Generic QSFP-SL4-100G Compatible 100G QSFP28 SL4 Transceiver Module

Generic QSFP-SL4-100G Compatible 100G QSFP28 SL4 Transceiver Module

Built for hosts recognizing QSFP-SL4-100G, this HT-manufactured QSFP28 module delivers 100G transmission at 850nm. Its rated reach is 20m on OM3 / 30m on OM4, with MPO-12 as the physical interface. The specifications and engineering guidance below support installers plan a serviceable optical connection at the equipment rack, while keeping HT manufacture separate from the OEM cross-reference.

OEM Part Number: QSFP-SL4-100GHT Part Number: QSFP-SL4-100G

Product Highlights

  • Compatible alternative to Generic QSFP-SL4-100G
  • 100G connectivity at 103.125Gbps (4x 25.78Gbps)
  • Optical wavelength: 850nm
  • Specified reach: 20m on OM3 / 30m on OM4
  • MPO-12 / MMF interface
  • Digital diagnostic monitoring: Supported
  • Operating temperature: 0 to 70°C (32 to 158°F)

Specifications

HT Part NumberQSFP-SL4-100G
ManufacturerHT
Form FactorQSFP28
Max Data Rate103.125Gbps (4x 25.78Gbps)
Wavelength850nm
Max Cable Distance20m@OM3/30m@OM4
ConnectorMPO-12
MediaMMF
Transmitter TypeVCSEL
Receiver TypePIN
TX Power-8.4~2.4dBm
Minimum Receiver Power-10.3dBm
Power Budget1.9dBm
Receiver Overload2.4dBm
Max Power Consumption≤2.5W
Extinction Ratio>2dB
DDM/DOMSupported
Commercial Temperature Range0 to 70°C (32 to 158°F)
Modulation (Electrical)4x 25G-NRZ
Modulation (Optical)4x 25G-NRZ
CDR (Clock and Data Recovery)TX & RX Built-in CDR
Inbuilt FECYes
Packaging TechnologyCOB Packaging
Core Size9um/125um
ProtocolsIEEE 802.3bm

Rack Integration and Service Access

Plan the fiber route before removing connector protection. The patch lead should follow its manager without pulling on the transceiver, while leaving space to release the latch and service adjacent ports. Protect the end face until final connection and avoid tight bends immediately behind warm exhaust air. For this model, the principal parameters are data rate 103.125Gbps (4x 25.78Gbps), wavelength 850nm, rated reach 20m on OM3 / 30m on OM4.

Applications and Optical Link Design

Typical deployments include switch-to-switch, switch-to-server and aggregation links inside a data hall or between adjacent equipment rooms. The MPO-12 interface connects to the specified multimode cabling, and the stated reach depends on fiber grade and link loss. Keep this interface on the matching multimode optical standard rather than connecting it directly to a single-mode wavelength or reach variant.

Before deployment, check the host port type, supported data rate and firmware requirements. The 100G interface configuration must match the remote equipment; sharing a QSFP28 housing alone does not make two transceiver types interoperable.

The multimode channel should use the fiber grade associated with the stated 20m on OM3 / 30m on OM4 reach. Keep the MPO-12 end faces clean and avoid tight bends. Different multimode standards are not interchangeable merely because they share a connector.

Optical Acceptance, Diagnostics and Handling

For this model, the specified transmit-power range is -8.4~2.4dBm; the stated optical power budget is 1.9dBm. Digital diagnostics make later maintenance easier when baseline values are captured at installation. Save the initial readings with the port and OEM reference, then investigate meaningful changes rather than reacting to a single transient value. Diagnostic support depends on the host as well as the module, so unavailable fields should be confirmed with the platform documentation. Diagnostic monitoring is listed as Supported. Before every insertion, keep dust caps in place until the patch lead is ready, avoid touching the optical end face and use an appropriate inspection and cleaning procedure. Do not look into an active optical interface.

Quality Assurance and Packaging

Quality control covers the optical or electrical interface, host identification and operating link. The verified unit is then individually protected and cartoned. Customer references, rack groups and project packing lists can be added for volume orders.

Generic Compatibility and Factory Testing

The module is checked for host recognition as QSFP-SL4-100G, link establishment and diagnostic reporting. Physical cage fit alone is not treated as evidence of compatibility. Equipment model, hardware revision and software release can be reviewed before dispatch where platform behavior is uncertain.

Frequently Asked Questions

Is this an original equipment manufacturer transceiver?

No. It is an HT-manufactured compatible transceiver supplied under our own manufacturer identity, not an original equipment manufacturer module.

Which fiber and connector are required?

Use MPO-12 with MMF. The specified maximum reach is 20m on OM3 / 30m on OM4, 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.

Ordering Information

Quote HT part number QSFP-SL4-100G together with OEM reference QSFP-SL4-100G and quantity. Add the host model and software release when pre-order verification is required. Neutral labels, customer packaging and project-specific compatibility review are available on request.

Shipping and Lead Time

Standard configurations normally ship within one to three working days, with production lead times confirmed for larger quantities. International courier, air freight and sea freight are available; customer courier accounts and nominated forwarders are accepted.


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