
For short, high-density connections, this AOC cable combines 400G performance with a fixed 2m (7ft) cable run. It corresponds to Generic QSFP-DD to 4x QSFP56-400G-AOC-2M7FT and uses a factory-terminated active optical link with the optical engines and fiber integrated into the assembly.
OEM Part Number: QSFP-DD to 4x QSFP56-400G-AOC-2M7FTHT Part Number: QSFP-DD to 4x QSFP56-400G-AOC-2M7FT
| HT Part Number | QSFP-DD to 4x QSFP56-400G-AOC-2M7FT |
|---|---|
| Manufacturer | HT |
| Form Factor | QSFP-DD to 4x QSFP56 |
| Max. Data Rate | 400Gbps |
| Cable Length | 2m (7ft) |
| Cable Type | OM3 |
| Wavelength | 850nm |
| Minimum Bend Radius | 30mm |
| Transmitter Type | VSCEL |
| Receiver Type | PIN |
| Max. Power Consumption | 12W (QSFP-DD End)3.5W (QSFP56 Per End) |
| Jacket Material | OFNP |
| CDR (Clock and Data Recovery) | TX & RX Built-in CDR |
| Modulation Format | QSFP-DD-8x 50G-PAM4QSFP56-2x 50G-PAM4 |
| DDM/DOM | Supported |
| Commercial Temperature Range | 0 to 70°C (32 to 158°F) |
| Protocols | IEEE 802.3cd, OIF-CEI-04.0, QSFP-DD MSA, QSFP-DD-CMIS-Rev4.0, SFF-8024, IEEE 802.3bs Annex120E |
| Inbuilt FEC | Yes |
| Application | 400G Ethernet |
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.
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.
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.
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.
QSFP-DD to 4x QSFP56-400G-AOC-2M7FT provides 2m (7ft) for connections between separated rack units or nearby equipment positions. Plan the route around cable managers and power cords, keeping the assembly free from connector strain while avoiding a large obstruction in the airflow path.
QSFP-DD to 4x QSFP56-400G-AOC-2M7FT occupies the middle of this family between QSFP-DD to 4x QSFP56-400G-AOC-1M3FT at 1m (3ft) and QSFP-DD to 4x QSFP56-400G-AOC-3M10FT at 3m (10ft). It adds 1m over the shorter option for extra routing clearance, while the next longer version adds another 1m. Measure the managed path and choose this version when its reach is sufficient without creating the slack associated with the longer assembly.
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.
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.
Compatibility is more than matching the QSFP-DD to 4x QSFP56 shape. This assembly is prepared for hosts expecting QSFP-DD to 4x QSFP56-400G-AOC-2M7FT and is checked for identification, stable link behavior and optical link operation, receive activity and diagnostic readouts. We recommend confirming the equipment model and software release for critical deployments or mixed-vendor installations.
When ordering, specify QSFP-DD to 4x QSFP56-400G-AOC-2M7FT, cable length 2m (7ft) 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.
No. It is manufactured by HT under our own manufacturer identity.
Provide the host manufacturer, equipment model, port type, hardware revision and software release, together with the OEM part number and required quantity.
No. This page is dedicated to 2m (7ft) and part number QSFP-DD to 4x QSFP56-400G-AOC-2M7FT. Other lengths have their own part numbers and product pages.
No. The connectors and cable form one complete direct-attach assembly. Do not attempt to detach or replace either end.
Production inspection covers both physical condition and a live link check. Connector ends receive individual protection, and the completed assembly is packed without tight ties or sharp bends. For multi-length projects, cartons can be separated and labelled by OEM part number to simplify installation on site.
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.
Please write to sales@huihongfiber.com, we will reply as soon as possible.
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