Netgear SFP2.5G-LX-31 Compatible 2.5G SFP LX Transceiver Module

Netgear SFP2.5G-LX-31 Compatible 2.5G SFP LX Transceiver Module

The SFP2.5G-LX-31 compatible module serves equipment requiring a 2.5G SFP interface with 1310nm optics and a 15km rating. Connection is through Duplex LC. Product data, application guidance and factory verification are presented together to support mixed-vendor networks document the correct compatibility identity at each host.

OEM Part Number: SFP2.5G-LX-31HT Part Number: SFP2.5G-LX-31

Product Highlights

  • Compatible alternative to Netgear SFP2.5G-LX-31
  • 2.5G connectivity at 2.5Gbps
  • Optical wavelength: 1310nm
  • Specified reach: 15km
  • Duplex LC / SMF interface
  • Digital diagnostic monitoring: Supported
  • Factory compatibility verification and optical performance testing before shipment

Specifications

HT Part NumberSFP2.5G-LX-31
ManufacturerHT
Form FactorSFP
Max Data Rate2.5Gbps
Wavelength1310nm
Max Cable Distance15km
ConnectorDuplex LC
MediaSMF
Transmitter TypeDFB
Receiver TypePIN
TX Power-5~0dBm
Receiver Sensitivity< -18dBm
Power Budget13dB
Receiver Overload0dBm
Power Consumption1W
Extinction Ratio> 8.2dB
DDM/DOMSupported
Inbuilt FECNo
Operating Temperature Range-10 to 70°C (14 to 158°F)
ProtocolsSFP MSA(INF-8074i), GR-253-CORE, ITU-T G.957, FC-PI v2.0,~SFF-8472 v9.5 Compliant

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 2.5G interface configuration must match the remote equipment; sharing a SFP housing alone does not make two transceiver types interoperable.

Before commissioning, measure the complete single-mode channel against the stated budget for 15km. 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 -5~0dBm; receiver sensitivity is < -18dBm; the stated optical power budget is 13dB. 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.

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 2.5Gbps, wavelength 1310nm, rated reach 15km.

Netgear Compatibility and Factory Testing

Compatibility testing for SFP2.5G-LX-31 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.

Ordering Information

Use SFP2.5G-LX-31 as the compatibility cross-reference and SFP2.5G-LX-31 as the HT ordering identity. Keep other reaches or wavelength directions on separate order lines. Neutral labels, customer packaging and project-specific compatibility review are available on request.

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.

Frequently Asked Questions

Is this an original Netgear transceiver?

No. It is an HT-manufactured compatible alternative for equipment that specifies SFP2.5G-LX-31, not an original Netgear-branded module.

Which fiber and connector are required?

Use Duplex LC with SMF. The specified maximum reach is 15km, 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