Dell SFP28-25G-LR 25GbE SFP28 LR SMF Duplex LC Transceiver

Name: Dell SFP28-25G-LR 25GbE SFP28 LR SMF Duplex LC Transceiver
Brand: Dell
SKU: SFP28-25G-LR
Price: 130.20 USD
Availability: InStock
Rating: 5 (11 reviews)

Mfr. Part #: SFP28-25G-LR

Brand: Dell

Condition: Refurbished

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SFP28-25G-LR

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overview

SFP28-25G-LR Overview

DELL SFP28-25G-LR 25gbe Sfp28 Lr Smf Duplex Lc Transceiver Overview The DELLSFP28 Transceiver Delivers Fiber Connectivity To Extend The Range Of Your Network. This Hot-pluggable Transceiver With Sfp28 (small Form Factor Pluggable) Footprint Features A Duplex Lc Connector. The DELL Networking 25gbe Sfp28 Transceiver Provides 25gbe Connectivity. Additionally, It Provides A Unique Enhanced Digital Diagnostic Monitoring Interface, Which Allows Real-time Access To Device Operating Parameters Such As Transceiver Temperature, Laser Bias Current, Transmitted Optical Power, Received Optical Power, And Transceiver Supply Voltage. Tech Specs Device Type Optical Wave Length Optical Transceiver Up To 1310 Nm This Product Is Compatible With The Following Systems: Powerswitch E3200-on Series Powerswitch N2200-on Powerswitch N3200-on Powerswitch S3248t-on Powerswitch S5212f-on Powerswitch S5224f-on Powerswitch S5232f-on Powerswitch S5248f-on Powerswitch S5296f-on Powerswitch Z9664f-on Powerswitch Z9864f-on

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faqs

Frequently Asked Questions

What is the maximum reach of the Dell SFP28-25G-LR transceiver? +

The Dell SFP28-25G-LR is a long-reach (LR) transceiver designed for 25G Ethernet connectivity. It utilizes single-mode fiber to support data transmission distances of up to 10 kilometers. This makes it an ideal solution for extended campus backbones or inter-switch links where high bandwidth over longer distances is required.

Is the Dell SFP28-25G-LR compatible with non-Dell networking switches? +

While this module is engineered specifically for Dell EMC networking hardware, its SFP28 form factor adheres to standard industry specifications. However, for optimal performance and to avoid potential compatibility or firmware-related link errors, we strongly recommend deploying these transceivers within validated Dell switch environments to ensure seamless hardware handshake and monitoring.

Does the SFP28-25G-LR support backward compatibility with 10G SFP+ ports? +

This module is designed for 25Gbps throughput and typically does not support legacy 10G SFP+ ports. 25G SFP28 ports are often backward compatible with 10G modules, but the reverse is generally not true for 25G-specific LR transceivers. Always verify that your switch port configuration specifically supports 25G speeds before deployment.

What type of cabling is required for the Dell SFP28-25G-LR? +

This transceiver operates over single-mode fiber optic cabling, specifically utilizing an LC duplex connector interface. To maintain signal integrity and meet the 10km range specifications, you should use OS2 single-mode fiber patches. Using multi-mode fiber will not provide the necessary light transmission characteristics required for this long-reach optic.

What management features does the SFP28-25G-LR provide for monitoring? +

The module includes Digital Optical Monitoring (DOM) capabilities, often referred to as Digital Diagnostics Monitoring (DDM). This allows network administrators to monitor real-time parameters such as optical output power, input power, temperature, laser bias current, and transceiver supply voltage directly from the switch CLI or management platform for proactive troubleshooting.

What are the common deployment scenarios for this 25G long-reach module? +

The SFP28-25G-LR is primarily deployed in high-speed enterprise data centers and service provider environments. It is frequently used for high-density 25GbE top-of-rack switches connecting to aggregation layers, or for connecting remote distributed racks where a 10km link budget is necessary to overcome physical distance constraints in large campus network topologies.

How does the power consumption of this module impact switch thermal design? +

As an LR transceiver, this module is optimized for efficiency, though it consumes slightly more power than short-range (SR) optics due to the laser intensity required for 10km transmission. It fits standard SFP28 thermal envelopes, ensuring that as long as your switch is populated according to the manufacturer's thermal cooling guidelines, this module will operate reliably.

Does the SFP28-25G-LR require specific firmware updates on Dell switches? +

To ensure peak operational performance and correct identification of the transceiver by the switch operating system, keep your Dell switch firmware updated to the latest recommended release. Older firmware versions might not correctly identify the module's serial number or optical diagnostic data, potentially leading to port status errors or restrictive operational modes.

Can I request a bulk quote for multiple Dell SFP28-25G-LR units? +

Yes, BuyRouterSwitch.com specializes in supporting large-scale infrastructure projects. If you require a high volume of these transceivers for a data center rollout or enterprise network expansion, please contact our sales team. We can provide competitive bulk pricing and handle specific quantity requests to help you manage your procurement budget effectively.

Why should I choose BuyRouterSwitch.com for my Dell networking hardware? +

BuyRouterSwitch.com is a dedicated partner for enterprise network procurement. We prioritize authenticity and quality, ensuring that every module supplied meets stringent industry standards. Our procurement process is designed for reliability, making us the preferred choice for IT managers who need to source critical networking components securely and efficiently for their corporate environments.

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