100GBASE-SR4 QSFP28 Immersible Optical Transceiver
The Gigalight 100G QSFP28 SR4 (GL-Q101-SR4-Mxx) is designed for use in 100-Gigabit Ethernet links up to 100m over Multi-Mode Fiber (MMF), especially for liquid immersion environments. It is compliant with the QSFP28 MSA and IEEE 802.3bm 100GBASE-SR4 and CAUI-4 standards. Digital diagnostics functions are available via the I2C interface, as specified by the QSFP28 MSA. It integrates 4 data lanes in each direction with 4×25.78125Gb/s bandwidth. The electrical interface uses a 38-contact edge type connector. The optical interface uses a single male MPO-12 pigtail. This module incorporates Gigalight proven circuit and VCSEL technology to provide reliable long life, high performance, and consistent service.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | -0.3~3.6V |
| Input Voltage | -0.3~Vcc+0.3V |
| Storage Temperature | -20~85°C |
| Case Operating Temperature | 0~60°C |
| Humidity (non-condensing) | 5~95% |
| Supply Voltage | 3.13~3.47V |
| Operating Case Temperature | 0~60°C |
| Data Rate Per Lane | 25.78125Gb/s |
| Humidity | 5~85% |
| Power Dissipation | 2W |
| Fiber Bend Radius | 3cm |
| Liquid immersion depth | 10m |
| Differential Input Impedance | 90~110ohm |
| Differential Output Impedance | 90~110ohm |
| Differential Input Voltage Amplitude | 300~1100mVp-p |
| Differential Output Voltage Amplitude | 500~800mVp-p |
| Skew | 300ps |
| Bit Error Rate | 5×10^-5 |
| Input Logic Level High | 2.0~VccV |
| Input Logic Level Low | 0~0.8V |
| Output Logic Level High | Vcc-0.5V |
| Output Logic Level Low | 0~0.4V |
| Center Wavelength (Transmitter) | 840~860nm |
| RMS Spectral Width | 0.6nm |
| Average Launch Power (each lane) | -8.4~2.4dBm |
| Optical Modulation Amplitude (each lane) | -6.4~3dBm |
| Transmitter and Dispersion Eye Closure (each lane) | 4.3dB |
| Extinction Ratio | 3dB |
| Average Launch Power of OFF Transmitter (each lane) | -30dBm |
| Eye Mask Coordinates | {0.3,0.38,0.45,0.35,0.41,0.5} |
| Center Wavelength (Receiver) | 840~860nm |
| Stressed Receiver Sensitivity in OMA | -5.2dBm |
| Average Power at Receiver | -10.3~2.4dBm |
| Receiver Reflectance | -12dB |
| Los Assert | -30dBm |
| LOS De-Assert – OMA | -7.5dBm |
| Los Hysteresis | 0.5dB |
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Supplier Information
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