The 400G QSFP-DD to 4x100G QSFP56 breakout active optical cables are engineered for high-speed data transmission in 400 Gigabit Ethernet networks over OM3 multimode fibers. Each channel supports data rates of up to 53.125 Gbps using PAM4 modulation, delivering reliable and efficient performance for demanding applications. These cables meet critical industry standards, including IEEE 802.3db, OIF-CEI, QSFP-DD MSA, QSFP-DD-CMIS, IEEE 802.3bs Annex120E, SFF-8636, ensuring broad compatibility across various systems. With a slim and lightweight design, these breakout AOC cables facilitate simplified cable management and promote efficient system airflow, a key requirement in high-density server racks. This design helps maintain optimal cooling and performance in data-intensive environments, making these cables well-suited for modern networking infrastructures. These cables are widely utilized in cloud computing and supercomputing environments due to their low cost, high-value proposition, and proven reliability. Their combination of affordability, durability, and compliance with leading standards makes them an excellent choice for organizations seeking scalable and dependable solutions for advanced data centers.
· Compliant QSFP-DD and QSFP56 MSA
· Compliant with IEEE 802.3db and100G Lambda MSA
· Low latency for high performance computing application
· Available in standard length of 1, 3, 5, 7, 10,15, 20, 25, 30m
· Operating case temperature 0 to 70°C
· Hot pluggable QSFP-DD and QSFP56 form factor
· Power consumption<7.5W per end with QSFPDD
· Power consumption<3.5W per end with QSFP56
· Laser Eye Safety Class 1
· Management interface based on CMIS
· 4.0 and SFP-8636
· RoHS compliant
Absolute Maximum Ratings
Parameter | Symbol | Min | Typ. | Max | Unit | Ref. |
Storage Temperature | Ts | -40 | - | 85 | °C | |
Operating Humidity | RH | 5 | - | 85 | % | |
Maximum Supply Voltage | Vcc | -0.5 | - | 3.6 | V |
Operating Enviornment
Parameter | Symbol | Min | Typ. | Max | Unit | Note |
Supply Voltage | Vcc | 3.135 | 3.3 | 3.465 | V | |
Case Temperature | Tc | 0 | 70 | °C | ||
Bit Rate as QSFP-DD end (per ch) | BR | 53.125 | Gbps | |||
Bit Rate as QSFP28 end (per ch) | BR | 106.25 | Gbps | |||
Total power consumption (QSFP-DD) | Pc | 7.5 | 10 | W | ||
Total power consumption (QSFP28) | Pc | 3.5 | 4 | W |
Electrical Characteristics for QSFP-DD end
Parameter | Min | Typ. | Max | Unit | Remarks |
Transmitter | |||||
Signaling Rate per Lane | -100 ppm | 26.5625 | +100 ppm | GBd | |
Differential Peak-to-Peak Input Voltage tolerance | 900 | mV | |||
Differential Termination Mismatch | 10 | % | |||
Single-ended Voltage Tolerance Range | -0.4 | - | 3.3 | V | |
DC common mode voltage | -350 | 2850 | mV | ||
Receiver | |||||
Signaling Speed per Lane | -100 ppm | 26.5625 | +100 ppm | GBd | |
AC Common-Mode Output Voltage RMS | 17.5 | mV | |||
Differential Peak-to-Peak Output Voltage | 900 | mV | |||
Near-End Eye Symmetry Mask Width(ESMW) (ESMW) | 0.265 0.265 | uI uI | |||
Near-End Eye Height, Differential | 70 | mV | |||
Far-End Eye Symmetry Mask Width (ESMW) |
0.2 |
uI | |||
Far-End Eye Height, Differential | 30 | mV | |||
Far-End Pre-Cursor ISI Ratio | -4.5 | 2.5 | % | ||
Differential Termination Mismatch | 10 | % | |||
Transition Time, 20 to 80% | 9.5 | ps | |||
DC Common Mode Voltage | -350 | 2850 | mV |
Electrical Characteristics for QSFP-28 end
Parameter | Min | Typ. | Max | Unit | Remarks |
Transmitter (each lane) | |||||
Signaling Rate per Lane | 25.78125 | Gb/s | |||
Differential Pk-Pk Input Voltage Tolerance (min) | 900 | - | - | mV | at TP1a |
Differential Termination Mismatch | - | - | 10 | % | at TP1 |
Single-Ended Input Voltage Tolerance Range | -0.4 to 3.3 | - | - | V | at TP1a |
DC Common Mode Voltage | -350 | - | 2850 | mV | at TP1 |
Receiver (each lane, at TP4) | |||||
AC Common-Mode Output Voltage (RMS) | - | - | 17.5 | mV | |
Differential Output Voltage | - | - | 900 | mV | |
Eye Width | 0.57 | - | - | UI | |
Eye Height, Differential | 228 | - | - | mV | |
Vertical Eye Closure | - | - | 5.5 | dB | |
Differential Termination Mismatch | - | - | 10 | % | |
Transition Time (20% to 80%) | 12 | - | - | ps | |
DC Common Mode Voltage | -350 | - | 2850 | mV |
Digital Diagnostic Specification
Parameter | Symbol | Min | Typ. | Max | Unit | Remark |
Transceiver Case Temperature | DMI_Temp | -3 | +3 | °C | Over operating temp | |
Supply Voltage Monitor Absolute Error | DMI _VCC | -3% | +3% | V | Full operating range | |
Channel RX Power Monitor Absolute error | DMI_RX | -3 | +3 | dB | Per channel | |
Channel Bias Current Monitor | DMI_Ibias | -10% | +10% | mA | Per channel | |
Channel TX Power Monitor Absolute Error | DMI_TX | -3 | +3 | dB | Per channel |
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