Shenzhen Sopto Technology Co., Ltd
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100GBASE-ER4 Lite OTU4 40km QSFP28 100G Fiber Optic Sfp Module
Sopto 100GBASE-ER4 Lite & OTU4 40km QSFP28 100G LC Interface Optical Transceiver
Descriptions of 100G QSFP28 module
The Sopto 100GBASE-ER4 Lite & OTU4 40km QSFP28 optical transceiver (SPT-QSFP28-ER4) is designed for use in 100-Gigabit Ethernet and OTN links up to 30km without FEC or 40km with FEC on Single Mode Fiber (SMF). It is compliant with the QSFP28 MSA, 4WDM-40 MSA, IEEE 802.3ba 100GBASE-ER4 and IEEE 802.3bm CAUI-4, and OTU4 standards. Digital diagnostics functions are available via an I2C interface, as specified by the QSFP28 MSA. It converts 4 input channels of 27.95Gb/s electrical data to 4 channels of LAN-WDM optical signals and then multiplexes them into a single channel for 111.8Gb/s optical transmission. Reversely on the receiver side, the module de-multiplexes a 111.8Gb/s optical input into 4 channels of LAN-WDM optical signals and then converts them to 4 output channels of electrical data. The central wavelengths of the 4 LAN-WDM channels are 1295.56nm, 1300.05nm, 1304.58nm and 1309.14nm as members of the LAN-WDM wavelength grid defined in IEEE 802.3ba.
Features of 100G QSFP28 module
l Hot-pluggable QSFP28 form factor
l 4 channels full-duplex transceiver module
l Supports 111.8Gb/s aggregate bit rate
l 4 channels DFB-based LAN-WDM cooling transmitter
l 4 channels APD ROSA
l Internal CDR circuits on both receiver and transmitter channels
l 3.8W maximum power dissipation
l Maximum link length of 30km on SMF without FEC
l Maximum link length of 40km on SMF with FEC
l Duplex LC receptacle
l Operating case temperature range: 0 to 70°C
l Single 3.3V power supply
l RoHS-6 compliant (lead free)
Applications
l 100GBASE-ER4 Lite 100G Ethernet
l 100GE 4WDM-40 applications
l OTN OTU4 applications
Specifications
| Parameter | Symbol | Min | Typical | Max | Unit |
| Supply Current | Icc | 1.27 | A | ||
| Transceiver Power-on Initialization Time1 | 2000 | ms | |||
| Transmitter (each Lane) | |||||
| Single-ended Input Voltage Tolerance | -0.3 | 4.0 | V | ||
| AC Common Mode Input Voltage Tolerance | 15 | mV | |||
| Differential Input Voltage | 50 | mVp-p | |||
| Differential Input Voltage Swing | Vin | 900 | mVp-p | ||
| Differential Input Impedance | Zin | 90 | 100 | 110 | Ohm |
| Receiver (each lane) | |||||
| Single-ended Output Voltage | -0.3 | 4.0 | V | ||
| AC Common Mode Output | 7.5 | mV | |||
| Differential Output Voltage Swing | Vout | 300 | 850 | mVp-p | |
| Differential Output Impedance | Zout | 90 | 100 | 110 | Ohm |
Optical Characteristics
| Parameter | Symbol | Min | Typical | Max | Unit | |||
| Lane Wavelength | 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 | ||||
| Transmitter | ||||||||
| Side Mode Suppression Ratio | SMSR | 30 | dB | |||||
| Total Average Launch Power | PT | 12.5 | dBm | |||||
| Average Launch Power (each lane) | PAVG | -2.5 | 6.5 | dBm | ||||
| Optical Modulation Amplitude1 (each lane) | POMA | 0.5 | 6.5 | dBm | ||||
| Difference in Launch Power | Ptx,diff | 3 | dB | |||||
| Launch Power in OMA minus TDP | -0.5 | dBm | ||||||
| Transmitter and Dispersion Penalty (TDP) (each lane) | TDP | 3.0 | dB | |||||
| Extinction Ratio | ER | 4.5 | dB | |||||
| Relative Intensity Noise | RIN | -130 | dB/Hz | |||||
| Optical Return Loss Tolerance | TOL | 20 | dB | |||||
| Transmitter Reflectance | RT | -12 | dB | |||||
| Average Launch Power of OFF transmitter (each lane) | POFF | -30 | dBm | |||||
| Eye Mask Coordinates2: X1, X2, X3, Y1, Y2, Y3 | {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} | |||||||
| Receiver | ||||||||
| Damage Threshold3 (each lane) | THd | -6 | dBm | |||||
| Average Receive Power (each lane) | -20.5 | -7 | dBm | |||||
| Receive Power (OMA) (each lane) | -7 | dBm | ||||||
| Receiver Sensitivity (OMA) (each lane) (BER = 5×10-5) @100GE | SEN1 | -18.5 | dBm | |||||
| Receiver Sensitivity (OMA) (each lane) (BER = 5×10-12) @100GE | SEN2 | -15 | dBm | |||||
| Receiver Sensitivity (OMA) (each lane) (BER = 5×10-5) @OTU4 | SEN4 | -18 | dBm | |||||
| Receiver Sensitivity (OMA) (each lane) (BER = 5×10-12) @OTU4 | SEN5 | -14 | dBm | |||||
| Stressed Receiver Sensitivity (OMA)4 (each lane) (BER= 5×10-5) | SEN3 | -16 | dBm | |||||
| Difference in Receive Power between any Two Lanes (OMA) | Prx,diff | 3.6 | dB | |||||
| LOS Assert | -26 | dBm | ||||||
| LOS De-Assert – OMA | -24 | dBm | ||||||
| LOS Hysteresis | 0.5 | dB | ||||||
| Receiver Electrical 3 dB upper Cutoff Frequency (each Lane) | Fc | 31 | GHz | |||||
| Conditions of Stress Receiver Sensitivity Test5 | ||||||||
| Vertical Eye Closure Penalty5 | VECP | 2.5 | dB | |||||
| Stressed Eye J2 Jitter | J2 | 0.33 | UI | |||||
| Stressed Eye J4 Jitter | J4 | 0.48 | UI | |||||
Mechanical Dimensions
Ordering Informations
| Part Number | Product Description |
| SPT-QSFP28-ER4 | QSFP28 ER4 Lite, 111.8Gb/s, 1310nm, 40km with FEC, SMF, LC |