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100G DAC QSFP28to 4*25G SFP28

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100G Base QSFP28 QSFP28 to 4*25G SFP28 Breakout Passive Direct Attach Cable

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2. All contents are Co pyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 2 of 7 Document Number: 95 - 0296 - V1.0 100Gb/S QSFP28 to 4xSFP28 Direct Attach Cable WS - Q84S - DACPx - x

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 7 QSFP 28 Module Pad Assignments and Descriptions Features: ◼ Compliant with IEEE 802.3bj ◼ Compliant with QSFP28 MSA and SFP28 MSA ◼ Compliant with SFF - 8436 / SFF - 8431 / SFF - 8074i ◼ Hot plug swappable ◼ Single 3.3V power supply ◼ 0°C to 70°C case temperature operating range ◼ I 2 C management interface Applications: ◼ Switches, Routers, and HBA ◼ Data Center ◼ Fiber Channel ◼ 25G/100G Gigabit Ethernet

4. All contents are Co pyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 4 of 7 Document Number: 95 - 0296 - V1.0 100Gb/S QSFP28 to 4xSFP28 Direct Attach Cable WS - Q84S - DACPx - x 30 Vcc1 +3.3V Power supply 31 LVTTL - I LPMode Low Power Mode 32 GND Ground 33 CML - I Tx3p Transmitter Non - Inverted Data Inp ut 34 CML - I Tx3n Transmitter Inverted Data Input 35 GND Ground 36 CML - I Tx1p Transmitter Non - Inverted Data Input 37 CML - I Tx1n Transmitter Inverted Data Input 38 GND Ground SFP28 Module Pad Assignments and Descriptions

7. Page 7 of 7 Document Number: 95 - 0296 - V1.0 100Gb/S QSFP28 to 4xSFP28 Direct Attach Cable WS - Q84S - DACPx - x Modification History Revision Date Description Originator Review Approved V 1 .0 17 - Dec - 20 1 9 New Issue Ivy Chen Tom Tang Tom Ta ng All specification data are accurate on the date of publication for product comparisons and o rdering 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

6. All contents are Co pyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 6 of 7 Document Number: 95 - 0296 - V1.0 100Gb/S QSFP28 to 4xSFP28 Direct Attach Cable WS - Q84S - DACPx - x Mechanical Drawing U nit: mm Ordering Information Part No Specification Package Data rate T emp. Gauge Length* Application WS - Q84S - DACP 0 - 1 Pa ssive Q SFP 28 to SFP28 10 0G 4x25 Gbps 0~70°C 30 AWG 1 m 25G/100G Gigabit Ethernet WS - Q84S - DACP 0 - 2 Pa ssive Q SFP 28 to SFP28 10 0G 4x25 Gbps 0~70°C 30 AWG 2 m 25G/100G Gigabit Ethernet WS - Q84S - DACP 0 - 3 Pa ssive Q SFP 28 to SFP28 10 0G 4x25 Gbps 0~70°C 30 AWG 3 m 25G/100G Gigabit Ethernet WS - Q84S - DACP 6 - 5 Pa ssive Q SFP 28 to SFP28 10 0G 4x25 Gbps 0~70°C 26 AWG 5 m 25G/100G Gigabit Ethernet * P lease contact our sales for m ore information

5. All contents are Co pyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 5 of 7 Document Number: 95 - 0296 - V1.0 100Gb/S QSFP28 to 4xSFP28 Direct Attach Cable WS - Q84S - DACPx - x PIN Logic Symbol Name / Description Note 1 VeeT Module Transmitter Ground 1 2 LVTTL - O TX_Fault Module Transmitter Fault 3 LVTTL - I TX_Dis Transmitter Disable; Turns off transmitter laser output 4 LVTTL - I /O S DA 2 - Wire Serial Interface Data Line 2 5 LVTTL - I S CL 2 - Wire Serial Interface Clock 2 6 MOD_DEF0 Module Definition, Grounded in the module 7 LVTTL - I RS0 N/A 8 LVTTL - O RX_LOS Receiver Loss of Signal Indication Active LOW 9 LVTTL - I RS1 N/A 10 VeeR Module Receiver Ground 1 11 VeeR Module Receiver Ground 1 12 CML - O RD - Receiver Inverted Data Output 13 CML - O RD+ Receiver Data Output 14 VeeR Module Receiver Ground 1 15 VccR Module Receiver 3.3 V Supply 16 VccT Module Transmitter 3.3 V Supply 17 VeeT Module Transmitter Ground 1 18 CML - I TD + Transmitter Non - Inverted Data Input 19 CML - I TD - Transmitter Inverted Data Input 20 VeeT Module Transmitter Ground 1

3. All contents are Co pyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 3 of 7 Document Number: 95 - 0296 - V1.0 100Gb/S QSFP28 to 4xSFP28 Direct Attach Cable WS - Q84S - DACPx - x Pin Logic Symbol Description Notes 1 GND Ground 2 CML - I Tx2n Transmitter Inverted Data Input 3 CML - I Tx2p Transmitter Non - Inverted Data Input 4 GND Ground 5 CML - I Tx4n Transm itter Inverted Data Input 6 CML - I Tx4p Transmitter Non - Inverted Data Input 7 GND Ground 8 LVTTL - I ModSelL Module Select 9 LVTTL - I ResetL Module Reset 10 Vcc Rx +3.3V Power Supply Receiver 11 LVCMOS - I/O SCL 2 - wire serial interface clock 12 L VCMOS - I/O SDA 2 - wire serial interface data 13 GND Ground 14 CML - O Rx3p Receiver Non - Inverted Data Output 15 CML - O Rx3n Receiver Inverted Data Output 16 GND Ground 17 CML - O Rx1p Receiver Non - Inverted Data Output 18 CML - O Rx1n Receiver Inverted Data Output 19 GND Ground 20 GND Ground 21 CML - O Rx2n Receiver Inverted Data Output 22 CML - O Rx2p Receiver Non - Inverted Data Output 23 GND Ground 24 CML - O Rx4n Receiver Inverted Data Output 25 CML - O Rx4p Receiver Non - Inverted Data Output 26 GND Ground 27 LVTTL - O ModPrsL Module Present 28 LVTTL - O IntL Interrupt 29 Vcc Tx +3.3V Power supply transmitter

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