Cisco CBS250-8T-E2GNA-RF Business 250 Series Managed Gigabit Ethernet Switch - 10 Ports - 8x Gigabit + 2x Combo SFP - Layer 3 - Rack-Mountable
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Product Features
Technical Overview
This switch delivers full Gigabit Ethernet performance across all ports, supporting both 1000Base-T over twisted pair and 1000Base-X for fiber connections. The two combo SFP slots allow you to use either copper RJ-45 or SFP modules for uplinks, enabling longer-distance fiber runs up to several kilometers when needed.
It operates as a managed switch with comprehensive support for key networking standards including IEEE 802.1Q VLAN tagging, 802.3ad Link Aggregation, 802.1x port security, and 802.3az Energy Efficient Ethernet. The fanless design ensures silent operation ideal for office environments while maintaining reliable thermal performance.
This section brings together practical product details such as Features, Total Number of Network Ports, Uplink Port, Modular, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
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 CBS250-8T-E-2G provides enterprise-grade features in an accessible business package, with particular strengths in deployment flexibility and management control.
Dual-Purpose Uplink Flexibility
The two combo SFP slots give you deployment options—use standard copper connections for short runs or install SFP modules for fiber uplinks that span longer distances between floors or buildings.
- Supports both copper and fiber media
- Enables network expansion beyond 100m limits
- Provides future-proofing for infrastructure upgrades
Advanced Management Capabilities
As a fully managed Layer 3 switch, it offers granular control over network configuration, security policies, and traffic prioritization through a web interface or command line.
- VLAN support for network segmentation
- Quality of Service (QoS) for traffic prioritization
- Link aggregation for bandwidth combining
Quiet, Efficient Operation
The fanless design eliminates moving parts that can fail and reduces acoustic noise to zero, making it suitable for office environments where quiet operation is preferred.
- No fan noise in workspace environments
- Reduced maintenance with no moving parts
- Lower power consumption at 12.56W typical
Deployment / Use Cases
This switch is particularly well-suited for business environments where reliable connectivity needs to scale with growth while maintaining manageability and uptime.
In small office deployments, it can serve as the core switching infrastructure, connecting workstations, printers, and servers while providing fiber uplinks to other switches or network segments. The Layer 3 capabilities allow for basic inter-VLAN routing without requiring a separate router for simple network segmentation.
Branch Office Network Core
Deploy as the primary switch in satellite offices, providing connectivity for 10-20 devices with the option for fiber backhaul to headquarters.
Server Room Access Layer
Connect servers and storage devices in small server closets, with combo ports allowing either copper connections to nearby equipment or fiber runs to other network areas.
Physical Profile
The switch features a compact 1U rack-mountable form factor with a clean white finish that blends into office environments. Measuring 7.28 inches high, 10.55 inches wide, and 1.73 inches deep, it occupies minimal rack space while providing full 10-port functionality. The 3.75-pound weight makes it easy to install in standard 19-inch racks using the included mounting brackets.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 7.28" (185 mm), 10.55" (268 mm), 1.73" (44 mm), 3.75 lb (1700 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 10.55" (268 mm)
- Depth
- 1.73" (44 mm)
- Height
- 7.28" (185 mm)
- Weight
- 3.75 lb (1700 g)
Highlights
- 10-port managed Gigabit Ethernet switch with 8 copper ports and 2 combo SFP slots
- Layer 3 routing capabilities for scalable network design and inter-VLAN routing
- Fanless operation for silent performance in office environments
- Rack-mountable 1U form factor with compact dimensions for space-constrained installations
- Supports both twisted pair and optical fiber media for flexible uplink options
- Comprehensive management features including VLAN, QoS, and link aggregation
- Refurbished condition with full functionality testing and restoration
- Low power consumption at 12.56W typical for energy-efficient operation
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CBS250-8T-E2GNA-RF |
| Brand Name | Cisco |
| Product Line | Business |
| Product Series | 250 |
| Product Model | CBS250-8T-E-2G |
| Product Name | Business CBS250-8T-E-2G Ethernet Switch |
| Product Condition | Refurbished |
| Product Type | Ethernet Switch |
| Technical Information | |
| Features | Fanless |
| Interfaces/Ports | |
| Total Number of Network Ports | 10 |
| Uplink Port | Yes |
| Modular | Yes |
| Port/Expansion Slot Details | 8 x Gigabit Ethernet Network,2 x Gigabit Ethernet TP/SFP Combo |
| 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 | 2 |
| Expansion Slot Type | SFP (mini-GBIC) |
| Shared SFP Slot | Yes |
| Number of SFP Slots | 2 |
| Network & Communication | |
| Layer Supported | 3 |
| Networking Standards | IEEE 802.11ac,IEEE 802.1x,IEEE 802.3az,IEEE 802.1D,IEEE 802.1w,IEEE 802.1s,IEEE 802.3ad,IEEE 802.1Q,IEEE 802.1p,IEEE 802.3,IEEE 802.3u,IEEE 802.3ab,IEEE 802.3z,IEEE 802.3x,IEEE 802.3w,IEEE 802.3af,IEEE 802.3at |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| Input Voltage | 120 V AC,230 V AC |
| Power Source | Power Adapter |
| Power Consumption | 12.56 W |
| Physical Characteristics | |
| Product Color | White |
| Form Factor | Rack-mountable |
| Height | 7.28" (185 mm) |
| Width | 10.55" (268 mm) |
| Depth | 1.73" (44 mm) |
| Weight (Approximate) | 3.75 lb (1700 g) |
| Miscellaneous | |
| Environmentally Friendly | Yes |
| Environmental Compliance | Waste Electrical and Electronic Equipment Directive (WEEE) |
FAQ
What is the difference between the 8 copper ports and the 2 combo ports?
The eight copper ports are standard Gigabit Ethernet RJ-45 ports for connecting devices using twisted pair cables. The two combo ports are dual-purpose—they can function as either standard copper RJ-45 ports or accept SFP modules for fiber optic connections. This gives you flexibility to use copper for most connections while having the option for fiber uplinks when needed.
Does this switch support Power over Ethernet (PoE)?
No, this specific model (CBS250-8T-E-2G) does not provide Power over Ethernet. It is a non-PoE switch designed for data connectivity only. If you need to power devices like IP phones, wireless access points, or security cameras through the network cable, you would need a PoE-capable switch model from the Cisco Business series.
What does 'Layer 3' capability mean for this switch?
Layer 3 capability means this switch can perform basic routing functions in addition to switching. While Layer 2 switches only forward traffic based on MAC addresses, this Layer 3 switch can route traffic between different IP subnets or VLANs. This allows for more efficient network design with segmentation without requiring a separate router for simple inter-VLAN routing scenarios.
Can I use this switch in a stack with other Cisco switches?
The Cisco CBS250-8T-E-2G does not support physical stacking through dedicated stacking ports or cables. However, you can connect it to other switches using standard Ethernet or fiber connections and manage them as separate devices. For true stacking functionality where multiple switches act as a single logical unit, you would need models specifically designed for stacking from Cisco's portfolio.
What management interfaces are available for configuration?
This managed switch offers multiple management options including a web-based graphical interface for browser access, a command-line interface (CLI) for advanced configuration, and support for SNMP for network monitoring. The web interface provides intuitive configuration of VLANs, QoS, security settings, and port management without requiring deep CLI knowledge.
What is included with this refurbished switch?
As a refurbished unit, this switch typically includes the switch itself and a power adapter. Mounting brackets for rack installation are usually included. Refurbished products undergo thorough testing, cleaning, and restoration to ensure they meet functional specifications. For exact contents of this specific unit, please verify with the seller as accessories may vary.
What uplink, SFP, fiber, or media support detail is listed?
The warranty or support detail listed is Yes, giving buyers a clearer picture of expected coverage after purchase.