form Factor | QSFP plus |
| Max Data Rate | 40Gbps |
| Wavelength | 850nm |
| Interface | MTP/MPO |
| Max Distance | 400m@OM4MMF |
| Optical Components | VCSEL 850nm |
| Cable Type | MMF |
| DDM support | Yes |
| TX power | -5.6~3dBm |
| Working Temperature Range | 0 to 70°C (32 to 158°F) |
| Compatible brand | H3C |