QSFP-DD to 8x 25G SFP28-200G-AOC-20M66FT 200G QSFP-DD 8 x 25G NRZ to 8 x 25G SFP28 25G NRZ Active Optical Breakout Cable, 20m (66ft)
For buyers working from an equipment parts list, QSFP-DD to 8x 25G SFP28-200G-AOC-20M66FT identifies more than a connector style. It refers here to a 20m (66ft) AOC cable for Generic hosts, supporting 200G operation with QSFP-DD to 8x 25G SFP28. The sections below separate the OEM cross-reference, physical specification and HT factory checks for straightforward purchasing review.
OEM Part Number: QSFP-DD to 8x 25G SFP28-200G-AOC-20M66FTHT Part Number: QSFP-DD to 8x 25G SFP28-200G-AOC-20M66FT
Product Highlights
- HT-manufactured AOC assembly in 20m (66ft)
- 200G connectivity at 206.24Gbps (8x 25.78Gbps)
- Interface configuration: QSFP-DD to 8x 25G SFP28
- Fixed length and part number: 20m (66ft), QSFP-DD to 8x 25G SFP28-200G-AOC-20M66FT
- Cable construction: OM3
- Maximum power consumption: QSFP-DD <4W,SFP28 <1W
- Minimum bend radius: 30mm
- Operating temperature: 0 to 70°C (32 to 158°F)
Specifications
| HT Part Number | QSFP-DD to 8x 25G SFP28-200G-AOC-20M66FT |
|---|---|
| Manufacturer | HT |
| Form Factor | QSFP-DD to 8x 25G SFP28 |
| Max. Data Rate | 206.24Gbps (8x 25.78Gbps) |
| Cable Length | 20m |
| Cable Type | OM3 |
| Minimum Bend Radius | 30mm |
| Power Consumption | QSFP-DD <4W,SFP28 <1W |
| Transmitter Type | VSCEL |
| Receiver Type | PIN |
| Modulation Format | NRZ |
| BER | 5E-5 |
| Inbuilt FEC | No |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Protocols | QSFP-DD MSA V5.0,SFP28 MSA,CMIS V4.0,SFF-8472 |
Signal and Lane Configuration
The listed modulation format is 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.
Procurement and Port-Mapping Review
A useful purchase order should identify the host platform, the expected OEM code and the exact cable length as separate pieces of information. This prevents a physically similar assembly from being substituted when the port identification or reach is different. For mixed-length installations, prepare one order line per part number and reconcile each delivered cable with its intended pair of ports. For this assembly, the minimum bend radius is 30mm; the stated power consumption is QSFP-DD <4W,SFP28 <1W.
Power and Thermal Planning
The rated power consumption is QSFP-DD <4W,SFP28 <1W. 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 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 V5.0,SFP28 MSA,CMIS V4.0,SFF-8472. Confirm that the host firmware and port configuration support the same operating mode.
Breakout Port Mapping
The QSFP-DD to 8x 25G 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
Choose QSFP-DD to 8x 25G SFP28-200G-AOC-20M66FT when the measured managed path justifies 20m (66ft), not simply to leave a large spare coil. Additional reach can simplify adjacent-rack routing, yet unused cable still needs bend-safe storage and ventilation clearance. Keep identification visible so this extended version is not confused with shorter spares. Within this family, QSFP-DD to 8x 25G SFP28-200G-AOC-15M49FT is shorter at 15m (49ft), while QSFP-DD to 8x 25G SFP28-200G-AOC-25M82FT is the next longer choice at 25m (82ft); comparing those two boundaries helps avoid both tension and unnecessary slack.
Position Within the Length Range
QSFP-DD to 8x 25G SFP28-200G-AOC-20M66FT occupies the middle of this family between QSFP-DD to 8x 25G SFP28-200G-AOC-15M49FT at 15m (49ft) and QSFP-DD to 8x 25G SFP28-200G-AOC-25M82FT at 25m (82ft). 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.
Generic Compatibility and Factory Testing
Our procurement-oriented compatibility check begins with the OEM reference and ends with a live host link. We record the physical length separately from the identification configuration, so the cable supplied for this page remains the stated version rather than a generic length substitute. Where supported by the host, receive activity and diagnostic indications are reviewed together with the established link.
Ordering Information
For a clear bill of materials, quote the OEM reference, HT part number, length and quantity on the same line. Add the switch or server model and software release when a pre-order review is required; project labels can repeat those details for receiving and installation teams. Keep QSFP-DD to 8x 25G SFP28-200G-AOC-20M66FT associated with 20m (66ft) throughout the order and receiving record.
Quality Assurance and Packaging
Before packing, the assembly is checked for connector condition, identification and link operation. Cables for multi-line orders can be labelled and grouped by part number, making it easier to match each length to the procurement record without opening every protective bag. Neutral packaging and customer-specific packing documentation are available on request.
Frequently Asked Questions
Is this an original equipment manufacturer cable?
No. It is manufactured by HT under our own manufacturer identity.
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.
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.
Shipping and Lead Time
Standard configurations normally ship within one to three working days, while production quantities are confirmed with the order. Worldwide courier services are available, with air or sea freight for consolidated shipments; freight-collect delivery and coordination with a customer’s logistics provider can be arranged.