Brocade 25G-SFP28-ER40 Compatible 25G SFP28 ER Transceiver Module

Brocade 25G-SFP28-ER40 Compatible 25G SFP28 ER Transceiver Module

This Brocade 25G-SFP28-ER40 compatible transceiver provides 25G connectivity in a hot-swappable SFP28 package. Its optical design operates at 1310nm for up to 40km, using Duplex LC. Complete parameters and related OEM references help data-center designers evaluate optical reach, rack integration and host compatibility together.

OEM Part Number: 25G-SFP28-ER40HT Part Number: SFP-25GER-31

Product Highlights

  • Compatible alternative to Brocade 25G-SFP28-ER40
  • 25G connectivity at 25.78Gbps
  • Optical wavelength: 1310nm
  • Specified reach: 40km
  • Duplex LC / SMF interface
  • Operating temperature: 0 to 70°C (32 to 158°F)
  • Factory compatibility verification and optical performance testing before shipment

Specifications

Brocade Compatible25G-SFP28-ER40
ManufacturerHT
HT Part NumberSFP-25GER-31
Form FactorSFP28
Max. Data Rate25.78Gbps
Wavelength1310nm
Max. Cable Distance40km
ConnectorDuplex LC
MediaSMF
Transmitter TypeDML 1310nm
Receiver TypeAPD
TX Power0~6dBm
Minimum Receiver Power<-19dBm
Power Budget19dB
Receiver Overload-5dBm
Max. Power Consumption≤2W
Extinction Ratio4dB
Commercial Temperature Range0 to 70°C (32 to 158°F)
CDR (Clock and Data Recovery)TX & RX Built-in CDR
Core SizeG.652
Inbuilt FECNo
Packaging TechnologyBOX Packaging
ProtocolsMSA Compliant, SFF-8431, SFF-8432, SFF-8472, CPRI, eCPRI

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 40km. Inspect every Duplex LC connection and record diagnostic power where supported. Both ends must agree on rate, wavelength and optical standard.

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.

Optical Acceptance, Diagnostics and Handling

For this model, the specified transmit-power range is 0~6dBm; the stated optical power budget is 19dB. A sound acceptance record includes link state, diagnostic temperature, supply voltage and transmit or receive levels where the host exposes them. Compare the readings with the stated ranges rather than treating any received light as proof of adequate margin. Persistent alarms or borderline values should trigger an end-face and complete-channel inspection. 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.

Data-Center Optical Design and Airflow

Select the module by optical standard, reach and rack layout. Check the complete fiber channel, including panels and connectors, and keep dense bundles from blocking front-panel airflow. Account for listed power consumption and preserve enough space to remove a module without disturbing adjacent links. For this model, the principal parameters are data rate 25.78Gbps, wavelength 1310nm, rated reach 40km.

Ordering Information

Quote HT part number SFP-25GER-31 together with OEM reference 25G-SFP28-ER40 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.

Brocade Compatibility and Factory Testing

The module is checked for host recognition as 25G-SFP28-ER40, 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 Brocade transceiver?

No. It is an HT-manufactured compatible alternative for equipment that specifies 25G-SFP28-ER40, not an original Brocade-branded module.

Which fiber and connector are required?

Use Duplex LC with SMF. The specified maximum reach is 40km, 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.


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