You are here Transceivers QSFP-DD to 4x QSFP56-400G-AOC-10M33FT

QSFP-DD to 4x QSFP56-400G-AOC-10M33FT 400G QSFP-DD 8 x 50G PAM4 to 4 x 100G QSFP56 2 x 50G PAM4 Active Optical Breakout Cable, 10m (33ft)

QSFP-DD to 4x QSFP56-400G-AOC-10M33FT 400G QSFP-DD 8 x 50G PAM4 to 4 x 100G QSFP56 2 x 50G PAM4 Active Optical Breakout Cable, 10m (33ft)

This page covers one precise cable-schedule item: Generic QSFP-DD to 4x QSFP56-400G-AOC-10M33FT in 10m (33ft), supporting 400G operation through QSFP-DD to 4x QSFP56. The complete AOC assembly is identified separately from other lengths and includes verified specifications, change-control-friendly ordering details and live-link factory checks.

OEM Part Number: QSFP-DD to 4x QSFP56-400G-AOC-10M33FTHT Part Number: QSFP-DD to 4x QSFP56-400G-AOC-10M33FT

Product Highlights

  • HT-manufactured AOC assembly in 10m (33ft)
  • 400G connectivity at 400Gbps
  • Interface configuration: QSFP-DD to 4x QSFP56
  • Fixed length and part number: 10m (33ft), QSFP-DD to 4x QSFP56-400G-AOC-10M33FT
  • Cable construction: OM3
  • Maximum power consumption: 12W (QSFP-DD End)3.5W (QSFP56 Per End)
  • Minimum bend radius: 30mm
  • Operating temperature: 0 to 70°C (32 to 158°F)

Specifications

HT Part NumberQSFP-DD to 4x QSFP56-400G-AOC-10M33FT
ManufacturerHT
Form FactorQSFP-DD to 4x QSFP56
Max. Data Rate400Gbps
Cable Length10m (33ft)
Cable TypeOM3
Wavelength850nm
Minimum Bend Radius30mm
Transmitter TypeVSCEL
Receiver TypePIN
Max. Power Consumption12W (QSFP-DD End)3.5W (QSFP56 Per End)
Jacket MaterialOFNP
CDR (Clock and Data Recovery)TX & RX Built-in CDR
Modulation FormatQSFP-DD-8x 50G-PAM4QSFP56-2x 50G-PAM4
DDM/DOMSupported
Commercial Temperature Range0 to 70°C (32 to 158°F)
ProtocolsIEEE 802.3cd, OIF-CEI-04.0, QSFP-DD MSA, QSFP-DD-CMIS-Rev4.0, SFF-8024, IEEE 802.3bs Annex120E
Inbuilt FECYes
Application400G Ethernet

Signal and Lane Configuration

The listed modulation format is QSFP-DD-8x 50G-PAM4QSFP56-2x 50G-PAM4. 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 400G Ethernet. Listed interface and protocol references include IEEE 802.3cd, OIF-CEI-04.0, QSFP-DD MSA, QSFP-DD-CMIS-Rev4.0, SFF-8024, IEEE 802.3bs Annex120E. Confirm that the host firmware and port configuration support the same operating mode.

Breakout Port Mapping

The QSFP-DD to 4x QSFP56 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

At 10m (33ft), QSFP-DD to 4x QSFP56-400G-AOC-10M33FT should be planned as an extended equipment-room connection rather than a short in-rack jumper. Mark the complete vertical and horizontal route before installation, including every manager the cable will actually pass through. Support the integrated optical cable and both optical engines along that path and keep both ends free from pull loads. Within this family, QSFP-DD to 4x QSFP56-400G-AOC-7M23FT is shorter at 7m (23ft), while QSFP-DD to 4x QSFP56-400G-AOC-15M49FT is the next longer choice at 15m (49ft); comparing those two boundaries helps avoid both tension and unnecessary slack.

Position Within the Length Range

QSFP-DD to 4x QSFP56-400G-AOC-10M33FT occupies the middle of this family between QSFP-DD to 4x QSFP56-400G-AOC-7M23FT at 7m (23ft) and QSFP-DD to 4x QSFP56-400G-AOC-15M49FT at 15m (49ft). It adds 3m 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.

Structured Pathways and Serviceability

Treat the direct-attach assembly as part of the permanent pathway plan even when the link is expected to be temporary. Follow the intended horizontal and vertical managers, maintain the specified bend radius and leave service access around both ports. A small, supported service allowance is preferable to excess slack concealed inside a rack or placed under cable-tie pressure. For this assembly, the minimum bend radius is 30mm; the stated power consumption is 12W (QSFP-DD End)3.5W (QSFP56 Per End); the jacket material is OFNP.

Power and Thermal Planning

The rated power consumption is 12W (QSFP-DD End)3.5W (QSFP56 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.

Ordering Information

Include the part number, fixed length, quantity and required pathway or rack grouping in the order information. The host model and firmware release are useful for change-controlled deployments. Different lengths should remain separate order lines so delivered labels and packing records agree with the pathway plan. Keep QSFP-DD to 4x QSFP56-400G-AOC-10M33FT associated with 10m (33ft) throughout the order and receiving record.

Generic Compatibility and Factory Testing

Verification covers the physical connectors, expected host identity and an operating link with available diagnostic indications. We distinguish this complete check from a simple continuity test. Platform model and software release can be reviewed in advance where the installation has strict documentation or change-control requirements. Where supported by the host, receive activity and diagnostic indications are reviewed together with the established link.

Shipping and Lead Time

Available stock is generally dispatched within one to three working days after order confirmation, with production lead times advised for larger quantities. Delivery can be arranged by courier, air freight or sea freight, and goods may instead be handed to an appointed forwarder or shipped on the customer’s courier account.

Quality Assurance and Packaging

After connector inspection and link verification, the assembly is coiled without tight bends and packed with end protection. Labels can cross-reference the customer cable schedule, OEM part number and length. This supports both receiving checks and later moves, adds or changes. Standard protective packing is used by default, with project documentation arranged when requested.

Frequently Asked Questions

Is this an original equipment manufacturer cable?

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

Can excess cable be folded into a compact bundle?

No. Use a supported, bend-safe service loop and observe the listed minimum bend radius. Do not crease the cable or tighten ties around the connector boots.

Will any matching connector operate at the same speed?

Not necessarily. Both hosts must support the stated rate, identification, lane mapping and any required breakout configuration; mechanical compatibility alone is insufficient.

What details assist a compatibility review?

Provide the equipment manufacturer, model, port type, hardware revision and software release, together with the OEM reference, required length and quantity.

New Zealand Fiber Optics

New Zealand Fiber Optics

New Zealand Service center: New Zealand 0632, Auckland.

Factory in Asia: Shangxue Industrial Area, Shenzhen

Product Datasheets

For PDF documents of products data sheet or any general inquiry, email info@huihongfiber.com and we will send you the details.

Customer Support

For customer support, please email sales@huihongfiber.com; our Auckland service team will respond promptly.