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SG250-50P-K9-UK
Cisco SG250-50P-K9-UK 250 48-Port Gigabit PoE+ Switch, 2x1G...
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SG250-50P-K9-UK provides 48 dedicated Gigabit Ethernet PoE+ access ports and two fixed Gigabit copper/SFP combo uplinks in a smart-managed, Layer 2+ switch. The full-width chassis occupies 1U in a rack, placing endpoint connectivity and power delivery in one enclosure. Within the Cisco 250 Series Smart Switches family, this configuration serves small-business networks connecting computers, IP phones, wireless access points, and video-surveillance endpoints. Automatic voice VLAN assignment and QoS separate voice traffic and apply its traffic priorities. The Cisco SG250-50P combines those functions with selectable copper or fiber uplink media rather than a removable uplink card. Its discontinued sibling, SG250-50HP-K9-UK, has a lower 192W PoE allowance, distinguishing the two otherwise similar access configurations.
SG250-50P-K9-UK price is is available on request. Get immediate quote.
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100 Gbps switching capacity supports the installed Ethernet interfaces, while 74.41 Mpps forwarding handles packet switching. 375W of shared PoE capacity powers connected endpoints within the aggregate allowance. Static IPv4 routing supports 32 routes and 16 IP interfaces for communication between local subnets; dynamic routing is not included. SG250-50P-K9-UK carries 512 MB of memory and 256 MB of flash for its operating software and configuration storage. A dynamically shared 24 Mb packet buffer serves traffic across the ports rather than reserving a fixed allocation for each interface. STP/RSTP/MSTP provide loop-control options, and LACP supports four aggregation groups with eight active ports per group. Administrators can use browser-based configuration or the Textview CLI, while SNMP supports external monitoring. Four fans cool the chassis across its 0°C to 50°C operating range. 481.9W maximum consumption at 110V includes PoE delivery and establishes the higher published input-power requirement; the corresponding figure at 220V is 468.1W.
ORM Systems offers SG250-50P-K9-UK new sealed or certified refurbished, with ORM warranty of up to 3-year extended coverage on new units and up to 1 year on certified refurbished units. Refurbished units are inspected and bench-tested for power-on, POST, clean boot, rated-speed port links, PoE output under load on every powered port, and optics bay recognition; firmware is verified and configurations are wiped to factory default. Specify condition, quantities, and required link components before placing the order; returns are 30 days on every condition, terms apply. Enterprise and volume orders can use accepted POs, Net-30 for government, and RMA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G PoE+, 2 x 1G combo uplinks |
PoE Budget | 375W shared |
Max Power Draw | 481.9W |
Cooling | 4 fans |
Lifecycle Status | End of sale October 30, 2021 |
Replacement PID | C1200-48P-4G |
When replacing a discontinued SG200-50FP-UK in an existing estate, SG250-50P-K9-UK provides the named migration relationship for that older order code. Treat the replacement as a configuration migration rather than assuming an unchanged setup: compare saved settings, endpoint assignments, and uplink media before specifying the replacement order.
For a branch rollout requiring centrally prepared configuration, the Cisco Network Plug and Play agent supports Cisco PnP Connect. Establish the provisioning workflow before equipment arrives, including device identification and the configuration intended for each location. Specify the required provisioning approach and site quantities on the purchase order.
For staging equipment before release to operations, dual software images provide a separate image arrangement for firmware changes. Browser, TFTP, and SCP transfer options accommodate different staging procedures. Define the intended image, transfer method, and acceptance checks before ordering units for a common staging batch.
10G uplinks to distribution
SG250-50P-K9-UK has only 1G combo uplinks. C1200-48P-4X provides four 10G SFP+ uplinks while retaining 48 Gigabit PoE access ports.
More than 30W per endpoint
SG250-50P-K9-UK cannot supply an endpoint requiring more than 30W from one Ethernet port; its powered access interfaces stop at the PoE+ per-port limit.
Cisco support beyond October 2026
SG250-50P-K9-UK reaches its last date of support on October 31, 2026. C1200-48P-4G is the current endpoint of its replacement chain and has four dedicated fiber uplinks.
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| SG250-50P-K9-UK |  SG250-50HP-K9-UK |  SG250-08HP-K9-EU |  SG250-26-K9-NA |  SG250-26P-K9 | |
|---|---|---|---|---|---|
| Depth | 350 mm | 350 mm | 128 mm | 202 mm | 257 mm |
| Ethernet Technology | Gigabit 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 | Rack-Mount 1U | Desktop | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 30 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SG250-50P-K9-UK | SG250-50HP-K9-UK | SG250-08HP-K9-EU | SG250-26-K9-NA | SG250-26P-K9 |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 481.9W | 267.2W | 61.4W | 18.9W | 262W |
| Switching Capacity | 100 Gbps | 100 Gbps | 16 Gbps | 52 Gbps | 52 Gbps |
| Width | 440 mm | 440 mm | 160 mm | 440 mm | 440 mm |
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SG250-50P-K9-UK identifies the UK-region ordering form of a Cisco 250 Series Gigabit PoE+ smart switch. SG250 identifies the Gigabit family, 50 covers 48 access ports plus two combo ports, and P identifies PoE+. UK is the regional suffix; K9 remains part of the complete ordering identity.
SG250-50P-K9-UK supports an HTTP/HTTPS web interface, Textview CLI with SSH or Telnet access, and SNMP. Network-level options include Smart Network Application, FindIT Network Manager with the embedded FindIT Network Probe, and Cisco Active Advisor. FindIT Network Discovery assists discovery, while Cisco Network Plug and Play supports provisioning.
Yes, SG250-50P-K9-UK reached end of sale on October 30, 2021, and its last date of support is October 31, 2026. Software maintenance ended October 30, 2022. Its direct replacement, CBS250-48P-4G-UK, is also discontinued; the replacement chain now ends at C1200-48P-4G.
ORM Systems supplies SG250-50P-K9-UK new sealed or certified refurbished, with up to 3-year extended warranty on new units and up to 1 year on refurbished units. Returns are 30 days, terms apply. Cisco's Limited Lifetime hardware warranty includes 1-year fan and PSU coverage; Cisco service ends October 31, 2026.
SG250-50P-K9-UK provides a shared 375W PoE budget across 48 powered access ports, with a 30W maximum on an individual port. All ports cannot deliver that maximum simultaneously. Size the connected endpoint mix against the shared allowance rather than treating the per-port maximum as an all-port power guarantee.
SG250-50P-K9-UK has two fixed 1G combo uplinks, each offering a copper connection or an SFP connection with only one medium active. MGBSX1 supports multimode fiber links to 500 m, and MGBLX1 supports single-mode fiber links to 10 km. These slots do not provide 10G operation.
Yes, the Cisco 250 Series supports static IPv4 routing between local networks, with 32 static routes and 16 IP interfaces. Interfaces can be associated with physical ports, link aggregations, VLANs, or loopbacks. SG250-50P-K9-UK is Layer 2+ for this configuration; dynamic routing protocol participation is not included.
The Cisco SG250-50P requires 1U of rack height and measures 440 mm wide, 44 mm high, and 350 mm deep. Its chassis weighs 4.82 kg, and a mounting kit is included. Confirm usable rack depth and the intended installation position before specifying the order.
No, SG250-50P-K9-UK uses a fixed internal AC power supply rather than a redundant modular supply arrangement. Its universal input accepts 100-240V AC. Maximum consumption including PoE is 481.9W at 110V or 468.1W at 220V, so size the upstream power provision for the applicable input condition.
SG250-50P-K9-UK replaces the discontinued SG200-50FP-UK. That relationship identifies the relevant older order code when planning an installed-estate replacement. Before purchasing, compare the existing configuration and endpoint requirements with the replacement hardware, and include the required uplink media and installation components in the order specification.
SG250-50P-K9-UK provides a 375W PoE budget, while SG250-50HP-K9-UK provides 192W across the same number of powered access ports. Both models are discontinued. The former accommodates a larger aggregate endpoint power allocation; the latter addresses an existing configuration whose connected devices fit its smaller shared allowance.
SG250-50P-K9-UK has 48 dedicated Gigabit access ports, whereas SG250-26P-K9-UK has 24 dedicated Gigabit access ports. Both models are discontinued. The larger chassis configuration addresses higher endpoint density at one location; the smaller configuration fits an existing estate requiring fewer dedicated connections at each installation point.
C1200-48P-4G provides four dedicated 1G SFP uplinks, whereas SG250-50P-K9-UK provides two 1G copper/SFP combo uplinks. C1200-48P-4G is the current migration endpoint through the discontinued CBS250-48P-4G-UK. Choose the older configuration for matching an installed estate, or the current model when specifying additional dedicated fiber uplink connections.
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