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WS-C2918-24TT-C
Cisco WS-C2918-24TT-C Catalyst 2918 24-Port Fast Ethernet Sw...
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WS-C2918-24TT-C is a managed Layer 2 switch with 24 Fast Ethernet access ports and two fixed Gigabit copper uplinks, intended for small and midsize networks retaining 10/100 Mbps endpoint connections. The non-PoE hardware carries data without supplying endpoint power, so attached devices retain their own power arrangements. A full-width 1U chassis places the Cisco Catalyst 2918 Series in a standard equipment rack rather than a compact desktop footprint. The front panel and graphical interface use Simplified Chinese, which matters when matching an existing Chinese-market installation and its operating procedures. The retired WS-C2918-24TC-C sibling differs by offering shared copper/SFP uplinks; the TT configuration stays copper-only. This Fast Ethernet access switch has no removable uplink card bay.
WS-C2918-24TT-C price is is available on request. Get immediate quote.
Request bulk order quote for WS-C2918-24TT-C for additional pricing. Browse the full Cisco 2918 Catalyst Switches series or explore all Cisco products.
16 Gbps switching capacity defines the switching-fabric bandwidth, while 6.5 Mpps forwarding for 64-byte packets sets the packet-rate specification. An 8000-entry MAC address table holds learned endpoint addresses for frame forwarding. WS-C2918-24TT-C contains 64 MB DRAM and 32 MB flash, separating working memory from persistent image storage. STP, PortFast and BPDU guard control topology behavior and edge-port handling. LACP and PAgP support EtherChannel formation with compatible peers, while IGMPv3 snooping directs multicast traffic toward interested receivers. Port security limits access by MAC address, and TACACS+ or RADIUS centralizes administrator authentication. Copper troubleshooting uses TDR diagnostics to investigate link faults. The Catalyst 2918 remains an independently operating unit rather than a hardware stack, even when switch-cluster members are managed together. 30W maximum draw belongs in rack power sizing; the internal supply accepts 100-240V AC and provides neither a second supply bay nor an external RPS connector.
Specify WS-C2918-24TT-C in new sealed or certified refurbished condition, and confirm quantity, RCKMNT-1RU= rack hardware inclusion and regional fulfillment before submitting the purchase order. 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; firmware is verified and configurations are wiped to factory default. New units carry up to a 3-year extended warranty, certified refurbished units carry up to 1 year, and every condition has 30-day returns; terms apply. ORM accepts POs and provides Net-30 for government, RMA with advance replacement, and regional stock/RMA across the UK, EU, US and MEA for enterprise and volume orders.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS |
Port Configuration | 24 x 10/100 Mbps / 2 x 1G copper uplinks |
Max Power Draw | 30W |
Lifecycle Status | Retired; Cisco service has ended. |
When a branch rollout is replacing unmanaged connectivity with a common configuration, the Catalyst 2918 supports 64 active VLANs from 4000 available VLAN IDs. Keep the required segmentation within that active limit, prepare the management addressing, and specify the same configuration baseline for each unit before the purchase order.
When an existing copper-cabled site is replacing failed access hardware without changing its cable plant, each copper Ethernet connection is limited to 100 meters. Gigabit operation requires four-pair Category 5 or higher cabling. Survey patching, verify cable length, and include any necessary cable replacements in the purchase order.
When a lab needs to reproduce an existing traffic-priority policy before a hardware replacement, the Catalyst 2918 provides four output queues per port with Shaped Round Robin scheduling and strict-priority handling. Define the traffic classes and test the intended queue assignment, then specify the configuration to load during staging.
Gigabit speed on every access port
WS-C2918-24TT-C limits all 24 access ports to 10/100 Mbps. Its two Gigabit connections are uplinks, not a Gigabit access-port bank.
Fiber uplinks without external conversion
WS-C2918-24TT-C has fixed copper uplinks and no SFP cages. Installing an optical transceiver cannot add a fiber connection to this chassis.
Redundant power within one chassis
WS-C2918-24TT-C runs from one internal AC supply and has no RPS port. The chassis cannot accept a second internal supply for redundant power.
Active Cisco manufacturer support
WS-C2918-24TT-C belongs to the retired Catalyst 2918 family, and Cisco service has ended. Orders requiring active manufacturer support cannot use this retired hardware.
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| WS-C2918-24TT-C |  WS-C2918-48TC-C |  WS-C2918-48TT-C |  WS-C2918-24TC-C |  SX350X-08-K9 | |
|---|---|---|---|---|---|
| Depth | 236 mm | 236 mm | 236 mm | 236 mm | 203 mm |
| Ethernet Technology | Fast Ethernet | Fast Ethernet | Fast Ethernet | Fast Ethernet | 10 Gigabit Ethernet |
| Flash Memory | 32 MB | 32 MB | 32 MB | 32 MB | 256 MB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | WS-C2918-24TT-C | WS-C2918-48TC-C | WS-C2918-48TT-C | WS-C2918-24TC-C | SX350X-08-K9 |
| Memory | 64 MB | 64 MB | 64 MB | 64 MB | 512 MB |
| Power Consumption | 30W | 45W | 45W | 30W | 50.3W |
| Switching Capacity | 16 Gbps | 16 Gbps | 16 Gbps | 16 Gbps | 160 Gbps |
| Weight | 3.6 kg | 3.6 kg. | 3.6 kg. | 3.6 kg | 2.98 kg |
| Width | 445 mm | 445 mm | 445 mm | 445 mm | 440 mm |
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WS-C2918-24TT-C identifies a Catalyst 2918 fixed-configuration switch with 24 10/100 Ethernet access ports and two 10/100/1000BASE-T copper uplinks. The 24 segment denotes the access-port count, and the TT configuration uses copper uplinks rather than shared copper/SFP uplinks. The complete PID selects the Chinese-market model.
The Catalyst 2918 is managed through browser-based Device Manager, Cisco IOS CLI over console, Telnet or SSHv2, SNMP, CiscoView, and Network Assistant. The Device Manager uses a Simplified Chinese interface. Remote administration requires management IP settings and access configuration; CiscoView is a separately purchased application.
WS-C2918-24TT-C is retired, and Cisco service for the Catalyst 2918 family has ended. The model is no longer a supported Cisco switch. Procurement requiring manufacturer-backed maintenance must exclude this hardware; procurement for an existing installation must treat reseller coverage separately from Cisco service entitlement.
ORM offers WS-C2918-24TT-C 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 Limited Lifetime hardware warranty is no longer active because Catalyst 2918 service has ended. Refurbished units are inspected and bench-tested.
No, WS-C2918-24TT-C has two fixed 10/100/1000BASE-T copper uplinks and cannot accept SFP transceivers. The chassis contains no optical uplink cages or module bay to add them. Select this part only when the distribution connection is copper; inserting optics cannot change the physical interface type.
WS-C2918-24TT-C uses two copper Gigabit uplinks, while WS-C2918-24TC-C offers two shared copper/SFP Gigabit uplinks. Each shared uplink activates either its copper connector or its SFP slot, not both. Both models are retired; the TT variant matches existing copper links, while the TC variant accommodates existing fiber links.
WS-C2918-48TT-C provides 48 Fast Ethernet access ports where WS-C2918-24TT-C provides 24, with two copper Gigabit uplinks on each. Both are retired fixed-configuration models. The 24-port version fits an existing smaller port inventory; the 48-port version addresses legacy installations needing a larger access-port bank in one chassis.
No, WS-C2918-24TT-C uses a fixed internal AC supply and does not provide power-supply redundancy. The autosensing input accepts 100-240V AC, and the chassis has no RPS connector. Include its 30W maximum consumption in rack power planning; a second internal PSU cannot be added.
No, the Catalyst 2918 does not form a hardware stack; each switch remains an independent fixed-configuration unit. Management of switch-cluster members through the Cisco IOS CLI is not hardware stacking. Do not include a stack kit or dedicated stacking cables on the purchase order for this family.
The Catalyst 2918 supports 64 active VLANs from 4000 available VLAN IDs, so active segmentation must stay within 64 VLANs. The wider ID range does not increase the number of simultaneously configured VLANs. Plan the VLAN inventory against the active limit before reproducing an existing access configuration.
RCKMNT-1RU= is the spare rack-mounting kit for WS-C2918-24TT-C and the Catalyst 2918 family. The chassis supports standard 19-inch rack installation. Confirm that RCKMNT-1RU= is included when required with the quoted condition, and specify RCKMNT-1RU= when mounting parts are needed for a replacement installation.
WS-C2918-24TT-C provides 16 Gbps switching capacity and a 6.5 Mpps forwarding rate for 64-byte packets. These are separate metrics: the switching-fabric rating measures bandwidth, while the forwarding rate measures packet processing. The chassis also has 64 MB DRAM, 32 MB flash and an 8000-entry MAC table for managed switching.
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