Ascent's 400G QSFP-DD to 2x200G QSFP56 breakout Active Optical Cable operates over Multi-Mode Fiber (MMF). It is designed for short-range data communication and interconnect applications.
Absolute Maximum Ratings
Parameter | Symbol | Min. | Max. | Unit |
Storage Temperature Range | TS | -20 | 85 | °C |
Supply Voltage | VCC | -0.5 | 4.0 | V |
Operating Relative Humidity | RH | 0 | 85 | % |
Recommended Operating Conditions
Parameter | Symbol | Min | Typ | Max. | Unit |
Operating Case Temperature | TOPR | 0 | 70 | °C | |
Power Supply Voltage | VCC | 3.135 | 3.3 | 3.465 | V |
Bit Rate (per Channel) | BR | 26.5625 | GBd | ||
Humidity | RH | 5 | 85 | % | |
Fiber Bend Radius | FBR | 3 | cm |
Electrical Specifications
Parameter | Symbol | Unit | Min. | Typ. | Max. | Note |
Supply Voltage | VCC VCC3.3Tx VCC3.3-Rx |
V |
3.135 |
3.3 |
3.465 | |
Power Consumption (QSFP-DD) | Pc | W | 11 | Per-end | ||
Power Consumption (QSFP56) | Pc | W | 5 | Per-end | ||
Transceiver Power-On Initialize Time | ms | 2000 | ||||
Transmitter | ||||||
Differential Peak-to-Peak Input Voltage Tolerance | mV | 900 | ||||
Differential Termination Mismatch | 10% | |||||
Differential Input Return Loss (SDD11) | dB | See CEI-56G-VSR | ||||
Common-Mode to Differential Conversion and Differential to Common-Mode Conversion (SCD11, SDC11) | dB | See CEI-56G-VSR | ||||
Receiver | ||||||
Differential Peak-to-Peak Output Voltage | mV | 900 | ||||
DC Common Mode Voltage | Vcm | mV | -350 | 2850 | ||
AC Common Mode Noise, RMS | mV | 17.5 | ||||
Differential Termination Mismatch | % | 10 | ||||
Differential Output Return Loss (SDD22) | dB | See CEI-56G-VSR | ||||
Common-mode to Differential Conversion and Differential to Common-mode Conversion (SCD22, SDC22) | dB | See CEI-56G-VSR | ||||
IIC Communication | ||||||
IIC Clock Frequency (QSFP-DD) | kHz | 400 | 1000 | |||
IIC Clock Frequency (QSFP56) | kHz | 100 | 1000 | |||
Clock Stretching | µs | 500 |
QSFP-DD Diagram Mechanical Drawing
QSFP56 Diagram Mechanical Drawing
QSFP-DD Principle Diagram
QSFP56 Principle Diagram
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