- Sketch
- structural parameters
- Performance
- Other information

1. Maximum power consumption is 10W, equipped with Inphi DSP chip
2. Passed relevant tests, high product quality and good performance
3. Complies with standard QSFP-DD MSA CMIS Rev5.0 and OIF 56G PAM4
4. The package is hot-swappable QSFP-DD
5. Complies with high-speed electrical interface IEEE 802.3cd standard
6. QSFP-DD port is backward compatible with QSFP+, QSFP28 and QSFP56 modules
| Model name | QDD-400G-SR8-S |
| Package | QSFP-DD |
| Wavelength | 850nm |
| Interface | MTP/MPO-16(APC) |
| Transmitter type | VCSEL 850nm |
| Transmit power | -6~4.0dBm |
| Power budget | 1.9 dB |
| Power consumption | ≤10W |
| Data diagnosis(DDM/DOM) | Support |
| CDR(Data Clock Recovery) | Transmit and receive |
| Wire size | 50/125um |
| Technical Agreement | IEEE 802.3cd,QSFP-DD MSA, CMIS 5.0 |
| Model name | QDD-400G-SR8-S | Brand | Dong Jie |
| Package | QSFP-DD | Maximum transmission rate | 425Gbps |
| Wavelength | 850nm | Maximum transmission distance | 70m@OM3/100m@OM4 |
| Interface | MTP/MPO-16(APC) | Fiber type | MMF |
| Transmitter type | VCSEL 850nm | Receiver type | PIN |
| Transmit power | –6~4.0dBm | Receive power | -7.9~4.0dBm |
| Power budget | 1.9 dB | Modulation | 8x 50G PAM4 |
| Power consumption | ≤10W | Extinction ratio | 3 dB |
| Data diagnosis(DDM/DOM) | Support | Commercial temperature range | 0~70℃(32~158°F) |
| CDR(Data Clock Recovery) | Transmit and receive | Built-inFEC | No |
| Wire size | 50/125um | Packaging technology | COB |
| Technical Agreement | IEEE 802.3cd,QSFP-DD MSA, CMIS 5.0 | Warranty | 5Years |
| 聯絡方式/CONTACT | |||
| 手機/微信號 Mobile phone/WeChat ID | 177 6800 0800 竇先生 業務總監 / Mr.Dou Business Director | ||
| 180 1075 7228 李女士 業務經理 / Ms.li Business Manager | |||
| What’s app | +86 180 1075 7228 | Skype | +86 180 1075 7228 |
| Linkedln | DJ Optical Technology | Line Id | djoptical2024 |
| 信箱/Email | djmt@djopticals.com | 電話/Phone No. | 0512-6655-8801 |
