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Dell AOC-Q28-4SFP28-25G-15M Compatible 100G QSFP28 4 x 25G NRZ to 4 x 25G SFP28 NRZ Active Optical Breakout Cable, 15m (49ft)

Dell AOC-Q28-4SFP28-25G-15M Compatible 100G QSFP28 4 x 25G NRZ to 4 x 25G SFP28 NRZ Active Optical Breakout Cable, 15m (49ft)

The HT-manufactured AOC-Q28-4SFP28-25G-15M compatible cable provides 100G connectivity for Dell equipment. This 15m (49ft) version is a factory-terminated active optical link with the optical engines and fiber integrated into the assembly, with an exact part number and length that can be matched directly to the equipment requirement.

OEM Part Number: AOC-Q28-4SFP28-25G-15MHT Part Number: AOC-Q28-4SFP28-25G-15M

Product Highlights

  • Compatible alternative to Dell AOC-Q28-4SFP28-25G-15M
  • 100G connectivity at 100Gbps
  • Interface configuration: QSFP28 to 4x SFP28
  • Fixed length and part number: 15m (49ft), AOC-Q28-4SFP28-25G-15M
  • Cable construction: Breakout AOC
  • Maximum power consumption: 2.2W (QSFP28 End)0.8W (SFP28 Per End)
  • Minimum bend radius: 30mm
  • Operating temperature: 0 to 70°C (32 to 158°F)

Specifications

HT Part NumberAOC-Q28-4SFP28-25G-15M
Dell CompatibleAOC-Q28-4SFP28-25G-15M
ManufacturerHT
Form FactorQSFP28 to 4x SFP28
Max. Data Rate100Gbps
Cable Length15m (49ft)
Cable TypeBreakout AOC
Wavelength850nm
Minimum Bend Radius30mm
Transmitter TypeVCSEL
Receiver TypePIN
Max. Power Consumption2.2W (QSFP28 End)0.8W (SFP28 Per End)
Modulation FormatQSFP28-4x 25G-NRZ SFP28-1x 25G-NRZ
CDR (Clock and Data Recovery)TX & RX Built-in CDR
Jacket MaterialOFNP
DDM/DOMSupported
Commercial Temperature Range0 to 70°C (32 to 158°F)
ProtocolsQSFP28 MSA, SFP28 MSA

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.

Network and Protocol Considerations

The intended application is determined by the host interface and protocol support. Listed interface and protocol references include QSFP28 MSA, SFP28 MSA. 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.

Integrated Optical Assembly

The optical engines and fiber are permanently integrated into this AOC. There are no detachable optical modules to clean or exchange. Handle the complete assembly by its connector housings and cable, and keep both ends matched to the same interface specification.

Length Selection and Installation Planning

The extended 15m (49ft) 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 AOC construction avoids a chain of separate modules and patch leads.

Position Within the Length Range

AOC-Q28-4SFP28-25G-15M occupies the middle of this family between AOC-Q28-4SFP28-25G-10M at 10m (33ft) and AOC-Q28-4SFP28-25G-20M at 20m (66ft). It adds 5m over the shorter option for extra routing clearance, while the next longer version adds another 5m. Measure the managed path and choose this version when its reach is sufficient without creating the slack associated with the longer assembly.

Power and Thermal Planning

The rated power consumption is 2.2W (QSFP28 End)0.8W (SFP28 Per End). 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 OFNP jacket, minimum bend radius 30mm. 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.

Dell Compatibility and Factory Testing

For this Dell application, testing combines digital identification with actual traffic-link verification and optical link operation, receive activity and diagnostic readouts. Both ends are inspected for latch, boot and connector damage. If the project uses a specific hardware revision or a channelized port, send those details so that the intended configuration can be reviewed before shipment.

Ordering Information

When ordering, specify AOC-Q28-4SFP28-25G-15M, cable length 15m (49ft) 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 Dell cable?

No. It is an HT-manufactured compatible alternative for equipment that specifies Dell AOC-Q28-4SFP28-25G-15M.

Can the cable be folded to shorten its routing path?

No. Follow the specified minimum bend radius and route the 15m (49ft) assembly without tight folds, sharp edges or excessive cable ties.

Can I use it between different speeds or interface types?

Only when both hosts explicitly support the same data rate, lane mapping and breakout configuration. Mechanical fit alone is not proof of interoperability.

What information should I provide for a compatibility check?

Provide the host manufacturer, equipment model, port type, hardware revision and software release, together with the OEM part number and required quantity.

Quality Assurance and Packaging

HT inspects and tests every completed cable before it enters finished stock. Protective caps or covers are fitted where applicable, followed by anti-static or tray packaging and an outer carton. Custom labels can cross-reference the customer part number, AOC-Q28-4SFP28-25G-15M and the 15m (49ft) length for easier inventory control.

Shipping and Lead Time

Lead time for ordinary configurations is normally one to three working days, while production quantities are confirmed with the order. We can arrange express courier or economy freight according to destination and carton volume, or hand the shipment to your appointed logistics provider.

 

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


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