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Cisco 25GBASE SFP28 : A High Speed Networking Solution

August, 15 2023

Upasana

Cisco 25GBASE SFP28 : A High Speed Networking Solution

Data centres and corporate networks are under growing demand to improve bandwidth, data transmission speed, and port density in today’s fast-paced digital world. As a result of these difficulties, networking technology has advanced, with Cisco at the cutting edge of innovation. One such breakthrough is the Cisco 25GBASE SFP28, a high-speed networking solution that is changing the game for data centres and businesses alike. In this post, we’ll go over the specifics of the Cisco 25GBASE SFP28, such as its key features, benefits, and how it helps businesses remain ahead in the age of digital transformation.

Table of Contents:

Cisco 25GBASE SFP28
What exactly is Cisco 25GBASE SFP28?
Technical Features and benefits of Cisco 25G Modules
Cisco 25G Portfolio
Technical specifications
Environmental conditions
Warranty
Ordering information
Regulatory and standards compliance
Frequently Asked Questions

What exactly is Cisco 25GBASE SFP28?

Cisco 25GBASE SFP28 is a cutting-edge form factor designed for data transmission at 25 Gigabit Ethernet (25 Gbps). It expands on the well-known SFP+ (Small Form-Factor Pluggable) interface, allowing for faster data speeds. This technical innovation has been critical in satisfying the increasing needs for higher network performance, particularly in data centres and other high-performance computing settings.

 

Primary characteristics and benefits:

The Cisco 25GBASE SFP28 offers a substantial enhancement in data transmission speeds, reaching 25 Gbps, when compared to conventional 10 Gigabit Ethernet (10 Gbps) solutions. The expansion of available bandwidth addresses the escalating data demands of contemporary applications, facilitating more seamless operations and diminished latency.

The SFP28 form factor has been specifically engineered to possess a compact structure and exhibit energy-efficient characteristics. The compact dimensions of this technology provide a high density of ports on networking equipment, enabling organisations to optimise their network capabilities while preserving critical rack space.

25G Direct Attached Cables (DAC)

The Cisco 25GBASE SFP28, despite its operating speed of 25 Gbps, exhibits backward compatibility with SFP+ ports that operate at a lower speed of 10 Gbps. This particular characteristic guarantees a smooth incorporation into pre-existing infrastructure, providing a financially efficient option for organizations seeking to improve their network speeds without the need for a complete infrastructure revamp.

The Cisco 25GBASE SFP28 modules offer more versatility by accommodating both single-mode and multimode fibres. This allows network administrators to select the most suitable fibre type based on their individual deployment requirements. The module’s versatility allows for its broad applicability across a range of use situations.

The use of 25GBASE SFP28 offers a noteworthy enhancement in performance while maintaining cost efficiency. The considerable return on investment (ROI) associated with this option renders it a compelling selection for enterprises aiming to enhance the efficiency of their networking infrastructure.

25G Active Optical Cables (AOC)

The SFP28 technology is highly suitable for applications that require high bandwidth, such as video streaming, virtualization, cloud computing, and big data analytics. The primary objective is to guarantee that the network is capable of accommodating the requirements of various applications, all the while sustaining an ideal level of performance.

Technical Features and benefits of Cisco 25G Modules

  •     Interoperable with other IEEE-compliant 25G interfaces where applicable
  •     Certified and tested on Cisco SFP28 ports for superior performance, quality, and reliability
  •     High-speed connectivity compliant to IEEE 802.3by and IEEE 802.3cc

Technical specifications

Platform support

Cisco 25G transceivers are supported on Cisco switches.

SFP28 port cabling specifications

Optical transmit and receive specifications

Environmental conditions

Operating temperature range:

  •     Commercial temperature range: 0 to 70°C (32 to 158°F)
  •     Industrial temperature range: -40 to 85°C (-40 to 185°F)
  •     Storage temperature range: -40 to 85°C (-40 to 185°F)

Warranty

  •     Standard warranty: 5 years
  •     Expedited replacement available via a Cisco SMARTnet® Service support contract

Ordering information

The below provides the ordering information for Cisco 25G cables and transceivers.

Regulatory and standards compliance

Standards:

  •     SFF-8402: SFP+ 28 Gb/s 1x Pluggable Transceiver Solution (SFP28) – Rev 1.0 March 30, 2014
  •     SFF-8472: Diagnostic Monitoring Interface for Optical Transceivers – Rev 12 August 29, 2014
  •     IEEE 802.3– 2015 IEEE Standard for Ethernet
  •     IEEE P802.3by – 2016 Amendment 2: Media Access Control Parameters, Physical Layers, and Management Parameters for 25 Gb/s Operation
  •     IEEE P802.3cc – 2017 Amendment 11: Physical Layer and Management Parameters for Serial 25 Gb/s Ethernet Operation Over Single-Mode Fiber
  •     RoHS 6

Safety:

  •     Laser Class 1 21CFR-1040 LN#50 7/2001
  •     Laser Class 1 IEC60825-1
  •     Cable jacket of SFP copper modules is UL E116441 Compliant
  •     SFP copper cables are ELV Compliant

 

Share this article

Cisco 25GBASE SFP28 is a high-speed networking form factor that can transmit 25 Gigabit Ethernet data.

It provides ultra-fast data transfer, a small form size, backward compatibility, and increased flexibility

Yes, it is backward compatible with 10 Gbps SFP+ ports.

It is suited for high-bandwidth applications in data centres, business networks, and service providers.

It is compatible with both single-mode and multimode fibres.

Yes, it significantly increases data transmission speeds while decreasing latency and boosting overall network efficiency.

Yes, it provides exceptional performance at a reasonable cost, making it an appealing investment for businesses.

It is ideal for bandwidth-intensive applications such as video streaming and virtualization.

Its features may be used by a variety of businesses, including data centres, corporations, and service providers.

Yes, because of its high data rates and efficiency, it aids in the delivery of speedier and more dependable cloud services.

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