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Cisco SF250-48 Managed Ethernet Switch with 48x 100Mb/s Ports and 2x 1Gb/s Combo(RJ45/SFP)
Managed switch with 48 Fast Ethernet ports and 2 Gigabit uplink ports, supporting 10/100 Mbps and 1000 Mbps connectivity.
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Cisco SF250-48 Managed Ethernet Switch
The Cisco SF250‑48 is a robust Layer‑2 managed switch designed for small to medium‑sized networks that require reliable performance, advanced security features, and flexible management options. With 48 Fast Ethernet ports and two combo RJ45/SFP slots, it delivers high density connectivity while maintaining low power consumption and compact rack form factor.
Key Physical Characteristics
- Dimensions: 440 mm (length) × 44 mm (width) × 257 mm (height)
- Form Factor: Rack‑mountable, 1U height
- Color: Black chassis with intuitive LED indicators on the front panel
- Power Supply: Integrated AC input, 100–240 V, 50/60 Hz, no external PoE module required
- Power Consumption: 24.2 W (typical)
- Heat Dissipation: 82.57 BTU/h
- Operating Temperature: 10–90 % relative humidity, suitable for most indoor environments
- Storage Conditions: 10–90 % RH, ensuring long‑term reliability in varied climates
Port Configuration and Connectivity
- 48 x Fast Ethernet (100 Mbps) RJ45 Ports – Ideal for standard desktop, printer, or VoIP connections.
- 2 x Combo RJ45/SFP Slots – Each slot supports either a 1 Gbps copper RJ45 connection or an optical SFP transceiver, providing flexible uplink options.
- Supported Media: Twisted Pair (Cat5e or higher for Gigabit) and fiber via SFP modules.
- Jumbo Frames: Up to 9 000 bytes, enhancing throughput for large data transfers such as backup traffic or media streaming.
Layer‑2 Switching Capabilities
- Switching Layer: L2 only, focused on efficient VLAN and MAC table management.
- MAC Table Size: 8 000 entries, sufficient for dense enterprise environments.
- Forwarding Rate: 13.1 Mpps (million packets per second), ensuring minimal latency under load.
- Head‑of‑Line Blocking Prevention: Built‑in mechanisms to avoid packet starvation in congested queues.
VLAN and Security Features
- Maximum VLANs Supported: 256, allowing granular segmentation of network traffic.
- VLAN Types: Tagged VLAN (802.1Q) and Port‑Based VLAN for flexible policy enforcement.
- Security Algorithms: 802.1x RADIUS authentication, HTTPS, SSH, SSL/TLS for secure management.
- Port‑Based Authentication: Enforces user or device identity before granting network access.
Management and Protocol Support
- Web Interface: Built‑in configuration tool accessible via HTTP/HTTPS, supporting both basic and advanced modes for maximum performance tuning.
- CLI Access: Command Line Interface available over SSH or Telnet for scripted automation.
- SNMP Support: SNMP v1/v2c/v3 with full MIB coverage (including lldp-MIB, rfc1215, and many Cisco‑specific extensions).
- RMON & IPv4/IPv6 Monitoring: Comprehensive network monitoring capabilities.
- SNTP: Time synchronization for accurate logging and event correlation.
- Firmware Update Options: Web browser (HTTP/HTTPS) or TFTP, with dual‑image support for seamless upgrades.
Advanced Switching Protocols
- STP / RSTP / MSTP: Standard and rapid spanning tree protocols to prevent loops.
- LACP (Link Aggregation Control Protocol): Enables port aggregation for increased bandwidth and redundancy.
- IGMP 1/2/3: Multicast group management, supporting up to 4 000 filtered groups.
- MSTP Configuration: Supports multiple spanning tree instances for complex topologies.
Memory and Storage Specifications
- Flash Memory: 256 MB – stores firmware images, configuration files, and logs.
- Internal RAM: 512 MB – provides fast access for operating system processes.
- Packet Buffer (Memory Intermedia de Paquetes): 24 MB – ensures smooth packet handling during peak traffic.
USB Connectivity
- USB 2.0 Port: One USB Type‑A socket on the front panel allows for easy file and image management, firmware updates, or backup of configuration data.
Operating System Compatibility
The switch can be managed from any modern operating system that supports standard network protocols:
- Windows – Latest versions with compatible web browsers (Firefox ≥36, IE ≥9, Chrome ≥40, Safari ≥5).
- Linux – Any distribution providing a TCP/IP stack and a supported browser.
- macOS X – Full compatibility via native browsers.
Compliance and Certifications
- UL 60950, CSA 22.2, CE Mark, FCC Part 15 (Class A) – Ensures safety, electromagnetic compatibility, and regulatory compliance across multiple regions.
- Harmonized System Code: 85176990 – Classification for customs and trade purposes.
Performance Metrics
- Mean Time Between Failures (MTBF): Approximately 256 281.25 hours, indicating high reliability over long operational periods.
- Maximum Number of Queues: Four queues per port for traffic prioritization and QoS handling.
- Supported Ethernet Standards: IEEE 802.3 (Base‑T), 802.3ab (100 Mbps), 802.3u (Fast Ethernet), 802.3x, 802.3z, and more.
Use Cases and Deployment Scenarios
- Small Office / Branch Network: Provides a dense port count with managed features for VLAN segmentation and security.
- Campus LAN Backbone: The combo RJ45/SFP slots allow flexible uplink options to core switches or routers.
- Data Center Edge Switch: Low power consumption and high forwarding rate make it suitable for edge connectivity in a rack‑mounted environment.
- Industrial Control Systems: Robust build, extensive protocol support, and reliable operation under varying environmental conditions.
Conclusion
The Cisco SF250‑48 Managed Ethernet Switch combines high port density, advanced Layer‑2 features, comprehensive security options, and flexible management tools in a compact 1U rack unit. Its low power profile, extensive protocol support, and proven reliability make it an ideal choice for organizations seeking a dependable foundation for their network infrastructure.
| This product in Comparor | |
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Category
This product is cataloged in our store in these categories
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- Network hubs and switches |
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International
Find this product in one of our international stores
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 639.46 EUR  425.94 EUR  419.64 EUR  |
| Colors
Predominant colors of the product |
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| Tags | Power over Ethernet Ethernet ports Series switches Cisco SF250-48 IP telephony QoS features Cisco wireless solutions Smart Fast Ethernet switch Cisco switch Connectivity to computers |
| Identifiers | |
| Brand |  Cisco is a technology company that provides networking, telecommunications, and security products and services. The company was founded in 1984 and is headquartered in San Jose, California. |
| Model | Cisco SF250-48-K9-EU |
| MPN | Cisco SF250-48-K9-EU |
| ID | 10463653 |
| Dimensions / Weight | |
| Key Features | |
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Authentication A list of authentication mechanisms that a network device can use to verify users or devices, such as Guest VLAN, Port-based authentication, MAC-based authentication, Web-based authentication, Captive Portal, and Auto VLAN. The values are comma‑separated strings representing each supported method.
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Port-based authentication |
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Authentication type The authentication mechanisms supported by a network device or access control system. Common values include RADIUS, IEEE 802.1x, HWTACACS+, AAA, and combinations of these protocols. The attribute lists all enabled methods, separated by commas.
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RADIUS |
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Buttons The total count of physical and programmable button controls available on a device, such as a router, switch, or mouse. This value indicates how many distinct actions the user can trigger directly from the hardware.
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Reset button |
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Cables included A list of the cable types that are supplied with the product, such as USB, HDMI, VGA, DisplayPort, LAN (RJ‑45), SATA, audio or other relevant connectors.
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AC |
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Cabling The category of copper Ethernet cable that the product supports, such as Cat5e, Cat6, or higher. It indicates the minimum cable specification required for optimal performance and compatibility.
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UTP category 5 or higher for 10BASE-T/100BASE-TXUTP category 5e or higher for 1000BASE-T |
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Certificates A list of official certifications and regulatory approvals that a product has obtained or is eligible for, such as CE, UL, FCC, VDE, IMQ, RoHS, ENERGY STAR, and other recognized standards.
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UL (UL 60950), CSA (CSA 22.2), CE, FCC Part 15 (CFR 47) Class A |
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Colour The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.
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Black |
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Compatible operating systems A list of operating system names and versions that the product can run or support, including specific architectures when relevant. Each value represents a distinct OS that is compatible with the hardware or software.
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Microsoft Windows, Linux, Mac OS X |
| CPU | 800 MHz ARM |
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DHCP features A comma‑separated list of the DHCP roles and options that a device can provide or use, such as server, client, relay, snooping, option 82 support, and IPv6 variants. The value may contain multiple items for a single product.
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DHCP server,DHCP client |
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Dimensions The pixel dimensions of a display or image, expressed as width by height (e.g., 1920x1080). It indicates how many pixels are used to render the visual content and is commonly used for monitors, TVs, smartphones, cameras, and digital images.
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440 mm x 44 mm x 257 mm |
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Ethernet technology Specifies the type of wired Ethernet interface supported by a device, such as Gigabit Ethernet, 10 GbE, Fast Ethernet, or other variants. The value is a free‑text label that identifies the standard or generation of the Ethernet port(s) available on the product.
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Fast Ethernet |
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Expansion slots The total count of physical expansion slots available on a device for installing additional modules or peripherals such as PCI‑Express cards, M.2 drives, USB adapters, or other expansion hardware. It indicates how many separate slots can be used simultaneously or swapped between the product and other devices.
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48 x Fast Ethernet Network |
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Flash memory The total amount of internal flash memory available in a device, expressed as a data size (e.g., megabytes or gigabytes). This attribute indicates how much data can be stored on the device’s built‑in flash storage and is useful for comparing storage capacity across products.
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256 MB |
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Harmonized System HS code The Harmonized System (HS) code is a standardized numerical identifier used internationally to classify traded goods. It consists of up to six digits, where each pair of digits represents progressively more specific product categories. The HS code facilitates customs duties, trade statistics, and regulatory compliance by providing a common language for describing products across borders.
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85176990 |
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Head-of-line HOL blocking Indicates whether the product implements mechanisms to prevent head‑of‑line (HOL) blocking, a network performance issue where a single packet or flow delays subsequent traffic on the same path. A value of "Yes" means the device includes such mitigation features; "No" indicates it does not.
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Prevention of HOL blockades |
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Installed SFP modules quantity The total number of Small Form-factor Pluggable (SFP) transceiver modules that are physically installed in a networking device such as a switch, router or hub. This count indicates how many SFP slots are populated and can be used for fiber or copper uplinks.
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2 |
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Jumbo frames The largest Ethernet frame size in bytes that the device can transmit or receive without fragmentation. This value determines the maximum payload that can be sent in a single network packet, which can improve throughput for high‑bandwidth applications.
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9 |
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Management A list of the network interfaces and protocols that a device can use for configuration, monitoring and remote management, such as web‑based GUI (HTTP/HTTPS), command‑line interface (CLI) via Telnet or SSH, SNMP, or other standard protocols. Each entry represents one supported method, allowing users to understand how they can access the device remotely.
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By web browser,CLI - Command Line Interface, |
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Management protocols A list of network protocols that a device can use for configuration, monitoring and remote management, such as SNMP, HTTP/HTTPS, Telnet, SSH or other standard interfaces. Each protocol is represented by its common name and may be separated by commas or slashes in the source data.
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HTTP/HTTPS, SNMP v1/2c/3, MIB, RMON, IPv4/IPv6, SNTP |
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Media type supported The physical medium used by the network cable or transceiver, such as twisted pair copper or optical fiber. This attribute indicates which types of cabling are compatible with the device and helps users select the appropriate cable for their networking setup.
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Twisted Pair |
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Network technology The type of network interface or protocol supported by the product, such as wired Ethernet standards (e.g., 10/100Base‑T, 1000Base‑T, 10GBase‑T) or wireless technologies (e.g., Wi‑Fi, Bluetooth). It indicates the primary networking capability that can be used for data transmission.
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10/100Base-TX |
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Number of multicast groups filtered The total count of distinct multicast groups whose traffic is filtered by the device. This value indicates how many separate multicast group addresses are actively blocked or managed, providing insight into network filtering capabilities.
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4000 |
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On/off switch Indicates whether the product includes an on/off switch that allows the user to power it on or off manually.
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Y |
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Power The electrical power rating of a product, expressed in watts (W). It indicates how much energy the device consumes during operation or how much power it can deliver to connected equipment.
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Without PoE |
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Power supply The electrical power consumption or output of the product, expressed in watts (W). It indicates how much energy the device uses during operation or how much power it can deliver to connected equipment.
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Input 100 to 240 V, 50 to 60 Hz, internal, integrated |
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RJ-45 ethernet ports type Indica los estándares o velocidades que soportan los puertos RJ‑45 presentes en el producto, como Fast Ethernet (10/100 Mbps), Gigabit Ethernet (1 Gbps) o 10 Gigabit Ethernet. Cada valor describe una capacidad específica del conector y permite comparar la compatibilidad de red entre dispositivos.
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100 ) |
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Security algorithms A list of cryptographic and authentication methods that a device can use for secure communication or data protection. Each entry represents a distinct algorithm or protocol, such as encryption ciphers (e.g., AES, WEP), authentication mechanisms (e.g., RADIUS, WPA‑PSK), or network security protocols (e.g., HTTPS, SSL/TLS). The values are typically separated by commas and may include both technical identifiers and consumer‑friendly labels.
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802.1x RADIUS,HTTPS,SSH,SSL/TLS |
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Switch type The classification of a network switch based on its management capabilities, such as Managed or Unmanaged. This attribute indicates whether the device can be configured and monitored remotely (Managed) or operates with fixed settings without remote configuration (Unmanaged). It helps users choose a switch that matches their networking expertise and control requirements.
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Managed |
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Switching protocols A list of network switching protocols that the device can use or support, such as STP, RSTP, MSTP, LACP, IGMP, and related link‑layer protocols. The value is a comma‑separated string of protocol names, allowing users to see which switching mechanisms are available on the product.
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STP, RSTP, MSTP, LACP, IGMP 1/2/3 |
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Total Number of Ports The total count of Ethernet or other networking interfaces available on the device, expressed as a simple integer or a descriptive string that lists port types and quantities (e.g., "48 x Gigabit Ethernet + 4 x 10 Gigabit Ethernet"). This attribute indicates how many network connections the product can support.
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48 x Fast Ethernet + 4 x Gigabit Ethernet |
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Type of case The general form or configuration of a product’s outer enclosure, such as desktop, rack‑mount, backpack, or other case styles. It indicates how the item is intended to be used or installed and helps buyers compare products with similar physical layouts.
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Rack (1U) |
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USB connector The physical interface of the main USB port on a device, such as USB‑A, USB‑B, USB‑C, Micro‑USB or Mini‑USB. It indicates the shape and electrical characteristics that determine compatibility with cables, adapters and peripherals.
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USB Type A socket on the front panel of the switch makes it easy to manage files and images |
| Virtual LAN features | Tagged VLAN,Port-based VLAN |
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