Cisco SF250-48-K9-NA 250 Series 48 Port Layer 2 Managed Switch
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SKU/MPN | Warranty | Price | Condition | You save |
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SF250-48-K9-NA | Six-Month (180 Days) | $344.80 | Excellent Refurbished | You save: $390.95 (53%) |
SF250-48-K9-NA | Six-Month (180 Days) | Contact us for a price | Factory-Sealed New Retail in Original Box (FSB) |
Product Overview of SF250-48-K9-NA
Manufacturer Details
- Manufacturer: Cisco Systems, Inc.
- Part Number: SF250-48-K9-NA
- Brand: Cisco
Product Series and Model
- Series: 250
- Model: SF250-48
- Product Type: Ethernet Switch
Ports and Interfaces
Total Network Ports
- Network Ports: 48
- Uplink Port: Yes
- Modular Design: Yes
- Stacking Port: No
Expansion and Slot Details
- Gigabit Ethernet Expansion Slots: 2
- Fast Ethernet Network Ports: 48
Media and Performance Capabilities
Supported Media Types
- Twisted Pair
- Optical Fiber
Ethernet Technologies
- Fast Ethernet
- Gigabit Ethernet
Network Technologies
- 10/100Base-TX
- 10/100/1000Base-TX
- 1000Base-X
Expansion Options
Expansion Slots
- Total Expansion Slots: 2
- Expansion Slot Type: SFP
- Shared SFP Slot: Yes
- Number of SFP Slots: 2
Networking and Management Features
Layer and Management Support
- Layer Supported: Layer 2
- Manageable: Yes
Power Specifications
Power Supply Information
- Power Source: Power Supply
- Redundant Power Supply Supported: No
Package Contents
- SF250-48 48-Port 10/100 Smart Switch
- Power Cord
- Mounting Kit
- Quick Start Guide
Number Of Ports: 48
The Cisco SF250-48-K9-NA Managed Switch is equipped with an impressive number of ports, totaling 48. This high port count makes it an excellent choice for businesses and organizations that require extensive network connectivity.
Increased Flexibility and Scalability
With 48 ports available, this managed switch offers users the flexibility to connect a wide range of devices to their network. Whether it's computers, printers, servers, or any other Ethernet-enabled devices, the SF250-48-K9-NA has more than enough capacity to accommodate them all.
Additionally, the large number of ports allows for easy expansion and scalability. As your business grows and your network requirements increase, you can effortlessly add more devices without worrying about running out of available ports.
Efficient Network Management
Having 48 ports at your disposal simplifies network management tasks. Each port can be assigned to a specific device or group of devices, making it easier to monitor and troubleshoot connectivity issues. This level of granularity helps network administrators quickly identify and resolve problems, ensuring optimal performance across the entire network.
Furthermore, the SF250-48-K9-NA supports advanced management features such as VLANs (Virtual Local Area Networks) and QoS (Quality of Service). VLANs allow you to segment your network into separate virtual networks, enhancing security and optimizing traffic flow. QoS enables you to prioritize critical applications or services, guaranteeing their performance even during peak usage.
Improved Network Performance
The 48 ports on this managed switch contribute to improved network performance. With more ports available, there is less congestion and contention for bandwidth. This translates into faster data transfer speeds and reduced latency for all connected devices.
In addition, the SF250-48-K9-NA supports Gigabit Ethernet, enabling data transmission at speeds up to 1000 Mbps. This high-speed connectivity ensures efficient transfer of large files, seamless video streaming, and smooth VoIP (Voice over Internet Protocol) communication.
Enhanced Productivity and Collaboration
By providing 48 ports, the Cisco SF250-48-K9-NA Managed Switch promotes enhanced productivity and collaboration among employees. With more devices connected to the network, team members can easily share resources and collaborate on projects without experiencing network bottlenecks or slowdowns.
For example, in an office environment, employees can quickly access shared files and databases, print documents from any connected printer, and communicate seamlessly using IP telephony systems. The high port count ensures that everyone can work efficiently without waiting for network resources to become available.
Cost-Effective Solution
The SF250-48-K9-NA offers a cost-effective solution for organizations looking to maximize their network connectivity. Instead of investing in multiple switches or additional networking infrastructure, businesses can consolidate their devices onto a single switch with 48 ports.
This consolidation not only saves on equipment costs but also reduces power consumption and simplifies network management. The streamlined setup and centralized control contribute to lower operational expenses and improve overall efficiency.
Layer: 2
The Cisco SF250-48-K9-NA Managed Switch operates at Layer 2 of the OSI (Open Systems Interconnection) model. This layer defines how data is transmitted between devices on the same network segment, focusing on local area networks (LANs).
Efficient Data Transfer
Operating at Layer 2 allows the SF250-48-K9-NA switch to efficiently transfer data between devices within the same network. By using MAC (Media Access Control) addresses, the switch can direct network traffic to the appropriate destination without the need for IP (Internet Protocol) addresses.
This means that even if devices on the network have different IP addresses, the switch can still facilitate communication between them. This capability is particularly useful when dealing with devices that do not use or support IP addresses, such as printers or legacy hardware.
Improved Network Security
Layer 2 switches like the SF250-48-K9-NA provide enhanced network security by implementing features such as MAC address filtering and port security. MAC address filtering allows network administrators to control which devices are allowed to connect to the network based on their MAC addresses.
Port security, on the other hand, enables administrators to specify the maximum number of MAC addresses that can be associated with a particular port. This prevents unauthorized devices from connecting to the network and helps mitigate potential security threats.
Simplified Network Design
By operating at Layer 2, the SF250-48-K9-NA simplifies network design and reduces complexity. It eliminates the need for routers or Layer 3 switches within a local network infrastructure, resulting in a more straightforward setup and reduced overall costs.
In addition, Layer 2 switches are typically plug-and-play devices, meaning they require minimal configuration. This ease of use allows businesses to quickly deploy and expand their networks without the need for extensive technical expertise or specialized training.
Mounting Type: Rack-mountable
The Cisco SF250-48-K9-NA Managed Switch is designed to be rack-mountable, making it an ideal choice for organizations that prefer a structured and organized network setup.
Space Efficiency
Rack-mountable switches like the SF250-48-K9-NA are space-efficient solutions, especially in data centers or server rooms where floor space is limited. These switches can be easily mounted in standard 19-inch racks, allowing for optimal space utilization.
By consolidating multiple devices into a rack, businesses can maximize their available space and reduce clutter. This organized setup simplifies cable management, improves airflow, and enhances overall accessibility for network maintenance and upgrades.
Scalability and Future-Proofing
The rack-mountable design of the SF250-48-K9-NA also facilitates scalability and future-proofing. As your network grows or technology advances, you can easily add or replace switches within the rack without disrupting the existing infrastructure.
This modular approach allows for seamless expansion and upgrades, ensuring that your network remains agile and adaptable to changing business needs. It also minimizes downtime during maintenance or hardware replacement, as individual switches can be accessed and serviced independently.
Centralized Network Management
Rack-mountable switches offer centralized control and management of network resources. With all switches housed in a single location, network administrators can easily monitor and configure the entire network from a central management console.
This centralized management capability simplifies tasks such as firmware updates, security configurations, and performance monitoring. It also streamlines troubleshooting efforts by providing a comprehensive view of the network topology and connected devices.