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WS-C2950SX-24
Cisco WS-C2950SX-24 Catalyst 2950 24-Port Fast Ethernet Swit...
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WS-C2950SX-24 combines two integrated 1000BASE-SX fiber uplinks with 24 10/100 RJ-45 access ports in a managed Layer 2 switch. Fixed optical connections distinguish this Cisco Catalyst 2950 configuration from copper-uplink models; the uplinks do not require separately installed transceivers or an uplink card. Standard Image supplies Cisco IOS functions for basic workgroup data, voice, and video connectivity. The rack-mount 1U chassis provides non-PoE access connections for independently powered endpoints. The discontinued WS-C2950SX-48-SI doubles the access-port density while retaining two fixed 1000BASE-SX uplinks. This configuration keeps Gigabit connectivity on the fiber connections rather than on the workstation-facing copper ports.
WS-C2950SX-24 price for new stock is is available on request. Get immediate quote. WS-C2950SX-24 refurb price is $434.01.
Request bulk order quote for WS-C2950SX-24 for additional pricing. Browse the full Cisco 2950 Catalyst Switches series or explore all Cisco products.
8.8 Gbps switching capacity provides the bandwidth ceiling for the access and uplink connections. 6.6 Mpps forwarding handles packet switching at the published rate, distinct from the bandwidth figure. An 8000-entry MAC table supports Layer 2 address learning, while 16 MB of DRAM supplies working memory. WS-C2950SX-24 draws a maximum of 30W, allowing its electrical requirement to be included in equipment power planning without an endpoint-power allowance. The Cisco Catalyst 2950SX-24 uses shared packet buffering and traffic queues for forwarding control. Browser-based Cisco CMS, Cisco Network Assistant, Telnet, SNMP, and the serial-console CLI provide management paths. The 0°C to 45°C operating range sets the environmental boundary for installation. Inter-VLAN routing remains outside this switch's Layer 2 function.
ORM Systems supplies WS-C2950SX-24 in new sealed and certified refurbished condition, with up to a 3-year extended warranty for new units and up to 1 year for certified refurbished units; both conditions include 30-day returns, with terms applying. Certified refurbished units are inspected and bench-tested for power-on and POST, clean boot, rated-speed links on every port, PSU status, and fan status, with firmware verified and configuration wiped to factory default. Specify condition and quantities on the purchase order. PO acceptance, Net-30 for government, and RMA with advance replacement support enterprise and volume orders across UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS |
Port Configuration | 24 x 10/100 RJ-45 / 2 x 1G fixed fiber |
Max Power Draw | 30W |
Lifecycle Status | End of sale October 21, 2008 / Support ended October 20, 2013 |
When retaining copper cabling during a like-for-like replacement, connections to servers, workstations, and routers use straight-through cables; connections to switches or repeaters use crossover cables. Before the purchase order, identify each link partner and specify the required cable wiring rather than reusing existing connections without checking their pinout.
When adding replacement hardware to an occupied equipment rack, allow at least 76 mm around ventilation openings and preserve access to the rear power connection. Adjacent equipment and cable routing must not restrict airflow. Confirm the available clearance and mounting position before specifying the installation arrangement on the purchase order.
Gigabit Ethernet on every access port
WS-C2950SX-24 limits its copper access ports to 10/100 Mbps. The two Gigabit fiber uplinks do not increase the native speed of connected copper endpoints.
Power over Ethernet for endpoints
WS-C2950SX-24 does not provide PoE output. Connected devices that need power through their network connection require separate power equipment rather than this switch alone.
Interchangeable optical uplink transceivers
WS-C2950SX-24 has integrated 1000BASE-SX uplinks with MT-RJ connections, not removable optical modules. Changing the optical interface type requires different switch hardware rather than a transceiver exchange.
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| WS-C2950SX-24 |  WS-C2950G-24-EI |  WS-C2950-24 |  WS-C2950G-12-EI |  WS-C2950T-48-SI | |
|---|---|---|---|---|---|
| Depth | 241.8 mm | 241.8 mm | 241.8 mm | 241.8 mm | 330.2 mm |
| Ethernet Technology | Fast Ethernet | Fast Ethernet | Fast Ethernet | Fast Ethernet | Fast Ethernet |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 43.6 mm | 43.6 mm | 43.6 mm | 43.6 mm | 43.6 mm |
| Manufacturer Part Number | WS-C2950SX-24 | WS-C2950G-24-EI | WS-C2950-24 | WS-C2950G-12-EI | WS-C2950T-48-SI |
| Power Consumption | 30W | 30W | 30W | 30W | 45W |
| Switching Capacity | 8.8 Gbps | 8.8 Gbps | 8.8 Gbps | 13.6 Gbps | 13.6 Gbps |
| Weight | 3 kg | 3 kg | 3 kg | 3 kg | 4.8 kg |
| Width | 444.5 mm | 444.5 mm | 444.5 mm | 444.5 mm | 444.5 mm |
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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.
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WS-C2950SX-24 identifies a Catalyst 2950 switch with 24 copper 10/100 Mbps ports and two fixed 1000BASE-SX uplinks. WS-C2950 identifies the switch family, SX identifies its optical uplink configuration, and 24 identifies the access-port count. This exact part number includes Standard Image software without a separate license suffix.
The Catalyst 2950 supports browser-based Cisco CMS, Cisco Network Assistant, CLI access through the serial console or Telnet, and SNMP management. Express Setup also supports browser-based initial configuration. For a replacement installation, specify the intended management method and prepare administrative access before connecting the switch to the production network.
WS-C2950SX-24 is discontinued, with end of sale on October 21, 2008, and Cisco support ending October 20, 2013. Cisco service has ended rather than remaining available under a current support term. A purchase must therefore distinguish the reseller's hardware coverage from the former manufacturer's support arrangements.
ORM Systems offers WS-C2950SX-24 new sealed with up to a 3-year extended warranty, or certified refurbished with up to 1 year. Both conditions have 30-day returns; terms apply. Cisco's original lifetime hardware warranty no longer provides active coverage: Cisco service ended October 20, 2013. ORM's warranty is separate from Cisco's.
WS-C2950SX-24 comes with Standard Image, or SI, for basic managed workgroup switching. Standard Image is the software configuration associated with this exact hardware model, not Network Essentials or Network Advantage. When matching an existing installation, specify the SI configuration rather than assuming that another Catalyst 2950 model has identical software features.
WS-C2950SX-24 uses two integrated 1G 1000BASE-SX uplinks with MT-RJ fiber connections. CAB-MTRJ-SC-MM-1M provides a 1 m multimode MT-RJ-to-SC connection, while CAB-MTRJ-ST-MM-1M provides MT-RJ-to-ST. Match the connector at the opposite end before ordering; these uplinks use built-in optics rather than removable SFP transceivers.
The Catalyst 2950 provides Layer 2 switching rather than inter-VLAN IP routing. Its forwarding function learns MAC addresses and switches Ethernet traffic, while communication between different IP networks requires a separate routing device. Specify that routing function elsewhere in the network instead of treating this switch as a routed-access replacement.
WS-C2950SX-24 uses an internal AC power supply and consumes a maximum of 30W. Its input ranges are 100-127V AC and 200-240V AC, with an external 12V DC redundant-power connection also available. Redundancy does not come from a second internal supply shipped in the chassis, so power arrangements must be specified separately.
WS-C2950SX-24 has 24 Fast Ethernet access ports, whereas WS-C2950SX-48-SI has 48; both use two fixed 1000BASE-SX uplinks. Both models are discontinued. For legacy hardware matching, the former corresponds to a 24-port requirement, while the latter corresponds to installations that require twice that access-port density without changing the uplink type.
WS-C2950SX-24 accepts AC mains power, whereas WS-C2950G-24-EI-DC uses DC input power. Both belong to the retired Catalyst 2950 family. For legacy replacement matching, the AC model corresponds to mains-powered installations, while the DC model corresponds to equipment positions with an existing DC power arrangement rather than an AC outlet.
WS-C2950SX-24 adds two fixed 1000BASE-SX fiber uplinks to the 24 Fast Ethernet ports, while WS-C2950-24 has only the 24 Fast Ethernet ports. Both are discontinued Standard Image models. The SX configuration matches legacy installations requiring dedicated Gigabit fiber connections; WS-C2950-24 matches installations whose connections remain entirely within its copper port configuration.
WS-C2950SX-24 is a rack-mount 1U switch measuring 43.6 mm high, 444.5 mm wide, and 241.8 mm deep, with a weight of 3 kg. Confirm the rack position and cable access before ordering. The chassis dimensions alone do not include the additional space required around its ventilation openings.
WS-C2950SX-24 carries UL 60950, CSA 22.2 No. 950, IEC 60950, and EN 60950 safety approvals, together with Class A EMC approvals including FCC Part 15 and EN 55022:1998. VCCI Class A and CE are also included. Match these approvals to the installation's compliance requirements before specifying the hardware.
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