# Cisco CBS250-8T-E-2G > network switch **Wikidata**: [Q111108610](https://www.wikidata.org/wiki/Q111108610) **Source**: https://4ort.xyz/entity/cisco-cbs250-8t-e-2g ## Summary The Cisco CBS250-8T-E-2G is a network switch developed by Cisco, first released on June 1, 2020. Also known as the Cisco Business 250-8T-E-2G, it serves as a computer networking device that uses packet switching to forward data, functioning as a core component of network infrastructure. The device runs on a Marvell 88F6828 CPU and features a diverse set of connectivity options, including 10 8P8C modular ports and 2 small form-factor pluggable transceiver slots. ## Key Facts - **Developer:** Cisco - **Product Type:** Network switch (Instance of: network switch, software) - **Release Date:** June 1, 2020 - **Aliases:** Cisco Business 250-8T-E-2G, CBS250-8T-E-2G - **Processor:** Marvell 88F6828 - **Clock Frequency:** 800 MHz (base clock frequency) - **Memory:** 512 MiB RAM; 256 MiB NAND Flash - **Storage Device:** Cypress S34ML02G2 - **Connectors:** - 10 x 8P8C modular connector - 2 x Small form-factor pluggable transceiver - 1 x USB - 1 x USB Mini-B receptacle (System Console) - 1 x 8P8C modular connector (System Console) - **Latest Stable Version:** 3.5.0.26 (released January 10, 2025) ## FAQs ### Q: What hardware specifications does the Cisco CBS250-8T-E-2G include? A: The switch is powered by a Marvell 88F6828 CPU running at a base clock frequency of 800 MHz. It includes 512 MiB of random-access memory (RAM) and 256 MiB of NAND flash storage utilizing a Cypress S34ML02G2 device. ### Q: What types of connections and ports are available on this switch? A: The device features 10 8P8C modular connectors and 2 small form-factor pluggable (SFP) transceiver slots for network traffic. Additionally, it includes one USB port and two console ports: one USB Mini-B receptacle and one 8P8C modular connector. ### Q: What is the most recent firmware version available for the CBS250-8T-E-2G? A: As of the latest available data, the preferred stable version is 3.5.0.26, which was released on January 10, 2025. Previous stable versions include 3.5.0.24 and 3.4.0.17. ## Why It Matters The Cisco CBS250-8T-E-2G plays a significant role in computer networking as a device dedicated to packet switching, a fundamental process required for data communication across the Internet and local infrastructures. As a component of the Cisco Business 250 Series, it bridges the gap between unmanaged switches and more complex enterprise solutions, offering dedicated hardware capabilities such as a high-frequency Marvell processor and dedicated SFP slots for fiber uplinks. The device matters to IT professionals and businesses because it provides robust hardware specifications—including 512 MiB of RAM and 800 MHz processing power—necessary to handle modern network throughput and management tasks. Its inclusion of multiple console interfaces (USB and 8P8C) ensures flexibility in administration and maintenance. Furthermore, the active development lifecycle, evidenced by firmware updates extending into 2025, highlights its relevance as a supported and evolving piece of network infrastructure. ## Notable For - **Dual Console Interfaces:** Uniquely features both a USB Mini-B receptacle and an 8P8C modular connector dedicated to system console access. - **Active Support Lifecycle:** Maintains an active software update schedule with stable versions released as recently as January 2025. - **Specific Storage Integration:** Utilizes a specific Cypress S34ML02G2 component for its storage capabilities. - **High Memory Allocation:** Equipped with 512 MiB of RAM and 256 MiB of Flash, distinct specifications for a smart switch in its category. ## Body ### Hardware and Architecture The Cisco CBS250-8T-E-2G is built upon a Marvell 88F6828 central processing unit. This processor operates at a base clock frequency of 800 MHz. The system architecture includes 512 MiB of random-access memory (RAM) and 256 MiB of NAND flash storage for firmware and configuration retention. The specific storage component identified is the Cypress S34ML02G2. ### Connectivity and Ports The physical interface of the switch is designed for versatile network deployment. It offers a high density of network ports alongside management interfaces: - **Network Ports:** The unit provides 10 8P8C modular connectors (commonly known as RJ45) for copper ethernet connections and 2 small form-factor pluggable (SFP) transceiver slots for fiber or additional copper modules. - **Management Ports:** For system configuration and maintenance, the device includes a standard USB port, a USB Mini-B receptacle designated for the system console, and a dedicated 8P8C modular connector for the system console. ### Software Version History The device is supported by a distinct software release timeline, categorized by stable versions: - **Version 3.5.0.26:** Released on January 10, 2025, this is currently listed as the preferred stable version. - **Version 3.5.0.24:** Released on November 28, 2024. - **Version 3.4.0.17:** Released on December 22, 2023. - **Version 3.3.0.16:** Released on April 4, 2023. - **Version 3.2.1.1:** Released on March 2, 2023. The switch was initially published and released on June 1, 2020. ## References 1. [Source](https://www.cisco.com/c/en/us/support/switches/business-250-series-smart-switches/series.html#~tab-downloads) 2. [Source](https://software.cisco.com/download/home/286325861/type/282463182/release/3.2.1.1?i=!pp) 3. [Source](https://software.cisco.com/download/home/286325861/type/282463182/release/3.4.0.17?i=!pp) 4. [Source](https://software.cisco.com/download/home/286325870/type/282463182/release/3.5.0.24?i=!pp) 5. [Source](https://software.cisco.com/download/home/286325870/type/282463182/release/3.5.0.26?i=!pp) 6. [Source](https://www.cisco.com/c/en/us/support/switches/business-250-series-smart-switches/series.html) 7. [Cisco Business 250 Series Smart Switches Data Sheet. Cisco](https://www.cisco.com/c/en/us/products/collateral/switches/business-250-series-smart-switches/nb-06-bus250-smart-switch-ds-cte-en.html) 8. log entry