Description
Features of 100G QSFP28 ER4 Lite
- Supports 103.1Gb/s aggregate bit rate
- Digital Diagnostics Monitoring Interface
- Duplex LC optical receptacle
- Up to 30km reach overSMF without FEC on host side
- Up to 40km reach overSMF with FEC on Host side
- Hot pluggable QSFP28 MSA form factor
- Receiver: 4x25Gb/s APD ROSA
- Transmitter: cooled 4x25Gb/s LAN WDM DFP/EML TOSA (1295.56, 1300.05, 1304.58, 1309.14nm)
- Compliant with QSFP28 MSA with LC connector
- Commercial operating case temperature range: 0~70ºC
- 4x25G electrical interface (OIF CEI-28G-VSR)
- RoHS-6 Compliant
- Power dissipation < 4.0W
Standard
- IEEE 802.3bm
- QSFP28MSA
- SFF-8636
Application
- Metropolitan area network access;
- Data center interconnection (DCI);
- High-performance computing networks;
- Cost-sensitive telecom OTU4 services.
Specification of 100G QSFP28 ER4 Lite
| Absolute Maximum Ratings | ||||
| Parameter | Symbol | Min | Max | Unit |
| Storage Ambient Temperature | TSTG | -40 | 85 | ℃ |
| Operating Humidity | HO | 5 | 95 | % |
| Power Supply Voltage | Vcc | -0.5 | 3.6 | V |
| Damage Threshold, each Lane | THd | -3 | dBm | |
| Recommended Operating Conditions | |||||
| Parameter | Symbol | Min | Typical | Max | Unit |
| Operating Case Temperature | Tc | 0 | 70 | ℃ | |
| Power Supply Voltage | Vcc | 3.135 | 3.3 | 3.465 | V |
| Power Supply Current | ICC | 1360 | mA | ||
| Data Rate,each Lane | 25.78125 | Gbps | |||
| Control Input Voltage High | 2 | Vcc | V | ||
| Control Input Voltage Low | 0 | 0.8 | V | ||
| Data Rate Accuracy | -100 | 100 | ppm | ||
| Link Distance with SMF (without FEC) | D1 | – | 30 | km | |
| Link Distance with SMF (with FEC) | D2 | 40 | km | ||
| Electrical transmitter Characteristics | |||||||||||
| Parameter | Symbol | Min | Typical | Max | Unit | Notes | |||||
| Power Consumption | 4.0 | W | |||||||||
| Overload Differential Voltage pk-pk | TP1a | 900 | mV | ||||||||
| Common Mode Voltage (Vcm) | TP1 | -350 | 2850 | mV | |||||||
| Differential Termination Resistance Mismatch | TP1 | 10 | % | ||||||||
| Differential Return Loss (SDD11) | TP1 | See CEI- 28G-VSR Equation 13-19 | dB | ||||||||
| Common Mode to Differential conversion and Differential to Common Mode conversion (SDC11, SCD11) | TP1 | See CEI- 28G-VSR Equation 13-20 | dB | ||||||||
| Stressed Input Test | TP1a | See CEI- 28G-VSR Section 13.3.11.2.1 | |||||||||
| Electrical receiver Characteristics | |||||||||||
| Parameter | Symbol | Min | Typical | Max | Unit | Notes | |||||
| Differential Voltage, pk-pk | TP4 | 900 | mV | ||||||||
| Common Mode Voltage (Vcm) | TP4 | -350 | 2850 | mV | |||||||
| Common Mode Noise, RMS | TP4 | 17.5 | mV | ||||||||
| Differential Termination Resistance Mismatch | TP4 | 10 | % | ||||||||
| Differential Return Loss (SDD11) | TP4 | See CEI- 28G-VSR Equation 13-19 | dB | ||||||||
| Common Mode to Differential conversion and Differential to Common Mode conversion (SDC22, SCD22) | TP4 | See CEI- 28G-VSR Equation 13-21 | dB | ||||||||
| Common Mode Return Loss (SCC22) | TP4 | -2 | dB | ||||||||
| Transition Time, 20 to 80% | TP4 | 9.5 | ps | ||||||||
| Vertical Eye Closure (VEC) | TP4 | 5.5 | dB | ||||||||
| Eye Width at 10-15 probability (EW15) | tr | 0.57 | UI | ||||||||
| Eye Height at 10-15 probability (EH15) | tf | 228 | mV | ||||||||
| Optical transmitter Characteristics | |||||||||||
| Parameter | Symbol | Min | Typical | Max | Unit | Notes | |||||
| Launched Power (avg.) | Pavg | -2.5 | 4.5 | dBm | |||||||
| Total Output. Power | Pout | 10.5 | dBm | ||||||||
| OMA, each Lane | POMA | 0.1 | 4.5 | dBm | |||||||
| Difference in Launch Power between any Two Lanes (OMA) | Ptx,diff | 3.6 | dB | ||||||||
| Launch Power in OMA minus Transmitter and Dispersion Penalty (TDP), each Lane | -0.65 | dBm | |||||||||
| Wavelength Assignment | λ0 | 1294.53 | 1295.56 | 1296.59 | nm | ||||||
| λ1 | 1299.02 | 1300.05 | 1301.09 | ||||||||
| λ2 | 1303.54 | 1304.58 | 1305.63 | ||||||||
| λ3 | 1308.09 | 1309.14 | 1310.19 | ||||||||
| TDP, each Lane | TDP | 2.5 | dB | ||||||||
| Spectral Width(-20dB) | ∆λ | 1 | nm | ||||||||
| Side Mode Suppression Ratio | SMSR | 30 | dB | ||||||||
| Extinction Ratio | ER | 7 | dB | ||||||||
| Transmitter OFF Output Power | POff | -30 | dBm | ||||||||
| RIN20 OMA | RIN | -130 | Ohm | ||||||||
| Output Eye Mask definition {X1,X2,X3,Y1,Y2,Y3} | {0.25,0.4,0.45,0.25,0.28,0.4} | ||||||||||
| Optical receiver Characteristics | |||||||
| Parameter | Symbol | Min | Typical | Max | Unit | Notes | |
| Damage Threshold, each Lane | THd | -3 | dBm | ||||
| Average Receive Power, each Lane | -16.9 | -4.9 | dBm | @30km | |||
| Average Receive Power, each Lane | -20.9 | -4.9 | dBm | @40km | |||
| Receive Power (OMA), each Lane | -1.9 | dBm | |||||
| Receiver Sensitivity (OMA), each Lane | SEN1 | -13.5 | dBm | For BER = 1×10-12 | |||
| Stressed Receiver Sensitivity (OMA), each Lane | -12.5 | dBm | For BER = 1×10-12 | ||||
| Receiver Sensitivity (OMA), each Lane | SEN2 | -16.5 | dBm | For BER = 5×10–5 | |||
| Stressed Receiver Sensitivity (OMA), each Lane | -14.65 | dBm | For BER = 5×10–5 | ||||
| Receiver reflectance | -26 | dB | |||||
| Difference in Receive Power between any Two Lanes (Average and OMA) | Ptx,diff | 3.6 | dB | ||||
| LOS Hysteresis | LOSH | 0.5 | dB | ||||
| LOS | Optical De-assert | Pd | -24 | dBm | |||
| Optical Assert | Pa | -26 | |||||
| Receiver Electrical 3 dB upper Cutoff Frequency, each Lane | Fc | 31 | GHz | ||||
| Vertical Eye Closure Penalty, each Lane | 1.5 | dB | |||||
| Stressed Eye J2 Jitter, each Lane | 0.3 | UI | |||||
| Stressed Eye J9 Jitter, each Lane | 0.47 | UI | |||||
Ordering Information
| Part. No | Specifications | ||||||||
| Pack | Rate (Gbps) | Tx (nm) | Po (dBm) | RX | Sen (dBm) | Temp (℃) | Reach (KM) | DDM | |
| QSFP28-100G-ER4 Elite | QSFP28 | 100G | DFP/ EML LWDM | -2.5~4.5 | APD | <-16.5 | 0~70 | 40 | Y |




