Cisco WS-C2955C-12 12 Ports Switch
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WS-C2955C-12 Cisco 12 Ports Manageable Ethernet Switch Refurbished

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Part Number#: WS-C2955C-12
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Short Description:
WS-C2955C-12 Catalyst 2955C-12 Managed Layer (L4) Rack-mountable 12 Ethernet Ports & 2 100Base-Foreign Exchange Station (FXS) Ports Twisted Pair Multi-mode Optical Fiber Fast Ethernet Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Outline of the Cisco 12 Ports Catalyst Layer 4 Managed Switch

In the realm of networking, the WS-C2955C-12 Catalyst holds a significant position as a Managed Layer (L4) Rack-mountable switch. This comprehensive guide aims to unravel the intricacies of this device, shedding light on its key features, functionalities, and applications. Let's embark on a journey to understand the WS-C2955C-12 Catalyst 12-port Switch, demystifying its technical specifications for a broad audience.

Understanding the Basics of WS-C2955C-12 Cisco 12 Ports Ethernet Switch

The WS-C2955C-12 Catalyst is a networking switch designed for various applications. At its core, it is a Managed Layer 4 switch, implying a level of sophistication in its capabilities. The device is rack-mountable, making it suitable for installation in data centers, server rooms, or any other network infrastructure setup.

Ethernet Ports: The Backbone of Connectivity

A standout feature of the WS-C2955C-12 Catalyst is its 12 Ethernet ports. These ports serve as the backbone of connectivity, facilitating the seamless transfer of data within the network. Ethernet, a widely used networking technology, ensures reliable and efficient communication among connected devices.

100Base-FXS Ports: Bridging the Gap with Foreign Exchange Stations

In addition to the Ethernet ports, the WS-C2955C-12 Catalyst boasts 2 100Base-FXS ports. These ports play a crucial role in connecting to Foreign Exchange Stations (FXS). A Foreign Exchange Station is a device that interfaces between analog telephones and a digital telephone system. By incorporating 100Base-FXS ports, the WS-C2955C-12 Catalyst extends its functionality to support both data and voice communication, catering to diverse networking needs.

Twisted Pair and Multi-Mode Optical Fiber: Versatile Connectivity Options

The WS-C2955C-12 Catalyst offers versatility in connectivity by supporting both twisted pair and multi-mode optical fiber. Twisted pair cables are commonly used for Ethernet connections, while multi-mode optical fiber provides enhanced bandwidth and data transmission capabilities over longer distances. This flexibility in connectivity options ensures that the switch can adapt to various networking environments and requirements.

Fast Ethernet: Ensuring High-Speed Data Transfer

As a Fast Ethernet switch, the WS-C2955C-12 Catalyst is capable of delivering high-speed data transfer rates. Fast Ethernet has become a standard in modern networks, providing a significant boost in performance compared to traditional Ethernet. This feature is particularly crucial in today's data-intensive applications, where quick and reliable data transfer is essential.

Key Features of the WS-C2955C-12 Catalyst

  • Layer 4 Management: The Managed Layer 4 capabilities of the WS-C2955C-12 Catalyst contribute to efficient network management. Layer 4, operating in the Transport layer of the OSI model, enables the switch to make intelligent decisions based on information such as source and destination port numbers. This results in optimized data routing and improved network performance.
  • Rack-Mountable Design: The rack-mountable design of the WS-C2955C-12 Catalyst enhances its suitability for organized and space-efficient installations in server rooms and data centers. This design allows for easy integration into existing rack systems, simplifying the deployment process.
  • 12 Ethernet Ports: The 12 Ethernet ports provide a substantial number of connections for various devices within the network. This abundance of ports is advantageous in scenarios where multiple devices need to communicate simultaneously, promoting a smooth and responsive network.
  • 2 100Base-FXS Ports: The inclusion of 2 100Base-FXS ports extends the switch's capabilities beyond data communication. These ports cater to voice communication needs by interfacing with Foreign Exchange Stations, making the WS-C2955C-12 Catalyst a versatile solution for integrated data and voice networks.
  • Twisted Pair and Multi-Mode Optical Fiber Support: The switch's compatibility with both twisted pair and multi-mode optical fiber cables enhances its adaptability to diverse networking environments. This flexibility allows network administrators to choose the most suitable and cost-effective connectivity option based on specific requirements.
  • Fast Ethernet Speeds: Operating at Fast Ethernet speeds, the WS-C2955C-12 Catalyst ensures rapid data transfer within the network. This feature is crucial for applications that demand high bandwidth, such as video streaming, large file transfers, and real-time communication.

Applications of the WS-C2955C-12 Catalyst

  • Data Centers: The WS-C2955C-12 Catalyst's rack-mountable design and high port count make it well-suited for deployment in data centers. In this setting, the switch can efficiently handle the data transfer requirements of servers, storage devices, and other critical components.
  • Server Rooms: With its compact form factor and rack-mountable design, the WS-C2955C-12 Catalyst is an ideal choice for server rooms. The switch can provide the necessary connectivity for servers, ensuring seamless communication and data transfer within the server infrastructure.
  • Integrated Data and Voice Networks: The presence of 100Base-FXS ports enables the WS-C2955C-12 Catalyst to support integrated data and voice networks. This makes it suitable for environments where both data and voice communication are essential, such as offices and business settings.
  • Educational Institutions: Educational institutions with diverse networking needs can benefit from the WS-C2955C-12 Catalyst. Its multiple Ethernet ports can accommodate the connectivity requirements of classrooms, labs, and administrative areas, fostering a connected learning environment.

Performance and Throughput Capabilities

The WS-C2955C-12 Cisco Catalyst 12 Ports Managed Ethernet Switch is designed to provide high performance and throughput capabilities for enterprise networks. Some of the key features that contribute to this include:

  • Switching capacity: The switch has a switching capacity of 12.8 Gbps which allows for fast packet forwarding and high throughput.
  • Forwarding rate: It has a maximum forwarding rate of 10.3 Mpps (million packets per second) which allows for high-speed packet processing and low latency.
  • Jumbo frames: The switch supports jumbo frames up to 9216 bytes, which can increase throughput for large packets, such as those used in multimedia applications.
  • Quality of Service (QoS): The switch supports Quality of Service (QoS) capabilities, which allow for the prioritization of different types of network traffic, ensuring that critical applications and services receive the necessary bandwidth.
  • Power over Ethernet (PoE): The switch supports PoE, which allows it to power devices such as wireless access points and IP phones over the Ethernet cable, reducing the need for additional power sources and simplifying deployment.
  • StackWise: The switch supports StackWise technology, which allows multiple switches to be stacked together and managed as a single logical switch, increasing the number of available ports and allowing for easy expansion of the network as more devices are added.

All those features contribute to the high performance and throughput capabilities of the WS-C2955C-12 Cisco Catalyst 12 Ports Managed Ethernet Switch, allowing it to handle high-bandwidth applications and large numbers of connected devices effectively.

Power and Cooling Considerations

The WS-C2955C-12 Cisco Catalyst 12 Ports Managed Ethernet Switch is designed to be power efficient and have cooling considerations to minimize the environmental impact of its use. Some of the key features that contribute to this include:

  • Power Supply: The switch can be powered by an internal power supply or an external power supply, depending on the needs of the network. This allows for flexibility in power provisioning and can help reduce energy costs.
  • Energy Efficient Ethernet (EEE): The switch supports Energy Efficient Ethernet (EEE) which can help reduce power consumption when the switch is in a low-power idle state.
  • Power over Ethernet (PoE): The switch supports Power over Ethernet (PoE) which allows it to power devices such as wireless access points and IP phones over the Ethernet cable, reducing the need for additional power sources and simplifying deployment.
  • Temperature-controlled fan: The switch is equipped with a temperature-controlled fan which helps to keep the switch cool and minimize energy consumption.
  • EnergyWise: EnergyWise is a network-management technology that allows to monitoring and control of energy consumption of network devices. It helps to manage the energy consumption of all network-connected devices, including computers, access points, IP phones, and other devices.

All those features help to minimize the environmental impact of the WS-C2955C-12 Cisco Catalyst 12 Ports Managed Ethernet Switch and can help to reduce energy costs associated with its use.

Interoperability and Compatibility

The WS-C2955C-12 Cisco Catalyst 12 Ports Managed Ethernet Switch is designed to be interoperable and compatible with a wide range of devices and networks. Some of the key features that contribute to this include:

  • Standards-based: The switch is built on industry standards, such as IEEE 802.3, which ensures that it can work seamlessly with other devices and networks that adhere to the same standards.
  • Protocol Support: The switch supports a wide range of networking protocols, including IPv4, IPv6, TCP/IP, and others, which allows it to work with a wide range of devices and networks.
  • Interoperability: The switch is designed to be interoperable with other Cisco devices and network infrastructure, such as routers, switches, and wireless access points, which can help to simplify deployment and management of the network.
  • SNMP support: The switch supports SNMP (Simple Network Management Protocol) which allows for central management and monitoring of the switch from a remote location.
  • CLI: The switch comes with a command-line interface (CLI) that allows for manual configuration and monitoring of the switch, providing a level of flexibility for users.
  • Third-party compatibility: The switch can be integrated with third-party network management platforms, such as those from HP, IBM, and CA, allowing for centralized management of the network.

All those features help to ensure that the WS-C2955C-12 Cisco Catalyst 12 Ports Managed Ethernet Switch is compatible with a wide range of devices and networks and can be easily integrated into existing infrastructure to provide a seamless user experience.

General Information of the Cisco 12 Ports Manageable Switch

  • Manufacturer: Cisco
  • Model Number or SKU# WS-C2955C-12
  • Product Line: Catalyst
  • Product Series: 2955
  • Product Model: 2955C-12
  • Product Type: Ethernet Switch

Interfaces/Ports for Layer 4 Ethernet Switch:

  • Total Number of Network Ports: 12
  • Uplink Port: Yes
  • Number of MT-RJ Ports: 2
  • Number of Network (RJ-45) Ports: 12
  • Port/Expansion Slot Details: 12 x Fast Ethernet Network, 2 x Fast Ethernet Uplink

Media & Performance of 12 Ports Managed Switch:

  • Media Type Supported: Twisted Pair, Optical Fiber
  • Twisted Pair Cable Standard: Category 5
  • Fiber Optic Cable Standard: 9/125 µm
  • Fiber Mode Supported: Multi-mode
  • Ethernet Technology: Fast Ethernet
  • Network Technology: 10/100Base-TX, 100Base-FX

Network & Communication:

  • Layer Supported: 4

Management & Protocols

  • Manageable: Yes
  • Management:CLI
  • Syslog
  • SMON
  • Telnet
  • SNMPv1, v2, and v3
  • Web-based management
  • CiscoWorks
  • IEEE 802.1p QoS
  • IEEE 802.1Q VLAN
  • RMON (history, statistics, alarms, and events)
  • Standard Memory: 32 MB
  • Memory Technology: SDRAM
  • Flash Memory: 16 MB
Power Description
  • Input Voltage: 110 V AC, 220 V AC
  • Power Source: Power Supply
  • Redundant Power Supply: Yes
  • Catalyst 2955C-12 Managed Ethernet Switch
  • Catalyst 2955 Hardware Installation Guide (DOC-7814944=)
  • Power and relay connector
  • Switch installation protective liner
  • RJ-45-to-DB-9 console port adapter cable

In summary, the WS-C2955C-12 Catalyst 2955C-12 Managed Layer 4 Rack-mountable switch is a robust networking solution that combines advanced Layer 4 management with a versatile hardware design. Its multiple Ethernet ports, FXS capabilities, and support for optical fiber make it suitable for a wide range of applications, from telecommunication environments to medium to large-scale networks. As technology continues to advance, switches like the WS-C2955C-12 play a crucial role in ensuring efficient and reliable data transmission in our interconnected world.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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