E-link China Technology Co., Ltd.
E-link China Technology Co.,Ltd. Professional Fiber Optical Communication and CCTV Security Transmission Product Manufacturer
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QSFP Module 400GBASE-LR8 QSFP-DD 1310nm 10KM Transceiver Single Mode Duplex LC
400G Ethernet Optical Module Advantages
► Compliant with QSFP-DD MSA HW Rev 5.0 with duplex LC connector
► Compliant with QSFP-DD CMIS Rev 4.0
► Two wire serial Interface with digital diagnostic monitoring
► Complies with EU Directive 2011/65/EU (RoHS compliant)
Transmitter Optical Specifications
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
| Wavelength L0 | λC0 | 1272.55 | 1273.55 | 1274.54 | nm |
|
| Wavelength L1 | λC1 | 1276.89 | 1277.89 | 1278.89 | nm |
|
| Wavelength L2 | λC2 | 1281.25 | 1282.26 | 1283.27 | nm |
|
| Wavelength L3 | λC3 | 1285.65 | 1286.67 | 1287.68 | nm |
|
| Wavelength L4 | λC4 | 1294.53 | 1295.56 | 1296.59 | nm |
|
| Wavelength L5 | λC5 | 1299.02 | 1300.06 | 1301.09 | nm |
|
| Wavelength L6 | λC6 | 1303.54 | 1304.59 | 1305.63 | nm |
|
| Wavelength L7 | λC7 | 1308.09 | 1309.14 | 1310.19 | nm |
|
| Side Mode Suppression Ratio | SMSR | 30 | - | - | dB |
|
| Total Average Launch Power | AOPT | - | - | 13.2 | dBm |
|
| Average Launch Power, each lane | AOPL | -2.8 | - | 5.3 | dBm | 1 |
| Outer Optical Modulation Amplitude (OMAouter), each Lane | TOMA | 0.2 | - | 5.7 | dBm |
|
| Difference in Launch Power between any two Lanes (OMAouter) | DT_OMA | - | - | 4 | dB |
|
| Launch Power in OMAouter minus TDECQ, | TOMA-TDECQ | -1.2 | - | - | dBm |
|
| Launch Power in OMAouter minus TDECQ, | TOMA-TDECQ | -1.1 | - | - | dBm |
|
| Transmitter and Dispersion Eye Closure for PAM4 (TDECQ), each lane | TDECQ | - | - | 3.1 | dB |
|
| Average Launch Power of OFF Transmitter, | TOFF | - | - | -30 | dBm |
|
| Extinction Ratio | ER | 3.5 | - | - | dB |
|
| RIN15.1OMA | RIN | - | - | -132 | dB/Hz |
|
| Optical Return Loss Tolerance | ORL | - | - | 15.1 | dB |
|
| Transmitter Reflectance | TR | - | - | -26 | dB | 2 |
Receiver Optical Specifications
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
| Wavelength L0 | λC0 | 1272.55 | 1273.55 | 1274.54 | nm |
|
| Wavelength L1 | λC1 | 1276.89 | 1277.89 | 1278.89 | nm |
|
| Wavelength L2 | λC2 | 1281.25 | 1282.26 | 1283.27 | nm |
|
| Wavelength L3 | λC3 | 1285.65 | 1286.67 | 1287.68 | nm |
|
| Wavelength L4 | λC4 | 1294.53 | 1295.56 | 1296.59 | nm |
|
| Wavelength L5 | λC5 | 1299.02 | 1300.06 | 1301.09 | nm |
|
| Wavelength L6 | λC6 | 1303.54 | 1304.59 | 1305.63 | nm |
|
| Wavelength L7 | λC7 | 1308.09 | 1309.14 | 1310.19 | nm |
|
| Damage Threshold, each Lane | AOPD | 6.3 | - | - | dBm |
|
| Average Receive Power, each Lane | AOPR | -9.1 | - | 5.3 | dBm |
|
| Receive Power (OMAouter), each Lane | OMAR | - | - | 5.7 | dBm |
|
| Difference in Receive Power between any two Lanes (OMAouter) | DR_OMA | - | - | 4.5 | dB |
|
| Receiver Reflectance | RR | - | - | -26 | dB |
|
| Receiver Sensitivity (OMAouter), each Lane | SOMA | - | - | -7.1 | dBm | 1 |
| Stressed Receiver Sensitivity (OMAouter), | SRS | - | - | -4.7 | dBm | 2 |
Ordering Information
| Part No. | Application | Data Rate | Laser Source | Fiber Type |
| LNK-QDD-400G-LR8-10 | 400GBASE-LR8 | 400GB Ethernet | EML | Single Mode Fiber |