Beijing Silk Road Enterprise Management Services Co.,LTD.
Beijing Silk Road Enterprise Management Services Co.,LTD.
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40G QSFP PSM LR4 is a parallel 40Gb/s Quad Small Form-factor Pluggable (QSFP+) optical module. Itprovides increased port density and total system cost savings. The QSFP+ full-duplex optical module offers 4 independent transmit and receive channels, each capable of 10Gb/s operation for an aggregate data rate of 40Gb/s on 10km of single mode fiber.
An optical fiber ribbon cable with an MTP/MPO connector can be plugged into the QSFP+ module receptacle. Proper alignment is ensured by the guide pins inside the receptacle. The cable usually cannot be twisted for proper channel to channel alignment. Electrical connection is achieved through a z-pluggable 38-pin connector per MSA requirement.
Features
Parameter
| Package (Form Factor) | QSFP+ |
| Data Rate (typical) | 10.3 Gbps/CH |
| Centre Wavelength | 1310nm |
| Distance | 10km |
| Diagnostics | Digital Monitor |
| Transmitter | 4CH 1310nm DFB Laser |
| Receiver | 4CH PIN photo detector Array |
| TX Output Power (dBm) | -5.5~+1.5 |
| RX Sensitivity (dBm) | -12.6 |
| Low/High Case Temperature | 0°C~70°C |
| Voltage Supply (typical) | 3.3v |
| Connector | MTP/MPO 8-degree SMF Without PIN |
| Parameter | Symbol | Min | Typical | Max | Unit | Notes | |
| Transmitter | |||||||
| Center Wavelength | λC | 1270 | 1310 | 1350 | nm | 1 | |
| RMS Spectral Width | λrms | 3.5 | nm | 1 | |||
| Average Launch Power, each lane | PAVG | -5.5 | -0.5 | +2.3 | dBm | ||
| Optical Modulation Amplitude (OMA) | POMA | -4.5 | -0.5 | +3.5 | dBm | 1 | |
| Difference in Launch Power between any two lanes | Ptx,diff | 5.0 | dB | ||||
| Launch Power in OMA minus Transmitter and Dispersion Penalty (TDP), each Lane | OMA-TDP | -9.7 | dBm | 1 | |||
| Rise/Fall Time | Tr/Tf | 50 | ps | ||||
| Extinction Ratio | ER | 3.5 | dB | ||||
| Relative Intensity Noise | Rin | -128 | dB/Hz | ||||
| Optical Return Loss Tolerance | TOL | 12 | dB | ||||
| Transmitter Reflectance | RT | -12 | dB | ||||
| Transmitter Eye Mask Margin | EMM | 10 | % | 2 | |||
| Transmitter Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3} | {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} | ||||||
| Average Launch Power OFF Transmitter, each Lane | Poff | -30 | dBm | ||||
| Receiver | |||||||
| Center Wavelength | λC | 1270 | 1310 | 1350 | nm | ||
| Damage Threshold | THd | +3 | dBm | ||||
| Overload, each lane | OVL | +1 | dBm | ||||
| Receiver Sensitivity in OMA, each Lane | SEN | -12.5 | dBm | ||||
| Difference in Receive Power between any two Lanes (OMA) | Prx,diff | 5.0 | dB | ||||
| Signal Loss Assert Threshold | LOSA | -30 | dBm | ||||
| Signal Loss Deassert Threshold | LOSD | -15 | dBm | ||||
| LOS Hysteresis | LOSH | 0.5 | 6 | dB | |||
| Optical Return Loss | ORL | -12 | dBm | ||||
| Receive Electrical 3 dB upper CutoffFrequency, each Lane | Fc | 12 | GHz | ||||
Notes:
1. Transmitter wavelength, RMS spectral width and power need to meet the OMA minus TDP specs to guarantee link performance.
2. The eye diagram is tested with 1000 waveform.
FAQ
Q1. Can I have a sample order for this product?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2. What about the lead time?
A:Sample needs 3-6 days, mass production time needs 1-2 weeks for order quantity more than
Q3. Do you have any MOQ limit for sample order?
A: Low MOQ, 1pc for sample checking is available
Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. Airline and sea shipping are also optional.