Netgear SFP-25GLR-31 Compatible 25G SFP28 LR Transceiver Module

Netgear SFP-25GLR-31 Compatible 25G SFP28 LR Transceiver Module

This Netgear SFP-25GLR-31 compatible transceiver provides 25G connectivity in a hot-swappable SFP28 package. Its optical design operates at 1310nm for up to 10km, using Duplex LC. Complete parameters and related OEM references help mixed-vendor networks document the correct compatibility identity at each host.

OEM Part Number: SFP-25GLR-31HT Part Number: SFP-25GLR-31

Product Highlights

  • Compatible alternative to Netgear SFP-25GLR-31
  • 25G connectivity at 25.78Gbps
  • 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

Netgear CompatibleSFP-25GLR-31
ManufacturerHT
HT Part NumberSFP-25GLR-31
Form FactorSFP28
Max Data Rate25.78Gbps
Wavelength1310nm
Max Cable Distance10km
ConnectorDuplex LC
MediaSMF
Transmitter TypeDFB 1310nm
Receiver TypePIN
TX Power-4~2dBm
Minimum Receiver Power<-12dBm
Power Budget8dB
Receiver Overload2dBm
Power Consumption<1.2W
Extinction Ratio3.5dB
CDRTX and RX
Inbuilt FECYes
Commercial Temperature Range0 to 70°C (32 to 158°F)
ProtocolsMSA Compliant, CPRI, eCPRI
Core SizeG.652
Packaging TechnologyBOX Packaging
DDM/DOMSupported

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 25G interface configuration must match the remote equipment; sharing a SFP28 housing alone does not make two transceiver types interoperable.

Before commissioning, measure the complete single-mode channel against the stated budget for 10km. Inspect every Duplex LC connection and record diagnostic power where supported. Both ends must agree on rate, wavelength and optical standard.

Optical Acceptance, Diagnostics and Handling

For this model, the specified transmit-power range is -4~2dBm; the stated optical power budget is 8dB. 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.

Mixed-Vendor Network Operation

A mixed-vendor optical link should be documented at both ends, not treated as one generic connection. Confirm which OEM identity each host expects and whether both ends use the same wavelength plan and optical standard. Related links locate equivalent hardware, but brand-specific identification must still be selected independently. For this model, the principal parameters are data rate 25.78Gbps, wavelength 1310nm, rated reach 10km.

Netgear Compatibility and Factory Testing

Factory verification starts with the expected SFP-25GLR-31 identity and finishes with an operating host link. EEPROM data, diagnostic visibility and the stated optical parameters are assessed together. Equipment model, hardware revision and software release can be reviewed before dispatch where platform behavior is uncertain.

Ordering Information

Quote HT part number SFP-25GLR-31 together with OEM reference SFP-25GLR-31 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.

Quality Assurance and Packaging

Each SFP-25GLR-31 compatible module is inspected, powered up and functionally checked before protective packing. Dust caps and individual trays shield the interface during transport. Customer references, rack groups and project packing lists can be added for volume orders.

Frequently Asked Questions

Is this an original Netgear transceiver?

No. It is an HT-manufactured compatible alternative for equipment that specifies SFP-25GLR-31, not an original Netgear-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.

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.


Malaysia Fiber Optic Supplier

Malaysia Fiber Optics
Factory Address: Block 5, Wangtang Industrial Park,Nanshan Area, Shenzhen,China
Malaysia Office: 68000 Ampang,
Selangor, MY
https://www.fiberoptic.com.my