Cisco SFP-25G-ER-I Industrial Temperature SFP Module

Name: Cisco SFP-25G-ER-I Industrial Temperature SFP Module
Brand: Cisco
SKU: SFP-25G-ER-I
Price: 319.00 USD
Availability: InStock
Rating: 5 (10 reviews)

Mfr. Part #: SFP-25G-ER-I

Brand: Cisco

Condition: Refurbished

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SFP-25G-ER-I

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overview

specifications

faqs

reviews

overview

SFP-25G-ER-I Overview

CISCO SFP-25G-ER-I 25 Gigabit 40km Smf Industrial Temperature Sfp Module. Key Information :

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specifications

Specifications

Overview

Condition	Refurbished
Brand	Cisco
Stock	In Stock

Key Information

Device Type	Transceiver
Form Factor	Sfp28
Cabling Type	Smf
Data Transfer Rate	25 Gbps
Wave Length	1310nm
Max Transfer Distance	40 Km

Networking

Data Link Protocol	Gigabit Ethernet

faqs

Frequently Asked Questions

What is the maximum transmission distance supported by the Cisco SFP-25G-ER-I module? +

The Cisco SFP-25G-ER-I is an Extended Range transceiver designed to support link lengths of up to 40 kilometers over single-mode fiber (SMF). This makes it an ideal solution for high-speed campus backbones or metropolitan area network interconnections requiring reach beyond the standard SR or LR distances.

Does the SFP-25G-ER-I support industrial temperature ranges? +

Yes, the suffix 'I' in the product SKU indicates that this module is rated for industrial temperature operation. It is built to perform reliably in environments that experience extreme thermal fluctuations, making it a robust choice for deployments in non-climate-controlled cabinets or outdoor enclosures.

Is the SFP-25G-ER-I backward compatible with 10G SFP+ ports? +

Compatibility depends entirely on the host platform's port capabilities. While some Cisco switches support dual-rate functionality, the SFP-25G-ER-I is specifically optimized for 25GbE operation. You should verify your specific switch model’s datasheet to confirm if the port supports down-clocking or fixed-speed configurations for 10G operation before installation.

What type of optical interface does the SFP-25G-ER-I utilize? +

This module features a standard LC duplex connector interface. It is engineered for use with single-mode fiber optic cabling, providing a precise and stable physical connection for 25G data transmission. Ensure you are using OS2 single-mode patch cables to maintain the integrity of your optical signal over the 40km reach.

What are the primary use cases for the Cisco SFP-25G-ER-I in an enterprise network? +

The SFP-25G-ER-I is primarily deployed in high-bandwidth environments that require long-haul connectivity between distribution and core layers. It is frequently used in service provider environments, large enterprise campuses, or distributed data centers where high-density 25G throughput is necessary over long distances that exceed the limitations of shorter-reach transceiver variants.

Does the SFP-25G-ER-I require specific software licensing on Cisco hardware? +

Generally, Cisco transceivers do not require individual software licenses to function; however, the host hardware must be running a software version that recognizes and supports the specific SFP28 module. We recommend checking the Cisco Transceiver Module Compatibility Matrix to ensure your switch firmware is updated to support this hardware component.

How do I manage or monitor the health of the SFP-25G-ER-I module? +

This module supports Digital Optical Monitoring (DOM), often referred to as Digital Diagnostics Monitoring (DDM). This allows network administrators to monitor real-time parameters such as optical input/output power, laser bias current, and transceiver temperature directly from the switch CLI. This proactive management helps identify potential signal degradation before it impacts your network performance.

What cabling infrastructure is required for optimal performance of the SFP-25G-ER-I? +

To achieve the full 40km reach, you must use high-quality single-mode fiber (SMF) cabling. Since this module uses laser-optimized transmission, it is critical to ensure that your fiber plant is clean and free of excessive patches or splices. Proper fiber management is essential to minimize insertion loss and maintain a stable link budget.

How can I obtain a bulk quote for multiple Cisco SFP-25G-ER-I units? +

If you are planning a large-scale deployment and require multiple SFP-25G-ER-I modules, contact the BuyRouterSwitch.com sales team directly. We specialize in providing competitive pricing for high-volume orders. Simply submit your requirements through our request-a-quote form, and our sales specialists will provide a tailored proposal to help you stay within your project budget.

Why should I purchase my Cisco hardware from BuyRouterSwitch.com? +

BuyRouterSwitch.com is a trusted source for authentic enterprise-grade networking equipment. We ensure a streamlined, secure procurement process for all our customers. By choosing us, you benefit from our extensive inventory and deep industry expertise, ensuring you receive the correct, high-quality components needed to maintain the reliability and performance of your mission-critical network infrastructure.

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