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OUR OPTIONS 40G QSFP+ to 4x10G SFP+ Passive Breakout DAC For Cisco to Intel 1M 3M ITEM DESCRIPTION
40G QSFP+ to 4x10G SFP+ Passive Breakout DAC Cable
This passive breakout direct attach copper cable connects one supported 40G QSFP+ switch port to four independent 10G SFP+ ports.
Select the required cable length from the drop-down menu: 1M / 3.3FT；3M / 9.8FT
MIXED-END COMPATIBILITY CODING
This cable uses different compatibility programming at each end:
The 40G QSFP+ connector is programmed for selected Cisco switches and network equipment.
All four 10G SFP+ connectors are programmed for selected Intel network adapters and open-coded SFP+ equipment.
This is not a cable with Cisco coding on all five connectors. It is designed specifically for Cisco-side QSFP+ to Intel-side SFP+ connections.
40G TO FOUR INDEPENDENT 10G LANES
The QSFP+ connector carries four 10Gbps lanes from a supported 40G port.
Each SFP+ branch provides one independent 10Gbps connection:
1 × 40G QSFP+ male connector
4 × 10G SFP+ male connectors
Up to 40Gbps aggregate bandwidth
Up to 10Gbps per SFP+ branch
PASSIVE 30AWG COPPER DESIGN
The passive twinax copper design provides a low-latency short-distance connection without requiring optical transceivers or external power.
30AWG copper construction
Black PVC cable jacket
100-ohm nominal impedance
No optical modules required
No external power required
Suitable for switches, servers, network adapters and data-center equipment
IMPORTANT BREAKOUT REQUIREMENT
The connected QSFP+ port must support 4x10G breakout mode and must be properly configured before the cable is installed.
This cable cannot add breakout capability to an unsupported 40G port.
Each SFP+ branch operates as a separate 10Gbps lane. The cable does not perform switching, protocol conversion or link aggregation.
CHECK BEFORE ORDERING
Fit For
Selected Cisco switches with breakout-capable 40G QSFP+ ports
Selected Intel network adapters with 10G SFP+ ports
Supported open-coded 10G SFP+ network equipment
Switch-to-server and switch-to-network-adapter connections
Short-distance data-center and server-rack connections
Important Notes
The QSFP+ end uses Cisco-compatible coding, while all four SFP+ ends use Intel-compatible coding.
The connected QSFP+ port must support and be configured for 4x10G breakout mode before use.
This is a passive copper cable. It does not perform protocol conversion, switching or link aggregation.
Compatibility depends on the device model, firmware and third-party transceiver policy. Verify both connected devices before ordering.
Not Compatible With
100G QSFP28 ports
25G SFP28 ports
100G QSFP28 to 4x25G SFP28 applications
QSFP+ to QSFP+ direct connections
RJ45 Ethernet ports
QSFP+ ports without 4x10G breakout support
Equipment that blocks third-party compatible EEPROM coding
TRADEMARK NOTICE
This is a third-party compatible product. It is not manufactured, sponsored or endorsed by Cisco or Intel. All referenced brand names and part numbers are used solely to identify compatibility.
Package Includes：1 × 40G QSFP+ to 4x10G SFP+ Passive Breakout DAC Cable
SKU#：1 Meter KK.CC.556-CI-1 Net Weight： 8 oz Shipping Weight：8.3 oz
SKU#：3 Meters KK.CC.556-CI-3 Net Weight： 15 oz Shipping Weight： 15.3 oz
15 - Regional Box A
30 - Medium FR Box
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