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40G eSR4

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40G Base QSFP+ eSR4 Transceiver

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11. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 11 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C Recommended Host Board Power Supply Circuit

13. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 13 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C Recommended Interface Circuit

8. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 8 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C Low Speed Electrical Specification

5. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 5 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C 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.

12. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 12 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C Application in System Figure 2 : Application Reference Model Figure 3 : Recommended Host Board Power Supply Filtering

14. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 14 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C Mechanical Design Diagram Unit: mm

15. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 15 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C Regulatory Compliance Feature Test Method Performance Laser Eye Safety FDA 21 CFR 1040.10 and 1040.11 IEC 60825 - 1: 1994+ A11: 1996+ A2: 2001 IEC 60825 - 2: 2004 + A1: 2006 EN 60825 - 1:1994+A1:2002+A2:2001 EN 60825 - 2: 2004 Compliant with Class 1 laser product Electrostatic Discharge (ESD) to the Electrical Pins MIL - STD - 883E Method 3015.4 Human Body Model Class 1 (>1.5kV) Electrostatic Disch arge (ESD) Immunity IEC 61000 - 4 - 2: 2001 Class 2 (>4.0kV) Electromagnetic Interference (EMI) FCC Part 15 Subpart J Class B CISPR22:1997+A1:2000+A2:2002, Class B EN55022:1998+A1:2000+A2:2003, Class B Compliant with standards

1. Data Sheet All contents are Copyright © 1996 – 20 1 7 W ave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 1 of 16 4 0GBase Q SFP+ eSR4 Optical Transceivers WST - QSFP+eSR4 - C Absolute Maximum Ratings Not necessarily applied together. Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied. Parameter Symbol Min Typical Max Unit Note Storage Temperature Ts - 40 85 °C 3.3V Power Supply Voltage Vcc - 0.5 3.6 V Data Input Voltage ― Single Ended - 0.5 Vcc+0.5 V Relative Humidity RH 5 85 % Rx Optical Damage Threshold / Lane DT 3.4 dBm Features:  Compliant with 40GBASE - SR4 per IEEE 802.3ba D3.2 nd SFF - 8436 QSFP+ MSA Rev. 4.1  Operating at 10.3125 - Gbps per lane with 64b/66b coded data  Low power dissipation < 1.5W (Power Level - 1)  Full Digital Diagnostics Monitor Interface  Hot pluggable electrical interface  Standard 12/8 lane optical fiber with MPO pluggable optical connector .  0 to 70 ° C case temperature operating range  300 - m Link Length via OM3 with MPO Optical Connector  RoHS Compliance and Lead - Fr ee Applications:  40GBASE - SR4 Ethernet Links  InfiniBand QDR, DDR, and SDR  4G/8G/10G Fiber Channel  SATA/SAS Storage  HPC Interconnect s Proprietary Interconnection

4. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 4 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C X1, X2, X3; Y1, Y2, Y3. 0.23, 0.34, 0.43; 0.27, 0.35, 0.4 Receiver Optical Characteristics Central wavelength, each lane λ 840 850 860 nm Damage Threshold 3.4 dBm Maximum Average power at receiver input, each lane 2.4 dBm OMA, each Lane 3 dBm Non - Stressed Receiver Sensitivity (Avg.) - 7.5 dBm 2 LOS Assert - 30 dBm LOS De - Assert - 7.5 dBm LOS Hyste resis 0.5 dB Notes: 1. Hit ratio= 5 × 10 - 5 per sample. 2. Measured with 10.3125 - Gbps of PRBS - 31 at 10 - 12 BER.

3. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 3 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C Receiver Electrical Characteristics Data Output Differential Peak - to - Peak Voltage Swing Δ V DO pp 200 900 mVpp 4 Output Transition Time 20% to 80% t_rise, t_fall 28 ps Differential Output Return Loss Per IEEE 802.3ba, Section 86A.4.2.1 dB 2 Common Mode Output Return Loss Per IEEE 802.3ba, Section 86A.4.2.2 dB 2 Output Total Jitter 62 ps J2 Jitter Output Jo2 0.42 UI J 9 Jitter Output Jo9 0.65 UI Eye Mask Coordinates: X1, X2; Y1, Y2. Specification Value 0.29, 0.5; 150, 425. UI; mV 3 Notes: 1. “Initialization Time” is the time from when the supply voltages reach and remain above the minimum “Recommended Operating Conditions” to the time when the module enables TWS access. The module at that point is fully functional. 2. 10M to 11.1 GHz according to IEEE 802.3ba specification. 3. Hit ratio= 5 × 10 - 5 per sample. 4. AC - Coupled with 100 Ω differential output impedance. Optical Characteristics Parameter Symbol Min Typical Max Unit Note Transmitter Optical Characteristics Central Wavelength λ 840 860 nm Spectral Width – RMS Δλ 0.55 nm Output Optical Power: Average PO_AVE - 7.6 2.4 dBm Output Optical Modulation Amplitude, per lane OMA - 3 dBm Difference in Power between any Two Lanes in OMA 4.0 dB Transmitter and Dispersion Penalty (TDP,) each Lane 3.5 dB Optical Extinction Ratio ER 3 dB Disabled Output Optical Power PO_OFF - 30 dBm Eye Mask C oordinates: Specification Value UI 1

10. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 10 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C 20 GND Ground 1 1 21 CML - O Rx2n Receiver Inverted Data Output 3 22 CML - O Rx2p Receiver Non - Inverted Data Output 3 23 GND Ground 1 1 24 CML - O Rx4n Receiver Inverted Data Output 3 25 CML - O Rx4p Receiver Non - Inverted Data Output 3 26 GND Ground 1 1 27 LVTTL - O ModPrsL Module Present 3 28 LVTTL - O IntL Interru pt 3 29 Vcc Tx +3.3V Power supply transmitter 2 2 30 Vcc1 +3.3V Power supply 2 2 31 LVTTL - I LPMode Low Power Mode 3 32 GND Ground 1 1 33 CML - I Tx3p Transmitter Non - Inverted Data Input 3 34 CML - I Tx3n Transmitter Inverted Data Input 3 35 GND Ground 1 1 36 CML - I Tx1p Transmitter Non - Inverted Data Input 3 37 CML - I Tx1n Transmitter Inverted Data Input 3 38 GND Ground 1 1 Notes: 1. GND is the symbol for signal and supply (power) common for the QSFP+ module. All are common within the QSFP+ m odule and all module voltages are referenced to this potential unless otherwise noted. Connect these directly to the host board signal - common ground plane. 2. Vcc Rx, Vcc1 and Vcc Tx are the receiver and transmitter power supplies and shall be applied conc urrently. Requirements defined for the host side of the Host Edge Card Connector are listed in Table 6. Recommended host board power supply filtering is shown in Figure 4. Vcc Rx Vcc1 and Vcc Tx may be internally connected within the QSFP+ module in any co mbination. The connector pins are each rated for a maximum current of 500 mA.

9. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 9 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C QSFP+ Module Pad Assignments and Descriptions Pin Logic Symbol Description Plug Sequence Notes 1 GND Ground 1 1 2 CML - I Tx2n Tra nsmitter Inverted Data Input 3 3 CML - I Tx2p Transmitter Non - Inverted Data Input 3 4 GND Ground 1 1 5 CML - I Tx4n Transmitter Inverted Data Input 3 6 CML - I Tx4p Transmitter Non - Inverted Data Input 3 7 GND Ground 1 1 8 LVTTL - I ModSelL Module Selec t 3 9 LVTTL - I ResetL Module Reset 3 10 Vcc Rx +3.3V Power Supply Receiver 2 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 2 14 CML - O Rx3p Receiver Non - Inverted Data Output 3 15 CML - O Rx3n Receiver Inverted Data Output 3 16 GND Ground 1 1 17 CML - O Rx1p Receiver Non - Inverted Data Output 3 18 CML - O Rx1n Receiver Inverted Data Output 3 19 GND Ground 1 1

2. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 2 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C Recommended Operating Conditions Parameter Symbol Min Typical Max Unit N ote Case Temperature Tc 0 40 70 °C 3.3 V Power Supply Voltage Vcc 3.135 3.3 3.465 V Signal Rate per Channel 2.5 10.3125 Gbps 1 Control Input Voltage High Vih 2 Vcc+0.3 V Control Input Voltage Low Vil - 0.3 0.8 V Two Wire Serial (TWS) Interface Clock Rate 100 kHz Power Supply Noise Ripple Suscepti - bility (PSNR) PSNR 50 mVpp 2 Receiver Differential Data Output Load 100 Ohms Fiber Length: 2000 MHz·km 50 μ m MMF (OM3) 0.5 300 m Notes: 1. Lane speed up to 12.5 - Gbps is available upon c ustomer requests. 2. Power supply noise is defined as peak - to - peak noise amplitude over 1K to 15 MHz frequency range at host supply side by the recommended power supply filter for module. See Section 10 for the recommended power supply filter. Electrical Characteristics Parameter Symbol Min Typical Max Unit Note Transceiver Electrical Characteristics TRx Power Consumption 1.5 W TRx Power Supply Current Icc 420 mA TRx Power - On Initialization Time Tpwr_init 2000 ms 1 Transmitter Electrical Char acteristics Data Input Differential Peak - to - Peak Voltage Swing ΔVDI PP 1200 mVpp Differential Input Return Loss Per IEEE 802.3ba, Section 86A.4.1.1 dB 2 Differential to Common Mode Input Return Loss 10 dB 2 J2 Jitter Tolerance Jt2 0.17 UI J9 Jitter Tolerance Jt9 0.29 UI Eye Mask Coordinates: X1, X2; Y1, Y2. Specification Value 0.11, 0.31; 95, 350. UI; mV 3

7. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 7 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C 148 - 163 16 Vendor name 57 41 56 45 53 50 4C 49 54 54 45 52 20 20 20 20 WAVESPLITTER 164 1 Extended Module Codes 0 4 165 - 167 3 Vendor OUI 00 0F 0E 168 - 183 16 Vendor Part Number 57 53 54 2D 51 53 46 50 2B 65 53 52 34 2D 43 20 WST - Q SFP+ eSR4 - C 184 - 185 2 Vendor rev 30 3 2 0 2 186 - 187 2 Wavelength 42 6 8 188 - 189 2 Wavelength Tolerance 07 D0 190 1 Max case temp 46 70C 191 1 Check code for [128 - 190] X x 192 - 195 4 Options 00 00 00 12 196 - 211 16 Vendor SN CC CM YY MM ID SN SN SN SN 20 20 20 20 20 20 20 CC: C ountry code CM: CM code YY: Year MM: Month ID: Product ID SN: Sequence 212 - 219 8 Dat e code YY YY MM MM DD DD LL LL YY: Year MM: Month DD: Day of month LL: Lot number 220 1 DOM type 08 F or a verage power 221 1 Enhanced Options 00 222 1 Reserved 0 0 22 3 - 25 5 33 Vendor specified X x

16. Page 16 of 16 Document Number: 95 - 0 100 - V 3.1 4 0GBase Q SFP+ eS R 4 Optical Transceivers WST - Q SFP+ eS R 4 - C Ordering Information Part No Specification Package Data rate per Lane Laser Optical Power Detector Rx Sensitivity Temp Reach Other Application code WST - Q SFP+ eS R 4 - C Q SFP+ 10.3 Gbps 850 n m VCSEL - 3.0 dBm ~ +2.4 dBm PIN - 7.5 d Bm I n OMA 0~70 o C 40 0 m for OM4 30 0m for OM3 DDM RoHS 4 0GBASE - eS R 4 Modification History Revision Date Description Originator Review Approved V 1.0 6 - Aug - 20 1 3 New Issue Min Liu Wayne Liao Wayne Liao V2.0 25 - Apr - 2014 Modify photo, outline drawing, and Rx sensitivity Min Liu Wayne Liao Wayne Liao V2.1 31 - Jul - 15 R evise sensitivity data Ivy Chen Wayne Liao Wayne Liao V3.0 23 - Feb - 16 Update the entire data sheet Ivy Chen Wayne Liao Wayne Liao V3.1 06 - Dec - 16 EEPROM update Ivy Chen Wayne Liao Wayne Liao All specification data are accurate on the date of publication for product comparisons and ordering information. Wavesplitter Technologies, Inc. reserves the right to change specifications without notice. U.S. Branch 208 0 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, Xintai 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

6. All contents are Copyright © 1996 - 20 1 7 Wave S plitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 6 of 16 Document Number: 95 - 0 100 - V 3 . 1 4 0GBase Q SFP+ eS R 4 Optical Transc eivers WST - Q SFP+ eS R 4 - C EEPROM Serial ID Memory Contents Accessing Serial ID Memory uses the 2 wire address 1010000X (A0H). Memory Contents of Serial ID are shown in Table as below. Serial ID Memory Contents Data Address Size (Bytes) Name of Field Contents(Hex) Description BASE ID FIELDS 0 1 Identifier 0 D Q SFP 1 - 2 2 Status Indicator 0 0 00 3 - 21 19 Interrupt Flags A ll 00 2 2 - 3 3 12 Module Monitors A ll 00 3 4 - 81 48 Channel Monitors A ll 00 82 - 8 5 4 Reserved 00 00 00 00 8 6 - 97 12 Control All 00 98 - 99 2 Reserved 00 00 10 0 - 10 6 7 Module & Channel Masks 00 00 00 00 00 00 00 107 - 118 12 Reserved All 00 119 - 122 4 P assword Change Entry 00 00 00 00 123 - 126 4 Password Entry 00 00 00 00 127 1 Page Select 00 128 1 Identifier 0 D Q SFP + 1 29 1 Ext. Identifier 0 0 130 1 Connector 0 C MPO Connector 131 - 138 8 Specification Compliance 0 0 00 00 00 4 0 4 0 0 6 00 4 0G eSR4 ove r 300 m 1 39 1 Encoding 0 5 64B/66B 1 40 1 BR - Normal 67 10.3Gbps per lane 1 41 1 Extended Rate Select 00 unspecified 14 2 1 Length SM - km 0 0 1 43 1 Length, OM3 - 2m 96 1 44 1 Length, OM2 - 1m 42 1 45 1 Length, OM1 - 1m 00 1 46 1 Length, Cu - 1m 00 not support cop per 1 47 1 Device technology 0 0

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