SFP 100G BIDI QSFP28
Variant Specifications
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LRR-20Km
General Specifications
|
Parameter |
Details |
|
Form Factor |
QSFP28 MSA-compliant, hot-pluggable |
|
Data Rate |
103.125 Gb/s (4x25.78125 Gb/s, NRZ encoding) |
|
Transmission Distance |
Up to 80 km (with KR4-FEC) |
|
Fiber Type |
Single-Mode Fiber (SMF, 9/125 µm) |
|
Connector |
Simplex LC |
|
Laser Type |
LAN-WDM EML (Electric Absorption Modulated Laser) |
|
Receiver Type |
PIN photodetector with SOA (Semiconductor Optical Amplifier) |
|
Power Supply |
Single +3.3V (±5%) |
|
Power Consumption |
<5.5W (commercial grade) |
|
Operating Temperature |
0°C to +70°C |
|
Compliance |
EU Directive 2015/863/EU (RoHS), QSFP28 MSA |
Optical Specifications
Transmitter
|
Parameter |
Range/Value |
|
Center Wavelengths (Lanes 0–7) |
TX Lanes: 1273, 1278, 1282, 1286, 1296, 1300, 1305, 1309 nm (LAN-WDM) |
|
Total Launch Power (100G) |
7 dBm (min) – 12.5 dBm (max) |
|
Average Launch Power per Lane |
1 dBm (min) – 6.5 dBm (max) |
|
OMA per Lane |
2 dBm (min) – 6.5 dBm (max) |
|
Extinction Ratio (ER) |
≥8.2 dB |
|
RIN (OMA) |
≤-130 dB/Hz |
|
Optical Return Loss Tolerance |
20 dB |
|
Side Mode Suppression Ratio |
≥30 dB |
Receiver
|
Parameter |
Range/Value |
|
Center Wavelengths (Lanes 0–7) |
RX Lanes: 1295, 1300, 1305, 1309, 1273, 1278, 1282, 1286 nm |
|
Receiver Sensitivity (Average) |
≤-27 dBm (BER ≤5E-5) |
|
LOS Assert/De-Assert |
Assert: ≤-40 dBm / De-Assert: ≥-28 dBm |
|
Damage Threshold |
+5.5 dBm (per lane) |
Electrical Specifications
Transmitter Input
|
Parameter |
Range/Value |
|
Data Rate per Lane |
25.78125 Gb/s |
|
Differential Voltage (pk-pk) |
900 mV |
|
Common Mode Voltage |
-350 mV – 2850 mV |
|
Transition Time (20–80%) |
≤10 ps |
Receiver Output
|
Parameter |
Range/Value |
|
Differential Voltage Swing |
900 mV (pk-pk) |
|
Eye Width (EW15) |
≥0.57 UI |
|
Eye Height (EH15) |
≥228 mV |
|
Common Mode Noise (RMS) |
≤17.5 mV |
Digital Diagnostics (DDM)
|
Parameter |
Accuracy |
|
Temperature Monitoring |
±3.0°C |
|
Supply Voltage Monitoring |
±5% |
|
Transmit/Receive Power Monitoring |
±3.0 dB |
|
Bias Current Monitoring |
±10% |
Pin Configuration (QSFP28 Connector)
|
Pin |
Symbol |
Description |
Logic Type |
|
1 |
GND |
Ground |
— |
|
2, 3 |
Tx2n, Tx2p |
Transmitter Lane 2 (Inverted/Non-Inverted) |
SFP 100G BIDI QSFP28 LR1-20KmSFP 100G BIDI QSFP28 LR1-20Km
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