100G QSFP28 SR4 100m 850nm MPO Optical Transceiver
FIBERWDM’s 100G QSFP28 SR4 is a 4×25Gbps multi mode fiber, hot pluggable optical transceiver. The module integrates four parallel lanes with data rate at 25.78Gbps each lane. It can transmit up to 70 m on fiber OM3 fiber or 100 m on OM4 fiber with FEC.
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Units |
| Storage Temperature Range | TSTG | -40 | +85 | ?C |
| Supply Voltage | VCC | 0 | 4 | V |
| Relative Humidity | RH | 5%to 85% non-condensing |
Operating Conditions
| Parameter | Symbol | Min | Max | Units |
| Case Temperature-Operating | TCASE | 0 | 70 | ?C |
| Supply Voltage | Vcc | 3.14 | 3.46 | V |
| Power Consumption | PDI SS | | 2.5 | W |
| Link Distance over OM4 Fiber | | | 100 | M |
| Link Distance over OM3 Fiber | | | 70 | M |
Transmitter Optical Specifications
| Transmitter Parameter | Min | Typical | Max | Units |
| Signaling Rate,each lane | 25.78125 ± 100ppm | Gbps |
| Center Wavelength Range | 840 | 850 | 860 | nm |
| Modulation Format | NRZ |
| Average launch Power per lane | -8.4 | | 2.4 | dBm |
| RMS spectral width | | | 0.6 | nm |
| Optical Modulation Amplitude ,each lane | -6.4 | | 3.0 | dBm |
| Average Launch Power per Lane @TX Off State | | | -30.0 | dBm |
| Launch Power in OMA minus TDEC,each Lane | -7.3 | | | dBm |
| Transmitter and Dispersion Eye Closure,each Lane | | | 4.3 | dB |
| Extinction Ratio | 2.0 | | | dB |
| Optical Return Loss Tolerance | | | 12 | dB |
| Transmitter Eye mask definition {X1, X2,X3,Y1,Y2,Y3} | {0.3,0.38,0.45,0.35,0.41,0.5} |
Receiver Optical Specifications
| Receiver Parameter | Min | Typical | Max | Units |
| Signaling Rate,each lane | 25.78125 ± 100ppm | Gbps nm |
| Lane Wavelength Range | 840 | 850 | 860 |
| Modulation Format | NRZ |
| Damage Threshold | 3.4 | | | dBm |
| Average Receive Power,each lane | - 10.3 | | 2.4 | dBm |
| Receiver Power,each lane (OMA) | | | 3.0 | dBm |
| Receiver Reflectance | | | - 12.0 | dB |
| Stressed Receiver Sensitivity (OMA),each lane | | | -5.2 | dBm |
| Stressed Conditions for Stress Receiver Sensitivity |
| Stressed Eye Closure | | 4.3 | | dB |
| stressed Eye J2Jitter | | 0.39 | | UI |
| stressed Eye J4Jitter | | 0.53 | | UI |
| OMA of each aggressor lane | | 3 | | dBm |
| Stressed Receiver Eye Mask Definition {X1,X2,X3,Y1,Y2,Y3} | {0.28,0.5,0.5,0.33,0.33,0.4} | |
| RX_LOS_Assert Min/Max | -30.0 | | | dBm |
| RX_LOS_De-Assert Min/Max | | | - 12.0 | dBm |
| RX_LOS_Hysteresis | 0.5 | | | dB |
High Speed Electrical Specifications
| Transmitter Parameter | Min | Typical | Max | Unit |
| Signaling rate per lane (range) | 25.78125 ± 100ppm | GBd |
| 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 output return loss | Equation (83E– 2) | | | dB |
| Common to differential mode conversion return loss | Equation (83E– 3) | | | dB |
| Differential termination mismatch | | | 10 | % |
| Transition time (20%to 80%) | 12 | | | ps |
| DC common mode voltage | -350 | | 2850 | mV |
| Receiver Parameter | Min | Typical | Max | Unit |
| Signaling rate per lane (range) | 25.78125 ± 100ppm | GBd |
| 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 output return loss | Equation (83E– 2) | | | dB |
| Common to differential mode conversion return loss | Equation (83E– 3) | | | dB |
| Differential termination mismatch | | | 10 | % |
| Transition time ( 20%to 80%) | 12 | | | ps |
Order information
| Product Number | Data Rate(Gb/s) | Wavelength(nm) | Reach(km) | LD | Tx Power(dBm) | PD | Rx Sens(dBm) | Temperature(℃) |
| RQ-100G-SR4 | 100 | 850nm | 0.1 | VCSEL | -8.4~2.4 | PIN | <-10.3 | 0~70 |
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