WS-C2948G Cisco 48-Ports Managed Switch Catalyst 2948G Refurbished

The Cisco WS-C2948G Catalyst 2948G is a powerful Ethernet switch designed to meet the networking needs of businesses, offering 48 ports for 10/100TX RJ45 connections and 2 GBIC slots. This rack-mountable switch boasts advanced features such as 12MB memory, twisted pair manageability, and support for both 110 - 220 Volt AC power inputs with a redundant power supply. In this comprehensive guide, we will delve into the key aspects of the WS-C2948G, exploring its specifications, functionalities, and the advantages it brings to network infrastructure.

• Port Configuration: The WS-C2948G features 48 ports, each capable of supporting 10/100TX RJ45 connections. This extensive port configuration makes it suitable for environments where a multitude of network devices need to be connected, such as computers, printers, and other networking equipment.
• GBIC Slots: Additionally, the switch incorporates 2 Gigabit Interface Converter (GBIC) slots, providing flexibility for high-speed connections. GBIC slots allow for the use of interchangeable transceivers, enabling the switch to adapt to various networking requirements and configurations.
• Rack-Mountable Design: The rack-mountable design of the Catalyst 2948G ensures efficient use of space in data centers and network closets. This feature is particularly beneficial for organizations where space optimization is crucial.
• Memory Capacity: With a 12MB memory capacity, the WS-C2948G can handle the demands of modern networking tasks. This memory size enables the switch to efficiently manage network traffic, ensuring smooth and reliable operation in diverse networking environments.
• Twisted Pair Manageability: The switch supports twisted pair manageability, allowing for precise control and configuration of individual ports. This feature is instrumental in optimizing network performance, troubleshooting connectivity issues, and implementing security measures.
• Ethernet Switch: As an Ethernet switch, the WS-C2948G is capable of forwarding data frames between devices within the same network. This essential networking function facilitates communication between connected devices and ensures seamless data transfer.
• Power Input Support: The switch supports a wide range of power input, accommodating both 110 and 220 Volt AC. This adaptability makes it versatile and suitable for deployment in various geographical regions with different power standards.
• Redundant Power Supply: Redundancy is a critical aspect of network reliability. The WS-C2948G addresses this by featuring a redundant power supply, minimizing the risk of downtime due to power-related issues. This redundancy ensures uninterrupted operation even if one power source fails.

• Physical Dimensions: The Cisco WS-C2948G has dimensions that adhere to industry standards for rack-mounted equipment. Its physical measurements ensure compatibility with standard server racks and network cabinets, facilitating easy integration into existing network infrastructure.
• Weight: Understanding the weight of networking equipment is essential for planning and installing hardware in a data center or network closet. The weight of the WS-C2948G is within a range that allows for convenient handling and installation.
• Power Consumption: Efficient power consumption is a crucial consideration for organizations aiming to minimize their environmental footprint and reduce energy costs. The specifications of the WS-C2948G include details about its power consumption, aiding businesses in making informed decisions regarding energy efficiency.
• Fan System: The cooling system of the switch, typically involving fans, plays a vital role in maintaining optimal operating temperatures. Examining the specifications related to the fan system provides insights into the switch's ability to dissipate heat effectively, ensuring stable performance.
• Management Interface: The switch's management interface is a key aspect of its usability. Whether accessed through a web-based interface, a command-line interface (CLI), or other means, understanding how administrators interact with and configure the switch is essential for efficient network management.

• Scalability: The extensive port configuration, coupled with GBIC slots, makes the WS-C2948G highly scalable. Organizations can easily expand their network infrastructure by adding more devices and connecting them to the available ports.
• Flexibility: The inclusion of GBIC slots enhances the switch's flexibility by allowing for different types of transceivers to be used. This flexibility is valuable in heterogeneous network environments where various connectivity options may be required.
• Reliability: Redundancy in power supply and efficient cooling contribute to the overall reliability of the WS-C2948G. These features ensure that the switch can operate continuously without interruptions, reducing the risk of network downtime.
• Ease of Management: The twisted pair manageability and a user-friendly management interface contribute to the ease of managing the switch. Network administrators can configure and monitor the switch efficiently, streamlining network management tasks.
• Versatility: The switch's support for both 110 and 220-volt AC power input makes it versatile and suitable for deployment in various locations worldwide. This adaptability is advantageous for organizations with a global presence.
• Cost-Effectiveness: The WS-C2948G provides a cost-effective solution for organizations seeking a reliable and scalable Ethernet switch. Its features and specifications are designed to meet the networking needs of businesses without compromising on performance.

• Manageability: The WS-C2948G Catalyst 2948G is equipped with advanced management capabilities, allowing network administrators to configure, monitor, and optimize network settings. This includes features such as VLAN (Virtual Local Area Network) configuration, QoS (Quality of Service) settings, and port management.
• Ethernet Switching: As an Ethernet switch, the WS-C2948G Catalyst 2948G excels in forwarding data frames efficiently within a local network. It uses Layer 2 (Data Link Layer) switching to make forwarding decisions based on MAC (Media Access Control) addresses, contributing to fast and reliable data transmission.
• Support for 110-220 Volt AC: The switch is designed to support a wide voltage range, from 110 to 220 Volt AC. This adaptability ensures compatibility with various power sources, offering flexibility in deployment scenarios.
• Redundant Power Supply: Ensuring high availability, the WS-C2948G Catalyst 2948G is equipped with a redundant power supply. This feature enhances reliability by providing backup power in the event of a primary power source failure, minimizing downtime and ensuring continuous network operation.

The WS-C2948G is engineered to operate within a broad power input range of 110-220 Volts AC. This adaptability makes the switch suitable for deployment in various locations with different power specifications. Additionally, the support for redundant power supply enhances the switch's reliability by ensuring continuous operation even in the event of a power source failure.

The WS-C2948G Cisco Catalyst 2948G switch is designed for high performance and reliability in enterprise networks. It has a maximum switching capacity of 17.6 Gbps, which allows it to handle a large amount of network traffic. The switch also has a forwarding rate of 13.1 million packets per second (mpps), which allows it to process packets quickly and efficiently.

The switch supports advanced Quality of Service (QoS) features, which allow you to prioritize different types of traffic, ensuring that critical applications receive the bandwidth they need. Additionally, it also supports VLANs, which allow you to segment your network, improving security and reducing network congestion.

In terms of reliability, the switch has redundant power supplies and cooling fans to ensure that it stays up and running even in the event of a failure. It also supports advanced features such as 802.1x, DHCP snooping, and IP source guard, which help to improve security and prevent unauthorized access to the network.

The switch also has a built-in web-based management interface for easy configuration and monitoring, and it supports Cisco's IOS command-line interface for advanced configuration. It also supports SNMP, RMON, and syslog for network management and monitoring.

Interface Provided for Digital Workplace

The model Cisco Catalyst 2948G switch provides several interfaces that can be used to manage and monitor the switch in a digital workplace.

One of the main interfaces provided is the web-based management interface, which can be accessed through a web browser. This interface allows users to easily configure and monitor the switch, including setting up VLANs, configuring Quality of Service (QoS) settings, and monitoring switch statistics.

The switch also supports Cisco's IOS command-line interface (CLI) for advanced configuration and monitoring. This interface allows users to access the full range of switch features and settings through a command-line interface and is typically used by network administrators and other experienced users.

The switch also supports SNMP, RMON, and syslog for network management and monitoring. SNMP (Simple Network Management Protocol) allows for remote management and monitoring of the switch. RMON (Remote Monitoring) allows for the collection of statistics and events from the switch, while syslog allows for the logging of switch events.

Additionally, the switch also supports Cisco's Network Assistant and Cisco Works LMS (Lifecycle Management Services) for centralized management and monitoring of multiple switches. This allows network administrators to easily manage and monitor multiple switches from a single interface, which helps to simplify the management of large, complex networks.

• Manufacturer: Cisco
• Model Number or SKU# WS-C2948G
• Product Line: Catalyst
• Product Series: 2900
• Product Model: 2948G
• Product Name: Catalyst 2948G Ethernet Switch
• Product Type: Ethernet Switch

• Total Network Ports: 48
• RJ-45 Network Ports: 48
• Fast Ethernet Network Ports: 48
• Gigabit Ethernet Expansion Slots: 2

• Media Type Supported: Twisted Pair
• Ethernet Technology: Fast Ethernet
• Network Technology: 10/100Base-TX, 10Base-T

• Total Expansion Slots: 2
• Expansion Slot Type: GBIC
• Number of GBIC Slots: 2

• Manageable: Yes
• Management Protocols:
  • CiscoWorks2000 Network Management Suite
  • CWSI Campus
  • Cisco Discovery Protocol
  • Virtual Trunking Protocol (VTP)
  • SNMP agent v1 and SNMPv2c
  • Cisco Workgroup MIB
  • Ethernet MIB, Repeater MIB, SNMP MIB II
  • RMON, RMON II
  • Interface Table, Bridge MIB
  • Station Management (SMT) 7.3
  • Switched Port Analyzer (SPAN)
  • Enhanced Switched Port Analyzer (EnhancedSPAN)
  • Port snooping and connection steering
  • Text-based command-line interface (similar to Catalyst 5000 Series)
  • Standard Cisco IOS security capabilities: passwords and TACACS+
  • Management access through Telnet, TFTP, and BOOTP

Memory

• Flash Memory: 12 MB

Power Description

• Input Voltage: 110 V AC, 220 V AC
• Power Source: Power Supply
• Redundant Power Supply: Yes

In summary, the WS-C2948G Catalyst 2948G Ethernet switch stands out as a versatile and reliable networking solution. With its ample port configuration, memory capacity, manageability features, and support for industry standards, this switch caters to the needs of diverse networking environments. Whether used in small to medium-sized businesses or large-scale enterprises, the WS-C2948G proves to be a valuable asset in building a robust and efficient network infrastructure.