Cisco CBS350-24P-4G 24 Ports Switch
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Cisco CBS350-24P-4G 24 Ports SFP Switch Gigabit Ethernet Refurbished

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Part Number#: CBS350-24P-4G
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Short Description:
CBS350-24P-4G Business 350 Series 24 Ports Power Over Ethernet Plus (PoE+) Small Form-Factor Pluggable (SFP) Managed Rack Mountable Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of the Cisco 24 Ports SFP Switch

In the dynamic landscape of networking equipment, the Cisco CBS350-24P-4G stands out as a reliable and feature-rich 24-port SFP Switch. Part of the Gigabit Ethernet Business 350 Series, this Layer 2 switch is designed to meet the demands of modern business networks. This comprehensive guide will delve into the various aspects of the Cisco CBS350-24P-4G, exploring its key features, specifications, benefits, and use cases.

Key Features

24 Ports for SFP Connectivity

The Cisco CBS350-24P-4G comes equipped with 24 ports Switch specifically designed for Small Form-Factor Pluggable (SFP) modules. This feature allows for versatile connectivity options, accommodating various network configurations and facilitating high-speed data transmission.

Gigabit Ethernet Speed

The switch operates at Gigabit Ethernet speeds, ensuring swift and reliable data transfer within the network. This is particularly beneficial for businesses and organizations requiring a robust infrastructure to handle bandwidth-intensive tasks and applications.

Business 350 Series

As a part of Cisco's Business 350 Series, the CBS350-24P-4G is tailored to meet the networking needs of small to medium-sized businesses. The series emphasizes performance, security, and ease of use, making it an ideal choice for organizations seeking a cost-effective yet efficient networking solution.

Power over Ethernet (PoE)

The switch supports Power over Ethernet (PoE), providing power to connected devices such as IP cameras, VoIP phones, and wireless access points through the Ethernet cable. This eliminates the need for separate power sources and simplifies the deployment of networked devices.

Energy-Efficient Design

Cisco prioritizes energy efficiency in the CBS350-24P-4G, contributing to lower operational costs and reduced environmental impact. Features such as Energy-Efficient Ethernet (EEE) and a fanless design enhance the overall sustainability of the switch.

Advanced Security Features

Security is a paramount concern in modern networks. The Cisco CBS350-24P-4G incorporates advanced security features, including port security, access control lists (ACLs), and secure management protocols, safeguarding the network against unauthorized access and potential threats.


Switching Capacity

The CBS350-24P-4G boasts a substantial switching capacity, enabling efficient data routing and forwarding within the network. This is vital for maintaining optimal performance, especially in environments with high data traffic.

Layer 2 and Layer 3 Functionality

With both Layer 2 and Layer 3 capabilities, this Cisco switch supports advanced networking features, including VLANs, inter-VLAN routing, and dynamic routing protocols. This versatility makes it adaptable to a wide range of network architectures.

Quality of Service (QoS)

The implementation of QoS features allows the prioritization of network traffic, ensuring that critical applications receive the necessary bandwidth for seamless operation. This is essential for maintaining a consistent user experience and overall network performance.

Form Factor and Rack-Mountable Design

The switch comes in a compact form factor, making it suitable for deployment in various settings. Its rack-mountable design enhances convenience, especially in data center environments where space optimization is crucial.

Comprehensive Options

Cisco provides robust management options for the CBS350-24P-4G, including a web-based interface, command-line interface (CLI), and support for Simple Network Management Protocol (SNMP). This allows administrators to monitor and configure the switch efficiently.



The 24 ports with SFP connectivity make the CBS350-24P-4G highly scalable, accommodating the evolving needs of a growing network. Businesses can easily expand their infrastructure without compromising performance.

Reliability and Performance

Leveraging Gigabit Ethernet speeds and advanced networking features, this Cisco switch ensures reliable and high-performance connectivity. It is well-suited for bandwidth-intensive applications, making it an ideal choice for modern businesses.

Simplified Deployment

The support for PoE simplifies the deployment of networked devices by eliminating the need for separate power sources. This is particularly advantageous in scenarios where devices are located in remote or hard-to-reach areas.

Enhanced Security

The advanced security features integrated into the CBS350-24P-4G enhance the overall security posture of the network. Businesses can rest assured that their data and communications are protected against potential threats.

Cost-Effective Solution

As part of the Business 350 Series, this Cisco switch offers a cost-effective solution for small to medium-sized businesses. It delivers enterprise-level performance without the hefty price tag, making it an attractive option for budget-conscious organizations.

Use Cases

Small to Medium-Sized Businesses (SMBs)

The Cisco CBS350-24P-4G is tailor-made for SMBs looking to establish a reliable and efficient network infrastructure. Its scalability, advanced features, and cost-effectiveness make it an ideal choice for businesses with moderate networking requirements.

IP Surveillance Systems

With PoE support, this switch is well-suited for IP surveillance systems. It simplifies the deployment of IP cameras by providing both data connectivity and power through a single Ethernet cable.

VoIP Deployments

Businesses implementing Voice over Internet Protocol (VoIP) systems can benefit from the CBS350-24P-4G's PoE capabilities, ensuring a streamlined and straightforward deployment of VoIP phones.

Data Centers and Server Rooms

The compact form factor and rack-mountable design make this switch suitable for deployment in data centers and server rooms. Its high switching capacity and advanced features contribute to the efficient management of data traffic in these environments.

Maximizing Network Performance

There are several ways to maximize the network performance of the CBS350-24P-4G Cisco 24 Ports Business 350 Series PoE+ SFP Switch:

  • Utilize Quality of Service (QoS) features: The switch has QoS features that can be used to prioritize certain types of network traffic, such as voice or video, to ensure that they are delivered with the best possible quality. This can help to minimize network congestion and improve the overall performance of the network.
  • Use the correct type of SFP transceiver: The switch has SFP ports that can be used to connect to fiber or copper network uplinks. Using the correct type of SFP transceiver for the type of connection can help to ensure that the network is running at its optimal speed.
  • Utilize VLANs: VLANs can be used to segment the network into smaller, more manageable units. This can help to improve network performance by isolating network traffic and reducing broadcast traffic.
  • Ensure proper cable connections: Proper cable connections are crucial for achieving optimal network performance. Make sure that all cables are properly connected, and that they are of the appropriate length and quality.
  • Use the latest firmware: Keep the switch updated with the latest firmware version. Firmware updates often include performance improvements, bug fixes, and new features that can help to optimize the switch's performance.

Power and Energy Efficiency

The CBS350-24P-4G Cisco 24 Ports Business 350 Series PoE+ SFP Switch supports Power over Ethernet Plus (PoE+), which is a more advanced version of Power over Ethernet (PoE) that can provide up to 30 watts of power per port. This allows the switch to power connected devices, such as IP phones and wireless access points, through the Ethernet cables, eliminating the need for separate power cables.

  • In addition to PoE+, the switch also has energy-efficient features that can help to minimize power consumption and reduce energy costs. Some of these features include:
  • Energy-Efficient Ethernet (EEE): This feature reduces the power consumption of the switch during periods of low network activity.
  • Power-saving mode: The switch can be configured to enter a power-saving mode when it is not in use, which can help to reduce energy consumption.
  • Power-over-Ethernet Scheduling: It allows scheduling the PoE power on/off for the switch port, this feature is useful for devices that only require power in specific periods.
  • Power-saving option for SFP transceivers: Some SFP transceivers have a power-saving option that can be enabled to reduce energy consumption.
  • Smart Power Management: The switch can be managed by Cisco EnergyWise which is a technology that allows to measure and monitor the energy consumption of the switch and other network devices.

General Information about the Cisco CBS350-24P-4G

  • Manufacturer: Cisco
  • Part Number or SKU# CBS350-24P-4G
  • Product Type: Ethernet Switch
  • Product Series: 350

Technical Details of the 24-Port Switch

  • Total Network Ports: 24
  • Gigabit Ethernet Expansion Slots: 4 (4 x Gigabit Ethernet)
  • Media Types Supported: Optical Fiber, Twisted Pair
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 1000Base-X

I/O Expansions

  • Total Expansion Slots: 4
  • Expansion Slot Type: SFP (mini-GBIC)
  • Shared SFP Slot: No
  • Number of SFP Slots: 4

Network & Communication

  • Layer Supported: 2
  • Management & Protocols
  • Manageable: Yes

Power Description

  • PoE (RJ-45) Port: Yes
  • PoE Budget: 195 W
  • Power Source: Power Supply, PoE+
  • Power Consumption: 33.09 W


  • Switching Capacity: 56 Gbps
  • Forwarding Performance (64-byte Packet Size): 41.66 Mpps
  • Link Aggregation Groups: 8
  • VLANs Supported: 4094
  • Buffer Capacity (MB): 1.5 MB
Other Specifications
  • Mac Address Table Size: 16k Entries
  • Jumbo Frame Support: 2KB
  • Routing Protocol: IGMP, Policy-based Routing (PBR), CIDR
  • Remote Management Protocol: SNMP 1, RMON, SNMP 3, SNMP 2c, SSH, SSH-2, ICMP
  • Encryption Algorithm: SSL
  • Authentication Method: Secure Shell (SSH), RADIUS, TACACS+
  • DHCP Support, ARP Support, VLAN Support, DoS Attack Prevention, Spanning Tree Protocol (STP) Support, Multiple STP (MSTP) Support, and more.
  • Compliant Standards
  • IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1d, IEEE 802.1q, IEEE 802.3ab, and more.
Processor, Memory, and Flash
  • Processor: ARM, 800 MHz
  • RAM: 512 MB
  • Flash Memory: 256 MB
  • Status Indicators
Expansion / Connectivity
  • Interfaces:
  • 24 x 10/100/1000 Base-T RJ-45 PoE+
  • 4 x 1000Base-X SFP
  • 1 x Console (USB) Type B
  • 1 x USB Type A
  • 1 x Console RJ-45
Power Details
  • Power Device: Internal Power Supply
  • Voltage Required: AC 120/230 V (50/60 Hz)

In summary, the Cisco CBS350-24P-4G stands as a robust and versatile networking solution within the Gigabit Ethernet Business 350 Series. With its 24 ports for SFP connectivity, Gigabit Ethernet speed, PoE support, and advanced security features, this switch caters to the diverse needs of modern businesses. Whether you're aiming for scalability, reliability, or cost-effectiveness, the Cisco CBS350-24P-4G emerges as a compelling choice for building a resilient and high-performance network infrastructure.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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