# Cisco CBS250-16T-2G

> Network Switch

**Wikidata**: [Q123714576](https://www.wikidata.org/wiki/Q123714576)  
**Source**: https://4ort.xyz/entity/cisco-cbs250-16t-2g

## Summary
The Cisco CBS250-16T-2G is a network switch developed by Cisco, first released on June 1, 2020. It functions as a computer networking device that uses packet switching to forward data and serves as a component of Internet infrastructure. The device is powered by a Marvell 88F6828 processor and features 16 ethernet ports along with 2 small form-factor pluggable (SFP) transceiver slots.

## Key Facts
- **Developer:** Cisco
- **Instance of:** Network switch, Software
- **Release Date:** June 1, 2020
- **Processor:** Marvell 88F6828
- **Clock Frequency:** 800 MHz (base clock frequency)
- **Memory:** 512 Mebibytes of Random-Access Memory (RAM)
- **Storage:** 256 Mebibytes of NAND Flash (Cypress S34ML02G2)
- **Ports:** 16 × 8P8C modular connectors, 2 × small form-factor pluggable transceiver slots
- **Management Ports:** 1 × USB, 1 × USB Mini-B receptacle, 1 × 8P8C modular connector (system console)
- **Latest Stable Version:** 3.5.0.26 (released January 10, 2025)

## FAQs
### Q: What hardware powers the Cisco CBS250-16T-2G?
A: The switch is equipped with a Marvell 88F6828 CPU running at a base clock frequency of 800 MHz. It also includes 512 MiB of RAM and 256 MiB of NAND flash storage utilizing a Cypress S34ML02G2 device.

### Q: What are the connectivity options for this switch?
A: The unit features 16 8P8C modular connectors for network traffic and 2 small form-factor pluggable transceiver slots. For management, it provides one USB port, one USB Mini-B receptacle, and a dedicated 8P8C connector for the system console.

### Q: Is the Cisco CBS250-16T-2G still supported with software updates?
A: Yes, the device is classified as software, indicating it receives firmware updates. The most recent stable version listed is 3.5.0.26, which was released on January 10, 2025.

## Why It Matters
The Cisco CBS250-16T-2G represents a specific segment of network infrastructure designed to facilitate data communication through packet switching. As a "network switch," it acts as a fundamental building block of computer networks and the Internet, directing data traffic between connected devices. Its significance lies in its role as a bridge between physical hardware and executable software components, managing data flow through its 16 primary ports while offering expansion capabilities via SFP slots.

The device is notable for its robust hardware specifications relative to its class, featuring a dedicated Marvell 88F6828 processor and 512 MiB of RAM. These specifications allow it to support a continuous cycle of stable software versions, with updates spanning from 2023 to early 2025. This ongoing support ensures that the hardware remains compatible with evolving network security standards and management protocols, solving the problem of reliable connectivity for small to medium-sized business environments.

## Notable For
- **Hardware Configuration:** Combines a Marvell 88F6828 processor with 512 MiB of RAM and specific Cypress S34ML02G2 flash storage.
- **Port Density:** Offers a specific mix of 16 8P8C ports and 2 SFP slots for fiber or copper uplinks.
- **Active Support Lifecycle:** Maintains a frequent update schedule, with multiple stable versions released between 2023 and 2025.
- **Console Redundancy:** Provides multiple console management options, including both USB and 8P8C interfaces.

## Body

### Hardware Specifications
The Cisco CBS250-16T-2G is built upon a Marvell 88F6828 central processing unit. This processor operates at a base clock frequency of 800 MHz. To support its operations, the device utilizes 512 mebibytes of random-access memory (RAM). Persistent storage is provided by a Cypress S34ML02G2 component, offering 256 mebibytes of NAND flash memory.

### Connectivity and Interface
The device is primarily classified as a network switch designed to forward data via packet switching. Its main data interfaces consist of 16 8P8C modular connectors and 2 small form-factor pluggable (SFP) transceiver slots. For system administration and debugging, the switch includes multiple console options: one USB port, one USB Mini-B receptacle, and a dedicated 8P8C modular connector configured as a system console.

### Software and Firmware
The entity is defined as both a network switch and software, indicating it relies on an internal operating system. The device has a documented history of stable software releases:
- **3.2.1.1:** Released March 2, 2023
- **3.3.0.16:** Released April 4, 2023
- **3.4.0.17:** Released December 22, 2023
- **3.5.0.24:** Released November 28, 2024
- **3.5.0.26:** Released January 10, 2025 (listed as preferred/stable)

### Development and Release
The CBS250-16T-2G was developed by Cisco. It was officially published or 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/286325870/type/282463182/release/3.4.0.17?i=!pp)
3. [Source](https://software.cisco.com/download/home/286325870/type/282463182/release/3.5.0247?i=!pp)
4. [Source](https://software.cisco.com/download/home/286325870/type/282463182/release/3.5.0.26?i=!pp)
5. [Source](https://www.cisco.com/c/en/us/support/switches/business-250-series-smart-switches/series.html)
6. [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)