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Broadcom QSFP112-FR4-400G Compatible 400G QSFP112 FR4 Transceiver Module

Broadcom QSFP112-FR4-400G Compatible 400G QSFP112 FR4 Transceiver Module

This Broadcom QSFP112-FR4-400G compatible transceiver provides 400G connectivity in a hot-swappable QSFP112 package. Its key parameters include wavelength 1310nm, reach 2km, with Duplex LC/UPC through SMF.

OEM Part Number: QSFP112-FR4-400GHT Part Number: QSFP112-FR4-400G

Product Highlights

  • Compatible alternative to Broadcom QSFP112-FR4-400G
  • 400G connectivity at 425Gbps (4x 106.25Gbps)
  • Optical wavelength: 1310nm
  • Specified reach: 2km
  • Duplex LC/UPC / SMF interface
  • Digital diagnostic monitoring: Supported
  • Operating temperature: 0 to 70°C (32 to 158°F)

Specifications

HT Part NumberQSFP112-FR4-400G
ManufacturerHT
Form FactorQSFP112
Max. Data Rate425Gbps (4x 106.25Gbps)
Wavelength1310nm
Max. Cable Distance2km
ConnectorDuplex LC/UPC
MediaSMF
Transmitter TypeEML
Receiver TypePD
TX Power-3.2~4.4dBm
Minimum Receiver Power-7.2dBm
Power Budget4dB
Receiver Overload4.4dBm
Max. Power Consumption10W
Extinction Ratio>3.5dB
DDM/DOMSupported
Commercial Temperature Range0 to 70°C (32 to 158°F)
Modulation (Electrical)4x100G-PAM4
Modulation (Optical)4x100G-PAM4
Core Size9μm
Packaging TechnologyCOB
ProtocolsQSFP-112 MSA, CMIS Rev 4.0, IEEE 802.3cu, OIF-CEI-112G-VSR-PAM4

Applications and Deployment

This coherent interface is suited to data-center interconnect, metro transport and managed DWDM links where the host platform supports the stated modulation and FEC modes. Design the optical line around the actual launch power, receiver range, OSNR requirement and span loss; the stated reach is not a substitute for a link-budget calculation. Use matching coherent modules and the appropriate DWDM channel plan at both ends.

Before deployment, check the host port type, supported data rate and firmware requirements. The 400G interface configuration must match the remote equipment; sharing a QSFP112 housing alone does not make two transceiver types interoperable.

Broadcom Compatibility and Testing

The module is programmed for equipment that recognizes the QSFP112-FR4-400G part number. Before shipment, we check EEPROM identification, link establishment and diagnostic readouts, then verify transmit and receiver performance against the stated optical specifications. Host hardware and software revisions can affect third-party module acceptance, so customers can provide the switch model and software release for a compatibility check before ordering.

Ordering Information

Quote HT part number QSFP112-FR4-400G together with OEM part number QSFP112-FR4-400G and the required quantity. Standard modules use our factory label; neutral labels, customer-branded packaging and project-specific compatibility coding are available on request. For mixed-brand installations, select the corresponding brand-specific page instead of assuming one EEPROM version fits every platform.

Frequently Asked Questions

Is this an original Broadcom transceiver?

No. It is an HT-manufactured compatible alternative for equipment that specifies QSFP112-FR4-400G, not an original Broadcom-branded module.

Which fiber and connector are required?

Use Duplex LC/UPC with SMF. The specified maximum reach is 2km, subject to fiber quality and total link loss.

Can it be mixed with another wavelength or reach version?

Only when the two ends share the same optical standard, wavelength plan and supported data rate. Check the exact part numbers and link budget rather than relying only on the module form factor.

Quality Assurance and Packaging

Each unit undergoes optical performance checks, compatibility verification and visual inspection before packing. Modules are supplied in protective blister trays or anti-static packaging and then cartoned for transport. Custom labels and project packing lists can be added for volume orders.

Shipping and Lead Time

Standard products normally ship within one to three working days. Worldwide courier, air freight and sea freight options are available, and shipments can also be sent on your own courier account or delivered to an appointed forwarder.

 

Get a quick quote

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


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