Ascent’s QSFP28-100G-MP01 is a 100 Gb/s transceiver module designed for optical communication applications compliant to 100GBASE-SR4 and IEE 802.3bm standards.
• Hot pluggable QSFP28 MSA form factor
• Compliant to Ethernet 100GBASE-SR4
• Supports 103.1 Gb/s aggregate bit rate
• Up to 100 m reach with OM4 multimode fiber
• Up to 70 m reach with OM3 multimode fiber
• Single +3.3V power supply
• Operating case temperature: 0 °C to 70 °C
• <2.0 W power dissipation
• High reliability 850 nm VCSEL technology
• Standard 12 lane with MPO connector
• Compliant with SFF-8636
• RoHS compliant
Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
Storage Temperature | Ts | ‑40 | ‑ | 85 | °C | |
Relative Humidity | RH | 5 | ‑ | 95 | % | |
Power Supply Voltage | VCC | ‑0.3 | ‑ | 4 | V | |
Signal Input Voltage | Vcc‑0.3 | ‑ | Vcc+0.3 | V |
Recommended Operating Conditions
Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
Case Operating Temperature | Tcase | 0 | ‑ | 70 | °C | Without air flow |
Power Supply Voltage | VCC | 3.14 | 3.3 | 3.46 | V | |
Power Supply Current | ICC | ‑ | 600 | mA | ||
Data Rate | BR | 25.78125 | Gbps | Each channel | ||
Transmission Distance | TD | ‑ | 100 | m | OM4 | |
TD | ‑ | 70 | m | OM3 |
Note:
100G Ethernet &100GBASE‑SR4 and ITU‑T OTU4 has different register setting, not auto‑negotiation
Optical Characteristics
Parameter | Symbol | Min | Typ | Max | Unit | Notes |
Transmitter | ||||||
Center Wavelength | λ0 | 840 | 860 | nm | ||
Average Launch Power each lane | ‑8.4 | 2.4 | dBm | |||
Spectral Width (RMS) | σ | 0.6 | nm | |||
Optical Extinction Ratio | ER | 2 | dB | |||
Optical Return Loss Tolerance | ORL | 12 | dB | |||
Output Eye Mask | Compliant with IEEE 802.3bm | 1 | ||||
Receiver | ||||||
Receiver Wavelength | λin | 840 | 860 | nm | ||
Rx Sensitivity per lane | RSENS | ‑10.3 | dBm | 2 | ||
LOS De‑Assert | LOSD | ‑30 | dBm | |||
LOS Assert | LOSA | ‑12 | dBm | |||
Input Saturation Power (Overload) | Psat | 2.4 | dBm | |||
Receiver Reflectance | Rr | ‑12 | dB |
Notes:
1. Hit ratio 1.5*10‑5 hits per sample
2. Measured with a PRBS 231‑1 test pattern, @ 25.78 Gb/s, BER<5.0*10‑5.
Electrical Characteristics
Parameter | Symbol | Min | Typ | Max | Unit | Notes |
Supply Voltage | Vcc | 3.14 | 3.3 | 3.46 | V | |
Supply Current | Icc | 600 | mA | |||
Transmitter | ||||||
Input Differential Impedance | Rin | 100 | Ω | 1 | ||
Differential Data Input Swing | Vin, pp | 180 | 1000 | mV | ||
Single Ended Input Voltage Tolerance | VinT | ‑0.3 | 4.0 | V | ||
Receiver | ||||||
Differential Data Output Swing | Vout, pp | 300 | 850 | mV | 2 | |
Single‑Ended Output Voltage | ‑0.3 | 4.0 | V |
Notes:
1. Connected directly to TX data input pins. AC coupled thereafter.
2. Into 100 Ω differential termination.
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