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SF250-24P
Cisco SF250-24P 250 24-Port Fast Ethernet PoE+ Switch, 2x1G...
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SF250-24P is a smart-managed Layer 2+ access switch with 24 10/100 Mbps PoE+ ports for small-business networks retaining Fast Ethernet endpoints. Its fixed uplink arrangement combines two dedicated 1G SFP ports with two Gigabit copper/SFP combo ports; each combo pair activates only one copper or fiber connection at a time. The 1U rack-mount chassis belongs to the Cisco 250 Series Smart Switches family and connects phones, cameras, computers, and wireless access points without removable uplink cards. Compared with SF250-24, the powered model supplies endpoint power; the non-PoE sibling is also discontinued. Voice VLAN functions assign telephone traffic to a separate VLAN, while priority queues handle delay-sensitive communications alongside ordinary data traffic. This Fast Ethernet PoE+ smart switch uses internal AC power rather than an external adapter.
SF250-24P price for new stock is is available on request. Get immediate quote. SF250-24P refurb price is $602.18.
Request bulk order quote for SF250-24P for additional pricing. Browse the full Cisco SF250 Switches series or explore all Cisco products.
12.8 Gbps switching capacity supports the fixed port layout, and 9.52 Mpps forwarding applies to 64-byte packets. 185W of shared PoE output requires aggregate endpoint sizing rather than assuming every powered port can draw its maximum simultaneously. Static IPv4 routing supports 32 routes for inter-subnet forwarding rather than dynamic route exchange. SF250-24P carries 512 MB of memory and 256 MB of flash, while its 12 Mb packet buffer is dynamically shared across ports. Administrators can configure through HTTP/HTTPS, script the Textview CLI over SSH or Telnet, or collect SNMP monitoring; Smart Network Application and FindIT support network-level management. STP/RSTP/MSTP provide loop control, and LACP supports four aggregation groups with eight active ports per group. Access control accepts 512 rules for ingress or egress application, bounding policy size. 238W worst-case consumption at 110V includes PoE delivery and belongs in upstream power sizing. Two fans provide cooling within the 0°C to 50°C operating range.
Specify SF250-24P quantities and either new sealed or certified refurbished condition on the PO. Certified refurbished units are inspected and bench-tested, with PoE output verified under load on every powered port, rated-speed links checked, firmware verified, and configuration wiped to factory default. ORM provides up to 3-year extended warranty for new units and up to 1 year for certified refurbished units, plus 30-day returns on every condition, terms apply; Cisco's limited lifetime warranty ends July 31, 2027. For enterprise and volume orders, POs are accepted, Net-30 is available for government, and RMA includes advance replacement, with regional stock and RMA across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24x10/100 PoE+ / 2x1G SFP / 2x1G Combo |
PoE Budget | 185W shared |
Cooling | 2 fans |
Replaces | Discontinued: SLM224PT-AU, SLM224PT-EU, SLM224PT-NA, SLM224PT-UK, SF200-24FP-AU, SF200-24FP-EU, SF200-24FP-NA, SF200-24FP-UK; end-of-sale 2018-10-04 |
Lifecycle Status | End-of-sale July 30, 2022; support ends July 31, 2027 |
Replacement PID | CBS220-24P-4G-NA |
A 50-seat small-to-medium business deploys 24 IP phones and a unified communications server using the Cisco SF250-24P 24-Port 10/100 PoE Smart Switch. By powering phones directly over Ethernet and segmenting voice VLANs, IT staff eliminate separate power cabling, enforce QoS for crystal-clear calls and simplify network management via the embedded web GUI. Outcome: reduced installation time by 40%, lower total cost of ownership and guaranteed voice performance on a single platform.
A multi-branch retail organization installs 20 PoE cameras and 12 PoS terminals per store on a Cisco SF250-24P 24-Port 10/100 PoE Smart Switch. The switch’s 195W PoE budget delivers reliable power to high-resolution cameras and checkout systems, while VLAN segmentation and ACLs isolate video traffic from sales data. Outcome: enhanced loss prevention through consistent 24/7 monitoring, faster checkout processing and simplified troubleshooting with centralized PoE power monitoring.
A 120-room boutique hotel and adjacent conference center deploy 24 Cisco Aironet PoE access points using the SF250-24P 24-Port 10/100 PoE Smart Switch as their network core. With built-in QoS, L2/L3 static routing and per-port PoE power scheduling, the switch guarantees high-speed, segmented guest and administrative Wi-Fi. Outcome: consistent roaming performance, 30% fewer guest complaints, and centralized management that streamlines daily operations and reduces service interruptions.
An existing small-office network needs local forwarding between subnets without dynamic route exchange. SF250-24P supports 16 IP interfaces, including interfaces on physical ports, LAGs, VLANs, or loopbacks. Map the required interfaces and relay behavior, then confirm the configuration fits the site's addressing plan before issuing the PO.
Several small-business sites need the same startup configuration without manual editing at each location. SF250-24P supports DHCP options 12, 66, 67, 129, and 150 for addressing and autoconfiguration, and accepts SCP configuration downloads. Prepare central DHCP and file-transfer settings, then specify configuration staging for each unit before the purchase order.
Replacement units need image validation before joining an existing network. SF250-24P supports dual firmware images and upgrades through HTTP/HTTPS, TFTP, or SCP over SSH. The front USB Type-A port provides file and image management. Establish the intended baseline, then specify the target image, configuration file, and staging quantities on the PO.
Gigabit connections to powered endpoints
SF250-24P access ports stop at 100 Mbps. The current replacement, CBS220-24P-4G-NA, retains 24 powered access ports but changes their speed to Gigabit Ethernet and provides four 1G SFP uplinks.
30W on every powered port
SF250-24P shares 185W across 24 powered ports. Simultaneous 30W delivery on every port requires 24 × 30W = 720W, exceeding the available budget; endpoint allocations must remain within the shared total.
10G uplinks to distribution
SF250-24P provides fixed 1G uplinks, not 10G connections. The built-in SFP interfaces do not become 10G uplinks through a transceiver change, and no removable uplink-card bay provides an upgrade path.
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| SF250-24P |  SG250-10P |  CBS250-16T-2G |  CBS250-24PP-4G |  SG250-50P | |
|---|---|---|---|---|---|
| Depth | 257 mm | 170 mm | 272 mm | 299 mm | 350 mm |
| Ethernet Technology | Fast Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Desktop | Desktop | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SF250-24P | SG250-10P | CBS250-16T-2G | CBS250-24PP-4G | SG250-50P |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 238W | 85.19W | 18.63W | 138.9W | 481.9W |
| SFP Ports | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE | 4 x 1GbE | 2 x 1GbE (Combo, shared with RJ-45) |
| Switching Capacity | 12.8 Gbps | 20 Gbps | 36 Gbps | 56 Gbps | 100 Gbps |
| Weight | 4.1 kg | 1.2 kg. | 1.78 kg. | 3.53 kg | 4.82 kg. |
| Width | 440 mm | 280 mm | 268 mm | 445 mm | 440 mm |
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Reviewed on the 1 June 2021
24-port PoE smart switch provides consistent power and connectivity for small office devices.
Reviewed on the 12 August 2017
Efficient PoE delivery and low-latency connectivity.
Reviewed on the 5 November 2018
Professional-grade PoE reliability with minimal downtime.
Reviewed on the 8 August 2022
Compact and durable switch with easy deployment.
Reviewed on the 23 September 2024
Reliable performance for everyday small office networking needs.
SF250-24P identifies a 250 Series Fast Ethernet smart switch: SF250 is the family identifier, 24 is the access-port count, and P indicates PoE+. The model includes two Gigabit copper/SFP combo uplinks plus two dedicated SFP uplinks. The US ordering variant is SF250-24P-K9-NA, with NA identifying the regional version.
SF250-24P supports HTTP/HTTPS web management, Textview CLI over SSH or Telnet, SNMP, Smart Network Application, FindIT Network Manager with an embedded FindIT Network Probe, FindIT Network Discovery, and Cisco Active Advisor. The CLI offers full-command and menu-based operation. SNMP versions 1, 2c, and 3 support monitoring; Network Plug and Play handles provisioning.
SF250-24P is discontinued: end of sale was July 30, 2022, and the last date of Cisco support is July 31, 2027. Software maintenance ended July 30, 2023. CBS220-24P-4G-NA is the current replacement for US orders, providing 24 Gigabit access ports and four 1G SFP uplinks.
ORM offers SF250-24P new sealed with up to 3-year extended warranty or certified refurbished with up to 1 year, plus 30-day returns on every condition; terms apply. Cisco's limited lifetime hardware warranty includes 1-year coverage for fans and power supplies, with Cisco service ending July 31, 2027.
SF250-24P replaces discontinued SLM224PT-AU, SLM224PT-EU, SLM224PT-NA, SLM224PT-UK, SF200-24FP-AU, SF200-24FP-EU, SF200-24FP-NA, and SF200-24FP-UK. Those 200 Series models reached end of sale on October 4, 2018, and Cisco support ended October 31, 2023. Match regional versions and endpoint power requirements when replacing an installed unit; SF250-24P itself is also discontinued.
SF250-24P provides a shared 185W PoE budget across 24 Fast Ethernet access ports, with a maximum of 30W on an individual port. The aggregate budget prevents simultaneous maximum output on every port. Add endpoint power requirements before ordering, and keep their combined allocation within the available total.
The 24-port Fast Ethernet PoE+ smart switch has four 1G uplinks: two dedicated SFP ports and two Gigabit copper/SFP combo ports. Each combo pair uses one copper or fiber connection at a time. These fixed interfaces do not accept removable uplink cards, and the switch has no 10G uplink option.
Cisco 250 Series Smart Switches support static IPv4 routing between subnets, with 32 static routes and 16 IP interfaces. Interfaces can be configured on physical ports, LAGs, VLANs, or loopbacks. These static-routing capabilities place SF250-24P in Layer 2+ rather than providing dynamic routing protocols for automatic route exchange.
Yes, SF250-24P is a 1U rack-mount switch with a 440 mm-wide chassis. The enclosure is 44 mm high and 257 mm deep, weighs 4.1 kg, and uses two fans. Allow space for cabling and airflow when specifying the installation, and do not plan for fanless operation.
238W is the maximum SF250-24P draw at 110V AC with PoE delivery; the equivalent 220V AC figure is 230W. Without PoE delivery, system consumption is 29.2W at 110V and 28.3W at 220V. Use the applicable full-load figure when sizing upstream power and UPS capacity rather than the system-only consumption figure.
SF250-24P supplies PoE+ on its 24 Fast Ethernet access ports, whereas SF250-24 provides 24 non-PoE access ports. Both models are discontinued. The powered model serves installed phones or other PoE endpoints; the non-PoE model suits existing deployments where endpoints use their own power sources and do not require Ethernet-delivered power.
SF250-48HP has 48 Fast Ethernet PoE+ access ports, while SF250-24P has 24. Both models are discontinued, so this comparison concerns matching existing installations or spares rather than selecting a current-generation replacement. SF250-24P suits existing 24-port requirements; SF250-48HP accommodates deployments needing twice as many access connections in one chassis.
CBS220-24P-4G-NA provides 24 Gigabit access ports, while SF250-24P provides 24 Fast Ethernet access ports. CBS220-24P-4G-NA is the current replacement rather than the discontinued SF250-24P. SF250-24P suits compatible existing 100 Mbps installations; CBS220-24P-4G-NA serves buyers moving powered endpoint connections to 1 Gbps while retaining a 24-port configuration.
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