Cisco Compatible SFP-25G-ER-S | 25GBASE-ER SFP28 Transceiver 40km
Cisco Compatible Transceivers

Cisco Compatible SFP-25G-ER-S | 25GBASE-ER SFP28 Transceiver 40km

Buy Cisco compatible SFP-25G-ER-S 25GBASE-ER SFP28 transceiver for Cisco Nexus, Catalyst, ASR and UCS platforms. 1310nm SMF LC 40km DOM optical module.

Cisco Compatible SFP-25G-ER-S

25GBASE-ER SFP28 Optical Transceiver | 1310nm | SMF | 40km | DOM Support



Product Overview

The Cisco compatible SFP-25G-ER-S is a high-performance 25G SFP28 optical transceiver designed for long-distance 25 Gigabit Ethernet transmission over single-mode fiber (SMF).
Operating at a 1310nm wavelength, this module supports transmission distances up to 40km using duplex LC connectors, making it ideal for:
  • Data center interconnects (DCI)
  • Enterprise backbone networks
  • Metro Ethernet deployments
  • Telecom infrastructure
  • Cloud and hyperscale networking
The module complies with IEEE standards and SFP28 MSA specifications while supporting Digital Optical Monitoring (DOM/DDM) for real-time diagnostics and operational monitoring.


Key Features

  • Supports 25GBASE-ER Ethernet
  • SFP28 hot-pluggable form factor
  • 1310nm EML laser transmitter
  • Duplex LC optical connector
  • Up to 40km transmission over SMF
  • Low power consumption
  • Built-in DOM/DDM diagnostics
  • Fully compliant with SFP28 MSA
  • Excellent interoperability with Cisco networking platforms
  • 100% tested for compatibility and reliability


Compatible Cisco Platforms

The Cisco compatible SFP-25G-ER-S is compatible with many Cisco networking platforms including:

Cisco Nexus Series

  • Cisco Nexus 93180YC-EX
  • Cisco Nexus 93108TC-EX
  • Cisco Nexus 9336C-FX2
  • Cisco Nexus 9364C
  • Cisco Nexus 9500 Series

Cisco Catalyst Series

  • Cisco Catalyst 9500 Series
  • Cisco Catalyst 9600 Series

Cisco UCS Platforms

  • Cisco UCS Fabric Interconnect 6454
  • Cisco UCS C-Series Servers
  • Cisco UCS B-Series Blade Servers

Cisco ASR Series

  • Cisco ASR 9000 Series
  • Cisco ASR 1000 Series

Cisco NCS Series

  • Cisco NCS 540
  • Cisco NCS 5500 Series

Cisco MDS Storage Networking

  • Cisco MDS 9000 Series
Compatibility may vary depending on Cisco hardware revision and software version.


Technical Specifications

Parameter
Description
Part Number
SFP-25G-ER-S
Form Factor
SFP28
Data Rate
25Gbps
Wavelength
1310nm
Fiber Type
Single-Mode Fiber (SMF)
Connector
Duplex LC
Max Distance
40km
Transmitter Type
EML
Receiver Type
APD
DOM/DDM
Supported
Operating Temperature
0°C to 70°C
Power Consumption
< 2W
Hot Swappable
Yes
Standards Compliance
IEEE 802.3cc, SFP28 MSA, RoHS


Product Advantages

Long-Distance 25G Connectivity

Provides stable 25G Ethernet transmission up to 40km for metro and backbone applications.

Proven Cisco Compatibility

Individually tested on Cisco switches and routers for seamless interoperability and stable operation.

Cost-Effective Alternative

Offers enterprise-grade optical performance at a significantly lower cost than original Cisco transceivers.

Plug-and-Play Deployment

Simple installation without additional configuration in compatible Cisco equipment.


Typical Applications

  • 25G data center interconnects
  • Enterprise backbone networks
  • Metro Ethernet infrastructure
  • Telecom transmission networks
  • Cloud computing platforms
  • ISP aggregation networks
  • Long-distance switch interconnects
  • High-speed storage networking


Quality Assurance

Each Cisco compatible SFP-25G-ER-S module undergoes:
  • Optical performance testing
  • Cisco interoperability verification
  • EEPROM programming validation
  • Temperature and aging testing
  • Reliability and stability testing


Ordering Information

Part Number
Description
SFP-25G-ER-S
25GBASE-ER SFP28, 1310nm, LC Duplex, SMF, 40km


FAQ

What transmission distance does the SFP-25G-ER-S support?

The module supports transmission distances up to 40km over single-mode fiber.

Does the module support DOM/DDM?

Yes. Full Digital Optical Monitoring functionality is supported.

Which Cisco platforms are commonly used with this module?

It is widely deployed in Cisco Nexus, Catalyst, ASR, UCS, NCS, and MDS platforms.

Can this transceiver be customized for other brands?

Yes. Multi-vendor compatibility coding is available upon request.

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