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CBS250-48P-4G
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- Cisco Business 250 Switch, 48 10/100/1000 PoE+ ports with 370W power budget, 4 Gigabit SFP
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CBS250-48P-4G Overview
CBS250-48P-4G is a purpose‐built Cisco Business switch engineered with a fixed, fan‐cooled architecture that delivers reliable Layer 2 performance for small and medium-sized networks. It features 48 PoE+ Ethernet ports for powering network devices and 4 dedicated Gigabit SFP uplink ports that ensure high-performance connectivity and straightforward expansion in demanding environments.
CBS250-48P-4G provides flexible power options via an internal AC power supply, supports desktop and rack-mount configurations, and is optimized for easy stacking (where applicable) and scalability. Designed to handle high data throughput with a nonblocking architecture, this switch is ideally suited for branch offices, digital signage, IP surveillance, and other deployment scenarios that require secure, managed connectivity without compromise.
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CBS250-48P-4G Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 2 |
| Form Factor | Desktop / Rack-mount |
| Power Consumption | N/A |
| Number Of Ethernet Ports | 24–48 Ports |
| Number Of Downlink Ports | 48 Ports |
| Manageable | Managed |
| Ethernet Technology | 10/100/1000 |
| Media Type Supported | Twisted Pair |
| Redundant Power Supply Supported | No |
| Manufacturer Part Number | CBS250-48P-4G |
| Uplink Configuration | 1G |
| IOS | LAN Lite |
| POE Support | POE+ |
| SFP Ports | 4 SFP Ports |
| Memory | 256 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | 48 PoE+ ports and 4 SFP uplink ports |
| Flash Memory | 64 MB |
| Switching Capacity | 104 Gbps |
| Switching Capacity With Stacking | N/A |
| Product Name | Cisco Business CBS250-48P-4G |
| Height | 1.73 inches |
| Width | 17.08 inches |
| Depth | 11.22 inches |
| Weight | 17.6 lbs |
Quality Certifications
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Product Comparison Table
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| Depth | 12.8 inches | 13.6 inches | 11.22 inches | 7.24 inches | N/A |
| Ethernet Technology | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 32 MB | N/A | 64 MB | 64 MB | 64 MB |
| Form Factor | Desktop / Rack-mount | Rack-mount | Desktop / Rack-mount | Desktop | Desktop / Rack-mount |
| Height | 1.73 inches | 1.73 inches | 1.73 inches | 1.69 inches | N/A |
| Interface Ports | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | LAN Lite | LAN Lite | LAN Lite | LAN Lite | LAN Lite |
| Layer Supported | Layer 2 | Layer 2 | Layer 2 | Layer 2 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | SF250-24P | SF250-48 | CBS250-48P-4G | CBS250-8PP-E-2G | CBS250-48P-4X |
| Media Type Supported | Combo | Twisted Pair / Fiber | Twisted Pair | Twisted Pair | Twisted Pair |
| Memory | 128 MB | N/A | 256 MB | 128 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 48 Ports | 48 Ports | 8 Ports | 48 Ports |
| Number of Ethernet Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports | Under 12 Ports | 24–48 Ports |
| POE Support | POE+ | Non POE | POE+ | POE+ | POE+ |
| Port/Expansion Slot Details | 24 x 10/100 PoE ports; 2 x 10/100/1000 uplink ports | 48 x 10/100/1000 Ethernet ports and 4 x 1G SFP uplink ports | 48 PoE+ ports and 4 SFP uplink ports | 8 PoE ports and 2 Gigabit uplink ports | N/A |
| Power Consumption | N/A | 33.6 W | N/A | 33.6 W | N/A |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco SF250-24P Smart Switch | Cisco Small Business SF250-48 Managed Switch | Cisco Business CBS250-48P-4G | Cisco Business CBS250-8PP-E-2G | Cisco Business CBS250-48P-4X Managed Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | No | No | No | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | N/A | 4 SFP Ports |
| Switching Capacity | 26 Gbps | 104 Gbps | 104 Gbps | 16 Gbps | 176 Gbps |
| Switching Capacity with Stacking | 52 Gbps | N/A | N/A | 160 Gbps | N/A |
| Uplink Configuration | 1G | 1G | 1G | 1G | 10G |
| Weight | 16.5 lbs | 6.8 lbs | 17.6 lbs | 3.1 lbs | N/A |
| Width | 17.2 inches | 17.3 inches | 17.08 inches | 8.82 inches | N/A |
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Questions & Answers
Q
What is the PoE power budget of the Cisco CBS250-48P-4G switch?
A
The Cisco CBS250-48P-4G provides a total PoE+ power budget of 370 W, supporting high-power devices like IP phones and cameras.
Q
How many PoE+ ports does the Cisco CBS250-48P-4G offer?
A
This switch includes 48 auto-sensing Gigabit Ethernet ports, all delivering IEEE 802.3at PoE+ power for connected devices.
Q
What uplink connectivity does the CBS250-48P-4G support?
A
It features four dedicated Gigabit SFP uplink ports, enabling flexible fiber connectivity and extended network reach.
Q
Does the Cisco CBS250-48P-4G support Layer 2 switching features?
A
Yes, it supports comprehensive Layer 2 features including 802.1Q VLANs, IGMP snooping, port mirroring, and band-width control.
Q
Can I manage the CBS250-48P-4G via a web interface?
A
Absolutely. The switch includes an intuitive web-based GUI and optional Cisco Network Assistant for centralized configuration.
Q
What is the total switching capacity and forwarding rate?
A
It delivers a non-blocking switching capacity of 176 Gbps and maximum forwarding rate of 131 Mpps for smooth traffic handling.
Q
Does the switch support Link Aggregation and multi-gigabit ports?
A
Yes, it supports 802.3ad Link Aggregation Control Protocol (LACP) on all ports for increased throughput and redundancy.
Q
Is the Cisco CBS250-48P-4G rack-mountable?
A
Yes, the unit comes with rack-mount kits and can be installed in standard 19-inch cabinets for data center or closet use.
Q
What security features are included in this switch?
A
It offers 802.1X port-based access control, DHCP snooping, ARP inspection, storm control, and ACLs for robust network protection.
Q
Does the CBS250-48P-4G support Quality of Service (QoS)?
A
Yes, it provides advanced QoS with eight hardware queues, traffic classification, prioritization, and rate limiting per port.
Q
What environmental specifications does this switch have?
A
Operating temperature ranges from 0°C to 45°C with auto fan speed control, ensuring reliable performance in typical server rooms.
Q
Does the Cisco CBS250-48P-4G include energy-saving features?
A
Yes, it incorporates Energy Efficient Ethernet (IEEE 802.3az), idle port power down, and cable length detection for lower power usage.
Q
What warranty is provided with the CBS250-48P-4G?
A
Cisco offers a limited lifetime hardware warranty with next-business-day replacement, plus 90 days of complimentary technical support.
Q
Which devices are ideal for use with this PoE+ switch?
A
Ideal for small to medium businesses, it supports VoIP phones, wireless access points, IP cameras, and other PoE devices.
Q
Can I configure VLANs on the CBS250-48P-4G?
A
Yes, you can create up to 256 static or dynamic VLANs, with easy configuration via the web GUI or command line.
Q
How do I perform initial setup of the Cisco CBS250-48P-4G?
A
Connect a PC to the management port, access the default IP via browser, and follow the guided setup wizard to configure.
