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CBS250-24PP-4G-NA
Cisco CBS250-24PP-4G-NA Business 250 24-Port Gigabit PoE+ Sw...
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CBS250-24PP-4G-NA is a fanless, smart-managed Layer 2+ switch with 24 Gigabit Ethernet PoE+ access ports and four dedicated 1G SFP uplinks. Its fixed uplink architecture connects copper endpoints to fiber links without a removable network module, and the full-width chassis occupies 1U in a standard rack. The Cisco Business 250 Series Smart Switches serve small-business networks connecting computers, printers, IP phones, wireless access points, and surveillance equipment. The discontinued CBS250-24P-4G-NA provides a higher 195W endpoint-power budget while retaining the same access-port count and uplink configuration. Voice VLAN and traffic-prioritization functions separate telephone traffic from general data, while port authentication and access controls govern endpoint connectivity. The platform belongs to the Cisco Business portfolio rather than an enterprise chassis or modular access-switch family.
CBS250-24PP-4G-NA price for new stock is $469.35, a 50% saving from the Cisco list price of $938.70. CBS250-24PP-4G-NA refurb price is $412.65. CBS250-24PP-4G-NA is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CBS250-24PP-4G-NA for additional pricing. Browse the full Cisco CBS250 Business Switches series or explore all Cisco products.
56 Gbps switching capacity supports nonblocking forwarding across the fixed interfaces, while 41.66 Mpps forwarding handles 64-byte packets at the published maximum rate. 100W of shared PoE power requires endpoint allocations to remain within the aggregate limit, even though an individual powered port supports 30W. Static IPv4 routing supports 32 routes and 16 IP interfaces for communication between local network segments. STP, RSTP, and MSTP control Layer 2 topology, and LACP aggregates Ethernet links. CBS250-24PP-4G-NA carries 512 MB of DRAM, 256 MB of flash, and a 1.5 MB packet buffer shared dynamically across all ports. The Business 250 configuration utility supports browser-based administration, with command-line access available locally or remotely. Dual firmware images support image management, and the front-panel USB Type-A slot handles file transfers. 138.9W worst-case consumption with PoE at 110V provides the electrical-load figure to use when reserving rack power; endpoint output alone does not represent total input consumption.
Order CBS250-24PP-4G-NA as new sealed or certified refurbished, and specify the condition and required transceiver PIDs on the PO. Certified refurbished units are inspected and bench-tested for power-on and POST, clean boot, every port linking at rated speed, PoE output under load on every powered port, optics bay recognition, and PSU status. ORM warranty is up to 3-year extended for new units or up to 1 year for certified refurbished units, with 30-day returns on every condition, terms apply; Cisco's separate limited lifetime hardware warranty is subject to eligibility and ends October 31, 2029. Enterprise and volume POs are accepted, government orders can use Net-30, and RMA includes advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 24 x 1G PoE+ / 4 x 1G SFP |
PoE Budget | 100W shared |
Max Power Draw | 138.9W |
Cooling | Fanless |
Replaces | SG250-26HP-K9-NA — end of sale October 30, 2021 |
Lifecycle Status | End of sale October 29, 2024 |
An installed fleet using discontinued SG250-26HP-K9-NA can use this switch as its named replacement when procurement requires continuity with that upgrade path. The older model reached end of sale on October 30, 2021. Before the PO, confirm endpoint power allocations, configuration requirements, and the transceivers needed for existing fiber links.
A branch rollout requiring centralized provisioning can use the Cisco Network Plug and Play agent with Cisco PnP Connect. This provides a provisioning path distinct from configuring each device through its local interfaces. Prepare the configuration delivery workflow and specify the intended management access before releasing the purchase order.
A lab or staging bench requiring traffic inspection can mirror up to 4 source ports to 1 destination port, or up to 4 source VLANs to a monitoring port. The monitoring connection occupies a destination interface. Reserve that interface and specify the network analyzer connection in the bench plan before ordering.
10G uplinks to distribution
The fixed SFP uplinks operate at 1G, not 10G. C1200-24P-4X provides 24 Gigabit PoE access ports and four 10G SFP+ uplinks for purchases requiring faster uplink connectivity.
Endpoints requiring more than 30W
PoE+ output is limited to 30W per powered port and remains subject to the shared switch budget. Endpoints requiring higher per-port power cannot be supplied directly by this model.
Continuing software security maintenance
Software maintenance and vulnerability/security support ended October 29, 2025. Applicable hardware support continues only to October 31, 2029, so purchases requiring ongoing software fixes need a different switch.
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| CBS250-24PP-4G-NA |  SG250-50 |  CBS250-24T-4G |  CBS250-16P-2G |  CBS250-48P-4G-NA | |
|---|---|---|---|---|---|
| Depth | 299 mm | 14.53 inches | 240 mm | 11.3 inches | 350 mm |
| Ethernet Technology | Gigabit Ethernet | 10/100/1000 | Gigabit Ethernet | 10/100/1000 | Gigabit Ethernet |
| Flash Memory | 256 MB | 64 MB | 256 MB | 16 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Rack-mount | Rack-Mount 1U | Rack-mount | Rack-Mount 1U |
| Height | 44 mm | 1.73 inches | 44 mm | 1.73 inches | 44 mm |
| Manufacturer Part Number | CBS250-24PP-4G-NA | SG250-50 | CBS250-24T-4G | CBS250-16P-2G | CBS250-48P-4G-NA |
| Memory | 512 MB | 256 MB | 512 MB | 256 MB | 512 MB |
| SFP Ports | 4 x 1GbE | Combo | 4 x 1GbE | 2 SFP Ports | 4 x 1GbE |
| Switching Capacity | 56 Gbps | 104 Gbps | 56 Gbps | 32 Gbps | 104 Gbps |
| Weight | 3.53 kg | 16.5 lbs | 2.63 kg | 12.3 lbs | 5.43 kg |
| Width | 445 mm | 17.32 inches | 445 mm | 17.3 inches | 445 mm |
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CBS250-24PP-4G-NA identifies a Business 250 smart switch: CBS250 names the series, 24 specifies the Gigabit access-port count, PP denotes partial PoE with a 100W budget, and 4G denotes four Gigabit SFP uplinks. NA is the regional ordering suffix covering the United States, Canada, Mexico, Colombia, Chile, and remaining Latin America.
CBS250-24PP-4G-NA supports a web UI, full or menu-based CLI through the RJ-45 console, SSH or Telnet, Cisco Business Dashboard, and the Cisco Business mobile app. SNMP versions 1, 2c, and 3 provide management access. An embedded Dashboard probe avoids a separate probe appliance, while Cisco Network Plug and Play supports provisioning.
CBS250-24PP-4G-NA has 24 PoE+ capable ports sharing 100W, with a maximum of 30W on an individual port. The powered-device count depends on each endpoint's allocation rather than port availability alone. Simultaneous 30W allocations across all 24 ports would require 720W, which exceeds the available shared budget.
The Business 250 switch supports Gigabit transceivers including MGBSX1 for multimode fiber to 500 m and MGBLX1 for single-mode fiber to 10 km. CBS250-24PP-4G-NA has four fixed 1G SFP slots. Match the transceiver PID to the installed fiber and link distance; these slots do not provide 10G operation.
Yes, CBS250-24PP-4G-NA supports static IPv4 routing with 32 routes and 16 IP interfaces, including VLAN interfaces. This places the switch in the Layer 2+ category for selection purposes. Check the number of routed interfaces and required static entries before using the switch to communicate between local network segments.
Yes, the Business 250 24-port partial-PoE switch has a full-width 1U rack-mount chassis measuring 445 mm wide, 299 mm deep, and 44 mm high. CBS250-24PP-4G-NA weighs 3.53 kg, and a mounting kit is included in the original package. Confirm rack depth and installation clearance before preparing the purchase order.
CBS250-24PP-4G-NA uses an internal 100-240V AC power supply, with worst-case consumption of 138.9W when providing PoE at 110V. System-only consumption at 110V is 34.4W. Size the rack's electrical allocation using the PoE-inclusive figure when endpoints are powered; the 100W endpoint budget is not the switch's total input load.
CBS250-24PP-4G-NA reached end of sale on October 29, 2024, and software maintenance plus vulnerability/security support ended October 29, 2025. Applicable hardware service and support end October 31, 2029. Cisco names no direct migration product for this PID, so remaining hardware support must not be confused with continuing software security maintenance.
CBS250-24PP-4G-NA is the named replacement for SG250-26HP-K9-NA, which reached end of sale on October 30, 2021. The replacement provides 24 Gigabit PoE+ access ports and four Gigabit SFP uplinks. Both products are now discontinued, so an existing upgrade plan should account for the replacement's own lifecycle and endpoint-power limits.
CBS250-24P-4G-NA provides a 195W PoE budget, compared with 100W on CBS250-24PP-4G-NA, while both have 24 Gigabit PoE+ access ports and four Gigabit SFP uplinks. Both models are discontinued. For existing fleets, the higher-budget model accommodates larger aggregate endpoint allocations; the partial-PoE model requires allocations to remain within 100W.
CBS250-24PP-4G-NA uses an internal AC power supply, whereas CBS250-8PP-E-2G-NA uses an included external AC adapter. Both models are discontinued. An internal-powered spare matches equipment connected directly by an AC power cord; an external-powered spare matches installations that retain the separate adapter arrangement. Confirm the required power connection when specifying replacement stock.
CBS250-48PP-4G-NA provides 48 Gigabit access ports instead of the 24 on CBS250-24PP-4G-NA; both retain four Gigabit SFP uplinks. Both models are discontinued. Existing fleets needing more copper connections should distinguish the 48-port chassis from the 24-port version when specifying matching spares rather than treating the two port densities as interchangeable.
The Business 250 24-port partial-PoE switch provides 512 MB of DRAM, 256 MB of flash, a 1.5 MB packet buffer, and an 8000-entry MAC address table. The packet buffer is shared dynamically across all ports. CBS250-24PP-4G-NA also supports dual firmware images and a USB Type-A slot for file and image management.
CBS250-24PP-4G-NA operates from -5°C to 50°C and has a published MTBF of 698220 hours at 25°C. Its regulatory ratings include UL 62368, CSA 22.2, CE marking, and FCC Part 15 Class A. These ratings accompany the fanless chassis; installation planning should keep the operating environment within the stated temperature range.
ORM Systems offers CBS250-24PP-4G-NA new sealed with up to 3-year extended warranty or certified refurbished with up to 1-year warranty. Both conditions include 30-day returns, terms apply. Cisco's separate limited lifetime hardware warranty remains subject to eligibility and ends October 31, 2029; software maintenance and vulnerability/security support ended October 29, 2025.
United States
