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WST-QS28-P4-x

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100-Gbps QSFP+ PSM4 Optical Transceiver Module

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5. All contents are Copyright © 1996 - 2017 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 5 of 11 Document Number: 95 - 0090 - V1. 3 100 - Gbps QSFP+ PSM4 Optical Transceiver Module WST - QS28 - P4 - x Pin Logic Symbol Description Plug Sequence Notes 19 GND Ground 1 20 GND Ground 1 21 CML - O Rx2n Receiver Inverted Data Output 3 22 CML - O Rx2p Receiver Non - Inverted Data Output 3 23 GND Ground 1 24 CML - O Rx4n Receiver Inverted Data Output 3 25 CML - O Rx4p Receiver Non - Inverted Data Output 3 26 GND Ground 1 27 LVTTL - O ModPrsL Module Present 3 28 LVTTL - O IntL Interrupt 3 29 Vcc Tx +3.3V Power supply transmitter 2 30 Vcc1 +3.3V Power supp ly 2 31 LVTTL - I LPMode Low Power Mode 3 32 GND Ground 1 33 CML - I Tx3p Transmitter Non - Inverted Data Input 3 34 CML - I Tx3n Transmitter Inverted Data Input 3 35 GND Ground 1 36 CML - I Tx1p Transmitter Non - Inverted Data Input 3 37 CML - I Tx1n Tr ansmitter Inverted Data Input 3 38 GND Ground 1

7. All contents are Copyright © 1996 - 2017 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 7 of 11 Document Number: 95 - 0090 - V1. 3 100 - Gbps QSFP+ PSM4 Optical Transceiver Module WST - QS28 - P4 - x Recommended Interface Circuit

6. All contents are Copyright © 1996 - 2017 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 6 of 11 Document Number: 95 - 0090 - V1. 3 100 - Gbps QSFP+ PSM4 Optical Transceiver Module WST - QS28 - P4 - x Recommended Host Board Power Supply Circuit

9. All contents are Copyright © 1996 - 2017 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 9 of 11 Document Number: 95 - 0090 - V1. 3 100 - Gbps QSFP+ PSM4 Optical Transceiver Module WST - QS28 - P4 - x Figure 6 : QSFP+ Optical Receptacle and Channel Orientation for MPO /APC connector 8deg APC surface

8. All contents are Copyright © 1996 - 2017 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 8 of 11 Document Number: 95 - 0090 - V1. 3 100 - Gbps QSFP+ PSM4 Optical Transceiver Module WST - QS28 - P4 - x Mechanical Design Diagram Unit: mm Yellow color tab for PSM4 products Figure 5 : Drawing of QSFP + Module

10. All contents are Copyright © 1996 - 2017 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 10 of 11 Document Number: 95 - 0090 - V1. 3 100 - Gbps QSFP+ PSM4 Optical Transceiver Module WST - QS28 - P4 - x Memory Map The memory map is structured as a single address and multiple page approaches, according to the QSFP + SFF - 8436 MSA specification as shown in the below . For more detailed description of this memory map or lower pages, please see our Memory Map document with flexible customization settings.

1. Data Sheet All contents are Copyright © 1996 – 20 1 6 W ave S plitter Technologie s, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 1 of 11 100 - Gbps QSFP+ PSM4 Optical Transceiver Module P/N: WST - QS28 - P4 - x Absolute Maximum Ratings Not necessarily applied together. Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied. Parameter Min Max Unit Note Storage Temperature 0 70 °C 1 3.3V Power Supply Voltage - 0.3 3.6 V Data Input Voltage - Single Ended - 0.3 V cc +0.3 V Control Input Voltage - 0.3 3.6 V Relative Humidity 5 85 % 2 Notes: 1. Limited by the fiber cable jacket, not the active ends. 2. Non - condensing. Features:  Compliant with 100G Ethernet IEEE 802.3bm and 100G PSM4 MSA V2.0  Compliant to SFF - 8665 (QSFP28 Solution) Revision 1.8  Supports 100 Gbps dat a rate links of up to 500 m via single mode fiber  Hot pluggable electrical interface  Using stan dard 12 - lane optical fiber with MPO pluggable optical connector.  C ase temperature operating range  0 to 70°C (WST - QS28 - P4 - C)  0 to 6 0°C (WST - QS28 - P4 - D)  RoHS - 6 Comp liant (lead - free) Applications:  100GBASE Ethernet links up to 500 m over SMF  InfiniBand EDR, FDR, & QDR  HPC Interconnect s  Proprietary Interconnections

3. All contents are Copyright © 1996 - 2017 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 3 of 11 Document Number: 95 - 0090 - V1. 3 100 - Gbps QSFP+ PSM4 Optical Transceiver Module WST - QS28 - P4 - x Optical Characteristics Parameter Symbol Min Typical Max Unit Note Transmitter Optical Characteristics Center Wavelength λ 1295 1325 nm Side - Mode Suppression Ratio SMSR 3 0 dB Output Optical Power: Average P O AVE - 9 .4 2. 0 dBm 1 Output Optical Modulation Amplitude, per Lane OMA - 5 . 2 2.2 dBm 1, 2 Extinction Ratio ER 3.5 dB Eye Mask {X1, X2, X3, Y1, Y2, Y3} {0.3 1,0.4,0.45,0.34,0.38,0.4} 3 Receiver Optical Characteristics Center Wavelength, Each Lane λ 1295 1325 nm Damage Threshold 2.0 dBm Receiver Optical Modulation Amplitude (OMA) , Each Lane 2.2 dBm 1 Receiver Sensitivity in OMA , Each Lane - 11. 35 dBm 4 Stressed Receiver Sensitivity in OMA , Each Lane - 8.79 dBm 5 Receiver Reflectance - 12 dB Notes: 1. TDP value and dependent parameters are subject to confirmation. 2. Even if the TDP is less than 0.9 dB the OMA min must exceed this value. 3. See f igure 6 in 100G PSM4 MSA V2.0 . 4. Receiver sensitivity (OMA), each lane (max) for BER= 5x10 - 5 which is informative 5. Measured with conformance test signal at TP3 (see IEEE 802.3 - 2012 clause 87.8.11 as an example for test method) for BER = 5x10 - 5

4. All contents are Copyright © 1996 - 2017 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 4 of 11 Document Number: 95 - 0090 - V1. 3 100 - Gbps QSFP+ PSM4 Optical Transceiver Module WST - QS28 - P4 - x QSFP+ Module Pad Assignments and Descriptions Pin Logic Symbol Description Plug Sequence Notes 1 GND Ground 1 2 CML - I Tx2n Transmitter Inverted Data Input 3 3 CML - I Tx2p Transmitter Non - Inverted Data Input 3 4 GND Ground 1 5 CML - I Tx4n Trans mitter Inverted Data Input 3 6 CML - I Tx4p Transmitter Non - Inverted Data Input 3 7 GND Ground 1 8 LVTTL - I ModSelL Module Select 3 9 LVTTL - I ResetL Module Reset 3 10 Vcc Rx +3.3V Power Supply Receiver 2 11 LVCMOS - I/O SCL 2 - wire serial interface clock 3 12 LVCMOS - I/O SDA 2 - wire serial interface data 3 13 GND Ground 1 14 CML - O Rx3p Receiver Non - Inverted Data Output 3 15 CML - O Rx3n Receiver Inverted Data Output 3 16 GND Ground 1 17 CML - O Rx1p Receiver Non - Inverted Data Output 3 18 C ML - O Rx1n Receiver Inverted Data Output 3

11. Page 11 of 11 Document Number: 95 - 0090 - V1. 3 100 - Gbps QSFP+ PSM4 Optical Transceiver Module WST - QS28 - P4 - x Ordering Information Part No Specification Package Data rate per Lane Laser Optical Power (OMA) PD Max. Stress Receive Sensitivity Temp Reach Other Application code WST - Q S 28 - P 4 - C Q SFP 28 25.78 Gbps 1310nm DFB - 5.2 dBm ~ +2.2 d Bm PIN - 8. 79 d Bm in OMA for BER 5x10 - 5 0~70 o C 500 m for SMF DDM RoHS 10 0GBASE - PSM4 WST - Q S 28 - P 4 - D Q SFP 28 25.78 Gbps 1310nm DFB - 5.2 dBm ~ +2.2 d Bm PIN - 8. 79 d Bm in OMA for BER 5x10 - 5 0~ 6 0 o C 500 m for SMF DDM RoHS 10 0GBASE - PSM4 All specification data are accurate on the date of publication for product comparisons and orderin g information. Wavesplitter Technologies, Inc. reserves the right to change specifications without notice. U.S. Branch 2080 Rancho Higuera Ct. Fremont, CA 9 45 3 9, USA Tel: 510 - 651 - 7800 Fax: 510 - 651 - 7822 Taipei Headquarters 16F - 5, No. 75, Sec. 1, Xint ai 5th Rd., Xizhi Dist. , New Taipei C ity 221 01 , Taiwan Tel: +886 - 2 - 2 698 - 7208 Fax: +886 - 2 - 2 698 - 7210 ShenZhen Branch 610#, 6F, No.204 Building, 2nd Industrial zone Nanyou, Nanshan district, Shenzhen, Guangdong China 518054 Tel: +86 - 755 - 86265980 Fax: +86 - 755 - 26642741

2. All contents are Copyright © 1996 - 2017 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 2 of 11 Document Number: 95 - 0090 - V1. 3 100 - Gbps QSFP+ PSM4 Optical Transceiver Module WST - QS28 - P4 - x Recommended Operating C onditions Parameter Min Typical Max Unit Note Case Operating Temperature 0 70 °C P/N: WST - QS28 - P4 - C 0 60 °C P/N: WST - QS28 - P4 - D Power Supply Voltage 3.135 3.3 3.465 V Date Rate per Channel 25.78125 Gbps Bit Error Ratio 5E - 5 Control Input Volt age High 2.6 3.6 V Control Input Voltage Low - 0.6 V Two Wire Serial (TWS) Interface Clock Rate 0 100 400 kHz Differential Data Input / Output Load 100 Ohms Link Reach 2 5 00 m Electrical Characteristics Parameter Symbol Min Typical Max Unit Note Transceiver Electrical Characteristics TRx Power Consumption 3. 2 W P/N: WST - QS28 - P4 - C 3.5 W P/N: WST - QS28 - P4 - D Transmitter Electrical Characteristics D ata Input Differential Peak - to - Peak Voltage Swing ΔVDI PP 900 mVpp Common Mode Voltage (Max) 1.9 V Common Mode Voltage (Min) 0 V Differential Input Return Loss 12.05 - f for 0.05<=f<=6 GHz, 6.45 – 0.075f from 6<f<=19 GHz dB Transmitter Eye Mask 0 % Receiver Electrical Characteristics Differential Output Return Loss 12.05 - f for 0.05<=f<=6 GHz, 6.45 – 0.075f from 6<f<=19 GHz dB Common Mode Output Return Loss 25 - 1.44f 0.05<=f<=6.95, 15 6/95<f<=19 dB Differential Output Voltage 900 mV Eye Width 0.57 UI Eye Height, Differen tial 228 mV J2 Jitter Output Jo2 0.44 UI J9 Jitter Output Jo9 0.69 UI

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