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WS-C2955C-12
Cisco WS-C2955C-12 Catalyst 2955 12-Port Fast Ethernet DIN R...
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WS-C2955C-12 is a fanless, managed Layer 2 industrial switch with 12 10/100 Mbps copper access ports and two fixed 100BASE-FX multimode fiber uplinks. The DIN-rail enclosure places Fast Ethernet connectivity inside industrial control cabinets rather than a conventional rack chassis. Its ports provide data connectivity without PoE output, so attached devices retain their own power arrangements. The Catalyst 2955 series extends the Cisco Catalyst family into industrial automation and transportation networks. The discontinued WS-C2955S-12 differs by using single-mode fiber uplinks instead of multimode fiber. For a legacy replacement, match the existing fiber installation rather than treating the two configurations as interchangeable.
WS-C2955C-12 price is is available on request. Get immediate quote.
Request bulk order quote for WS-C2955C-12 for additional pricing. Browse the full Cisco 2955 Catalyst Switches series or explore all Cisco products.
13.6 Gbps switching fabric provides the internal switching architecture, while 2 Mpps forwarding handles the model's traffic at the published 64-byte packet rate. An 8000-entry MAC table maintains learned endpoint addresses. WS-C2955C-12 provides 32 MB DRAM and 16 MB flash memory for software and configuration storage. STP, RSTP and MSTP manage redundant Layer 2 paths; LACP supports link aggregation, and IGMP snooping controls multicast forwarding to interested ports. Four output queues per port support traffic prioritization rather than treating every traffic class identically. SPAN and RSPAN provide traffic-monitoring paths for troubleshooting. The switch does not provide IP routing between VLANs, so routed traffic requires another device. Its 23W maximum consumption establishes the switch load to include when sizing cabinet power.
Order WS-C2955C-12 in new sealed or certified refurbished condition, with the required power accessories and fiber leads identified on the PO. Certified refurbished units are inspected and bench-tested for power-on, POST, every port linking at rated speed and clean boot; firmware is verified and configuration is wiped to factory default. ORM warranties provide up to a 3-year extended term for new units and up to 1 year for certified refurbished units, with 30-day returns on every condition; terms apply. For enterprise and volume orders, PO acceptance, Net-30 for government, RMA with advance replacement, and regional stock/RMA across the UK, EU, US and MEA are available.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS |
Port Configuration | 12 x 10/100 Mbps / 2 x 100BASE-FX |
Max Power Draw | 23W |
Cooling | Fanless |
Lifecycle Status | Retired / Cisco support ended |
When several existing cabinets need a common configuration workflow, Cisco Cluster Management Suite can manage a cluster of 16 interconnected switches. Establish the command-switch arrangement and management addressing before procurement. Specify the required configuration and confirm the installed management workflow before approving replacement quantities.
When a legacy cabinet replacement must preserve external alarm signaling, two alarm relays provide connections for cabinet monitoring equipment. Identify the existing relay wiring and the events assigned to each output. Include the alarm configuration and connector requirements in the replacement scope before issuing the PO.
PoE-powered endpoint connections
WS-C2955C-12 cannot supply Ethernet power to attached endpoints. Powering the switch from an external source does not add PoE output to its access ports.
Gigabit or faster fiber uplinks
WS-C2955C-12 limits its fixed fiber uplinks to 100 Mbps. The built-in connections are not SFP cages and cannot accept interchangeable higher-speed transceivers.
Active Cisco support coverage
WS-C2955C-12 belongs to a retired series that Cisco no longer supports. The hardware cannot meet a purchasing requirement for active manufacturer service coverage.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| WS-C2955C-12 |  WS-C2955T-12 |  WS-C2955S-12 |  C1300-24T-4G |  WS-C3560CG-8TC-S | |
|---|---|---|---|---|---|
| Depth | 128 mm | 127.8 mm | 128 mm | 240 mm | 213 mm |
| Ethernet Technology | Fast Ethernet | Fast Ethernet | Fast Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 16 MB | 16 MB | 16 MB | 1 GB | 64 MB |
| Form Factor | DIN Rail Mount | DIN Rail Mount | DIN Rail Mount | Rack-Mount 1U | Desktop |
| Height | 96 mm | 96 mm | 96 mm | 43.94 mm | 44.4 mm |
| Manufacturer Part Number | WS-C2955C-12 | WS-C2955T-12 | WS-C2955S-12 | C1300-24T-4G | WS-C3560CG-8TC-S |
| Memory | 32 MB | 32 MB | 32 MB | 1 GB | 128 MB |
| Power Consumption | 23W | 23W | 23W | 14.8W | 20W |
| Weight | 1.4 kg | 1.4 kg | 1.4 kg | 2.63 kg | 1.35 kg |
| Width | 205 mm | 205 mm | 205 mm | 444.3 mm | 269 mm |
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WS-C2955C-12 identifies a Catalyst 2955 industrial switch with 12 copper access ports and two multimode fiber uplinks. The 2955 segment identifies the series, C selects the 100BASE-FX configuration, and -12 identifies the access-port count. Use the complete identifier when specifying a replacement.
WS-C2955C-12 supports web-based Cisco Cluster Management Suite, console CLI, SSH, Telnet and SNMP-based management through CiscoWorks. Cisco Network Assistant also provides configuration workflows. Select the management path that matches the existing installation, and confirm administrative access and the required configuration before putting a replacement into service.
WS-C2955C-12 belongs to the retired Catalyst 2955 series and no longer receives Cisco support. Treat this part as a legacy replacement rather than a supported new deployment choice. Confirm that the organization's support policy permits retired equipment before placing the purchase order.
ORM Systems offers WS-C2955C-12 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 five-year limited hardware warranty has ended with the series' retirement.
WS-C2955C-12 uses two fixed 100BASE-FX multimode fiber uplinks with MT-RJ connectors, not SFP cages. Match the remote port and patch-cable ends before ordering. CAB-MTRJ-SC-MM-1M provides a 1 m MT-RJ-to-SC connection; select the cable length and far-end connector required by the installed fiber termination.
WS-C2955C-12 requires external 24V DC power and provides two DC inputs; the switch does not contain an internal AC power supply. PWR-2955-AC= provides the AC-to-DC option. Specify the power arrangement and confirm which power accessories are included before approving the quotation.
Catalyst 2955 switches do not support hardware stacking; Cisco Cluster Management Suite instead manages clusters of 16 interconnected switches. That grouping does not create a shared hardware switching stack. Specify separate network connections and power arrangements for each unit when extending an existing installation.
No, WS-C2955C-12 does not route IP traffic between VLANs; the switch operates at Layer 2. VLAN segmentation and traffic prioritization do not supply a routing function. Include a separate routing device in the network design when endpoints in different VLANs must communicate.
WS-C2955C-12 uses multimode 100BASE-FX uplinks, whereas WS-C2955S-12 uses single-mode 100BASE-LX uplinks. Both belong to the retired Catalyst 2955 series. The multimode model matches existing multimode plant; the single-mode version matches single-mode links. Verify the installed fiber and remote connection when specifying a legacy replacement.
WS-C2955C-12 has 100 Mbps fiber uplinks, whereas WS-C2955T-12 provides two 10/100/1000BASE-T copper uplinks. Both models are discontinued. The first matches established Fast Ethernet fiber connections; the second matches copper uplinks requiring Gigabit Ethernet. Select a legacy spare around the installed uplink medium and speed.
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