QSFP-DD to 8x 50G SFP56-400G-AOC-70M230FT 400G QSFP-DD 8 x 50G PAM4 to 8 x 50G SFP56 25G NRZ Active Optical Breakout Cable, 70m (230ft)
For a direct equipment connection requiring Generic QSFP-DD to 8x 50G SFP56-400G-AOC-70M230FT, this page supplies the 70m (230ft) version with QSFP-DD to 8x 50G SFP56. The cable supports 400G operation and eliminates a separate module-and-patch-cord assembly. Installation, maintenance and spare-cable identification are addressed alongside the full technical details.
OEM Part Number: QSFP-DD to 8x 50G SFP56-400G-AOC-70M230FTHT Part Number: QSFP-DD to 8x 50G SFP56-400G-AOC-70M230FT
Product Highlights
- HT-manufactured AOC assembly in 70m (230ft)
- 400G connectivity at 425Gbps (8x 53.125GGbps)
- Interface configuration: QSFP-DD to 8x 50G SFP56
- Fixed length and part number: 70m (230ft), QSFP-DD to 8x 50G SFP56-400G-AOC-70M230FT
- Cable construction: OM3
- Maximum power consumption: 10W (QSFP-DD End) 3W (SFP56 Per End)
- Minimum bend radius: 30mm
Specifications
| HT Part Number | QSFP-DD to 8x 50G SFP56-400G-AOC-70M230FT |
|---|---|
| Manufacturer | HT |
| Form Factor | QSFP-DD to 8x 50G SFP56 |
| Max. Data Rate | 425Gbps (8x 53.125GGbps) |
| Cable Length | 70m |
| Cable Type | OM3 |
| Minimum Bend Radius | 30mm |
| Max. Power Consumption | 10W (QSFP-DD End) 3W (SFP56 Per End) |
| Transmitter Type | VSCEL |
| Receiver Type | PIN |
| Modulation Format | PAM4 |
| Wavelength | 850nm |
| Jacket Material | OFNP |
| BER | 2.4E-4 |
| Inbuilt FEC | No |
| Operating Temperature Range | 0 to 70°C (32 to 158°F) |
| Protocols | QSFP-DD MSA, SFP56 MSA, IEEE 802.3cd |
Signal and Lane Configuration
The listed modulation format is 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.
Position Within the Length Range
QSFP-DD to 8x 50G SFP56-400G-AOC-70M230FT is the longest of 12 verified length options in this family. Compared with QSFP-DD to 8x 50G SFP56-400G-AOC-50M164FT at 50m (164ft), it provides 20m 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.
Field Installation and Maintenance
Inspect the route and both connectors before installation, then support the cable without pulling on either connector housing. During maintenance, release the latch properly rather than using the cable as a handle. Keep protection on unused ends, and if the assembly is removed for later use, coil it loosely and record its part number so the same length can be returned to service. For this assembly, the minimum bend radius is 30mm; the stated power consumption is 10W (QSFP-DD End) 3W (SFP56 Per End); the jacket material is OFNP.
Power and Thermal Planning
The rated power consumption is 10W (QSFP-DD End) 3W (SFP56 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.
Network and Protocol Considerations
The intended application is determined by the host interface and protocol support. Listed interface and protocol references include QSFP-DD MSA, SFP56 MSA, IEEE 802.3cd. Confirm that the host firmware and port configuration support the same operating mode.
Breakout Port Mapping
The QSFP-DD to 8x 50G SFP56 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
Extended reach changes the installation checks for QSFP-DD to 8x 50G SFP56-400G-AOC-70M230FT. Confirm that 70m (230ft) follows the intended route without tension, then verify that intermediate supports do not squeeze the jacket or hide the connectors behind adjacent cables. Both hosts must still match the stated interface and lane configuration. The next shorter verified assembly is QSFP-DD to 8x 50G SFP56-400G-AOC-50M164FT at 50m (164ft), which is the better comparison when the managed route leaves substantial unused cable.
Quality Assurance and Packaging
The cable and both connectors are inspected before a functional link test. Connector protection and bend-safe packing reduce handling damage during transport and storage. Customer or site labels can be added for field inventories, with different lengths separated to simplify issue and return of spare assemblies. Volume orders can include customer references on the labels and carton list.
Generic Compatibility and Factory Testing
A field-ready cable needs both correct identification and a stable operating link. Our pre-packing check therefore includes the connectors, host recognition and link behavior. For equipment with uncertain revision history, providing the host model and software release helps identify compatibility requirements before the assembly reaches the installation site. The check includes receive activity and diagnostic indications, followed by a final inspection of both ends.
Frequently Asked Questions
Is this an original equipment manufacturer cable?
No. It is manufactured by HT under our own manufacturer identity.
How should an unused assembly be stored?
Protect both connector ends, keep the cable in a loose bend-safe coil and retain its part-number label so the length and compatibility identity remain traceable.
Can different brands be connected with the same assembly?
Only where both hosts explicitly support the complete interface and compatibility arrangement. Document each end and select the appropriate brand-specific product when required.
Does this order code cover multiple lengths?
No. QSFP-DD to 8x 50G SFP56-400G-AOC-70M230FT refers here to 70m (230ft). Every other verified length has a separate part number and page in the length list.
Ordering Information
Request the cable by its exact part number and length, and state the equipment model if compatibility confirmation is needed. Site orders can list quantities by rack or installation team. Any requested label should retain the part number so a removed or spare cable can still be identified accurately. Quantity and any labeling instructions should be attached specifically to QSFP-DD to 8x 50G SFP56-400G-AOC-70M230FT.
Shipping and Lead Time
Standard configurations normally ship within one to three working days, while production quantities are confirmed with the order. International express, air cargo and sea freight can be selected according to destination and carton volume; customer courier accounts and nominated forwarders are also accepted.
