Breakout Passive Copper Direct Attach Cable MSA 100G QSFP28 To 4x25G SFP28

100Gbps QSFP28 to 4x25G SFP28 Parallel Breakout DAC Twinax Cable

Description

This 100G QSFP28 to 4x25G SFP28 Direct Attach Cable Passive offers IT professionals a cost-effective interconnect solution for merging QSFP28 and 25G SFP28 enabled host adapters, switches, and servers.

This breakout cables feature eight differential copper pairs,providing four data transmission channels at speeds up to 25Gbps per channel,and meets 100G Ethernet,25G Ethernet and InfiniBand Enhanced Data Rate(EDR) requirements.Available in a broad rang of wire gages-from 26AWG through 30AWG, that provides low insertion loss and low cross talk.

It is suitable for very short distances from 0.5M to 5M ,which offers a highly cost-effective Ethernet connectivity solution for the interconnection between the devices using 100G QSFP28 ports and 25G SFP28 ports in data centers.

also known as hybrid passive copper cable or Fan-out passive copper cable, is fully compliant with IEEE 802.3bj,IEEE 802.3by, SFF-8402, and SFF-8665 standards.

Functional Specification

Ordering Information

Features

• Supporting 100 Gbps to 4 x 25 Gbps
• Support data rates : 25.78Gb/s (per channel)
• IEEE 802.3bj 100GEBASE-CR4 and P802.3by compliant
• Compatible to SFP28 MSA and QSFP28 MSA
• Compatible to SFF-8402, SFF-8432 and SFF8665
• Maximum aggregate data rate: 100 Gb/s (4 x 25Gb/s)
• High-Density QSFP28 38-PIN and 4x SFP28 20-PIN Connector
• Operating Temperature Range: 0~ 70 ℃
• Up to 5m transmission
• Single 3.3V power supply
• Low crosstalk
• I2C based two-wire serial interface for EEPROM signature which can be customized
• Operating Temperature: 0~ 70 ℃
• Reduced power budget and lower port cost compared to QSFP28 optics and AOC
• RoHS Compliant and Lead-Free

Application

• Switches, servers, and routers
• Data Center networks
• Storage area networks
• High-performance computing
• Telecommunication and network infrastructure
• Fibre Channel over Ethernet

High Speed Characteristics

Notes:

• Reflection Coefficient given by equation SDD11(d B) < 16.5 - 2 × SQRT(f ), with finGHz.
• Reflection Coefficient given by equation SDD11(dB) < 10.66 - 14 × log10(f/5.5), with finGHz.
• Reflection Coefficient given by equation SCD11(d B) < 22 - (20/25.78)*f, with finGHz.
• Reflection Coefficient given by equation SCD11(dB) < 15 - (6/25.78)*f, with finGHz.
• Reflection Coefficient given by equation SCD21(dB) < 27 - (29/22)*f, with finGHz.

Compatibility

All of Gigaopto's 100GBASE QSFP28 to 4x25G SFP28 Parallel Breakout DAC are open sourced,can be coded to be fully compatible with mainstream devices, please refer to the following form(Fox example in 2M length), for more products compatibility, please feel free to contact us.

Mechanical Dimensions of 100G QSFP28 TO 4SFP28 Direct Attach Cable