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Generic QSFP-100G-ER4 Compatible 100G QSFP28 ER4L Transceiver Module

Generic QSFP-100G-ER4 Compatible 100G QSFP28 ER4L Transceiver Module

Built for hosts recognizing QSFP-100G-ER4, this HT-manufactured QSFP28 module delivers 100G transmission at 1310nm. Its rated reach is 30km on SMF, with LC duplex as the physical interface. The specifications and engineering guidance below support network teams verify host acceptance as well as physical interface fit, while keeping HT manufacture separate from the OEM cross-reference.

OEM Part Number: QSFP-100G-ER4HT Part Number: QSFP-100G-ER4

Product Highlights

  • Compatible alternative to Generic QSFP-100G-ER4
  • 100G connectivity at Dual Rate 103.1Gbps and 112Gbps
  • Optical wavelength: 1310nm
  • Specified reach: 30km on SMF
  • LC duplex / SMF interface
  • Digital diagnostic monitoring: Supported
  • Operating temperature: 0 to 70°C (32 to 158°F)

Specifications

HT Part NumberQSFP-100G-ER4
ManufacturerHT
Form FactorQSFP28
Data RateDual Rate 103.1Gbps and 112Gbps
Wavelength1310nm
Max Cable Distance30km@SMF
ConnectorLC duplex
MediaSMF
Transmitter Type4 x LAN WDM DML TOSA
Receiver Type4 x PIN ROSA
DDM/DOMSupported
Commercial Temperature Range0 to 70°C (32 to 158°F)
TX Power(100G)-2.5~4.5dBm
Receiver Sensitivity(100G)<-15dBm
TX Power(112G)-1.5~4.5dBm
Receiver Sensitivity(112G)<-14.5dBm
Power Consumption4.5W
Extinction Ratio4dB
Modulation FormatNRZ
CDRTX and RX
Transmit and Dispersion Penalty2.5dB
Power Budget14.4dB
Packaging TechnologyBOX Packaging
FEC FunctionSupported
Protocols100G Ethernet, 100G Telecom Connections, Infiniband QDR and DDR Interconnects
Application100GBASE Ethernet, Telecom, 5G Network Mid/Backhaul

Applications and Optical Link Design

Use this module for equipment interconnection over the specified single-mode fiber plant, including enterprise backbone, campus, metro or data-center interconnect links according to its rated distance. Confirm that both ends use the same optical standard and wavelength plan, and allow for connector, splice and patch-panel loss within the stated power budget.

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.

Before commissioning, measure the complete single-mode channel against the stated budget for 30km on SMF. Inspect every LC duplex connection and record diagnostic power where supported. Both ends must agree on rate, wavelength and optical standard.

Generic Compatibility and Factory Testing

Compatibility testing for QSFP-100G-ER4 combines identification with a live link and available transmit, receive and alarm information. Connector condition is inspected separately. Equipment model, hardware revision and software release can be reviewed before dispatch where platform behavior is uncertain.

Optical Acceptance, Diagnostics and Handling

For this model, the stated optical power budget is 14.4dB. 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.

Interoperability and Host Configuration

Check three layers before deployment: host acceptance of the module identity, port support for the stated rate, and a matching optical standard at the remote interface. For breakout operation, confirm lane configuration too. Similar-looking cages can behave differently across speeds and firmware settings. For this model, the principal parameters are data rate Dual Rate 103.1Gbps and 112Gbps, wavelength 1310nm, rated reach 30km on SMF.

Ordering Information

Quote HT part number QSFP-100G-ER4 together with OEM reference QSFP-100G-ER4 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.

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.

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 LC duplex with SMF. The specified maximum reach is 30km on SMF, 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.


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