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[China]
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Address: 4/F, No.2 Building, Delux Science and Technology City, GuanLan Hi-tech park, No.5 Guanyi Road, Longhua District, Shenzhen, China
Contact name:Larry
Shenzhen Olinkcom Technology Co.,Ltd |
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Generic Compatible 100G QSFP28 Transceiver CWDM4 DOM LC SMF ODM OEM
Generic Compatible 100G CWDM4 QSFP28 2km DOM LC SMF Optical Transceiver Module
Functional Description
Olinkcom's OLSQXXTXM-CD02 optical transceiver integrates the transmit and receive path onto one module. On the transmit side, four lanes of serial data streams are recovered, retimed,and passed on to four laser drivers, which control four CWDM with 1271, 1291, 1311, and 1331 nm center wavelengths. The optical signals are then multiplexed into a single-mode fiber through an industry-standard LC connector.On the receive side, four lanes of optical data streams are optically demultiplexed by an integrated optical demultiplexer. Each data steam is recovered by a PIN photodetector and transimpedance amplifier, retimed, and passed on to an output driver. This module features a hot-pluggable electrical interface, low power consumption, and 2-wire serial interface.
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. | Unit | Note |
| Data Rate | DR | 103.1 | Gb/s | |||
| Supply Voltage | Vcc | 3.14 | 3.3 | 3.47 | V | |
| Supply Current | Icc | 1.06 | A | |||
| Operating Case Temp. | Tc | 0 | 70 | °C |
Electrical Characteristics
(Tested under recommended operating conditions,unless otherwise noted)
| Parameter | Symbol | Min | Typ | Max | Unit | Notes | ||||
| Transmitter | ||||||||||
| Signaling rate per lane | DRPL | 25.78125 ± 100 ppm | Gb/s | |||||||
| Differential input return loss (min) | RLd(f) | 9.5 – 0.37f, 0.01≤f<8 4.75 – 7.4log10(f/14), 8 ≤f<19
| dB | |||||||
Differential to common mode input return loss (min) | RLdc(f) | 22-20(f/25.78), 0.01≤f<12.89 15-6(f/25.78), 12.89≤f<19
| dB | |||||||
| Differential termination mismatch | Tm | 10 | % | |||||||
| Eye width | Ew | 0.46 | UI | |||||||
| Applied pk-pk sinusoidal jitter | Ppj | Per IEEE 802.3bm | ||||||||
| Eye height | Eh | 95 | mV | |||||||
| DC common mode voltage | DCv | -350 | 2850 | mV | ||||||
| Receiver | ||||||||||
| Signaling rate per lane | DRPL | 25.78125 ± 100 ppm | Gb/s | |||||||
| Differential data output swing | Vout,pp | 400 | 800 | mV | ||||||
| Eye width | Ew | 0.57 | UI | |||||||
| Vertical eye closure | 5.5 | dB | ||||||||
| Differential output return loss (min) | RLd(f) | 9.5 – 0.37f, 0.01≤f<8 4.75 – 7.4log10(f/14), 8 ≤f<19
| dB | |||||||
Common to differential mode conver- sion return loss (min)
| RLdc(f) | 22-20(f/25.78), 0.01≤f<12.89 15-6(f/25.78), 12.89≤f<19
| dB | |||||||
| Differential termination mismatch | Tm | 10 | % | |||||||
| Transition time, 20% to 80% | Tr,Tf | 12 | ps | |||||||
Optical Characteristics
(Tested under recommended operating conditions,unless otherwise noted)
| Parameter | Symbol | Unit | Min | Typ | Max | Notes | ||||
| Transmitter | ||||||||||
| Signaling rate, each lane | Gb/s | 25.78125 ±100 ppm | 1 | |||||||
| Four Lane Wavelength Range | λ1 | nm | 1264.5 | 1271 | 1277.5 | |||||
| λ2 | 1284.5 | 1291 | 1297.5 | |||||||
| λ3 | 1304.5 | 1311 | 1317.5 | |||||||
| λ4 | 1324.5 | 1331 | 1337.5 | |||||||
| Total launch power | Pout | dBm | 8.5 | |||||||
| Average launch power, each lane | Pavg | dBm | -6.5 | 2.5 | 2 | |||||
| Optical Modulation Amplitude (OMA), each lane | POMA | dBm | -4.0 | 2.5 | ||||||
| Extinction ratio | ER | dB | 3.5 | |||||||
| Side-mode suppression ratio | SMSR | dB | 30 | |||||||
Average launch power of OFF transmitter, per lane | POFF | dBm | -30 | |||||||
| Optical return loss tolerance | dB | 20 | ||||||||
| Transmitter reflectance | dB | –12 | ||||||||
| Transmitter eye mask {X1, X2, X3, Y1, Y2, Y3} | {0.31, 0.4, 0.45, 0.34, 0.38, 0.4} | 3 | ||||||||
| Receiver | ||||||||||
| Receive Rate for Each Lane | Gb/s | 25.78125 ±100 ppm | 4 | |||||||
| Four Lane Wavelength Range | λ1 | nm | 1264.5 | 1271 | 1277.5 | |||||
| λ2 | 1284.5 | 1291 | 1297.5 | |||||||
| λ3 | 1304.5 | 1311 | 1317.5 | |||||||
| λ4 | 1324.5 | 1331 | 1337.5 | |||||||
| Overload Input Optical Power | Pmax | dBm | 3.5 | |||||||
Average Receive Power for Each Lane | Pin | dBm | -11.2 | 2.5 | 5 | |||||
| Receiver Sensitivity(OMA)per lane | Psens1 | dBm | -10 | 6 | ||||||
| Stressed Sensitivity(OMA) per lane | Psens2 | dBm | -7.3 | 7 | ||||||
| Receiver reflectance | RL | dB | -26 | |||||||
| Los De-Assert | Pd | dBm | -11.6 | |||||||
| Los Assert | Pa | dBm | -24 | |||||||
| Loss Hysteresis | Pd-Pa | dBm | 2 | |||||||
Notes:
1. Transmitter consists of 4 lasers operating at 25.78Gb/s each.
2. Average launch power, each lane (min) is informative and not the principal indicator of signal strength. A transmitter with launch power below this value cannot be compliant; however, a value above this does not ensure compliance.
3. Hit ratio 5x10-5.
4. Receiver consists of 4 photodetectors operating at 25.78Gb/s each.
5. Minimum value is informative, equals min TxOMA with infinite ER and max channel insertion loss.
6. Sensitivity is specified at 5x10-5 BER
7. Measured with CWDM4 MSA2 conformance test signal at TP3 for 5x10-5 BER
Product Features
● Duplex LC receptacle optical interface
● Single +3.3V power supply
● Hot-pluggable QSFP28 MSA form factor
● 4x25G Electrical Serial Interface
● AC coupling of CML signals
● Transmitter: cooled 4x25Gb/s CWDM TOSA (1271,1291,1311,1331nm)
● Receiver: 4x25Gb/s PIN ROSA
● Low power dissipation(Max:3.5W)
● Built in digital diagnostic function
● Operating case temperature range:0℃ to 70℃
● Compliant with 100GBASE
● I2C Communication Interface
Applications
● 100GBASE CWDM4
● Infiniband QDR and DDR interconnects
● 100G Datacom connections
Standards
● Compliant with IEEE 802.3bm CAUI-4 Interface
● Compliant with QSFP28 MSA hardware specifications
● Compliant with CWDM4 MSA
● Compliant with RoHS
