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| Brand Name : | Mray | 
| Model Number : | QSFP-40G-LR4 | 
| 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+ 40G-LR4-10km module is a highly integrated 4x10G transceiver focused on reach, bandwidth, density and cost for high port-count 40G systems, and client-side 40G interfaces. The 40G QSFP+ LR4 Lite transceiver is designed for applications based on the IEEE802.3ba 40GBASE-LR4 standard of up to 10km reach.
| 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 | Km | 10 | 
| Parameter | Symbol | Min | Typical | Max | Unit | |
| Center Wavelength | Ch0 | λ0 | 1264.5 | - | 1277.5 | nm | 
| Ch1 | λ1 | 1284.5 | - | 1297.5 | nm | |
| Ch2 | λ2 | 1304.5 | - | 1317.5 | nm | |
| Ch3 | λ3 | 1324.5 | 1337.5 | nm | ||
| Bit Rate per Channel | B | 10.3125 | 10.7546 | Gb/s | ||
| Total Average Launch Power | POUT | - | - | 8.0 | dBm | |
| Side Mode Suppression Ratio | SMSR | 30 | - | - | dB | |
| Average launch power, each lane | -6.8 | - | 2.0 | dBm | ||
| Optical Modulation Amplitude (each lane) | OMA | -3.8 | - | 3.5 | dBm | |
| Optical Modulation Amplitude (OMA) - TDP, per lane (min) | - | -4.8 | - | - | dBm | |
| Transmission & dispersion penalty, each lane | TDP | - | - | 2.3 | dB | |
| RIN12 OMA | - | - | - | -128 | dB/Hz | |
| Transmitter Reflectance | - | - | - | -12 | dB | |
| Extinction Ratio | ER | 3.5 | - | dB | ||
| Transmitter eye mask definition {X1, X2, X3, Y1, Y2, Y3} | {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} | |||||
| Average launch power of OFF transmitter, each lane | - | - | - | -30 | dBm | |
| Optical return loss tolerance | - | - | - | 20 | dB | |
| Parameter | Symbol | Min | Typical | Max | Unit | |
| Center Wavelength | Ch0 | λ0 | 1264.5 | 1271 | 1277.5 | nm | 
| Ch1 | λ1 | 1284.5 | 1291 | 1297.5 | nm | |
| Ch2 | λ2 | 1304.5 | 1311 | 1317.5 | nm | |
| Ch3 | λ3 | 1324.5 | 1331 | 1337.5 | nm | |
| Bit Rate per Channel | B | 10.3125 | - | 10.7546 | Gb/s | |
| Damage threshold, each lane | - | 3.4 | - | - | dBm | |
| Average receive power, each lane | - | -13.5 | - | 2.0 | dbm | |
| Unstressed Sensitivity (OMA) at 10 x 10-12BER | OMAin | - | - | -11.5 | dBm | |
| Stressed Sensitivity (OMA) | OMAin,str | - | - | -9.9 | dBm | |
| Receiver Reflectance | ORL | - | - | -26 | dB | |
| Vertical eye closure penalty, each lane | VECP | - | - | 1.6 | dB | |
| Receive electrical 3 dB upper cutoff frequency, per lane | - | - | - | 12.3 | GHZ | |
| Stressed eye J2 Jitter, each lane | J2 | - | - | 0.42 | UI | |
| Stressed eye J9 Jitter, each lane | J9 | - | - | 0.65 | UI | |
| Eye mask coordinates #1 {X1, X2 Y1, Y2} Hit ratio = 5 x 10E-5 | { 0.29, 0.5 150, 425} | |||||







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