Cisco SG250-08-K9-NA-RF SG250-08 8-Port Gigabit Smart Switch - 2 Layer Managed - Rack-Mountable - Refurbished
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Product Features
Technical Overview
This switch operates at Layer 2 of the OSI model, supporting essential switching functions including VLANs, QoS, and security features. The 1000Base-T technology ensures Gigabit Ethernet performance across all ports.
The built-in power supply delivers consistent voltage to all components, while the rack-mountable design allows for professional installation in standard network racks.
Relevant factors for this section include Total Number of Network Ports, Uplink Port, Port/Expansion Slot Details, 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.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The SG250-08 combines enterprise-grade features with small business practicality. Its manageable nature provides network control without requiring advanced expertise.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Enhanced Network Control, Professional Deployment Ready.
Enhanced Network Control
Management capabilities allow for detailed setup and configuration, giving administrators control over network operations and security policies.
- VLAN support for network segmentation
- QoS for traffic prioritization
- Security features for protected operations
Professional Deployment Ready
The rack-mountable design enables organized cable management and secure installation in standard network racks or cabinets.
- Compact 1U form factor
- Standard rack mounting brackets
- Professional cable management
Deployment / Use Cases
This switch is ideal for small offices, retail locations, and branch offices requiring reliable wired connectivity. The eight ports accommodate multiple workstations, printers, and other network devices.
The uplink port enables cascading to additional switches or connecting to routers for network expansion. Small businesses can deploy it as a core switch in compact networks or as an edge switch in larger distributed networks.
Relevant factors for this section include Total Number of Network Ports, Uplink Port, Port/Expansion Slot Details, 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.
Small Office Network Core
Serve as the central switching point for up to eight devices with Gigabit connectivity for fast file transfers and network access.
Branch Office Expansion
Extend existing networks with additional ports while maintaining manageable features for remote administration.
Physical Profile
The compact dimensions of 1.20" H x 6.30" W x 5" D make this switch suitable for space-constrained installations. The 1.19 lb weight ensures easy handling during deployment.
The rack-mountable form factor includes standard mounting hardware for secure installation in network racks. The professional finish and design complement business environments.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 1.20" (30.48 mm), 6.30" (160.02 mm), 5" (127 mm), 1.19 lb (540.06 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 6.30" (160.02 mm)
- Depth
- 5" (127 mm)
- Height
- 1.20" (30.48 mm)
- Weight
- 1.19 lb (540.06 g)
Highlights
- 8 Gigabit Ethernet ports for high-speed wired connectivity
- Layer 2 switching with VLAN, QoS, and security support
- Uplink port for network expansion and cascading
- Rack-mountable 1U form factor for professional installation
- Managed capabilities for network control and configuration
- 1000Base-T technology supporting twisted pair cabling
- Built-in power supply for reliable operation
- Lifetime limited warranty on refurbished unit
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | SG250-08-K9-NA-RF |
| Brand Name | Cisco |
| Product Series | 250 |
| Product Model | SG250-08 |
| Product Name | SG250-08 8-Port Gigabit Smart Switch |
| Product Condition | Refurbished |
| Product Type | Ethernet Switch |
| Interfaces/Ports | |
| Total Number of Network Ports | 8 |
| Uplink Port | Yes |
| Port/Expansion Slot Details | 8 x Gigabit Ethernet Network |
| Media & Performance | |
| Media Type Supported | Twisted Pair |
| Ethernet Technology | Gigabit Ethernet |
| Network Technology | 1000Base-T |
| Network & Communication | |
| Layer Supported | 2 |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| Power Source | Power Supply |
| Redundant Power Supply Supported | No |
| Physical Characteristics | |
| Form Factor | Rack-mountable |
| Height | 1.20" (30.48 mm) |
| Width | 6.30" (160.02 mm) |
| Depth | 5" (127 mm) |
| Weight (Approximate) | 1.19 lb (540.06 g) |
| Warranty | |
| Limited Warranty | Lifetime |
FAQ
How many devices can I connect to this switch?
The Cisco SG250-08 provides eight Gigabit Ethernet ports, allowing direct connection of up to eight network devices such as computers, printers, IP phones, or access points. The uplink port enables further expansion by connecting to additional switches or network infrastructure.
What does 'Layer 2 support' mean for this switch?
Layer 2 support indicates this switch operates at the data link layer of the OSI model. It provides essential switching functions including MAC address learning, VLAN segmentation, Quality of Service (QoS) for traffic prioritization, and basic security features. This makes it suitable for most small business network requirements.
Can this switch be mounted in a standard network rack?
Yes, the SG250-08 is designed for rack mounting with a standard 1U form factor. Its dimensions of 1.20" height, 6.30" width, and 5" depth fit typical network racks. The switch includes mounting hardware for secure installation in professional network environments.
What type of cables does this switch support?
This switch supports twisted pair Ethernet cables (Category 5e, 6, or higher) using 1000Base-T technology. It can handle data transfers up to 100 meters per cable run, making it suitable for standard office wiring installations without requiring special fiber optic cabling.
Is this switch manageable, and what features does management provide?
Yes, the SG250-08 is a manageable smart switch. Management capabilities include VLAN configuration for network segmentation, QoS settings for traffic prioritization, security features like port security, and monitoring functions. This provides network administrators with control over setup and configuration without requiring enterprise-level expertise.
What warranty comes with this refurbished switch?
This refurbished Cisco SG250-08 comes with a lifetime limited warranty. The warranty covers defects in materials and workmanship for the operational life of the product when used under normal conditions. This provides long-term assurance for business deployments.