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| Brand Name : | Mray | 
| Model Number : | QSFP-40G-SR4 | 
| Certification : | CE, FCC, RoHs, ISO9001 | 
| Price : | Negotiable | 
| Payment Terms : | T/T, Western Union, L/C | 
| Supply Ability : | 10000pcs/day | 
| Delivery Time : | 1~2 days for samples | 
Miray’s QSFP+ transceiver modules are designed for use in 40 Gigabit Ethernet links over single mode fiber.
They are compliant with SFF-8436, INF-8438i and IEEE 802.3ba 40GBASE-SR4. Digital diagnostics functions are available via an I2C interface, as specified by the QSFP+ MSA.
Parameter  | Symbol  | Unit  | Min  | Typ  | Max  | 
Operating Case Temperature Range  | Tc  | oC  | 0  | 70  | |
Power Supply Voltage  | Vcc  | V  | 3.14  | 3.3  | 3.46  | 
Bit Rate  | BR  | Gb/s  | 41.2  | ||
Bit Error Ratio  | BER  | 10-12  | |||
Max Supported Link Length  | L  | m  | 300  | 
Parameter  | Symbol  | Unit  | Min  | Typ  | Max  | Notes  | 
Transmitter(per Lane)  | ||||||
Signaling Speed per Lane  | GBd  | 10.3125  | ||||
Lane Wavelength (range):  | nm  | 850  | ||||
Total Average Launch Power  | Pout  | dBm  | 5.0  | |||
Transmit OMA per Lane  | TxOMA  | dBm  | -2.5  | 3.0  | ||
Average Launch Power per Lane  | TXPx  | dBm  | -7  | 2.3  | ||
Optical Extinction Ratio  | ER  | dB  | 3.0  | |||
Average launch power of OFF transmitter, per lane  | dBm  | -30  | ||||
Relative Intensity Noise  | RIN  | dB/Hz  | -128  | |||
Optical Return Loss Tolerance  | dB  | 12  | ||||
Receiver(per Lane)  | ||||||
Signaling Speed per Lane  | GBd  | 10.3125  | ||||
Lane Wavelength (range):  | nm  | 850  | ||||
Receive Power(OMA) per Lane  | RxOMA  | dBm  | 3.5  | |||
Average Received Power per Lane  | RXPx  | dBm  | -13.7  | 2.3  | ||
Receiver sensitivity (OMA), each lane (max)  | dBm  | -11.5  | ||||
Stressed Receive Sensitivity(OMA) per lane  | SRS  | dBm  | -9.6  | |||
Damage Threshold Per Lane  | Pmax  | dBm  | 3.4  | |||
Return Loss  | RL  | -26  | ||||
Vertical eye closure penalty, per lane  | dB  | 1.9  | ||||
Receiver electrical 3dB upper cutoff frequency,per lane  | GHz  | 12.3  | ||||
LOS De-Assert  | LOSD  | dBm  | -15  | |||
LOS Assert  | LOSA  | dBm  | -30  | |||
LOS Hysteresis  | dB  | 1  | ||||







                                 
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