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 |