100Gb/s QSFP28 SR4 100m Optical Transceiver
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The BD-QSFP28-CDS1 is QSFP28 SR4 100m Optical Transceiver which integrates the transmit and receive …Description
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Description
The BD-QSFP28-CDS1 is QSFP28 SR4 100m Optical Transceiver which integrates the transmit and receive path onto one module. It converts parallel electrical input signals into parallel optical signals, by a driven Vertical Cavity Surface Emitting Laser (VCSEL) array. The transmitter module accepts electrical input signals compatible with Common Mode Logic (CML) levels. All input data signals are differential and internally terminated. The receiver module converts parallel optical input signals via a photo detector array into parallel electrical output signals. The reCML) levels. All data signals are differential and support a data rates up to 27.9525Gb/s per channel.ceiver module outputs electrical signals are also voltage compatible with Common Mode LogicOn This module features a hot-pluggable electrical interface, low power consumption, and 2-wire serial interface.
Product Features
- MTP/MP0 optical connector
- Single +3.3V power supply
- Hot-pluggable QSFP28 MSA form factor
- Up to 100m OM4 MMF Distance
- 4x28G Electrical Serial Interface (CEI-28G-VSR)
- AC coupling of CML signals
- Low power dissipation(Max:3.5W)
- Built in digital diagnostic function
- Operating case temperature range:0℃ to 70℃
- Compliant with 100GBASE-SR4
- üI2C Communication Interface
Applications
- 100GBASE-SR4
- Infiniband QDR/DDR/SDR
- 100G Datacom connections
Standards
- Compliant with IEEE 802.3ba
- Compliant with QSFP28 MSA hardware specifications
- Compliant with RoHS
Absolute Maximum Ratings
| Parameter | Symbol | Min. | Max. | Unit | Note |
| Supply Voltage | Vcc | -0.5 | 3.6 | V | |
| Storage Temperature | TS | -40 | 85 | °C | |
| Relative Humidity | RH | 0 | 85 | % | |
| Rx Damage Threshold,per Lane | PRdmg | 5.5 | dBm |
Note: Stress in excess of the maximum absolute ratings can cause permanent damage to the transceiver.
Recommended Operating Conditions
| Parameter | Symbol | Min | Typ | Max | Units | Note |
| Operating Case Temperature | TC | 0 | – | +70 | °C | |
| Power Supply Voltage | VCC | 3.14 | 3.3 | 3.47 | V | |
| Data rate | 103.125 | 112 | Gb/s | |||
| Link Distance (OM3) | 70 | m | ||||
| Link Distance (OM4) | 100 | m |
Electrical Characteristics (Top=0~70℃, Vcc=3.14~3.47V)
(Tested under recommended operating conditions,unless otherwise noted)
| Parameter | Symbol | Unit | Min | Typ | Max | Notes | ||||
| Transmitter | ||||||||||
| Signaling rate, each lane | DRpl | Gb/s | 25.78125 ±100 ppm | 1 | ||||||
| Center Wavelengthe | λ | nm | 840 | 850 | 860 | |||||
| RMS Spectral Width | nm | 0.6 | ||||||||
| Average launch power, each lane | Pavg | dBm | -8.4 | 2.4 | ||||||
| Optical modulation amplitude, each lane (OMA) | OMA | dBm | -6.4 | 3 | ||||||
| Extinction ratio | ER | dB | 2 | |||||||
| Average Launch Power of OFF Transmitter, per Lane | RIN | dBm | -30 | |||||||
| Encircled Flux | FLX | dBm | >86% at 19 um <30% at 4.5 um | |||||||
| Optical return loss tolerance | dB | 12 | ||||||||
| Transmitter eye mask {X1, X2, X3, Y1, Y2, Y3} | {0.3,0.38,0.45,0.35,0.41,0.5} | 2 | ||||||||
| Receiver | ||||||||||
| Receive Rate for Each Lane | DRpl | Gb/s | 25.78125 ±100 ppm | 3 | ||||||
| Four Lane Wavelength Range | λ | nm | 840 | 860 | ||||||
| Overload Input Optical Power | Pmax | dBm | 3.4 | |||||||
| Average Receive Power for Each Lane | Pin | dBm | -10.3 | 2.4 | 4 | |||||
| Receiver Sensitivity(OMA)per lane | Psens | dBm | -5.2 | |||||||
| Recevier Reflectance | Rfl | dB | -12 | |||||||
| Receiver Eye MaskDefinition {X1, X2, X3, Y1, Y2,Y3} | {0.28,0.5,0.5,0.33,0.33,0.4} | 5 | ||||||||
| Los De-Assert | Pd | dBm | -13 | |||||||
| Los Assert | Pa | dBm | -30 | |||||||
| Loss Hysteresis | Pd-Pa | dBm | 0.5 | |||||||
Notes:
- Transmitter consists of 4 lasers operating at a maximum speed of 25.78125Gb/s ±100ppm each.
- Hit Ratio 1.5 x 10-3hits/sample.
- Receiver consists of 4 photodetectors operating at a maximum speed of 25.78125Gb/s ±100ppm each.
- Minimum value is informative only and not the principal indicator of signal strength.
- Hit Ratio 5 x 10-5hits/sample.
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