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100G DAC

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100G Base QSFP28 Passive Direct Attach Cable

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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 4 QSFP28 Module Pad Assignments and Descriptions Features: ◼ Compliant with IEEE 802.3bj ◼ Compliant with SFF - 8436/SFF - 8679/SFF8074i ◼ 4 independent full - duplex channels ◼ Up to 25.78125 Gbps data rate per channel ◼ Four independent full - duplex channels ◼ Single 3.3V power supply ◼ 0°C to 70°C case temperature operating range ◼ I 2 C management interface

3. All contents are Copyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 3 of 4 Document Number: 95 - 0246 - V1.0 100Gb/S QSFP28 Direct Attach Cable WS - QS28 - DACPx - x 29 Vcc Tx +3.3V Power supply transmitter 30 Vcc1 +3.3V Power supply 31 LVTTL - I LPMode Low Power Mode 32 GND Ground 33 CML - I Tx3p Transmitter Non - Inverted Data Input 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 Mechanical Design Diagram Unit: mm

4. Page 4 of 4 Document Number: 95 - 0246 - V1.0 100Gb/S QSFP28 Direct Attach Cable WS - QS28 - DACPx - x Ordering Information Part No Specification Package Data rate per Lane Temp. Gauge Length * Application WS - QS28 - DACP 0 - H QSFP28 Passive 25.78125 Gbps 0~70 o C 30AWG 0.5 m 100G Ethernet WS - QS28 - DACP0 - 1 QSFP28 Passive 25.78125 Gbps 0~70 o C 30AWG 1m 100G Ethernet WS - QS28 - DACP0 - 2 QSFP28 Passive 25.78125 Gbps 0~70 o C 30AWG 2m 100G Ethernet WS - QS28 - DACP 0 - 3 QSFP28 Passive 25.78125 Gbps 0~70 o C 30AWG 3m 100G Ethernet WS - QS28 - DACP6 - 5 QSFP28 Passive 25.78125 Gbps 0~70 o C 26AWG 5m 100G Ethernet * Please contact our sales for customized length that is not listed in the above table. Modification History Revision Date Description Originator Review Approved V 1 18 - Sep - 20 1 7 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 5F, 7th Building, Tian'an Industrial Zone, NanShan Area, ShenZhen China Tel: +86 - 755 - 86265980; Fax: +86 - 755 - 26642741

2. All contents are Copyright © 1996 - 20 1 9 Wavesplitter Technologies, Inc. All rights reserved. Preliminary and Proprietary www.wavesplitter.com Page 2 of 4 Document Number: 95 - 0246 - V1.0 100Gb/S QSFP28 Direct Attach Cable WS - QS28 - 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 Transmitter 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 LVCMOS - 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

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