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| Brand Name : | Mray | 
| Model Number : | QSFP-40G-ER4 | 
| 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 40GE QSFP+ ER4 40km Optical Transceiver modules are designed for using in 40 Gigabit Ethernet and 4X10G OTN client interfaces over single mode fiber. They are compliant with the QSFP+ MSA, IEEE 802.3bm 40GBASE-ER4, and OTU3 requirements. The Gigalight technology enables the integration of 4 transmitters, 4 receivers and an optical MUX/DeMUX into a small form factor package.
| Parameter | Symbol | Min | Typical | Max | Unit | 
| Supply Voltage | Vcc | 3.13 | 3.3 | 3.47 | V | 
| Operating Case Temperature | Tc | 0 | 70 | ºC | |
| Data Rate Per Lane | fd | 9.95 | 10.3125 | 11.15 | Gb/s | 
| Humidity | Rh | 10 | 90 | % | |
| Power Dissipation | Pm | 3.5 | W | ||
| Fiber Bend Radius | Rb | 3 | cm | 
| Parameter | Symbol | Min | Typical | Max | Unit | 
| Transmitter | |||||
| Signaling Speed per Lane | 9.95 | 10.3 | 11.15 | GBd | |
| Center Wavelength | λc | 1264.5 | 1271 | 1277.5 | nm | 
| 1284.5 | 1291 | 1297.5 | |||
| 1304.5 | 1311 | 1317.5 | |||
| 1324.5 | 1331 | 1337.5 | |||
| Total Average Launch Power | Pout | 10.5 | dBm | ||
| Transmit OMA per Lane | -1.3 | 5 | dBm | ||
| Average Optical power per lane | TXPX | -2.7 | 4.5 | dBm | |
| Difference in launch power between any two lanes (OMA) | 4.7 | dB | |||
| Transmitter Dispersion Penalty | TDP | 2.6 | dB | ||
| Launch power (OMA) minus TDP per lane | -0.5 | dBm | |||
| Extinction Ratio | ER | 4.5 | dB | ||
| Sidemode Suppression ratio | SSRmin | 30 | dB | ||
| Average Launch Power of OFF Transmitter (each lane) | Poff | -30 | dB | ||
| Relative Intensity Noise | RIN | -128 | dB/Hz | ||
| Transmitter Eye Mask definition: X1, X2, X3, Y1, Y2, Y3 | {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} | ||||
| Jitter Generation | Per OTL3.4 section 4.14.1 | ||||
| Receiver | |||||
| Signaling Speed per Lane | 9.95 | 11.15 | GBd | ||
| Center Wavelength | λc | 1264.5 | 1271 | 1277.5 | nm | 
| 1284.5 | 1291 | 1297.5 | |||
| 1304.5 | 1311 | 1317.5 | |||
| 1324.5 | 1331 | 1337.5 | |||
| Receive Power (OMA) per Lane | RxOMA | -4.0 | dBm | ||
| Average Receive Power per Lane | RXPx | -21.2 | -4.5 | dBm | |
| Receiver Sensitivity (OMA) per Lane(@ PRBS 231-1 and BER=5×E-5) | Rxsens | -19 | dBm | ||
| Stressed Receiver Sensitivity (OMA)per Lane(@ PRBS 231-1 and BER=10-12) | SRS | -16.8 | dBm | ||
| Damage Threshold per Lane | PMAX | -8 | dBm | ||
| Return Loss | RL | -26 | dB | ||
| Jitter Tolerance | Per OTL3.4, G.8251 | ||||
| Vertical eye closure penalty, per lane | 2.2 | dB | |||
| Receive electrical 3 dB upper cutoff frequency, per lane | 12.3 | GHz | |||
| LOS Assert | LOSA | -35 | dBm | ||
| LOS De-Assert – OMA | LOSD | -19 | dBm | ||
| LOS Hysteresis | LOSH | 0.5 | dB | ||







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