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Brand > Cisco > Switches > Small Business > 250 Series > CBS250-48P-4G-AU

Cisco CBS250-48P-4G-AU Cbs250 Smart 48-Port Ge, Poe, 4X1G Sfp

The Cisco CBS250-48P-4G-AU is a high-performing smart switch featuring 48 Gigabit Ethernet ports with Power over Ethernet (PoE) and 4 additional 1G SFP uplink ports. It merges sophisticated network management capabilities with ease of use, making it ideal for small to medium-sized businesses. This switch supports advanced security features, ensuring a reliable and secure network environment. With intuitive web-based interfaces and energy-efficient technology, the CBS250-48P-4G-AU offers superior performance for diverse networking needs.

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Cisco CBS250-48P-4G-AU Cbs250 Smart 48-Port Ge, Poe, 4X1G Sfp


  • 48 Gigabit Ethernet Ports
  • Power over Ethernet (PoE) support
  • 4x 1G SFP uplink ports
  • Advanced network security features
  • Layer 2 switching
  • Quality of Service (QoS) for traffic prioritization
  • Energy-efficient design
  • Simple, flexible management options
  • Compact, rack-mountable design

Technical Specifications

  • Model: Cisco CBS250-48P-4G-AU
  • Port count: 48 x 10/100/1000 (Gigabit) Ethernet Ports
  • Uplink Ports: 4 x 1G SFP
  • PoE Standard: 802.3af/802.3at
  • Switching Capacity: 104 Gbps
  • Forwarding Rate: 77.38 Mpps
  • MAC Address Table Size: 16K entries
  • Number of VLANs: 256 active VLANs
  • Flash Memory: 256 MB
  • Memory: 512 MB
  • Weight: 3.65 kg
  • Dimensions: 440 x 200 x 44.45 mm
  • Power Supply: Built-in, with PoE power budget
  • Operating Temperature: 0°C to 40°C (32°F to 104°F)
  • Storage Temperature: -20°C to 70°C (-4°F to 158°F)
  • Operating Humidity: 10% to 90% non-condensing

Frequent Ask Questions

  • What are the key features of the Cisco CBS250-48P-4G-AU?

  • The key features of the Cisco CBS250-48P-4G-AU include 48 Gigabit Ethernet ports, Power over Ethernet (PoE) capabilities, and 4x1G SFP uplink ports. It is designed to provide a reliable and secure network foundation for small and medium-sized businesses.

  • What is PoE and how does it benefit this switch?

  • Power over Ethernet (PoE) allows the switch to provide power to network devices such as IP cameras, VoIP phones, and wireless access points through the Ethernet cables. This reduces the need for additional power sources and simplifies installation.

  • Does the Cisco CBS250-48P-4G-AU support VLANs?

  • Yes, the Cisco CBS250-48P-4G-AU supports Virtual Local Area Networks (VLANs). This helps in segmenting the network into different sections to improve performance and security.

  • Is this switch managed or unmanaged?

  • The Cisco CBS250-48P-4G-AU is a managed switch, allowing for greater control over network configurations, security policies, and troubleshooting.

  • What type of redundancy features does this switch offer?

  • The Cisco CBS250-48P-4G-AU offers several redundancy features such as Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), and Multiple Spanning Tree Protocol (MSTP) to ensure network reliability and prevent loop formations.

  • What are the security features of this switch?

  • The Cisco CBS250-48P-4G-AU includes a range of security features like Access Control Lists (ACLs), port security, DHCP snooping, and IP Source Guard to protect the network from unauthorized access and threats.

  • Can this switch be integrated into an existing network with other Cisco devices?

  • Yes, the Cisco CBS250-48P-4G-AU can be easily integrated into an existing network with other Cisco devices, offering seamless compatibility and integration due to its adherence to standard Cisco features and protocols.

  • What is the physical size and mounting options for this switch?

  • The Cisco CBS250-48P-4G-AU comes with a compact form factor suitable for mounting in a standard 19-inch rack, offering flexibility for various installation environments.

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