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 Fiber Transceiver 50G ER BIDI QSFP28 40KM Module Single LC
50G QSFP Transceiver Advantages
► Bi-directional application
► QSFP28 MSA package with single LC connector
► EML laser and APD Receiver
► Maximum power consumption 4.5W
► Compliant with QSFP28 Standard and 50GBASE-BR40:
SFF-8665 Revision 1.9, SFF-8636 Revision 2.10a
Transmitter Optical Specifications
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
| Wavelength | λA | 1292.21 | - | 1296.59 | nm | 1 |
| λB | 1306.29 | - | 1310.19 | nm | 2 | |
| Side-mode suppression ratio | SMSR | 30 | - | - | dB | |
| Average launch power | POUT | 0.4 | - | 6.63 | dBm | |
| Average launch power of OFF transmitter | POUT_OFF | - | - | -15 | dBm | |
| Outer Optical Modulation Amplitude (OMAouter) | POUTL | 3.4 | - | 7.4 | dBm | |
| Extinction ratio | ER | 6 | - | - | dB | |
| Launch power in OMAouter minus TDECQ | OMA-TDECQ | 2 | - | - | dBm | |
| Transmitter and dispersion eye closure for PAM4 (TDECQ) | TDECQ | - | - | 3.2 | dB | 3 |
| Transmitter reflectance | - | - | -26 | dB |
Receiver Optical Specifications
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
| Wavelength | λA | 1306.29 | 1310.19 | nm | 1 | |
| λB | 1292.21 | 1296.59 | nm | 2 | ||
| Receiver sensitivity (OMAouter) | max(−15.1, SECQ − 16.5) | dBm | 3 | |||
| Damage Threshold | P_damage | -2.37 | - | - | dBm | |
| Overload | -3.37 | - | - | dBm | ||
| Average Receive Power | - | -17.6 | - | -3.37 | dBm | |
| Receive power (OMAouter) | OMA | - | - | -2.6 | dBm | |
| Receiver Reflectance | RXR | - | - | -26 | dB | |
| LOS assert | LOSA | -30 | dBm | |||
| LOS de-assert | LOSD | -20 | dBm | |||
| LOS hysteresis | LOSH | 0.5 | dB |
Ordering Information
| Part Number | Application | Data Rate | Laser Source | Fiber Type |
| LNK-SFP50G-BX40-1295 | 50GBASE-BR40 | 53.125 Gb/s | EML Laser | SMF |