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SF250-48-K9-EU
Cisco SF250-48-K9-EU 250 48-Port Fast Ethernet Switch, 2x1G...
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SF250-48-K9-EU is a fanless, smart-managed Layer 2+ access switch with 48 Fast Ethernet ports for small-business endpoint connections. Four fixed Gigabit uplinks combine two dedicated SFP connections with two copper/SFP combo connections, allowing copper or fiber links without a removable uplink card. The full-width 1U chassis brings the Cisco 250 Series Smart Switches configuration into a rack installation. RADIUS authentication controls administrative access, while port security limits learned source addresses at the edge. The discontinued SF250-48HP-K9-EU adds PoE+, whereas this model carries data without supplying endpoint power. The Cisco SF250-48 offers configurable access switching rather than unmanaged connectivity, keeping the purchase focused on existing endpoint speeds, uplink media and the operational controls required at the edge.
SF250-48-K9-EU price for new stock is is available on request. Get immediate quote. SF250-48-K9-EU refurb price is $870.45.
Request bulk order quote for SF250-48-K9-EU for additional pricing. Browse the full Cisco SF250 Switches series or explore all Cisco products.
17.6 Gbps switching capacity supports nonblocking traffic handling across the installed interfaces. 13.1 Mpps forwarding at 64-byte packet size defines performance for small-frame workloads. 32 static IPv4 routes and 16 IP interfaces bound the local routing plan; IPv6 routing is also supported. SF250-48-K9-EU carries 512 MB of DRAM and 256 MB of flash for embedded software and configuration storage. A shared 24 Mb packet buffer provides buffering across the ports, while the MAC table accommodates 8000 addresses. STP, RSTP and MSTP provide loop-control options; IGMP snooping restricts multicast delivery to requesting receivers. HTTP/HTTPS browser access, a scriptable CLI over SSH or Telnet, and SNMP v1, v2c and v3 support administration and monitoring. The internal AC input accepts 100–240V, so installation requires mains power rather than an upstream PoE feed. 24.2W worst-case consumption at 220V supplies the equipment load for circuit sizing. No 10G uplink is available.
Specify SF250-48-K9-EU as new sealed or certified refurbished and state the unit quantity on the purchase order. Certified refurbished units are inspected and bench-tested for POST, rated-speed port links, clean boot and optics bay recognition, with firmware verified and configuration wiped to factory default. ORM provides up to a 3-year extended warranty on new units or up to 1 year on certified refurbished units, plus 30-day returns on every condition, terms apply; Cisco's separate limited lifetime hardware warranty ends with Cisco service on July 31, 2027. For enterprise and volume orders, ORM accepts POs, offers Net-30 for government and provides RMA with advance replacement across UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48x10/100 / 2x1G RJ-45/SFP combo / 2x1G SFP |
Max Power Draw | 24.2W at 220V AC |
Cooling | Fanless |
Replaces | SF200-48 (SLM248GT), end-of-sale August 2, 2018 |
Lifecycle Status | End-of-sale July 30, 2022 / support ends July 31, 2027 |
Replacement PID | CBS220-48T-4G-EU / Cisco-remanufactured SF250-48-K9-EU-RF |
When an installed SF200-48 reaches its replacement cycle, SF250-48-K9-EU is a migration option for that older model, which reached end-of-sale on August 2, 2018. Treat the purchase as a staged configuration replacement and specify saved settings, the intended cutover sequence and acceptance checks before the purchase order.
When separate departmental networks are consolidated, 255 active VLANs provide a boundary for the segmentation plan. Voice VLAN handling can place phone traffic in a voice-specific VLAN with QoS treatment. Specify the required VLAN count, endpoint power arrangements and upstream routing responsibilities before approving the hardware order.
When replacement hardware must be staged before a maintenance window, dual firmware images provide separate software images for upgrade preparation. HTTP/HTTPS, TFTP and SCP over SSH support image transfer, while saved configurations need their own handling. Specify the intended firmware, configuration backup and acceptance checks on the staging order.
Gigabit Ethernet on every access port
The 48 access ports stop at 100 Mbps. CBS220-48T-4G-EU provides 48 Gigabit Ethernet ports as a current replacement, with four dedicated 1G SFP uplinks.
PoE power for attached endpoints
SF250-48-K9-EU does not supply PoE from its access ports. Attached phones, cameras and wireless access points therefore require independent power sources.
10G connections to upstream equipment
The fixed uplinks operate at 1G, with no removable uplink card bay. A 10G uplink requirement cannot be met by changing transceivers.
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| SF250-48-K9-EU |  SF250-24-K9-EU |  SF250-48HP-K9-EU |  SF250-24-K9-NA |  SF250-48HP-K9 | |
|---|---|---|---|---|---|
| Depth | 257 mm | 202 mm | 350 mm | 202 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 | SF250-48-K9-EU | SF250-24-K9-EU | SF250-48HP-K9-EU | SF250-24-K9-NA | SF250-48HP-K9 |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 24.2W | 10.9W | 265.2W | 10.9W | 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 | 17.6 Gbps | 12.8 Gbps | 17.6 Gbps | 12.8 Gbps | 17.6 Gbps |
| Weight | 3.57 kg | 2.72 kg | 4.93 kg | 2.72 kg. | 4.93 kg |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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SF250-48-K9-EU identifies a 250 Series Fast Ethernet smart switch: SF250 names the model family, 48 denotes the access-port count, and EU selects the regional ordering version. The configuration has non-PoE 10/100 access ports and four Gigabit uplinks. Keep K9 within the complete orderable identifier.
SF250-48-K9-EU supports HTTP/HTTPS web management, a full or menu-based CLI over SSH or Telnet, and SNMP v1, v2c and v3. Management integrations include Smart Network Application, FindIT Network Manager with an embedded FindIT Network Probe, FindIT Network Discovery Utility, Cisco Active Advisor and Cisco Network Plug and Play.
Yes, SF250-48-K9-EU reached end-of-sale on July 30, 2022, and its last date of support is July 31, 2027. Its software-maintenance milestone was July 30, 2023. The replacement route includes CBS220-48T-4G-EU, which changes access connections from Fast Ethernet to Gigabit Ethernet.
SF250-48-K9-EU is offered new sealed or certified refurbished, with ORM coverage up to a 3-year extended warranty for new units or up to 1 year for refurbished units. Every condition has 30-day returns; terms apply. Cisco's limited lifetime hardware warranty is separate, with Cisco service ending July 31, 2027.
SF250-48-K9-EU is a migration option for SF200-48, also identified as SLM248GT, whose end-of-sale date was August 2, 2018. That replacement relationship does not establish that saved settings transfer unchanged. Specify the intended configuration and verify settings, endpoint connectivity and upstream connections during staging before scheduling the cutover.
No, SF250-48-K9-EU supplies data connectivity without PoE output on its access ports. Connected phones, cameras or wireless access points need their own power arrangements. An Ethernet connection alone does not provide endpoint power, so include independent powering equipment when the attached devices cannot operate from an existing power source.
The Cisco SF250-48 has four Gigabit uplink connections: two dedicated SFP ports and two copper/SFP combo ports. Each combo connection uses either its RJ-45 socket or its SFP slot, not both simultaneously. Select the medium for each connection before deciding how many MGBSX1 or MGBLX1 transceivers to order.
SF250-48-K9-EU provides static IPv4 routing with 32 static routes and 16 IP interfaces, alongside IPv6 routing. Static routes must be configured as part of the network plan. Check the required inter-VLAN route count and interface assignments before specifying the switch for local routing duties.
Yes, the Cisco SF250-48 fits a standard rack as a 1U switch and includes a mounting kit. The chassis measures 440 mm wide, 44 mm high and 257 mm deep, with a weight of 3.57 kg. Confirm rack clearance, support and AC cabling when specifying the installation.
No, SF250-48-K9-EU uses a single internal AC power supply rather than two redundant supply modules. The AC input accepts 100–240V at 50–60 Hz. Plan the power connection around the switch's single supply, and confirm the regional mains cord required for the installation.
No, the Cisco SF250-48 does not form a hardware stack. Network-level discovery and management tools can manage multiple switches, but that does not provide a shared stacking backplane. Treat each unit as a separate switch and specify its own uplinks, configuration and power connection.
SF250-48-K9-EU-RF identifies the Cisco-remanufactured form of SF250-48-K9-EU, not an ORM-certified refurbished unit. Cisco remanufacturing and ORM-certified refurbishment are separate condition programs. The order should identify which program is required instead of treating every refurbished description as interchangeable; the hardware's lifecycle milestones still govern Cisco service availability.
SF250-48HP-K9-EU provides PoE+ with a 195W shared budget, while SF250-48-K9-EU provides no PoE output. Both models are discontinued, so this comparison concerns matching an installed configuration rather than choosing a current powered replacement. The non-PoE model suits independently powered endpoints; the HP model suits a budgeted PoE deployment.
SF250-48-K9-EU has 48 Fast Ethernet access ports, while SF250-24-K9-EU has 24. Both retain two Gigabit copper/SFP combo connections and two dedicated SFP connections. Both models are discontinued. The 48-port configuration accommodates more access connections; the 24-port configuration serves replacements where the smaller connection count meets the requirement.
CBS220-48T-4G-EU provides 48 Gigabit Ethernet access ports, while SF250-48-K9-EU provides 48 Fast Ethernet access ports. Both offer four Gigabit uplinks, although the replacement uses four dedicated SFP connections. The discontinued SF250 model serves like-for-like Fast Ethernet replacements; CBS220-48T-4G-EU suits purchases requiring Gigabit access connections.
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