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SG250-50
Cisco SG250-50 250 Series 48-Port Gigabit Switch, 2x1G Combo...
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SG250-50 is a smart-managed Layer 2+ access switch with 48 dedicated 10/100/1000 RJ-45 ports for independently powered endpoints. Two fixed Gigabit copper/SFP combo uplinks provide a choice of copper or fiber, with each pair sharing one connection rather than operating simultaneously. The non-PoE configuration provides data-only connectivity in a Rack-Mount 1U chassis with one cooling fan. Cisco 250 Series Smart Switches serve small-business networks requiring configurable switching rather than unmanaged connectivity. The discontinued SG250-50P differs by providing 48 PoE+ access ports with a shared 375W power budget. The base configuration has no removable uplink cards, so uplink media and peer connections must fit the built-in arrangement.
SG250-50 price for new stock is is available on request. Get immediate quote. SG250-50 refurb price is $721.57.
Request bulk order quote for SG250-50 for additional pricing. Browse the full Cisco SG250 Switches series or explore all Cisco products.
100 Gbps switching capacity provides nonblocking forwarding across the built-in connections. 74.41 Mpps forwarding, measured with 64-byte packets, establishes the small-packet throughput figure for traffic sizing. 32 static IPv4 routes support explicitly configured paths between local networks. SG250-50 uses 512 MB of memory and 256 MB of flash for switch operation and firmware storage. A shared 24 Mb packet buffer serves traffic across all ports rather than reserving a separate allocation per interface. The Gigabit Smart Switch maintains 8000 MAC addresses and 255 active VLANs for forwarding and segmentation. STP/RSTP/MSTP provide spanning-tree operation, while LACP supports link aggregation. Browser configuration and a full or menu-based CLI provide administration, with SSH available for encrypted remote access. 35.4W worst-case consumption supplies the maximum planning figure for rack power allocation; the internal supply accepts 100-240V AC.
ORM Systems offers SG250-50 new sealed with up to 3-year extended warranty or certified refurbished with up to 1 year; every condition includes 30-day returns, terms apply. Certified refurbished units are inspected and bench-tested for power-on and POST, every port linking at rated speed, clean boot, optics bay recognition, PSU status and fan status; firmware is verified and configuration is wiped to factory default. Specify the condition, regional power cord, mounting hardware and required transceiver PIDs on the purchase order. For enterprise and volume orders, POs are accepted, Net-30 is available for government, and RMA with advance replacement is supported across UK, EU, US and MEA regional stock and RMA operations.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G / 2 x 1G copper/SFP combo uplinks |
Max Power Draw | 35.4W |
Cooling | 1 fan |
Replaces | SLM2048T-AU / SLM2048T-CN / SLM2048T-EU / SLM2048T-NA / SLM2048T-UK |
Lifecycle Status | Sales ended October 30, 2021 |
Replacement PID | C1200-48T-4G / CBS250-48T-4G-NA (discontinued) |
In a 50-employee law firm handling sensitive client data, the SG250-50 enables creation of up to 200 VLANs and Layer 3 static routes to isolate finance, HR and guest networks. By reducing broadcast traffic by 40% and enforcing granular ACL policies, it delivers enhanced security, predictable performance and compliance with data-protection regulations.
In a mid-sized call center managing 200 concurrent VoIP calls and video conferences, the SG250-50 applies IEEE 802.1p QoS and traffic prioritization to guarantee sub-30 ms latency and jitter under 5 ms. The result is crystal-clear voice quality, uninterrupted video streams and a 25% reduction in dropped calls.
On a university floor supporting 300+ students, the SG250-50 aggregates 48 gigabit connections from access points and two 10 Gbps SFP+ uplinks to the core network. This configuration boosts wireless throughput by 50%, eliminates congestion during peak lecture hours and ensures reliable connectivity for e-learning and IoT deployments.
When a small business adds separately addressed workgroups, the switch supports 16 IP interfaces across physical ports, VLAN interfaces, link aggregation groups and loopback interfaces. Count the interfaces needed for the proposed addressing plan, including existing connections, and confirm that requirement before specifying the switch on the purchase order.
When several locations need matching switch configurations, text-editable configuration files and secure configuration transfer provide a repeatable staging approach. CLI privilege levels 1, 7 and 15 distinguish administrative access. Define the configuration file, transfer method and administrator permissions before specifying the staging requirements for each unit on the purchase order.
When a replacement unit must support troubleshooting before installation, port mirroring can send traffic from four source ports to one destination port. Reserve the analyzer connection in the staging plan rather than assuming unrestricted capture coverage. Specify the source interfaces and destination connection before placing the laboratory or replacement order.
Ethernet power for connected endpoints
SG250-50 does not deliver PoE to endpoints. C1200-48P-4G provides a current 48-port Gigabit PoE alternative with four separate 1G SFP uplinks.
10G uplinks to distribution
SG250-50 uplinks operate at Gigabit speed. C1200-48T-4X provides a current alternative with 48 Gigabit access ports and four 10G SFP+ uplinks.
Cisco support beyond October 2026
SG250-50 reaches its last date of support on October 31, 2026. The current migration endpoint is C1200-48T-4G, with four separate 1G SFP uplinks.
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| SG250-50 |  CBS250-8FP-E-2G |  SG250-18 |  SF250-24P |  SG250-26P | |
|---|---|---|---|---|---|
| Depth | 257 mm | 185 mm | 202 mm | 257 mm | 257 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Fast Ethernet | Gigabit Ethernet |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Desktop | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SG250-50 | CBS250-8FP-E-2G | SG250-18 | SF250-24P | SG250-26P |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 35.4W | 147.48W | 13.1W | 238W | 262W |
| 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 / 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) |
| Switching Capacity | 100 Gbps | 20 Gbps | 36 Gbps | 12.8 Gbps | 52 Gbps |
| Weight | 2.94 kg | 1.53 kg | 2.08 kg | 4.1 kg | 3.81 kg. |
| Width | 440 mm | 268 mm | 440 mm | 440 mm | 440 mm |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 90 days, for dependable protection on every order. The exact term is confirmed on your quote, order confirmation and invoice.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Same-day dispatch from regional hubs, free next-day delivery*, fully tracked and insured.
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SG250-50 identifies a Gigabit smart switch in the Cisco 250 Series with 50 total network connections. The SG250 portion identifies the model family, while 50 represents 48 dedicated copper access ports plus two Gigabit copper/SFP combo connections. Those combo connections share their copper and fiber interfaces.
SG250-50 supports an HTTP/HTTPS web interface, full or menu-based CLI over SSH or Telnet, and SNMP v1/v2c/v3. Additional paths include Smart Network Application, FindIT Network Manager, embedded FindIT Network Probe, FindIT Network Discovery Utility, Cisco Active Advisor, and Cisco Network Plug and Play with PnP Connect.
SG250-50 is discontinued: Cisco ended sales on October 30, 2021, and the last date of support is October 31, 2026. Software maintenance ended October 30, 2022. Existing inventory does not extend these milestones. Buyers retaining the model should distinguish supplier-backed order coverage from Cisco service eligibility.
ORM offers SG250-50 new sealed with up to 3-year extended warranty, or certified refurbished with up to 1 year. Both conditions have 30-day returns; terms apply. Cisco's limited lifetime hardware warranty, with 1-year fan and power-supply coverage, is subject to eligibility and ends no later than October 31, 2026.
SG250-50 replaces discontinued SG200-50 models ordered as SLM2048T-AU, SLM2048T-CN, SLM2048T-EU, SLM2048T-NA or SLM2048T-UK. Match the regional variant on the existing asset record before specifying a replacement. SG250-50 is also discontinued, so a current refresh should follow the migration chain to C1200-48T-4G rather than stop at this generation.
Yes, SG250-50 supports static IPv4 routing between networks, with 32 static routes and 16 IP interfaces. Interfaces can be assigned to physical ports, link aggregation groups, VLAN interfaces or loopback interfaces. The routing configuration uses explicitly entered routes, so interface count and route requirements should be checked separately.
The 250 Series Gigabit combo uplinks support MGBSX1 for multimode fiber to 500 m and MGBLX1 for single-mode fiber to 10 km. Specify the transceiver PID against the fiber medium, distance and peer connection. On SG250-50, each fiber interface shares its connection with the corresponding copper interface.
SG250-50P provides 48 PoE+ ports with a shared 375W budget, whereas SG250-50 provides data connectivity without PoE. Both models are discontinued. SG250-50P addresses legacy endpoints requiring Ethernet power; SG250-50 fits like-for-like data-only replacement orders with endpoint power supplied separately. Neither model is a current-generation refresh option.
SG250-50 has 48 dedicated Gigabit copper access ports, whereas SG250-26 has 24. Both models are discontinued, and both provide two additional Gigabit combo connections. SG250-50 suits legacy replacement orders needing the higher endpoint count, while SG250-26 matches a smaller existing access-port requirement rather than a current-generation refresh.
C1200-48T-4G provides four separate 1G SFP uplinks, whereas SG250-50 provides two shared Gigabit copper/SFP combo uplinks. SG250-50 is discontinued; its migration chain passes through the also-discontinued CBS250-48T-4G-NA. SG250-50 serves like-for-like legacy spare requirements, while C1200-48T-4G is the current replacement for buyers requiring independent fiber uplinks.
The Cisco 250 Series 50-port Gigabit Smart Switch uses an internal AC supply accepting 100-240V AC at 50-60 Hz. SG250-50 consumes 35.2W at 110V or 35.4W at 220V under worst-case conditions. Specify the regional power cord and confirm the required AC connection before ordering.
Yes, the 250 Series 50-port Gigabit Smart Switch is a Rack-Mount 1U unit. SG250-50 measures 440 mm wide, 44 mm high and 257 mm deep, and weighs 2.94 kg. A mounting kit is included; confirm the quoted unit's mounting hardware and required cable clearance before ordering.
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