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SF220-24-K9-UK
Cisco SF220-24-K9-UK 220 Series Smart Switches 24-Port Fast...
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SF220-24-K9-UK combines fanless operation with Layer 2 smart-managed switching for small-business networks. The fixed configuration provides 24 Fast Ethernet access ports and two Gigabit combo uplinks, each pairing an RJ-45 connector with an SFP slot that shares the same connection. Access ports do not supply PoE, so attached equipment needs a separate power arrangement. The full-width chassis occupies 1U in a rack. Cisco 220 Series Smart Switches connect desktops, servers and printers while providing segmentation and traffic-priority controls. The discontinued SF220-24P-K9-UK is the nearest powered sibling, adding PoE+ for equipment that needs switch-delivered power. This 24-port Fast Ethernet smart switch retains copper access connectivity while allowing copper or fiber connections toward the rest of the network.
SF220-24-K9-UK price is is available on request. Get immediate quote.
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8.8 Gbps switching capacity provides the aggregate bandwidth figure for traffic sizing. 6.55 Mpps forwarding at 64-byte packet size supplies a separate packet-rate reference. STP, RSTP and MSTP provide loop-control choices, while LACP supports grouped links. SF220-24-K9-UK has 128 MB of DRAM and 32 MB of flash for switching software and stored configuration. The MAC table holds 8192 entries, and the SF220-24 hardware shares 4.1 Mb of packet buffering dynamically across its ports. Automatic voice VLAN assignment and eight hardware queues per port allow differentiated traffic handling. IGMP snooping restricts multicast delivery to requesting receivers rather than flooding every connection. HTTPS, SSH and SNMPv3 protect management communications, with RADIUS and TACACS+ available for administrator authentication. 9.2W system consumption at 220V provides an electrical-planning reference, while the internal supply accepts 100-240V AC. Inter-VLAN routing requires an external router or routing switch; IPv4 and IPv6 management support does not make this a Layer 3 switch.
Specify SF220-24-K9-UK as new sealed or certified refurbished, with the required condition and quantity on the purchase order. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, clean boot and optics bay recognition; firmware is verified and configuration is wiped to factory default. New units carry up to 3-year extended ORM warranty and refurbished units up to 1 year; returns are 30 days on every condition, terms apply; Cisco's limited lifetime hardware warranty includes 1-year power-supply coverage and ends July 31, 2027. ORM Systems accepts POs for enterprise and volume orders, offers Net-30 for government and provides RMA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 10/100 / 2 x 1G combo uplinks |
Cooling | Fanless |
Replaces | SLM224GT-UK; end of sale October 4, 2018 |
Lifecycle Status | End of sale July 30, 2022 |
Replacement PID | CBS220-24T-4G-UK |
When an installed SLM224GT-UK needs a like-function replacement, SF220-24-K9-UK is a named migration option for that discontinued model, whose end of sale was October 4, 2018. Preserve the existing connection requirements and specify the regional ordering variant and condition before issuing the replacement PO.
When several sites need the same approved configuration, editable configuration files can be transferred between Cisco 220 Series Smart Switches rather than recreated manually. The full CLI is scriptable, with privilege levels 1 and 15. Confirm the approved configuration, administrator access level and staging instructions before placing a multi-unit PO.
When firmware changes must be staged before hardware enters service, dual images retain separate firmware files and dual configuration files allow a validated configuration to take effect after reboot. A mirror configuration file backs up the latest stable settings. Specify the required firmware and approved startup configuration on the staging order.
Gigabit speed on every access port
The 24 access ports are limited to 10/100 Mbps. CBS220-24T-4G-UK is the designated replacement with Gigabit access ports and four dedicated Gigabit SFP uplinks.
Switch-delivered power for connected endpoints
SF220-24-K9-UK supplies no PoE to connected equipment. CBS220-24P-4G-UK provides a current PoE replacement option and also changes the access connections from Fast Ethernet to Gigabit.
Routing between local network segments
The switch provides Layer 2 VLAN switching rather than inter-VLAN routing. An external routing device must handle traffic between segments; IPv6 host management does not supply that function.
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| SF220-24-K9-UK |  SF220-24 |  SF220-48-K9-UK |  SF220-48-K9-NA |  SF220-24-K9-EU | |
|---|---|---|---|---|---|
| Depth | 201 mm | 201 mm | 201 mm | 201 mm | 201 mm |
| Ethernet Technology | Fast Ethernet | Fast Ethernet | Fast Ethernet | Fast Ethernet | Fast Ethernet |
| Flash Memory | 32 MB | 32 MB | 32 MB | 32 MB | 32 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 | SF220-24-K9-UK | SF220-24 | SF220-48-K9-UK | SF220-48-K9-NA | SF220-24-K9-EU |
| Memory | 128 MB | 128 MB | 128 MB | 128 MB | 128 MB |
| Power Consumption | 9.2W | 8.2W at 110V / 9.2W at 220V | 13.7W | 13.2W at 110V / 13.7W at 220V | 8.2W at 110V AC / 9.2W at 220V AC |
| SFP Ports | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) |
| Switching Capacity | 8.8 Gbps | 8.8 Gbps | 13.6 Gbps | 13.6 Gbps | 8.8 Gbps |
| Weight | 2.6 kg | 2.6 kg. | 2.98 kg. | 2.98 kg. | 2.6 kg |
| Width | 440 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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SF220-24-K9-UK identifies the SF220 Fast Ethernet smart-switch model with 24 access ports and two Gigabit RJ-45/SFP combo uplinks. UK selects the regional variant covering the United Kingdom and six additional markets. Keep K9 in the complete ordering identifier when specifying the required regional unit.
SF220-24-K9-UK supports an HTTP/HTTPS web interface, a scriptable CLI over SSH or Telnet, SNMP versions 1, 2c and 3, and Cisco FindIT Network Manager. Cisco FindIT Network Discovery Utility also discovers the device. The local web interface includes configuration, a system dashboard, maintenance and monitoring.
Yes, SF220-24-K9-UK reached end of sale on July 30, 2022, and its last date of Cisco support is July 31, 2027. Software maintenance releases ended July 30, 2023. CBS220-24T-4G-UK is the designated replacement, so a legacy matching requirement should be distinguished from a migration purchase.
ORM Systems offers SF220-24-K9-UK new sealed or certified refurbished: new coverage is up to 3-year extended, and refurbished coverage is up to 1 year. Returns are 30 days on every condition; terms apply. Cisco's limited lifetime hardware warranty includes 1-year power-supply coverage; Cisco service ends July 31, 2027.
SF220-24-K9-UK replaces the discontinued SLM224GT-UK, sold as the SF200-24 24-Port 10/100 Smart Switch. SLM224GT-UK reached end of sale on October 4, 2018, and Cisco support ended October 31, 2023. Match the complete regional identifier rather than treating the older model name as an orderable equivalent.
SF220-24-K9-UK has two fixed Gigabit combo uplinks, each offering a copper RJ-45 connection or an SFP connection. Only one connector in each combo pair operates at a time. The pairs therefore provide two active uplink connections, not four, and their maximum speed is 1 Gbps.
MGBSX1 and MGBLX1 are compatible with the SF220-24 smart switch for multimode and single-mode fiber, respectively. MGBSX1 reaches 550 m at 1000 Mbps; MGBLX1 reaches 10 km at 1000 Mbps. Match the transceiver PID to the fiber medium and link distance when specifying the connection.
No, SF220-24-K9-UK provides Layer 2 switching rather than inter-VLAN routing. VLANs separate traffic within the switching environment, but communication between those segments requires an external routing device. IPv4 and IPv6 management connectivity provides access to the switch itself, not a routed gateway for attached endpoints.
The SF220-24 uses an internal 100-240V AC supply and fanless cooling. System consumption is 8.2W at 110V or 9.2W at 220V. The switch therefore needs an AC connection rather than a PoE power source, and connected endpoints require their own separate power arrangements.
Cisco 220 Series Smart Switches support 256 simultaneous VLANs, including port-based and tag-based VLAN configurations. Management VLAN and guest VLAN functions are available, while automatic voice VLAN assignment separates voice traffic for priority handling. The simultaneous VLAN limit should be checked against the intended segmentation plan before configuration is standardized.
SF220-24P-K9-UK supplies PoE+ through 24 access ports with a shared 180W budget, while SF220-24-K9-UK supplies no PoE. Both models are discontinued. The non-PoE model suits separately powered equipment; the powered sibling suits legacy replacements needing endpoint power, provided the shared budget covers the connected load.
SF220-48-K9-UK provides 48 Fast Ethernet access ports, compared with 24 on SF220-24-K9-UK. Both models are discontinued, with end of sale on July 30, 2022. The smaller model matches a 24-connection legacy requirement; the larger model accommodates an installed design requiring twice that access-port density.
CBS220-24T-4G-UK provides Gigabit access where SF220-24-K9-UK provides 10/100 access. SF220-24-K9-UK is discontinued, and CBS220-24T-4G-UK is its designated replacement. Select the legacy model for matching an existing Fast Ethernet installation; specify the successor when endpoint connections must run at Gigabit speed.
United States
