Manual d'usuari del commutador gestionat Gigabit de 20 ports Cisco SG 300-20

Introducció

The Cisco SG 300-20 is a 20-port Gigabit Managed Switch designed to provide a reliable and efficient network foundation for small businesses. This switch offers advanced features to enhance critical business applications, protect sensitive data, and optimize network bandwidth. Its user-friendly design ensures straightforward setup and operation, contributing to a more efficient and connected workforce.

Contingut del paquet

Upon unpacking your Cisco SG 300-20 switch, verify that all the following items are included:

• Cisco SG 300-20 Ethernet Switch
• Cable d'alimentació
• Maquinari de muntatge
• Cable de sèrie
• CD-ROM with User Documentation (PDF)
• Guia d'inici ràpid

If any items are missing or damaged, please contact your vendor or Cisco support.

Configuració

Instal·lació física

The Cisco SG 300-20 switch is designed to be rack-mountable. Use the provided mounting hardware to secure the switch in a standard equipment rack. Ensure adequate ventilation around the device to prevent overheating.

Figura 1: Frontal view of the Cisco SG 300-20 20-Port Gigabit Managed Switch. This image displays the front panel with 20 Gigabit Ethernet ports and status indicators.

Connexió d'alimentació

Connect the provided power cord to the switch's power input and then to a suitable AC power outlet. The switch supports input voltages from 100 V AC to 240 V AC.

Connexions de xarxa

The switch features 20 ports for network connectivity:

• 18 x RJ-45 10/100/1000Base-T Network LAN Ports: For connecting network devices such as computers, servers, and other switches.
• 2 x RJ-45 10/100/1000Base-T Network Uplink Ports: These ports can be used for high-speed connections to other network segments or devices.
• 2 x SFP (mini-GBIC) Expansion Slots: These slots allow for flexible fiber optic or copper uplink connections using compatible SFP modules (not included). These are shared with two of the RJ-45 ports.
• 1 x Console Management Port: For direct command-line interface (CLI) access for initial configuration or advanced troubleshooting using the serial cable.

Connect your network cables to the appropriate ports. For initial configuration, you may need to use the console port.

Funcionament de l'interruptor

The Cisco SG 300-20 is a managed switch, offering extensive configuration options for network optimization and security. Management can be performed via a web-based interface, command-line interface (CLI) through the console port, or potentially through the Cisco Business App and Dashboard for simplified management.

Configuració Inicial

Refer to the included Quick Start Guide and the CD-ROM documentation for detailed instructions on initial setup and configuration of the switch's management interface. This typically involves assigning an IP address and setting up basic network parameters.

Funcions avançades

As a managed switch, the SG 300-20 supports various advanced features including VLANs, Quality of Service (QoS), Link Aggregation, and security protocols. These features allow for granular control over network traffic, enhanced performance, and robust security measures. Consult the full user documentation for detailed configuration guides for these features.

Manteniment

Regular maintenance ensures optimal performance and longevity of your Cisco SG 300-20 switch:

• Actualitzacions de firmware: Periodically check the Cisco support website for firmware updates. Keeping the firmware current can provide new features, performance improvements, and security patches.
• Control ambiental: Ensure the operating environment remains within specified temperature and humidity ranges. Keep the switch free from dust and obstructions to ventilation.
• Còpia de seguretat de la configuració: Regularly back up your switch configuration to prevent data loss in case of an unexpected event.

Resolució de problemes

If you encounter issues with your Cisco SG 300-20 switch, consider the following basic troubleshooting steps:

• Comprovació de potència: Verify that the power cord is securely connected and the power indicator light is on.
• Connexions de cable: Ensure all Ethernet cables are properly seated in their respective ports. Check for damaged cables.
• Llums indicadores: Observe the status indicator lights on the front panel. Refer to the user documentation for the meaning of different light patterns (e.g., link/activity, speed).
• Configuració de la xarxa: Confirm that the switch's IP address and other network settings are correctly configured and do not conflict with other devices on your network.
• Reinicia: As a first step for many issues, try power cycling the switch (unplug, wait 10 seconds, plug back in).
• Restabliment de fàbrica: If all else fails, a factory reset may resolve persistent issues, but this will erase all custom configurations. Refer to the documentation for the factory reset procedure.

For more complex issues, consult the detailed troubleshooting section in the full user manual or contact Cisco technical support.

Especificacions

Detailed technical specifications for the Cisco SG 300-20 20-Port Gigabit Managed Switch are provided below:

Figure 2: Cisco SG 300-20 20-Port Gigabit Managed Switch showing its physical dimensions (Length: 21.9", Width: 12.1", Height: 3.9"). Note: These dimensions are from the "Shipping Depth/Height/Width" in the product description, which might differ slightly from the "Product Dimensions" in specifications. The image itself shows 21.9" length, 12.1" width, and 3.9" height.

Informació de la garantia

The Cisco SG 300-20 switch comes with a Garantia limitada de per vida. For specific terms and conditions of this warranty, please refer to the warranty documentation included with your product or visit the official Cisco weblloc.

Suport

For additional support, detailed documentation, firmware downloads, and technical assistance, please visit the official Cisco Small Business support website. You can also refer to the CD-ROM with User Documentation provided in the package for comprehensive guides.