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SF250-24P-K9-UK
Cisco SF250-24P-K9-UK 250 24-Port Fast Ethernet PoE+ Switch,...
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SF250-24P-K9-UK is a smart-managed Layer 2+ switch with 24 Fast Ethernet PoE+ access ports and four fixed Gigabit uplinks. Two uplinks provide copper/SFP combo connections, while two provide dedicated SFP connections; each combo connection activates either its copper interface or its fiber interface. The Cisco 250 Series Smart Switches family serves small-business networks connecting IP phones, wireless access points and other compatible powered endpoints. Its Rack-Mount 1U chassis combines endpoint power delivery with configurable traffic separation and prioritization. The discontinued SF250-24-K9-UK provides the same access-port density without PoE, distinguishing an unpowered maintenance requirement from a powered one. Select this configuration when the endpoint connection speed is sufficient, and assess aggregate traffic separately from the physical uplink media.
SF250-24P-K9-UK price is is available on request. Get immediate quote.
Request bulk order quote for SF250-24P-K9-UK for additional pricing. Browse the full Cisco SF250 Switches series or explore all Cisco products.
12.8 Gbps switching capacity provides nonblocking forwarding across the available connections. 9.52 Mpps forwarding performance applies to 64-byte packets, giving a packet-rate reference for traffic sizing. 185W of shared PoE capacity limits aggregate endpoint allocations rather than guaranteeing maximum output simultaneously on every powered connection. Static IPv4 routing supports inter-VLAN communication within a ceiling of 32 routes and 16 IP interfaces. SF250-24P-K9-UK carries 512 MB of DRAM and 256 MB of flash for its operating software and configuration. The SF250-24P dynamically shares a 12 Mb packet buffer across its connections. STP, RSTP and MSTP provide spanning-tree options, while LACP supports aggregated links. Up to 255 active VLANs allow traffic separation, and eight hardware queues support prioritization using strict-priority or Weighted Round-Robin scheduling. Two fans provide active cooling, so the chassis is not fanless. Allow for operation between 0°C and 50°C when assessing the intended equipment location.
Specify SF250-24P-K9-UK in new sealed or certified refurbished condition, with optics and quantities itemized on the purchase order. Refurbished units are inspected and bench-tested, with PoE output verified under load on every powered port, firmware verified and configuration wiped to factory default. ORM coverage is up to a 3-year extended warranty for new units or up to 1 year for refurbished units; returns are 30 days on every condition, terms apply, while Cisco's limited lifetime warranty ends July 31, 2027. For enterprise and volume orders, PO is accepted, government Net-30 is available, and RMA includes advance replacement across UK, EU, US and MEA regions.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 10/100 PoE+ / 2 x 1G combo / 2 x 1G SFP |
PoE Budget | 185W shared |
Max Power Draw | 238W at 110V AC |
Cooling | 2 fans |
Lifecycle Status | End of sale July 30, 2022 |
Replacement PID | C1200-24P-4G / SF250-24P-K9-UK-RF Cisco remanufactured |
When adding phones or other powered endpoints to existing copper cabling, size the endpoint inventory before committing to a switch quantity. Individual ports support up to 30W, but simultaneous loading remains constrained by shared available power. Specify each endpoint's required allocation and aggregate demand before approving the purchase order.
When standardizing orders for locations using the UK regional variant, preserve the complete suffix in the bill of materials. The UK ordering group also includes Saudi Arabia, Qatar, Kuwait, Singapore, Hong Kong and Malaysia. Confirm the delivery country, mains connection and required power cord before issuing the purchase order.
Before duplicating a branch configuration across ordered units, validate the planned access-control policy against the 512-rule ACL ceiling. Include ingress and egress filtering requirements in the staging checklist, and review how rules will be distributed before approving the hardware quantity and configuration scope on the purchase order.
Gigabit connections for every endpoint
The 24 access ports operate at 10/100 Mbps. C1200-24P-4G provides 24 Gigabit access ports with PoE and four dedicated 1G SFP uplinks for forward migration.
More than 32 static IPv4 routes
IPv4 routing is limited to 32 static routes and 16 IP interfaces; a deployment exceeding either ceiling requires greater routing scale than this switch provides.
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| SF250-24P-K9-UK |  SF250-24P |  SF250-48HP-K9-EU |  SF250-24P-K9 |  SF250-48HP-K9-UK | |
|---|---|---|---|---|---|
| Depth | 257 mm | 257 mm | 350 mm | 257 mm | 350 mm |
| Ethernet Technology | Fast Ethernet | Fast Ethernet | Fast Ethernet | Fast Ethernet | Fast Ethernet |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SF250-24P-K9-UK | SF250-24P | SF250-48HP-K9-EU | SF250-24P-K9 | SF250-48HP-K9-UK |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 238W | 238W | 265.2W | 238W | 265.2W |
| SFP Ports | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE / 2 x 1GbE (Combo, shared with RJ-45) |
| Switching Capacity | 12.8 Gbps | 12.8 Gbps | 17.6 Gbps | 12.8 Gbps | 17.6 Gbps |
| Weight | 4.1 kg | 4.1 kg | 4.93 kg | 4.1 kg. | 4.93 kg |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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SF250-24P-K9-UK identifies a 250-family Fast Ethernet smart switch: 24 denotes the access-port count, P denotes PoE+, and UK selects the regional ordering variant. The configuration includes two Gigabit copper/SFP combo uplinks and two dedicated Gigabit SFP uplinks, separate from its powered access ports.
SF250-24P-K9-UK supports an HTTP/HTTPS web interface, Textview CLI with SSH/Telnet access, SNMP, Smart Network Application, FindIT Network Manager, embedded FindIT Network Probe, FindIT Network Discovery Utility and Cisco Active Advisor integration. The CLI provides full and menu-based modes, while browser management includes configuration, monitoring and maintenance functions.
SF250-24P-K9-UK is discontinued, with end of sale on July 30, 2022, and last date of support on July 31, 2027. Software maintenance ended July 30, 2023. The forward migration chain through the discontinued CBS250-24P-4G-UK reaches C1200-24P-4G rather than stopping at the intermediate model.
ORM offers SF250-24P-K9-UK new sealed with up to a 3-year extended warranty or certified refurbished with up to 1 year. Returns are 30 days on every condition; terms apply. Cisco's platform warranty is limited lifetime, with applicable Cisco service and warranty coverage ending July 31, 2027.
SF250-24P-K9-UK replaces the discontinued SF200-24FP-UK and SLM224PT-UK, both of which reached end of sale on October 4, 2018. SLM224PT-UK was marketed as SF200-24P. For an existing installation, match endpoint power and connection requirements rather than treating every 24-port model as an interchangeable replacement.
SF250-24P-K9-UK supplies PoE+ to its 24 Fast Ethernet access ports, whereas SF250-24-K9-UK does not supply endpoint power. Both models are discontinued. The powered model addresses maintenance requirements for attached PoE devices; the non-PoE model fits existing installations where endpoints receive power independently of the network connection.
SF250-48HP-K9-UK provides 48 Fast Ethernet access ports, compared with 24 on SF250-24P-K9-UK. Both models are discontinued. For installed-base maintenance, the 48-port configuration addresses a larger physical endpoint count, while the 24-port configuration matches a smaller connection requirement; port density alone does not establish available power per endpoint.
C1200-24P-4G provides Gigabit access connections, whereas SF250-24P-K9-UK provides 10/100 Mbps access connections. C1200-24P-4G is the forward migration destination through the discontinued CBS250-24P-4G-UK. The newer configuration addresses Gigabit endpoint requirements; the older configuration is relevant when maintaining an installation that specifically requires the existing Fast Ethernet model.
SF250-24P-K9-UK provides a shared 185W PoE budget across 24 powered access ports, with up to 30W available to an individual port. Maximum simultaneous allocation at every port would require 24 × 30W = 720W, exceeding the available budget. Size the connected endpoint mix by aggregate demand.
The Cisco SF250-24P supports MGBSX1 for Gigabit multimode fiber connections and MGBLX1 for Gigabit single-mode fiber connections. MGBSX1 supports distances up to 500 m, while MGBLX1 supports up to 10 km. Match the selected transceiver to the installed fiber and the connection at the opposite end.
No, SF250-24P-K9-UK uses an internal universal AC power supply accepting 100-240V AC. It does not use the external adapter arrangement of the compact models. Worst-case consumption with PoE is 238W at 110V or 230W at 220V, which should inform upstream power and UPS sizing.
Yes, SF250-24P-K9-UK supports static IPv4 routing between VLANs, with up to 32 static routes and 16 IP interfaces. Interfaces can be configured on physical ports, link aggregation groups, VLAN interfaces or loopback interfaces. Keep the planned route count and interface count within their separate limits.
No, the Cisco SF250-24P uses two fans for active cooling. Its operating temperature range is 0°C to 50°C, and the chassis measures 440 mm wide, 44 mm high and 257 mm deep. Specify a location that accommodates active cooling rather than requiring passive, fanless operation.
SF250-24P-K9-UK-RF is the Cisco-remanufactured ordering identifier for this switch, not an identifier for ORM's certified refurbishment. These are separate condition descriptions and should remain distinct on the purchase order. Specify the complete requested identifier and condition rather than treating the RF suffix as a generic refurbished label.
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