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1000Base SFP MM 2km

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1000Base MM 2km SFP Transceiver Modules (DDM version)

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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 - 0298 - V1.0 1.25Gb/s SFP Multi - Mode Dual Fiber 2km Transceiver WST - S3MC x S - 401D Mechanical Drawing Unit: mm

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 - 0298 - V1.0 1.25Gb/s SFP Multi - Mode Dual Fiber 2km Transceiver WST - S3MC x S - 401D Recommended Host Board Supply Filtering Network Example SFP Host Board Schematic

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 1.25Gb/s SFP Multi - Mode Dual Fiber 2km Transceiver P/N: WST - S3MC x S - 401D Description The products are compliant with the Small Form - Factor Pluggable (SFP) Multi - Source Agreement (MSA) and SFF - 8472. The Digital Diagnostic Monitoring functions as described in SFF - 8472 are provided via an I 2 C serial interface. The transceiver block diagram is shown as below Fig 1. Fig 1 Transceiver Block Diagram Features: ◼ LC SFP Multi - Mode Transceiver ◼ Compliant with SFP MSA and SFF - 8472 with LC receptacle ◼ Hot - pluggable ◼ Single +3.3 Power Supply ◼ Complies with Telcordia (Bellcore) GR - 468 - CORE ◼ Typical data rate 1.25Gbps ◼ Maximal reach 2km ◼ RoHS compliance Applications: ◼ Gigabit Ethernet ◼ Fiber Channel ◼ Routers, Hubs or Repeaters ◼

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 - 0298 - V1.0 1.25Gb/s SFP Multi - Mode Dual Fiber 2km Transceiver WST - S3MC x S - 401D Notes: 1. TX Fault is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor on the host board. Pull up voltage between 2.0V and VccT, R+0.3V. When high, output indicates a laser fault of some kind. Low indicates normal operation. In the low state, the output will be pulled to < 0.8V. 2. TX disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module with a 4.7 – 10 KΩ resistor. Its states are: Low (0 – 0.8V): Transmitter on (>0.8, < 2.0V): Un defined High (2.0 – 3.465V): Transmitter Disabled Open: Transmitter Disabled 3. Mod - Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7K – 10KΩ resistor on the host board. The pull - up voltage shall be VccT or VccR. Mod - Def 0 is grounded by the module to indicate that the module is present Mod - Def 1 is the clock line of two wire serial interface for serial ID Mod - Def 2 is the data line of two wire serial interface for serial ID 4. LOS (Loss of Signal) is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor. Pull up voltage between 2.0V and VccT, R+0.3V. When high, this output indicates the received optical power is below the worst - case receiver sensitivity (as defined by the standard in use). Low indicates normal operation. In the low state, the output will be pulled to < 0.8V. 5. VeeR and VeeT may be internally connected within the SFP module. 6. RD - /+: These are the differential receiver outputs. They are AC coupled 100Ω differential lines which should be terminated with 100Ω (differential) at the user SERDES. The AC coupling is done inside the module and is thus not required on the host board. 7. VccR and VccT are the receiver and transmitter power supplies. They are defined as 3.3V ± 5% at the SFP connector pin. Maximum supply current is 300mA. Recommended host board power supply filtering is shown below. Inductors with DC resistance of less than 1Ω should be us ed in order to maintain the required voltage at the SFP input pin with 3.3V supply voltage. When the recommended supply filtering network is used, hot plugging of the SFP transceiver module will result in an inrush current of no more than 30 mA greater tha n the steady state value. VccR and VccT may be internally connected within the SFP transceiver module. 8. TD - /+: These are the differential transmitter inputs. They are AC - coupled, differential lines with 100Ω differential termination inside the module. The A C coupling is done inside the module and is thus not required on the host board.

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 - 0298 - V1.0 1.25Gb/s SFP Multi - Mode Dual Fiber 2km Transceiver WST - S3MC x S - 401D The module provides digital diagnostic informa tion of its operating conditions and status, including transmitting power, laser bias, receiver input optical power, module temperature, and supply voltage. Calibration and alarm/warning threshold data are written and stored in internal memory (EEPROM). Th e memory map is compatible with SFF - 8472, as shown in Fig. 2. The diagnostic data are raw A/D values and must be converted to real world units using calibration constants stored in EEPROM locations 56 – 95 in A2h. Fig 2 EEPROM Information Abs o lute Maximum Ratings Parameter Symbol Min. Max. Unit Note Storage Temperature Tst - 40 +85 °C Operating Case Temperature Tc 0 70 °C WST - S3MCCS - 401D - 40 85 °C WST - S3MCIS - 401D Input Voltage - GND Vcc V Power Supply Voltage Vcc - Vee - 0.5 +3.6 V Re co mmended O perating Co nditi o ns Parameter Symbol Min. Typical Max. Unit Note Power Supply Voltage Vcc 3.135 3.3 3.465 V - Operating Case Temperature Tc 0 - 70 °C WST - S3MCCS - 401D - 40 - 85 °C WST - S3MCIS - 401D Data Rate DR - 1.25 - Gbps - Total Supply Current - - - 300 mA -

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 - 0298 - V1.0 1.25Gb/s SFP Multi - Mode Dual Fiber 2km Transceiver WST - S3MC x S - 401D Pin Assignment Pin No. Name Function Plug Seq. Notes 1 VeeT Transmitter Ground 1 2 Tx Fault Transmitter Fault Indication 3 1 3 Tx Disable Transmitter Disable 3 2 4 MOD - DEF2 Module Definition 2 3 3 5 MOD - DEF1 Module Definition 1 3 3 6 MOD - DEF0 Module Definition 0 3 3 7 Rate Select NC 3 8 LOS Los Of Signal 3 4 9 VeeR Receiver Ground 1 5 10 VeeR Receiver Ground 1 5 11 VeeR Receiver Ground 1 5 12 RD - Inv. Receiver Data Out 3 6 13 RD+ Receiver Data Out 3 6 14 VeeR Receiver Ground 1 5 15 VccR Receiver Power Supply 2 7, 3.3V ± 5% 16 VccT Transmitter Power Supply 2 7, 3.3V ± 5% 17 VeeT Transmitter Ground 1 5 18 TD+ Transmitter Data In 3 8 19 TD - Inv.Transmitter Data In 3 8 20 VeeT Transmitter Ground 1 5

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 - 0298 - V1.0 1.25Gb/s SFP Multi - Mode Dual Fiber 2km Transceiver WST - S3MC x S - 401D 84 - 91 8 Vendor date YY MM DD LL YY: Year; MM: Month DD: Date; LL: Lot 92 1 DDM Type 00/58 No DDM/External Calibrated 93 1 Enhanced Option B0 LOS, TX_FAULT and Alarm/warning flags implemented 94 1 SFF - 8472 Compliance 02 SFF - 8472 Rev10.3 95 1 CC EXT - Check sum of bytes 64 - 94 96 - 255 160 Vendor spec Alarm and Warning Thresholds (Serial ID A2H) Parameter(Unit) C Temp ( °C ) I Temp ( °C ) Voltage (V) Bias (mA) TX Power (dBm) RX Power (dBm) High Alarm 100 100 3.6 90 - 3 - 3 Low Alarm - 10 - 40 3 0 - 9 - 21 High Warning 95 95 3.5 70 - 4 - 4 Low Warning 0 - 30 3.1 0 - 8 - 20 Digital Diagnostic Monitor Accuracy Parameter Unit Accuracy Range Calibration Tx Optical Power dB ±3 Po: - Pomin~Pomax dBm, Recommended operation conditions External/Internal Rx Optical Power dB ±3 Pi: Ps~Pr dBm, Recommended operation conditions External/Internal Bias Current % ±10 Id: 1 - 100mA, Recommended operating conditions External/Internal Power Supply Voltage % ±3 Recommended operating conditions External/Internal Internal Temperature °C ±3 Recommended operating conditions External/Internal

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 - 0298 - V1.0 1.25Gb/s SFP Multi - Mode Dual Fiber 2km Transceiver WST - S3MC x S - 401D E lectrical - Optical C haracteristics Transmitter Parameter Symbol Min. Typ. Max. Unit Note Optical Central Wavelength λ 1260 1310 1360 nm Optical Spectral Width (RMS)   4 nm Average Optical Output Power Po - 9 - - 3 dBm Extinction Ratio Er 8.2 dB Differential Input Voltage VPP - DIF 500 - 2400 mV - Optical Rise / Fall Time Tr/Tf 260 ps - Output Eye IEEE802.3ah - 2004 Compliant Optical - Electrical Characteristics Receiver Parameter Symbol Min. Typ. Max. Unit Note Operate Wavelength - 1260 - 1600 nm - Sensitivity Pr - - - 21 dBm 1 Saturation Ps - 3 - - dBm LOS De - assert Level - 22 dBm LOS Assert Level - 45 dBm LOS Hysteresis - 0.5 - dB - Diffrential Data Output Voltage VPP - DIF 370 - 2000 mV - LOS Output Voltage - Low VOL - - 0.8 V LOS Output Voltage - High VOH 2.0 - - V Note: 1. Minimum average optical power measured at BER less than 1E - 12, with a 27 - 1 PRBS and ER=9 Db

10. Page 10 of 10 Document Number: 95 - 0298 - V1.0 1.25Gb/s SFP Multi - Mode Dual Fiber 2km Transceiver WST - S3MC x S - 401D Ordering Information Part No Specification Package Data rate per Lane Laser Optical Power Detector Max. Receive Sensitivity (OMA) Temp Reach Other Application code WST - S3MCCS - 401D SFP 1.25 Gb p s each Channel 1310nm - 9 ~ - 3 each Channel PIN - 21 dBm each Channel 0~ 70 °C 2 k m DDM Gigabit Ethernet WST - S 3MCI S - 401D SFP 1.25 Gb p s each Channel 1310nm - 9 ~ - 3 each Channel PIN - 21 dBm each Channel - 40 ~ 85 ° C 2 k m No DDM Gigabit Ethernet Modification History Revision Date Description Originator Review Approved V 1 .0 30 - Oct - 20 1 9 New Issue 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 610#, 6F, No.204 Building, 2nd Industrial zone Nanyou, Nanshan district, Shenzhen, Guangdong China 518054 Tel: +86 - 755 - 86265980 Fax: +86 - 755 - 26642741

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 - 0298 - V1.0 1.25Gb/s SFP Multi - Mode Dual Fiber 2km Transceiver WST - S3MC x S - 401D EEPROM Serial ID Memory Contents Addr. (decimal) Field Size (Bytes) Name of Field Content (Hex) Description 0 1 Identifier 03 SFP 1 1 Ext. Identifier 04 MOD4 2 1 Connector 07 LC 3 - 10 8 Transceiver xx xx xx xx xx xx xx xx Transceiver code 11 1 Encoding 01 8B10B 12 1 BR, nominal 0D 1.25Gbps 13 1 Reserved 00 - 14 1 Length (9um) - km 00 Transceiver transmit 15 1 Length (9um) 00 distance 16 1 Length (50um) C8 17 1 Length (62.5um) C8 18 1 Length (copper) 00 Not compliant 19 1 Reserved 00 - 20 - 35 16 Vendor name 57 41 56 45 53 50 4C 49 54 54 45 52 20 20 20 20 WAVESPLITTER 36 1 Reserved 00 - 37 - 39 3 Vendor OUI 00 0F 0E - 40 - 55 16 Vendor PN 5 7 53 54 2 D 53 33 4 D 43 xx 53 2D 34 30 31 44 20 ‘ WST - S3MCxS - 401D ’ (ASCII) 56 - 59 4 Vendor rev 30 30 30 31 “000 1 ” (ASCII) 60 - 61 2 Wavelength 05 1E 1310nm 62 1 Reserved 00 - 63 1 CC BASE - Check sum of bytes 0 - 62 64 1 Reserved 00 65 1 Options 1A 66 1 BR, max 00 - 67 1 BR, min 00 - 68 - 83 16 Vendor SN 43 31 YY MM 47 39 30 30 30 31 20 20 20 20 20 20 “ C1YMG90001 ” ( ASCII )

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