E-link China Technology Co.,LTD
| Packaging Details | QSFP Fiber Transceiver Standard Export Package |
| Delivery Time | 3~5 working days |
| Payment Terms | Paypal, TT, Western Union, MoneyGram, Alipay |
| Supply Ability | 5000 pcs per month |
| Product Name | 400G QSFP Fiber Transceivers |
| Connector Type | MPO-12 Connector |
| Data Rate | 400G |
| Wavelength | 1310nm |
| Distance | 500m |
| Warranty | 3 Years |
| Brand Name | E-link |
| Model Number | LNK-QDD-400G-DR4-05 |
| Place of Origin | China |
| Certification | CE, RoHS, FCC |
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Product Specification
| Packaging Details | QSFP Fiber Transceiver Standard Export Package | Delivery Time | 3~5 working days |
| Payment Terms | Paypal, TT, Western Union, MoneyGram, Alipay | Supply Ability | 5000 pcs per month |
| Product Name | 400G QSFP Fiber Transceivers | Connector Type | MPO-12 Connector |
| Data Rate | 400G | Wavelength | 1310nm |
| Distance | 500m | Warranty | 3 Years |
| Brand Name | E-link | Model Number | LNK-QDD-400G-DR4-05 |
| Place of Origin | China | Certification | CE, RoHS, FCC |
| High Light | QSFP-DD Module Transceiver ，Module Transceiver 1310nm ，400G SFP Fiber Transceivers | ||
Our product is compliant with the IEEE802.3bs standard, ensuring a high level of compatibility and performance for your network needs:
In addition, our product also meets the following standard:
To further guarantee the quality and compatibility of our product, it also adheres to the following specifications:
We understand the importance of performance and safety, which is why our product also has the following features:
Table 1 – Absolute Maximum Ratings
| Parameter | Symbol | Min. | Max. | Unit | Notes |
| Storage Temperature | TS | -40 | 85 | ºC | |
| Supply Voltage | VCC | -0.5 | 3.6 | V | |
| Relative Humidity (non-condensing) | RH | 5 | 95 | % | |
| Control Input Voltage | VI | -0.3 | VCC+0.5 | V |
Table 2 – Recommended Operating Conditions
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
| Operating Case Temperature | TOPR | 0 | - | 70 | ºC | |
| Power Supply Voltage | VCC | 3.135 | 3.3 | 3.465 | V | |
| Instantaneous peak current at hot plug | ICC_IP | - | - | 4000 | mA | |
| Sustained peak current at hot plug | ICC_SP | - | - | 3300 | mA | |
| Maximum Power Dissipation | PD | - | - | 10 | W | |
| Maximum Power Dissipation, Low Power Mode | PDLP | - | - | 1.5 | W | |
| Signalling Rate per Lane | SRL | - | 53.125 | - | GBd | PAM4 |
| Two Wire Serial Interface Clock Rate | - | - | - | 400 | kHz | |
| Power Supply Noise Tolerance (10Hz - 10MHz) | - | - | - | 66 | mV | |
| Rx Differential Data Output Load | - | - | 100 | - | Ohm | |
| Operating Distance | - | 2 | - | 500 | m |
Table 3 – Transmitter Optical Specifications
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
| Wavelength | λC | 1304.5 | 1311 | 1317.5 | nm | |
| Side Mode Suppression Ratio | SMSR | 30 | - | - | dB | |
| Average Launch Power, each lane | AOPL | -2.9 | - | 4.0 | dBm | 1 |
| Outer Optical Modulation Amplitude (OMAouter), each lane | TOMA | -0.8 | - | 4.2 | dBm | 2 |
| Launch Power in OMAouter minus TDECQ, each lane | TOMA | -2.2 | - | - | dBm | |
| Transmitter and Dispersion Eye Closure for PAM4 (TDECQ), each lane | TDECQ | - | - | 3.4 | dB | |
| TDECQ – 10log10(Ceq) | - | - | - | 3.4 | dB | |
| Average Launch Power of OFF Transmitter, each lane | TOFF | - | - | -15 | dBm | |
| Extinction Ratio, each lane | ER | 3.5 | - | - | dB | |
| Transmitter transition time | - | - | - | 17 | ps | |
| RIN21.4OMA | RIN | - | - | -136 | dB/Hz | |
| Optical Return Loss Tolerance | ORL | - | - | 21.4 | dB | |
| Transmitter Reflectance | TR | - | - | -26 | dB | 3 |
Table 4 – Receiver Optical Specifications
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
| Wavelength | λC | 1304.5 | 1311 | 1317.5 | nm | |
| Damage Threshold, each lane | AOPD | 5 | - | - | dBm | |
| Average Receive Power, each lane | AOPR | -5.9 | - | 4.0 | dBm | 1 |
| Receive Power (OMAouter), each lane | OMAR | - | - | 4.2 | dBm | |
| Receiver Reflectance | RR | - | - | -26 | dB | |
| Receiver Sensitivity (OMAouter), each lane | SOMA | - | - | -4.4 | dBm | 2 |
| Stressed Receiver Sensitivity (OMAouter), each lane | SRS | - | - | -1.9 | dBm | 3 |
| Conditions of stressed receiver sensitivity test | ||||||
| Stressed eye closure for PAM4 (SECQ) | 3.4 | dB | ||||
| SECQ – 10log10(Ceq), lane under test | - | - | - | 3.4 | dB | |
| OMAouter of each aggressor lane | 4.2 | dBm |
| Parameter | Range | Accuracy | Unit | Calibration |
| Temperature | 0 to 70 | ±3 | ºC | Internal |
| Voltage | 0 to VCC | 3% | V | Internal |
| Tx Bias Current (Each Lane) | 0 to 100 | 10% | mA | Internal |
| Tx Output Power (Each Lane) | -2.9 to +4.0 | ±3 | dB | Internal |
| Rx Receive Power (Each Lane) | -5.9 to +4.0 | ±3 | dB | Internal |
Our QSFP Fiber Transceivers are carefully packaged to ensure safe and secure delivery to our customers. Each product is individually wrapped in anti-static packaging and placed in a sturdy cardboard box to protect it from damage during transit.
For larger orders, we use padded boxes or crates to provide additional protection and ensure that all products arrive in perfect condition.
Our shipping process is efficient and reliable, with orders being shipped within 24 hours of payment confirmation. We offer a variety of shipping options to meet our customers' needs, including standard ground shipping, express shipping, and international shipping.
We also provide tracking information for all orders, so our customers can easily track their package and know when to expect delivery.
At QSFP Fiber Transceivers, we take great care in packaging and shipping our products to ensure they reach our customers in perfect condition and on time.
| Part No. | Application | Data Rate | Laser Source | Fiber Type |
| LNK-QDD-400G-DR4-05 | 400GBASE-DR4 | 400GB Ethernet | EML | Single Mode Fiber |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2001
Total Annual:
>10000000
Employee Number:
21~200
Ecer Certification：
Verified Supplier
Established in 2001 & headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China. Our main products include: Fiber Media Converters Industrial Ethernet PoE switchs P... Established in 2001 & headquartered in Shenzhen, E-link China Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China. Our main products include: Fiber Media Converters Industrial Ethernet PoE switchs P...
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