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QSFP28 to 4x SFP28-100G-DAC-9M29FT 100G QSFP28 4 x 25G NRZ to 4 x 25G SFP28 NRZ Active Copper Breakout Cable, 9m (29ft)

QSFP28 to 4x SFP28-100G-DAC-9M29FT 100G QSFP28 4 x 25G NRZ to 4 x 25G SFP28 NRZ Active Copper Breakout Cable, 9m (29ft)

The HT-manufactured QSFP28 to 4x SFP28-100G-DAC-9M29FT compatible cable provides 100G connectivity for multi-vendor equipment. This 9m (29ft) version is a factory-terminated passive copper link without separate optical modules or patch cords, with an exact part number and length that can be matched directly to the equipment requirement.

OEM Part Number: QSFP28 to 4x SFP28-100G-DAC-9M29FTHT Part Number: QSFP28 to 4x SFP28-100G-DAC-9M29FT

Product Highlights

  • HT-manufactured DAC assembly in 9m (29ft)
  • 100G connectivity at 100Gbps
  • Interface configuration: QSFP28 to 4x SFP28
  • Fixed length and part number: 9m (29ft), QSFP28 to 4x SFP28-100G-DAC-9M29FT
  • Cable construction: Active Breakout DAC
  • Conductor specification: 26AWG
  • Maximum power consumption: 1.8W
  • Minimum bend radius: 44.5mm

Specifications

HT Part NumberQSFP28 to 4x SFP28-100G-DAC-9M29FT
ManufacturerHT
Form FactorQSFP28 to 4x SFP28
Max. Data Rate100Gbps
MediaCopper
Cable TypeActive Breakout DAC
Cable Length9m (29ft)
Jacket MaterialPVC (OFNR)
Minimum Bend Radius44.5mm
Wire AWG26AWG
Max. Power Consumption1.8W
Modulation FormatQSFP28-4x 25G-NRZ SFP28-1x 25G-NRZ
Commercial Temperature Range0 to 70°C (32 to 158°F)
Application100G/25G Ethernet
ProtocolsQSFP28 MSA, SFP28 MSA, SFF-8665, SFF-8679, SFF-8472, SFF-8402

Signal and Lane Configuration

The listed modulation format is QSFP28-4x 25G-NRZ SFP28-1x 25G-NRZ. Both host interfaces must be configured for the same aggregate rate and lane arrangement. A connector that fits mechanically does not by itself guarantee that the remote port supports this encoding or breakout mode.

Length Selection and Installation Planning

The extended 9m (29ft) reach supports connections across adjacent racks or between separated equipment rows. Secure the cable along its route, protect both ends from pull loads and preserve ventilation. The integrated DAC construction avoids a chain of separate modules and patch leads.

Position Within the Length Range

QSFP28 to 4x SFP28-100G-DAC-9M29FT is the longest of 5 verified length options in this family. Compared with QSFP28 to 4x SFP28-100G-DAC-7M23FT at 7m (23ft), it provides 2m of additional reach for a longer vertical drop, a wider rack or an adjacent-cabinet route. Confirm that the complete path requires this length, because unused slack still needs supported, bend-safe storage.

Power and Thermal Planning

The rated power consumption is 1.8W. Include this load in the host-port power and thermal budget, especially in densely populated switches. Maintain front-panel clearance and do not bundle the cable so tightly that it obstructs airflow around the connectors.

Cable Construction and Routing

This assembly uses 26AWG conductors, PVC (OFNR) jacket, minimum bend radius 44.5mm. These mechanical characteristics affect how the cable should be dressed behind the equipment. Avoid sharp edges, excessive ties and repeated tight bends close to the connector boots.

Network and Protocol Considerations

The intended application is 100G/25G Ethernet. Listed interface and protocol references include QSFP28 MSA, SFP28 MSA, SFF-8665, SFF-8679, SFF-8472, SFF-8402. Confirm that the host firmware and port configuration support the same operating mode.

Breakout Port Mapping

The QSFP28 to 4x SFP28 configuration divides the high-speed interface into multiple lower-speed connections. Verify the upstream lane assignment, downstream port speeds and breakout setting on the host before connecting the assembly. Each branch must attach to the correct remote interface.

Passive Copper Operation

A passive DAC has no separate optical conversion stage. Its low-power, low-latency operation is useful for short equipment links, but the assembly must remain within the length and signaling mode accepted by both hosts.

Generic Compatibility and Factory Testing

Each QSFP28 to 4x SFP28-100G-DAC-9M29FT compatible cable is powered up on a suitable test interface rather than checked only for continuity. We confirm the expected identification and observe electrical continuity, link stability and diagnostic readouts. Because operating systems can apply different qualification rules by hardware revision, the intended Generic platform should be included with the order.

Ordering Information

When ordering, specify QSFP28 to 4x SFP28-100G-DAC-9M29FT, cable length 9m (29ft) and the host platform. This allows our team to verify both the physical assembly and the compatibility requirement before production. Neutral labeling and customer packing lists can be arranged for volume orders.

Frequently Asked Questions

Is this an original equipment manufacturer cable?

No. It is manufactured by HT under our own manufacturer identity.

Does this page include more than one cable length?

No. This page is dedicated to 9m (29ft) and part number QSFP28 to 4x SFP28-100G-DAC-9M29FT. Other lengths have their own part numbers and product pages.

Are separate optical modules required?

No. The connectors and cable form one complete direct-attach assembly. Do not attempt to detach or replace either end.

Can the cable be folded to shorten its routing path?

No. Follow the specified minimum bend radius and route the 9m (29ft) assembly without tight folds, sharp edges or excessive cable ties.

Quality Assurance and Packaging

Quality control includes connector appearance, cable identification and functional verification. Packing materials are selected to keep the connector housings and cable boots from taking impact during transport, and the coil is not compressed into an undersized bundle. Volume orders can include customer-specific labels and packing documentation.

Shipping and Lead Time

Standard configurations normally ship within one to three working days. Worldwide courier, air freight and sea freight options are available, and shipments can also be sent on your own courier account or delivered to an appointed forwarder.

 

Get a quick quote

Please write to sales@huihongfiber.com, we will reply as soon as possible.


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