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WS-CE520-24TT-K9
Cisco WS-CE520-24TT-K9 Catalyst Express 520 24-Port Fast Eth...
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WS-CE520-24TT-K9 is a managed Layer 2 access switch with 24 10/100Mbps endpoint ports and two fixed 10/100/1000BASE-T copper uplinks. The access ports do not supply PoE, so connected equipment requires its own power. Its full-width chassis provides a Rack-Mount 1U form factor for small-business equipment cabinets. The Cisco Catalyst Express 520 family serves small and medium-sized organizations using Ethernet connections for desktop, voice and wireless applications. The separate Gigabit uplinks connect the access switch to another switch or a server without changing the speed of the endpoint ports. The nearest powered sibling, WS-CE520-24LC-K9, adds PoE on four access ports; both models are discontinued.
WS-CE520-24TT-K9 price for new stock is is available on request. Get immediate quote. WS-CE520-24TT-K9 refurb price is $504.00.
Request bulk order quote for WS-CE520-24TT-K9 for additional pricing. Browse the full Cisco Catalyst Express 520 Switches series or explore all Cisco products.
8.8 Gbps switching capacity supports traffic across the installed Ethernet interfaces, while 6.6 Mpps forwarding defines the packet-processing rate. 8000 MAC entries provide the address-learning ceiling for the attached network. WS-CE520-24TT-K9 carries 64 MB of DRAM for its operating environment. Cisco IOS supplies the embedded software, and graphical administration uses Cisco Configuration Assistant or Cisco Network Assistant. SSL can encrypt switch-management traffic, while Cisco Smartports applies QoS and security settings for connected device roles. 30W maximum power consumption provides the allowance for cabinet electrical planning without an endpoint-power allocation. The switch operates as a standalone unit rather than a hardware-stack member, so additional units remain separate switches. Inter-VLAN routing requires another device because this model provides Layer 2 switching rather than routed access.
ORM Systems offers WS-CE520-24TT-K9 new sealed or certified refurbished; refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port and clean boot, with firmware verified and configuration wiped to factory default. New units carry up to a 3-year extended ORM warranty and certified refurbished units up to 1 year, with 30-day returns on every condition, terms apply; Cisco's original Limited Lifetime Hardware Warranty has ended. Specify the condition, quantity and required mounting hardware on the purchase order. For enterprise and volume orders, PO acceptance, Net-30 for government and RMA with advance replacement are available.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS |
Port Configuration | 24 x 100M access / 2 x 1G copper uplinks |
Max Power Draw | 30W |
Lifecycle Status | Retired / Cisco support ended |
When replacement switches must follow an existing small-business security policy, Cisco Configuration Assistant offers three preconfigured security levels. Treat that selection as a staging requirement rather than assuming factory settings match the site. Specify the required security profile and acceptance checks before issuing the purchase order.
When a service replacement is being ordered for an existing rack, mounting hardware can become a separate line item. RCKMNT-CATEXP= is the Catalyst Express rack-mount kit spare. Check whether the existing brackets will be reused and specify RCKMNT-CATEXP= on the purchase order when a spare kit is required.
Native Gigabit speeds on every endpoint
Endpoint links on this model stop at 100Mbps; the two Gigabit Ethernet connections are uplinks, not an upgrade to the access-port speed.
Fiber uplinks directly from the switch
Both uplinks use copper 10/100/1000BASE-T ports. No SFP cage is built into this model, so optical transceivers cannot provide a direct fiber connection.
Power for phones and access points
The access ports carry data without PoE output. Connected phones, cameras and access points therefore need separate power; this model cannot replace a PoE switch.
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| WS-CE520-24TT-K9 |  WS-CE520-8PC-K9 |  WS-CE520-24LC-K9 |  WS-CE500-24PC |  WS-CE500-24LC | |
|---|---|---|---|---|---|
| Depth | 251.5 mm | 231.1 mm | 251.5 mm | 365.8 mm | 251.5 mm |
| Ethernet Technology | Fast Ethernet | Fast Ethernet | Fast Ethernet | Fast Ethernet | Fast Ethernet |
| Form Factor | Rack-Mount 1U | Desktop | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 43.9 mm | 44 mm | 43.9 mm | 43.9 mm | 43.9 mm |
| Manufacturer Part Number | WS-CE520-24TT-K9 | WS-CE520-8PC-K9 | WS-CE520-24LC-K9 | WS-CE500-24PC | WS-CE500-24LC |
| Memory | 64 MB | 64 MB | 64 MB | 32 MB | 32 MB |
| Power Consumption | 30W | 204W | 110W | 460W | 110W |
| Switching Capacity | 8.8 Gbps | 16 Gbps | 8.8 Gbps | 8.8 Gbps | 8.8 Gbps |
| Weight | 3.7 kg | 2.3 kg | 3.7 kg | 5.5 kg | 3.7 kg |
| Width | 444.5 mm | 270 mm | 444.5 mm | 444.5 mm | 444.5 mm |
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New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
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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-CE520-24TT-K9 identifies the Catalyst Express 520-24TT configuration with 24 10/100 access ports and two 10/100/1000BASE-T uplinks. CE520 names the Catalyst Express 520 family, and 24TT distinguishes this non-PoE copper configuration. Use the complete part number when matching an existing unit.
WS-CE520-24TT-K9 supports graphical management through Cisco Configuration Assistant and Cisco Network Assistant. Cisco Configuration Assistant provides switch configuration and security controls, including preconfigured security levels. Management traffic can use SSL encryption, and Cisco Smartports supplies device-oriented QoS and security settings for connected equipment.
No, WS-CE520-24TT-K9 does not provide PoE on its access ports or uplinks. All Ethernet connections on this model carry data without supplying endpoint power. Phones, wireless access points and cameras must receive power separately; the switch has no shared PoE budget to allocate.
WS-CE520-24TT-K9 has two fixed 10/100/1000BASE-T copper uplinks, with a maximum uplink speed of 1Gbps per port. The model has no SFP cages or removable uplink-card bay. Optical transceivers therefore cannot be installed to convert either built-in uplink into a fiber connection.
No, WS-CE520-24TT-K9 is a standalone switch and does not support hardware stacking. Multiple units can be interconnected through Ethernet, but that connection does not create a hardware stack. A stacking kit or dedicated stack cable is not an expansion option for this model.
WS-CE520-24TT-K9 belongs to the retired Catalyst Express 520 family, and Cisco support has ended. Remaining new sealed or refurbished hardware does not change that status. Treat purchases as legacy maintenance or sparing decisions rather than deployments requiring active Cisco service coverage.
ORM Systems offers WS-CE520-24TT-K9 new sealed or certified refurbished, with up to a 3-year extended warranty for new units and up to 1 year for refurbished units. Returns are available for 30 days on every condition; terms apply. Cisco's original Limited Lifetime Hardware Warranty has ended with the retired product's support.
WS-CE520-24TT-K9 has no PoE ports, whereas WS-CE520-24LC-K9 supplies PoE on four access ports. Both configurations have 24 Fast Ethernet access connections. For legacy maintenance, the former matches separately powered endpoints and the latter matches a four-port powered layout; both models are discontinued.
WS-CE520-24TT-K9 provides 24 Fast Ethernet access ports, while WS-CE520-8PC-K9 provides eight. Access-port density is the distinction when matching an existing installation. The larger configuration suits a 24-connection replacement requirement; the smaller configuration matches an eight-connection layout. Both belong to the discontinued Catalyst Express 520 family.
WS-CE520-24TT-K9 has 10/100Mbps access ports, whereas WS-CE520G-24TC-K9 has 10/100/1000Mbps access ports. The Gigabit uplinks on the former do not increase its endpoint-port speed. Legacy replacement buyers should distinguish a Fast Ethernet endpoint layout from a Gigabit endpoint layout; both models are discontinued.
30W is the maximum power consumption of the Catalyst Express 520-24TT. Use that figure when allocating electrical capacity for this switch, rather than a consumption figure from a powered sibling. The model uses AC power and does not distribute PoE power to connected endpoints.
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