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40G LR4

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40G Base QSFP+ LR4 Optical Transceivers

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7. All contents are Copyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 7 of 10 Document Number: 95 - 0247 - V1. 2 40GBase QSFP+ LR4 10km transceiver P /N: WST - QSFP+LR4c - C R ecommended Host Board S chematic

9. All contents are Copyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 9 of 10 Document Number: 95 - 0247 - V1. 2 40GBase QSFP+ LR4 10km transceiver P /N: WST - QSFP+LR4c - C Mechanical Design Diagram Product shall be of design, construction and physical dimensions specifie d on applicable product drawing. Unit: mm

5. All contents are Copyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 5 of 10 Document Number: 95 - 0247 - V1. 2 40GBase QSFP+ LR4 10km transceiver P /N: WST - QSFP+LR4c - C Pin Description PIN Symbol Description N ote 1 GND Ground 2 TX2n Transmitter Inverted Data Input 3 TX2p Transmitter Non - Inverted Data Input 4 GND Ground 1 5 TX4n Transmitter Inv erted Data Input 6 TX4p Transmitter Non - Inverted Data Input 7 GND Ground 1 8 ModSelL Module Select 2 9 ResetL Module Reset 2 10 V cc RX +3.3V Receiver Power Supply Receiver 11 SCL 2 - wire Serial Interface Clock 2 12 SDA 2 - wire Seria l Interface Data 2 13 GND Ground 1

1. Data Sheet All contents are Copyright © 1996 - 20 19 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 1 of 10 40G Base QSFP+ LR4 10km transceiver P/N: WST - QSFP+LR4c - C G eneral Product C haracteristics Parameter Value Unit Comments Module Form Factor QSFP+ As defined by SFF - 8661 Module Form Factor Number of Lanes 4 TX and 4 RX Maximum Aggregate Data Rate 41.25 Gb /s Maximum Data Rate per Lane 10.3125 Gb /s Protocols Supported InfiniBand, Ethernet Electrical Interface and Pin - out 38 - pin edge connector Pin - out as defined by SFF - 8679 Maximum Power Consumption 3.5 Watts Varies with output voltage swing and pre - emphasis settings Management Interface Serial, I 2 C - based, 400 kHz maximum frequency As defined by SFF - 8636 Features: ◼ Hot Pluggable QSFP+ form factor ◼ D FB Laser/PIN Photo Detector ◼ Supports 10.3125Gb/s per channel ◼ Maximum po wer consumption 3.5W ◼ Up to 10km transmission on SMF ◼ Operating Case Temperature: 0 °C ~70 °C ◼ Duplex LC receptacles ◼ SFF - 8636: Management Interface ◼ SFF - 8661: Pluggable Module ◼ SFF - 8679: General Electrical ◼ GR - 468: Reliability Qualification ◼ IEEE 802.3ba: Physical Layer Specifications and Management Parameters ◼ ROHS - 6: Environment Safety Applicati ons: ◼ Ethernet for 40GBASE - LR4 ◼ InfiniBand EDR, FDR

8. All contents are Copyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 8 of 10 Document Number: 95 - 0247 - V1. 2 40GBase QSFP+ LR4 10km transceiver P /N: WST - QSFP+LR4c - C Memory Map 2 - Wire Serial Address 1010000x Lower Page 00h 0 Identifier 1 - 2 Status 3 - 2 1 Interrupt Flags 22 - 23 Free Side Device Monitors 34 - 81 Channel Monitors 82 - 85 Reserved 86 - 9 8 Control 99 Reserved 100 - 104 Hardware Interrupt Pin Masks 105 - 106 Vendor Specific 107 Reserved 108 - 110 Free Side Device Properties 111 - 11 2 Assigned for use by PCI Express 113 Free Side Device Properties 114 - 118 Reserved 119 - 122 Password Change Entry Area (Optional) 123 - 126 Password Entry Area (Optional) 127 Page Select Byte Optional Optional Optional Upper Page 00h Page 01h Page 02h Page 03h 128 Identifier 128 CC_APPS 128 - 255 User EEPROM data 128 - 175 Free Side Device Thresholds 129 - 191 Base ID Fields 129 AST Table Length (TL) 130 - 131 Application Code Entry 0 132 - 133 Application Code Entry 1 134 - 253 other entries 176 - 223 Channel Thresholds 192 - 223 Extended ID 224 - 255 Vendor Specific ID 224 TX E Q & RX Emphasis Magnitude ID 225 RX output amplitude indicators 226 - 241 Channel Monitor Masks 254 - 255 Application Code Entry TL 252 - 255 Reserved

6. All contents are Copyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 6 of 10 Document Number: 95 - 0247 - V1. 2 40GBase QSFP+ LR4 10km transceiver P /N: WST - QSFP+LR4c - C 14 RX3p Receiver Non - Inverted Data Output 15 RX3n Receiver Inverted Data Output 16 GND Ground 1 17 RX1p Receiver Non - Inverted Data Output 18 RX1n Receiver Inverted Data Output 19 GND Ground 1 2 0 GND Ground 1 21 RX2n Receiver Inverted Data Output 22 RX2p Receiver Non - Inverted Data Output 23 GND Ground 1 24 RX4n Receiver Inverted Data Output 25 RX4p Receiver Non - Inverted Data Output 26 GND Ground 1 27 ModPrsL Module Present, internal pulled down to GND 28 IntL Interrupt output, should be pulled up on host board 29 Vcc TX +3.3V Transmitter Power Supply 30 Vcc1 +3.3V Power Supply 31 LPMode Low Power Mode 2 32 GND Ground 33 TX3p Transmitter Non - Inverted Data Inpu t 34 TX3n Transmitter Inverted Data Input 35 GND Ground 36 TX1p Transmitter Non - Inverted Data Input 37 TX1n Transmitter Inverted Data Input 38 GND Ground 1 Notes: 1. GND is the symbol for signal and supply (power) common for the module. All are common within the module and all module voltages are reference to this potential unless otherwise noted. Module circuit ground is isolated from module chassis ground with in the module. 2. Open collector, should be pulled up with 4.7~10K ohms on the host boar d to a voltage between 3.15V and 3.6V.

2. All contents are Copyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 2 of 10 Document Number: 95 - 0247 - V1. 2 40GBase QSFP+ LR4 10km transceiver P /N: WST - QSFP+LR4c - C A bsolute M aximum P arameters Exceeding the limits below may damage the optical transceiver module permanently Parameter Symbol Min. Typ. Max. Unit. Note Maximum Supply Voltage V cc - 0.5 3.6 V Storage Temperature T sto - 40 85 °C Case Operating Temperature T op 0 70 °C Relative Humidity RH 0 85 % 1 Note: 1. No - condensing. P arameters Parameter Symbol Min. Typ. Max. Unit. Note Supply Voltage V cc 3.13 3.47 V Power Consumption P Con 3.5 W Bit Rate BR 10.3125 Gb/s 1 Transmit Distance D - 10 k m 2 Number of Lanes 4 Management Interface Serial, I 2 C - based, maximum frequency 400 kHz 3 Logic Input Voltage High V ih 2 Vcc+0.3 V Logic Input Voltage Low V il - 0.3 0.8 V Note : 1. Single lane 2. As defined by IEEE802.3ba 3. As defined by SFF - 8636

4. All contents are Copyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 4 of 10 Document Number: 95 - 0247 - V1. 2 40GBase QSFP+ LR4 10km transceiver P /N: WST - QSFP+LR4c - C Optical Characteristics Parameter Symbol Min. Typ. Max. Unit. Note Tr ansmitter Signaling Speed per Lane 10 . 3125 ± 100ppm Gb/s Lane wavelengths (Range) λ 1264.5 1271 1277.5 nm 1284.5 1291 1297.5 1304.5 1311 1317.5 1324.5 1331 1337.5 Side - mode suppression ratio SMSR 30 dB Average launch power, each lane P avg - 7 2.3 dBm Optical Modulation Amplitude OMA - 4 3.5 dBm Extinction ratio ER 4 dB Transmitter and dispersion penalty, each lane TDP - 2.3 dB Average launch power of OFF transmitter, each lane P off - 30 dBm Transmitter eye mask definitio n Compliant with IEEE 802.3ba 1 Receiver Signaling Speed per Lane 10 . 3125 ± 100ppm Gb/s Lane wavelengths (Range) λ 1260 1310 1360 nm Average receiver power, each lane - 13.7 3 dBm 2 OMA Sensitivity power, each lane - 11.5 2 Receiver overload 4.5 dBm Reflectance Ref - 26 dB Notes: 1. Measured with a PRBS 2 31 - 1 test pattern @10.3125Gbps for Hit ra tio<5x10 - 5 2. Measured with conformance test signal for BER=1x10 - 12

10. Page 10 of 10 Document Number: 95 - 0247 - V1. 2 40GBase QSFP+ LR4 10km transceiver P /N: WST - QSFP+LR4c - C Ordering Information Part No Specification Package Data rate per Lane Laser Optical Power Detector Max. Receive Sensitivity (OMA) Temp Reach Other Application code WST - QSFP+LR4c - C QSFP+ 10.312 5 Gb p s per Channel DFB - 7 ~ + 2. 3 each Channel PIN - 11.5 Bm each Channel 0~70 °C 1 0 k m DDM RoHS 4 0G Ethernet Modification History Revision Date Description Originator Review Approved V 1 10 - Jul - 20 1 9 New Issue Ivy Chen Wayne Liao Wayne Liao V1.1 12 - Jul - 2019 Product picture change Ivy Chen Wayne Liao Wayne Liao V1.2 17 - Jul - 2019 Feature update , product picture change Ivy Chen Wayne Liao Wayne Liao All specification data are accurate on the date of publication for product comparisons and ordering information. WaveSp litter 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, 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 5F, 7th Building, Tian'an Industrial Zone, NanShan Area, ShenZhen China Tel: +86 - 755 - 86265980; Fax: +86 - 755 - 26642741

3. All contents are Copyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 3 of 10 Document Number: 95 - 0247 - V1. 2 40GBase QSFP+ LR4 10km transceiver P /N: WST - QSFP+LR4c - C E lectrical C haracteristics Parameter Symbol Min. Typ. Max. Unit. Ref. Transceiver Power Supply Current I cc 1100 mA Transceiver Power On Initialization Time T init 2000 ms Transmit ter at TP1a Differential Data Input Voltage Peak to Peak Swing V in,pp 200 1200 mV Differential Input Impedance Zin 90 100 110 Ohms Differential Input Return Loss SDD11 < − 12 + 2 × 푆푄푅푇 ( 푓 ) , 푓 in GHz dB 0.01 - 4.1GHz < − 6 . 3 + 13 × log 10 ( 푓 5 . 5 ) , 푓 푖푛 퐺퐻푧 dB 4.1 - 11.1GHz Differential to Common Mode Loss SCD11 - 10 dB 0.01 - 11.1GHz Jitter Tolerance (Total) TJ 0.4 UI Jitter Tolerance (Deterministic) DJ 0.15 UI Receiver at TP4 Differential Data Output Voltage Peak to Peak Swing V opp 300 800 mV Differential Output Impedance Zo ut 90 100 110 Ohms Differential Output Return Loss SDD22 < − 12 + 2 × 푆푄푅푇 ( 푓 ) , 푓 in GHz dB 0.01 - 4.1GHz < − 6 . 3 + 13 × log 10 ( 푓 5 . 5 ) , 푓 푖푛 퐺퐻푧 dB 4.1 - 11.1GHz Common Mode Output Return Loss SCC22 < − 7 + 1 . 6 × 푓 , 푓 in GHz dB 0.01 - 2.5GHz - 3 dB 2.5 - 11.1GHz Output Rise and Fall time (20% to 80%) T r , T f 24 ps Deterministic Jitter DJ out 0.38 UI Total Jitter TJ out 0.64 UI

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