Juniper Networks 100/112GBASE-LR4 Compatible 100G QSFP28 112GBASE-LR4 Transceiver Module

Juniper Networks 100/112GBASE-LR4 Compatible 100G QSFP28 112GBASE-LR4 Transceiver Module

Built for hosts recognizing 100/112GBASE-LR4, this HT-manufactured QSFP28 module delivers 100G transmission at 1310nm. Its rated reach is 10km, with Duplex LC 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: 100/112GBASE-LR4HT Part Number: QSFP-LR4-100GM

Product Highlights

  • Compatible alternative to Juniper Networks 100/112GBASE-LR4
  • 100G connectivity at Dual Rate 103.1Gbps and 112Gbps
  • Optical wavelength: 1310nm
  • Specified reach: 10km
  • Duplex LC / SMF interface
  • Digital diagnostic monitoring: Supported
  • Operating temperature: 0 to 70°C (32 to 158°F)

Specifications

Juniper Networks Compatible100/112GBASE-LR4
ManufacturerHT
HT Part NumberQSFP-LR4-100GM
Form FactorQSFP28
Max Data RateDual Rate 103.1Gbps and 112Gbps
Wavelength1310nm
Max Cable Distance10km
ConnectorDuplex LC
MediaSMF
Transmitter Type4 x LAN WDM DML TOSA
Receiver Type4 x PIN ROSA
TX Power(100G)-4.3~4.5dBm
Receiver Sensitivity(100G)<-8.6dBm
TX Power(112G)-0.6~4dBm
Receiver Sensitivity(112G)<-8.4dBm
Transmit and Dispersion Penalty2.2dB
Power Budget6.3dB
Power Consumption≤3.5W
Extinction Ratio>4dB
DDM/DOMSupported
Commercial Temperature Range0 to 70°C (32 to 158°F)
Modulation (Electrical)4x 25G-NRZ
Modulation (Optical)4x 25G-NRZ
Modulation FormatNRZ
Inbuilt FECNo
Core Size9um/125um
Protocols100G Ethernet, 25G Ethernet, OTN OTU4 4I1-9D1F

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 Dual Rate 103.1Gbps and 112Gbps, wavelength 1310nm, rated reach 10km.

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.

The single-mode link budget should include fiber attenuation, connectors, splices and panels over the intended 10km route. Keep the Duplex LC interface clean and match the remote optical standard. Consider receiver overload as well as insufficient power on short links.

Optical Acceptance, Diagnostics and Handling

For this model, the stated optical power budget is 6.3dB. During commissioning, record the host diagnostic readings after the link has stabilized and compare them with those limits. DOM values are useful operational indicators, but they do not replace calibrated optical measurements when a link is marginal. Investigate unexpected loss through connector inspection, cleaning and a channel measurement before replacing the module. 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

Before packing, the module receives interface inspection, identification and link checks. Protective packaging avoids pressure on the connector and latch. Customer references, rack groups and project packing lists can be added for volume orders.

Juniper Networks Compatibility and Factory Testing

Compatibility testing for 100/112GBASE-LR4 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.

Frequently Asked Questions

Is this an original Juniper Networks transceiver?

No. It is an HT-manufactured compatible alternative for equipment that specifies 100/112GBASE-LR4, not an original Juniper Networks-branded module.

Which fiber and connector are required?

Use Duplex LC with SMF. The specified maximum reach is 10km, 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-LR4-100GM together with OEM reference 100/112GBASE-LR4 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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