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Cisco CBS250-24PP4GNA-RF CBS250-24PP-4G 24-Port Gigabit PoE+ Managed Switch - 100W Budget - 4 SFP Slots - Layer 2 - Rack-Mountable - Refurbished
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Product Features
Technical Overview
This switch features 24 Gigabit Ethernet ports with PoE+ support, delivering up to 25.5W per port for connected devices. The 100W total PoE budget allows simultaneous power delivery to multiple endpoints without separate power supplies. Four SFP (mini-GBIC) expansion slots provide uplink flexibility for connecting to fiber backbones or extending network reach beyond copper limitations.
Operating at Layer 2, the switch supports advanced features including IGMP snooping for multicast traffic optimization, port mirroring for network monitoring, and spanning tree protocols for network redundancy. The manageable interface enables granular control over network configuration, VLAN setup, and quality of service policies.
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 CBS250-24PP-4G combines port density with power delivery in a single platform, eliminating the need for separate power injectors and reducing cable clutter. The 100W PoE budget supports energy-efficient deployment of PoE devices while the four SFP slots future-proof your network with fiber connectivity options.
Unified Power and Data
Deliver both network connectivity and up to 25.5W of power per port through standard Ethernet cables, simplifying installation of PoE devices in locations without convenient power outlets.
Scalable Uplink Options
Four SFP slots enable fiber uplinks for longer distance connections or high-bandwidth aggregation, providing flexibility for network expansion and backbone integration.
Enterprise-Grade Management
Layer 2 management capabilities offer control over network segmentation, traffic prioritization, and security policies, making this switch suitable for business environments requiring network oversight.
Deployment / Use Cases
This switch is ideal for office environments requiring centralized power and connectivity for VoIP phone systems, wireless access points, and security camera installations. The PoE+ capabilities eliminate the need for individual power adapters at each endpoint, reducing installation complexity and improving cable management.
Educational institutions can deploy this switch in classroom settings to power and connect multiple devices simultaneously. Retail environments benefit from the combination of data connectivity and power delivery for point-of-sale systems, digital signage, and inventory management devices. The rack-mountable design makes it suitable for server room or network closet installations where space optimization is important.
Small Business Networks
Provide connectivity and power to IP phones, wireless access points, and security cameras from a single switch, reducing infrastructure complexity.
Edge Network Aggregation
Serve as an access layer switch with fiber uplink capabilities to connect to core network infrastructure while powering edge devices.
Physical Profile
The switch features a standard 1U rack-mountable design with dimensions of 1.70" (height) x 17.50" (width) x 11.80" (depth), making it compatible with most 19-inch server racks. The compact form factor optimizes rack space while providing adequate ventilation for thermal management. Weighing 7.78 pounds, the unit is lightweight enough for easy installation while maintaining structural durability for enterprise deployment.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 1.70" (43.18 mm), 17.50" (444.50 mm), 11.80" (299.72 mm), 7.78 lb (3528.948639 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 17.50" (444.50 mm)
- Depth
- 11.80" (299.72 mm)
- Height
- 1.70" (43.18 mm)
- Weight
- 7.78 lb (3528.948639 g)
Highlights
- 24 Gigabit Ethernet ports with PoE+ support
- 100W total PoE budget for powering multiple devices
- 4 SFP (mini-GBIC) slots for fiber or copper uplinks
- Layer 2 managed switch with advanced networking features
- Rack-mountable 1U form factor for standard server racks
- 34.40W power consumption for energy-efficient operation
- Supports both twisted pair and optical fiber media types
- Lifetime limited warranty on refurbished unit
- WEEE compliant for environmentally responsible disposal
- Gigabit Ethernet technology (1000Base-T, 1000Base-X)
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CBS250-24PP4GNA-RF |
| Brand Name | Cisco |
| Product Series | 250 |
| Product Model | CBS250-24PP-4G |
| Product Name | 250 CBS250-24PP-4G 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 PoE+,4 x Gigabit Ethernet Expansion Slot |
| Media & Performance | |
| Media Type Supported | Optical Fiber,Twisted Pair |
| Ethernet Technology | Gigabit Ethernet |
| Network Technology | 1000Base-T,1000Base-X |
| I/O Expansions | |
| Total Number of Expansion Slots | 4.0 |
| Expansion Slot Type | SFP (mini-GBIC) |
| Number of SFP Slots | 4 |
| Network & Communication | |
| Layer Supported | 2 |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| PoE (RJ-45) Port | Yes |
| PoE Budget | 100 W |
| Power Source | Power Supply,PoE+ |
| Power Consumption | 34.40 W |
| Physical Characteristics | |
| Form Factor | Rack-mountable |
| Height | 1.70" (43.18 mm) |
| Width | 17.50" (444.50 mm) |
| Depth | 11.80" (299.72 mm) |
| Weight (Approximate) | 7.78 lb (3528.948639 g) |
| Miscellaneous | |
| Environmentally Friendly | Yes |
| Environmental Compliance | Waste Electrical and Electronic Equipment Directive (WEEE) |
| Country of Origin | China |
| Warranty | |
| Limited Warranty | Lifetime |
User Manual
FAQ
What is the total PoE budget of this switch?
The Cisco CBS250-24PP-4G provides a 100W total Power over Ethernet budget. This allows the switch to deliver both data and power to connected PoE+ devices, with each of the 24 ports capable of providing up to 25.5W. The 100W budget enables simultaneous power delivery to multiple devices such as IP phones, wireless access points, or security cameras without requiring separate power supplies at each endpoint.
How many SFP uplink slots does this switch have?
This switch includes four SFP (Small Form-factor Pluggable) slots, also known as mini-GBIC slots. These expansion slots allow for fiber optic or copper uplink connections, providing flexibility for network backbone integration or extending network reach beyond the 100-meter limitation of standard Ethernet cables. The SFP slots support Gigabit Ethernet connections compatible with 1000Base-X network technology.
Is this a managed or unmanaged switch?
The Cisco CBS250-24PP-4G is a fully manageable Layer 2 switch. It provides management capabilities for network configuration, VLAN setup, quality of service policies, and monitoring features. As a managed switch, it offers control over network segmentation, traffic prioritization, and security settings, making it suitable for business environments that require network oversight and configuration flexibility beyond basic plug-and-play operation.
What Layer does this switch operate at?
This switch operates at Layer 2 of the OSI model, providing data link layer functionality. Layer 2 switching enables features such as MAC address learning, VLAN segmentation, spanning tree protocol for network redundancy, IGMP snooping for multicast traffic optimization, and port mirroring for network monitoring. These capabilities make the switch suitable for creating segmented network environments with controlled traffic flow between devices.
What are the physical dimensions for rack mounting?
The switch measures 1.70 inches in height, 17.50 inches in width, and 11.80 inches in depth, making it a standard 1U rack-mountable device compatible with 19-inch server racks. The compact form factor optimizes rack space utilization while providing adequate ventilation for thermal management. With a weight of 7.78 pounds, the unit is lightweight enough for easy installation while maintaining structural durability for enterprise deployment scenarios.
What warranty comes with this refurbished switch?
This refurbished Cisco CBS250-24PP-4G switch includes a lifetime limited warranty. The warranty covers the switch against defects in materials and workmanship for the lifetime of the product. Refurbished units undergo testing and quality assurance processes to ensure they meet functional specifications before being made available for sale, providing confidence in the product's reliability for business network deployments.
| Qty | Price | Available |
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