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What Is QSFP28 100G LR4 RX 1310nm 10km 4xLWDM Optical Transceiver Module
QSFP28 100G LR4 RX 1310nm 10km Optical Transceiver Module product is a 100Gb/s receiver module designed for optical communication applications compliant to 100G BASE-LR4 of the IEEEP802.3ba standard. The module converts the receiver side, the module de- multiplexes a 100Gb/s optical input into 4 channels of LAN WDM optical signals and the converts them to 4 output channels of electrical data.
The central wavelengths of the 4 LAN WDM channels are 1295.56, 1300.05, 1304.58and 1309.14nm as members of the LAN WDM wavelength grid defined in IEEE802.3ba. The high sensitivity PIN receivers provide superior performance for 100 Gigabit Ethernet applications up to 10km links and compliant to optical interface with IEEE802.3ba Clause 88100G BASE-LR4 requirements.
The product is designed with form factor, optical/electrical connection and digital diagnostic interface according to the QSFP+ Multi-Source Agreement(MSA). It has been designed to meet the harshest external operating conditions including temperature, humidity and EMI interference.
Product Features
· Hot pluggable QSFP28 MSA form factor
· Single +3.3V power supply
· Operating case temperature:0-70oC
· Receiver:4x25Gb/s PIN ROSA(1295.56,1300.05, 1304.58,1309.14nm)
· 4x25G Electrical Serial Interface (CEI-28G-VSR)
· Maximum power consumption 1.5W
· LC receptacle
· RoHS-6 compliant
Applications
· 100GBASE-LR4 Ethernet Receiver monitor
QSFP28 100G LR4 RX 1310nm 10km 4xLWDM Optical Transceiver ModuleRegulatory Compliance
| Feature | Standard | Performance |
| Electromagnetic Interference (EMI) | FCC Part 15 Class B EN 55022:2010, Class B | Compatible with standards |
| Electromagnetic susceptibility (EMS) | EN 55024:2010 | Compatible with standards |
| Laser Eye Safety | FDA 21CFR 1040.10 and 1040.11 EN60950, EN (IEC) 60825-1,2 | Compatible with Class I laser product |
Absolute Maximum Ratings
The operation in excess of any absolute maximum ratings might cause permanent damage to this module.
| Parameter | Symbol | Min | Max | Unit | Notes |
| Storage Temperature | TS | -40 | 85 | degC | |
| Operating Case Temperature | TOP | 0 | 70 | degC | |
| Power Supply Voltage | VCC | -0.5 | 3.6 | V | |
| Relative Humidity (non-condensation) | RH | 0 | 85 | % | |
| Damage Threshold, each Lane | THd | 5.5 | dBm |
Recommended Operating Conditions and Power Supply Requirements
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Operating Case Temperature | TOP | 0 | 70 | degC | Operating Case Temperature | |
| Power Supply Voltage | VCC | 3.135 | 3.3 | 3.465 | V | Power Supply Voltage |
| Data Rate, each Lane | 25.78125 | Gb/s | Data Rate, each Lane | |||
| Control Input Voltage High | 2 | Vcc | V | Control Input Voltage High | ||
| Control Input Voltage Low | 0 | 0.8 | V | Control Input Voltage Low | ||
| Link Distance with G.652 | D | 0.002 | 10 | km | Link Distance with G.652 |
Electrical Characteristics
| Parameter | Test Point | Min | Typical | Max | Unit | Notes |
| Power Consumption | 1.5 | W | ||||
| Supply Current | Icc | 0.6 | A | |||
| Transceiver Power-on Initialization Time | 2000 | ms | 1 | |||
| Single-ended Output Voltage | -0.3 | 4.0 | V | Referred to signal common | ||
| AC Common Mode Output Voltage | 7.5 | mV | RMS | |||
| Differential Output Voltage Swing | Vout,pp | 300 | 850 | mVpp | ||
| Differential Output Impedance | Zout | 90 | 100 | 110 | Ohm |
Notes:
1. Power-on Initialization Time is the time from when the power supply voltages reach and remain above
the minimum recommended operating supply voltages to the time when the module is fully functional.
Optical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Wavelength Assignment | L0 | 1294.53 | 1295.56 | 1296.59 | nm | |
| L1 | 1299.02 | 1300.05 | 1301.09 | nm | ||
| L2 | 1303.54 | 1304.58 | 1305.63 | nm | ||
| L3 | 1308.09 | 1309.14 | 1310.19 | nm | ||
| Receiver | ||||||
| Damage Threshold, each Lane | THd | 5.5 | dBm | 1 | ||
| Total Average Receive Power | 10.5 | dBm | ||||
| Average Receive Power, each Lane | -10.6 | 4.5 | dBm | |||
| Receive Power (OMA), each Lane | 4.5 | dBm | ||||
| Receiver Sensitivity (OMA), each Lane | SEN | -10.6 | dBm | |||
| Stressed Receiver Sensitivity (OMA), each Lane | -6.8 | dBm | 2 | |||
| Receiver Reflectance | RR | -26 | dB | |||
| Difference in Receive Power between any Two Lanes (OMA) | Prx,diff | 5.5 | dB | |||
| LOS Assert | LOSA | -18 | dBm | |||
| LOS Deassert | LOSD | -15 | dBm | |||
| LOS Hysteresis | LOSH | 0.5 | dB | |||
| Receiver Electrical 3 dB upper Cutoff Frequency, each Lane | Fc | 31 | GHz | |||
Notes:
1. The receiver shall be able to tolerate, without damage, continuous exposure to a modulated optical input signal having this power level on one lane. The receiver does not have to operate correctly at this input power.
2. Measured with conformance test signal at receiver input for BER = 1×10-12.
Digital Diagnostic Functions
The following digital diagnostic characteristics are defined over the normal operating conditions unless otherwise specified.
| Parameter | Symbol | Min | Max | Unit | Notes |
| Temperature monitor absolute error | DMI_Temp | -3 | 3 | degC | Over operating temp |
| Supply voltage monitor absolute error | DMI _VCC | -0.1 | 0.1 | V | Full operating range |
| Channel RX power monitor absolute error | DMI_RX | -3 | 3 | dB | Per channel |
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