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Cisco CBS250-24T-4XNA-RF 250 Series Managed Ethernet Switch - 24 Port Gigabit + 4 SFP+ Uplinks - Layer 2 - Rack-Mountable
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Product Features
Technical Overview
This Cisco switch operates at Layer 2, offering a full suite of managed features including IGMP snooping, port mirroring, and spanning tree protocol for network stability and traffic control. The four dedicated SFP+ slots support 10 Gigabit Ethernet connections, enabling high-bandwidth uplinks to core switches or servers without sharing bandwidth with the RJ-45 ports.
The internal power supply delivers stable voltage with a typical consumption of 27.54 watts. While the switch does not provide Power over Ethernet, its efficient design minimizes heat output and operational costs. Network administrators can configure and monitor the switch through a web interface or command-line tools for granular control over network policies and performance.
Relevant factors for this section include Total Number of Network Ports, Network (RJ-45), Uplink Port, Media Type Supported. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The rack-mountable design with a compact 1U height saves valuable rack space while providing professional cable management. The switch's lifetime warranty underscores its durability and Cisco's commitment to long-term reliability in business environments.
Scalable Uplink Capacity
Four SFP+ slots allow for 10GbE fiber or copper uplinks, providing ample bandwidth for aggregating traffic from the 24 Gigabit ports and future-proofing network backbone connections.
- Dedicated uplink slots prevent congestion
- Supports long-distance fiber runs
- Enables high-speed server or core switch links
Enterprise-Grade Management
Full Layer 2 management capabilities give IT teams control over VLANs, QoS, security, and monitoring, ensuring optimized network performance and simplified troubleshooting.
- IGMP snooping for efficient multicast
- Port mirroring for traffic analysis
- Spanning tree for loop prevention
Deployment / Use Cases
This switch is ideal for small to medium business networks requiring managed switching with growth capacity. Its 24 Gigabit ports suit office environments connecting desktops, IP phones, and wireless access points, while the SFP+ uplinks enable seamless integration into larger network infrastructures.
Common deployment scenarios include acting as an access layer switch in branch offices, serving as a distribution switch in retail or education networks, or providing connectivity in light industrial settings where reliable wired networking is essential.
Branch Office Networking
Deploy as the main switch in remote offices, offering enough ports for local devices and high-speed uplinks back to corporate headquarters via fiber.
Server Room Access Layer
Connect servers and storage devices in a rack, using the SFP+ ports for low-latency inter-switch links or uplinks to core networking gear.
Physical Profile
The switch measures 1.70 inches in height, 17.50 inches in width, and 9.40 inches in depth, fitting standard 19-inch rack enclosures with front-to-back airflow. Its weight of 6.13 pounds makes it easy to install and maneuver in rack configurations. The all-metal construction ensures durability, while the integrated mounting brackets facilitate secure installation in network cabinets or open racks.
- Width
- 17.50" (444.50 mm)
- Depth
- 9.40" (238.76 mm)
- Height
- 1.70" (43.18 mm)
- Weight
- 6.13 lb (2780.52 g)
Highlights
- 24 Gigabit Ethernet RJ-45 ports for high-density device connectivity
- Four 10 Gigabit SFP+ uplink slots for high-speed backbone or fiber links
- Layer 2 managed switching with IGMP snooping, port mirroring, and spanning tree
- Rack-mountable 1U form factor for standard 19-inch cabinet installation
- Maximum data transfer rate of 1.25 GB/s for efficient network throughput
- Supports both twisted pair and optical fiber media types
- Internal power supply with 27.54 W typical power consumption
- Lifetime limited warranty for long-term reliability assurance
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CBS250-24T-4XNA-RF |
| Brand Name | Cisco |
| Product Series | 250 |
| Product Model | CBS250-24T-4X |
| Product Name | 250 CBS250-24T-4X Ethernet Switch |
| Product Condition | Refurbished |
| Product Type | Ethernet Switch |
| Interfaces/Ports | |
| Total Number of Network Ports | 24 |
| Network (RJ-45) | Yes |
| Uplink Port | Yes |
| Modular | Yes |
| Port/Expansion Slot Details | 24 x Gigabit Ethernet RJ-45 Network Port,4 x 10 Gigabit Ethernet SFP+ Expansion Slot |
| Media & Performance | |
| Media Type Supported | Optical Fiber,Twisted Pair |
| Ethernet Technology | Gigabit Ethernet,10 Gigabit Ethernet |
| Network Technology | 1000Base-T,10GBase-X |
| Maximum Data Transfer Rate | 1.25 GB/s |
| I/O Expansions | |
| Total Number of Expansion Slots | 4 |
| Expansion Slot Type | SFP+ |
| Shared SFP Slot | No |
| Number of SFP+ Slots | 4 |
| Network & Communication | |
| Layer Supported | 2 |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| PoE (RJ-45) Port | No |
| Power Source | Power Supply |
| Power Consumption | 27.54 W |
| Physical Characteristics | |
| Form Factor | Rack-mountable |
| Height | 1.70" (43.18 mm) |
| Width | 17.50" (444.50 mm) |
| Depth | 9.40" (238.76 mm) |
| Weight (Approximate) | 6.13 lb (2780.52 g) |
| Miscellaneous | |
| Environmental Compliance | Waste Electrical and Electronic Equipment Directive (WEEE) |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | Lifetime |
User Manual
FAQ
How many ports does this Cisco switch have, and what types are they?
The Cisco CBS250-24T-4X provides 24 Gigabit Ethernet RJ-45 ports for connecting standard network devices like computers and printers. Additionally, it includes four SFP+ expansion slots that support 10 Gigabit Ethernet connections, which can be used for high-speed uplinks via fiber optic or copper SFP+ modules.
Is this switch manageable, and what Layer does it operate at?
Yes, this is a fully manageable Layer 2 switch. It offers a comprehensive set of management features including VLAN support, Quality of Service (QoS), port mirroring for traffic analysis, IGMP snooping for efficient multicast handling, and spanning tree protocol for network loop prevention. Administrators can configure it through a web interface or CLI.
Can this switch provide Power over Ethernet (PoE) to connected devices?
No, this switch does not support Power over Ethernet. The RJ-45 ports deliver data connectivity only, so any devices requiring PoE, such as IP phones or wireless access points, will need separate power sources or injectors. The switch itself is powered by an internal AC power supply.
What are the SFP+ slots used for, and how many are available?
The switch has four dedicated SFP+ slots that support 10 Gigabit Ethernet connections. These slots are typically used for uplinks to core switches, servers, or other network segments, allowing for higher bandwidth and longer distances via fiber optic cables. They do not share bandwidth with the RJ-45 ports, ensuring optimal performance for backbone traffic.
Is this switch rack-mountable, and what are its physical dimensions?
Yes, the switch is designed for rack mounting with a standard 1U height. Its dimensions are 1.70 inches high, 17.50 inches wide, and 9.40 inches deep, making it compatible with 19-inch rack enclosures. The weight is 6.13 pounds, and it includes mounting hardware for secure installation in server rooms or network cabinets.
What warranty comes with this Cisco switch, and where is it manufactured?
This switch comes with a lifetime limited warranty from Cisco, covering defects in materials and workmanship for the product's lifespan. It is manufactured in China and complies with the Waste Electrical and Electronic Equipment (WEEE) directive for environmental responsibility.
| Qty | Price | Available |
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