50G QSFP28 Active Optical Cables (for 2x25GE or 2x32GFC)
The Gigalight 50G QSFP28 Active Optical Cables (AOCs) are direct-attach fiber assemblies with QSFP28 connectors compliant with the QSFP MSA, 40G Ethernet 40GBASE-SR4, 25G Ethernet 25GBASE-SR, 32G Fibre Channel, and InfiniBand FDR/EDR. They are suitable for short distances and offer a cost-effective solution to connect within racks and across adjacent racks.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 3.13-3.47V |
| Operating Case Temperature | 0-70°C |
| Data Rate Per Lane | 25.78125-28.05Gbps |
| Humidity | 5-85% |
| Power Dissipation QSFP28 end | 1.3-1.6W |
| Fiber Bend Radius | 3cm |
| Differential Input Impedance | 90-110ohm |
| Differential Output Impedance | 90-110ohm |
| Differential Input Voltage Amplitude | 200-800mVp-p |
| Differential Output Voltage Amplitude | 500-800mVp-p |
| Skew | 300ps |
| Input Logic Level Low | 0-0.8V |
| Output Logic Level High | VCC-0.5-VCC |
| Output Logic Level Low | 0-0.4V |
| Centre Wavelength | 840-860nm |
| RMS Spectral Width | -0.6nm |
| Average launch power, each lane | -8.4-2.4dBm |
| Optical Modulation Amplitude (OMA), each Lane | -6.4-3dBm |
| Transmitter and dispersion eye closure (TDEC), 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} |
| Receiver Centre Wavelength | 840-860nm |
| Stressed Receiver Sensitivity in OMA | ≤-5.2dBm |
| Maximum Average power at receiver, each lane | ≤2.4dBm |
| Minimum Average power at receiver, each lane | ≤-10.3dBm |
| Receiver Reflectance | ≤-12dB |
| Los Assert | ≤-30dBm |
| LOS De-Assert OMA | ≥-7.5dBm |
| Los Hysteresis | 0.5dB |
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Key Features
Datasheet
Supplier Information
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