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| Customization: | Available |
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| Type: | Fiber Transceiver |
| Certification: | CE, ISO, GS |
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★Description
| Absolute Maximum Ratings | ||||
| Parameter | Symbol | Min | Max | Unit |
| Storage Ambient Temperature | TSTG | -40 | 85 | ºC |
| 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 | ºC | |
| 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 | V | |||
| Common Mode Voltage (Vcm) | TP1 | -350 | 2850 | V | ||
| Differential Termination Resistance Mismatch |
TP1 | 10 | % | |||
Differential Return Loss (SDD11) |
TP1 |
See CEI- 28G-VSR Equation 13- 19 |
B |
|||
| Common Mode to Differential conversion and Differential to Common Mode conversion (SDC11, SCD11) | TP1 |
See CEI- 28G-VSR Equation 13-20 |
B |
|||
| 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 | V |
||||
| Common Mode Voltage (Vcm) | TP4 | -350 | 2850 | V | |||
| Common Mode Noise, RMS | TP4 | 17.5 | V | ||||
| Differential Termination Resistance Mismatch |
TP4 | 10 | % | ||||
Differential Return Loss (SDD11) |
TP4 |
See CEI- 28G-VSR Equation 13- 19 |
B |
||||
| Common Mode to Differential conversion and Differential to Common Mode conversion (SDC22, SCD22) | TP4 |
See CEI- 28G-VSR Equation 13-21 |
B |
||||
| Common Mode Return Loss (SCC22) |
TP4 | -2 | B | ||||
| Transition Time, 20 to 80% | TP4 | 9.5 | ps | ||||
| Vertical Eye Closure (VEC) | TP4 | 5.5 | B | ||||
| Eye Width at 10-15 probability (EW15) | tr | 0.57 | UI | ||||
| Eye Height at 10-15 probability (EH15) | tf | 228 | V | ||||
| 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 | B | ||||
| Launch Power in OMA minus Transmitter and Dispersion Penalty (TDP), each Lane |
-0.65 |
dBm |
|||||
Wavelength Assignment |
0 | 1294.53 | 1295.56 | 1296.59 | nm |
||
| 1 | 1299.02 | 1300.05 | 1301.09 | ||||
2 |
1303.54 | 1304.58 | 1305.63 | ||||
| 3 | 1308.09 | 1309. 14 | 1310. 19 | ||||
| TDP, each Lane | TDP | 2.5 | B |
||||
| Spectral Width(-20dB) | λ | 1 | nm | ||||
| Side Mode Suppression Ratio | SMSR | 30 | B | |||
| Extinction Ratio | ER | 7 | B |
|||
| 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} | |||||
| Feature | Test | Method |
| Electrostatic Discharge (ESD) to the Electrical Pins | MIL-STD-883E Method 3015.7 |
Class 1(>1000V for SFI pins, >2000Vfor other pins.) |
| Electrostatic Discharge (ESD) Immunity |
IEC61000-4-2 | Class 2(>4.0kV) |
Electromagnetic Interference (EMI) |
CISPR22 ITE Class B FCC Class B CENELEC EN55022 VCCI Class 1 |
Comply with standard |
| Immunity | IEC61000-4-3 | Comply with standard |
Eye Safety |
FDA 21CFR 1040. 10 and 1040. 1 1 EN (IEC) 60825- 1,2 |
Compatible with Class I laser Product |
| DAYTAI Model | Tx (nm) |
Reach (km) |
TX | RX | TX Power (dBm) |
RX Sensitivity (dBm) |
| DT-ER4-QSFP28-100G-40KM | / | 40 | EML LWDM | SOA+PIN | -2.5~4.5 | -18.5 |
| DT-ER4L-QSFP28-100G-40KM | / | 40 | EML LWDM | APD | -2.5~4.5 | -18.5 |










