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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Fiber Optic Module 50G LR QSFP28 Transceiver 10KM Duplex LC Connector SMF
50G QSFP+ Transceiver Advantages
► Compliant with IEEE 802.3cn 50GBASE-LR
► EML laser and PIN Receiver
► QSFP28 MSA package with duplex LC connector
► EML laser and PIN Receiver
► Complies with EU Directive 2011/65/EU (RoHS compliant)
Transmitter Optical Specifications
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
| Wavelength | λ | 1304.5 | 1311 | 1317.5 | nm |
|
| Side-mode suppression ratio | SMSR | 30 |
|
| dB |
|
| Average launch power | POUT | -4.5 | - | 4.2 | dBm |
|
| Average launch power of OFF transmitter | POUT_OFF | - | - | -30 | dBm |
|
| Outer Optical Modulation Amplitude (OMAouter) | POUTL | -1.5 | - | 4 | dBm |
|
| Extinction ratio | ER | 3.5 | - | - | dB |
|
| Launch power in OMAouter minus TDECQ | OMA-TDECQ | -2.9 | - | - | dBm |
|
| Transmitter and dispersion eye closure for PAM4 (TDECQ) | TDECQ | - | - | 3.2 | dB | 1 |
| Spectrum wavelength | λ -20 | - | - | 1 | nm |
|
| Optical return loss tolerance | ORLT | - | - | 15.6 | dB |
|
| RIN15.6OMA | RIN | - | - | -132 | dB/Hz |
|
| Transmitter reflectance |
| - | - | -26 | dB |
Receiver Optical Specifications
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
| Wavelength | λ | 1304.5 | 1311 | 1317.5 | nm |
|
| Receiver sensitivity (OMAouter) |
|
|
| max(–8.4; SECQ – 9.8) | dBm | 1 |
| Stressed receiver sensitivity (OMAouter) | - | - | - | -6.6 | dBm | 2 |
| Conditions of stressed receiver sensitivity test: |
| |||||
| Stressed eye closure for PAM4 (SECQ) | - | - | - | 3.2 | dB |
|
| Damage Threshold | P_damage | 5.2 | - | - | dBm |
|
| Average Receive Power | - | -10.8 | - | 4.2 | dBm |
|
| Receive power (OMAouter) | OMA | - | - | 4 | dBm |
|
| Receiver Reflectance | RXR | - | - | -26 | dB |
|
| LOS assert | LOSA | -30 |
|
| dBm |
|
| LOS de-assert | LOSD |
|
| -11 | dBm |
|
| LOS hysteresis | LOSH | 0.5 |
|
| dB | |
Ordering Information
| Part Number | Application | Data Rate | Laser Source | Fiber Type |
| LNK-SFP50G-LR | 50GBASE-LR | 53.125 Gb/s | EML Laser | SMF |