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| Categories | QSFP28 Module | 
|---|---|
| Brand Name: | Mray | 
| Model Number: | QSFP28-100G-LR4 | 
| Certification: | CE, FCC, RoHs, ISO9001 | 
| Place of Origin: | Shenzhen, China | 
| MOQ: | 1 piece | 
| Price: | Negotiable | 
| Payment Terms: | T/T, Western Union, L/C | 
| Supply Ability: | 10000pcs/day | 
| Delivery Time: | 1~2 days for samples | 
| Packaging Details: | 10pcs/plastic try, 500pcs per standard export carton | 
| Product name: | QSFP 100G LR4 QSFP28 Optical Transceiver Module 10km | 
| Data rate: | 100Gbps | 
| Fiber Type: | SMF | 
| Wavelength: | 1270nm to 1310nm | 
| Distance: | 10km | 
| Compatible: | Cisco, Huawei, HP, Juniper | 
The 100GBASE-LR4 QSFP28 transceiver converts 4 input channels of 25 Gbps electrical data to 4 channels of LAN WDM optical signals and then multiplexes them into a single channel for 100G optical transmission. It focuses on longer transmission distance over single-mode fiber.
On the receiver side, the module demultiplexes a 100G optical input into 4 channels of LAN WDM optical signals and then converts them to 4 output channels of electrical data. 100G QSFP28 LR4 has a duplex LC interface, The central wavelengths of the 4 LAN WDM channels are 1295.56, 1300.05, 1304.58 and 1309.14 nm as members of the LAN WDM wavelength grid defined in IEEE 802.3ba. The 100GBASE-LR4 QSFP28 transceiver provides superior performance for 100G applications up to 10 km over SMF and compliant to optical interface with IEEE802.3ba 100GBASE-LR4 requirements.
QSFP28 LR4 100G transceiver module is designed for 100Gigabit Ethernet links over 10Km single mode fiber. It is compliant with IEEE 802.3ba 100GBASE-LR4. Digital diagnostics functions are available via an I2C interface, as specified by the QSFP28 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 | 103.1 | ||
| Bit Error Ratio | BER | 10-12 | |||
| Max Supported Link Length | L | Km | 10 | 
| Parameter | Symbol | Unit | Min | Typ | Max | Notes | 
| Transmitter(per Lane) | ||||||
| Signaling Speed per Lane | GBd | 25.78125 ± 100 ppm | ||||
| Lane Wavelength (range): L0 L1 L2 L3 | nm | 1294.53 – 1296.59 1299.02 – 1301.09 1303.54 – 1305.63 1308.09–1310.19 | ||||
| Total Average Launch Power | Pout | dBm | 10.5 | |||
| Transmit OMA per Lane | TxOMA | dBm | -1.3 | 4.5 | ||
| Average Launch Power per Lane | TXPx | dBm | -4.3 | 4.5 | ||
| Optical Extinction Ratio | ER | dB | 4 | |||
| Side-Mode Suppression Ratio (SMSR) | SMSR | dB | 30 | |||
| Average launch power of OFF transmitter, per lane | dBm | -30 | ||||
| Relative Intensity Noise | RIN | dB/Hz | -128 | |||
| Optical Return Loss Tolerance | dB | 20 | ||||
| Transmitter Reflectance | dB | -12 | ||||
| Transmitter Eye mask definition {X1,X2,X3, Y1,Y2,Y3} | {0.25,0.4,0.45,0.25,0.28,0.4} | |||||
| Receiver(per Lane) | ||||||
| Signaling Speed per Lane | GBd | 25.78125 ± 100 ppm | ||||
| Lane Wavelength (range): L0 L1 L2 L3 | nm | 1294.53 – 1296.59 1299.02 – 1301.09 1303.54 – 1305.63 1308.09–1310.19 | ||||
| Receiver Sensitivity (OMA) per Lane | Rxsens | dBm | -8.6 | dBm | ||
| Average Received Power per Lane | RXPx | dBm | -10.6 | 4.5 | ||
| 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 | 31 | ||||
| LOS De-Assert | LOSD | dBm | -11.6 | |||
| LOS Assert | LOSA | dBm | -24 | |||
| LOS Hysteresis | dB | 1.5 | ||||









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