Cisco Catalyst 4948E 48-Port Gigabit Switch User Manual

1. Introduction

This manual provides essential information for the proper installation, operation, maintenance, and troubleshooting of the Cisco Catalyst 4948E 48-Port Gigabit Switch (Model: WS-C4948E-F). Please read this manual thoroughly before using the device to ensure optimal performance and safety.

The Cisco Catalyst 4948E-F Ethernet Switch is designed for server-access switching, offering forty-eight 10/100/1000 Mbps RJ45 downlink ports and four 1/10 Gigabit Ethernet uplink ports. It is optimized for full-featured Top-of-Rack (ToR) data center deployments in a one Rack Unit (1RU) form factor.

2. Consignes de sécurité

AVERTISSEMENT : Le non-respect de ces consignes de sécurité peut entraîner un incendie, une électrocution ou d'autres blessures ou dommages.

• Assurer l'alimentation voltage matches the local power grid.
• N’actionnez pas l’interrupteur dans des environnements où la chaleur, l’humidité ou la poussière sont excessives.
• Coupez toujours l'alimentation électrique avant d'effectuer toute opération de maintenance ou d'installation.
• This device should be installed by qualified personnel.
• Assurez-vous d'une bonne mise à la terre pour éviter les risques électriques.

3. Contenu du colis

Verify that all items are present and in good condition. If any item is missing or damaged, contact your vendor.

• Cisco Catalyst 4948E 48-Port Gigabit Switch (WS-C4948E-F)
• Power Cords (quantity may vary based on region)
• Kit de montage en rack
• Documentation (Guide de démarrage rapide, Informations de sécurité)

Figure 1 : Face avant view of the Cisco Catalyst 4948E 48-Port Gigabit Switch, showing 48 RJ45 ports and 4 SFP+ uplink ports.

4. Produit terminéview

4.1 Panneau avant

The front panel of the Cisco Catalyst 4948E-F switch features:

• 48 x 10/100/1000BASE-T RJ45 Ports: For connecting network devices such as servers, workstations, and other switches.
• 4 x 1/10 Gigabit Ethernet SFP+ Uplink Ports: For high-speed connections to the core network or other switches.
• Voyants d'état : Indicateurs d'état du système, d'activité des ports et d'alimentation.

4.2 Panneau arrière

Le panneau arrière comprend généralement :

• Dual AC Power Supply Slots: For redundant power supplies.
• Port de console : For local management and initial configuration.
• Port Ethernet de gestion : For out-of-band management.

5. Configuration et installation

5.1 Montage en rack

The Cisco Catalyst 4948E-F is a 1U rack-mountable device. Follow these steps to install it in a standard 19-inch equipment rack:

1. Attach the provided rack-mount brackets to the sides of the switch using the screws supplied with the kit.
2. Alignez le commutateur avec les montants du rack et fixez-le à l'aide des vis de rack appropriées.
3. Assurez une circulation d'air suffisante autour de l'interrupteur pour un refroidissement adéquat.

5.2 Connexion d'alimentation

1. Insert the power cords into the power supply modules at the rear of the switch.
2. Connect the other end of the power cords to a grounded AC power outlet.
3. The switch will power on automatically. Observe the system status LEDs.

5.3 Connexions réseau

1. Connect Ethernet cables from your network devices (servers, workstations) to the 10/100/1000BASE-T RJ45 ports on the front panel.
2. For uplink connections, insert SFP or SFP+ transceivers into the 1/10 Gigabit Ethernet SFP+ ports and connect fiber optic cables to your core network.

6. Mode d'emploi

6.1 Configuration initiale

For initial configuration, connect a console cable from your management workstation to the console port on the switch's rear panel. Use a terminal emulation program (e.g., PuTTY, Tera Term) with the following settings:

• Débit en bauds : 9600
• Bits de données : 8
• Parité : Aucune
• Bits d'arrêt: 1
• Contrôle de flux : Aucun

Follow the on-screen prompts to configure basic settings such as IP address, hostname, and management credentials.

6.2 Interfaces de gestion

The switch can be managed via several interfaces:

• Interface de ligne de commande (CLI) : Accessible via console, Telnet, or SSH for advanced configuration.
• Protocole simple de gestion de réseau (SNMP) : For network monitoring and management.
• HTTPS: Pour web-based management (if enabled and configured).

Refer to the Cisco IOS Software Configuration Guides for detailed information on advanced features and configurations.

7. Entretien

Regular maintenance ensures the longevity and optimal performance of your switch.

7.1 Nettoyage

• Nettoyez régulièrement l'extérieur de l'interrupteur avec un chiffon doux et sec.
• Ensure ventilation openings are free from dust and obstructions. Do not use liquid cleaners or aerosols.

7.2 mises à jour du micrologiciel

Consultez régulièrement le support Cisco website for the latest firmware updates. Applying updates can improve performance, add new features, and address security vulnerabilities. Follow Cisco's official procedures for firmware upgrades.

7.3 Power Supply Redundancy

The switch supports dual hot-swappable AC power supplies. In case of a power supply failure, the redundant unit will take over seamlessly. Replace faulty power supplies promptly to maintain redundancy.

8. Dépannage

Cette section propose des solutions aux problèmes courants que vous pourriez rencontrer.

For more complex issues, consult the Cisco documentation or contact Cisco Technical Assistance Center (TAC).

9. Spécifications

10. Garantie et assistance

10.1 Garantie limitée

This Cisco Catalyst 4948E-F switch comes with a Garantie limitée de 90 jours. This warranty covers defects in materials and workmanship under normal use. For specific terms and conditions, please refer to the warranty documentation provided with your product or contact your vendor.

10.2 Assistance technique

For technical assistance, product documentation, or software downloads, please visit the official Cisco support website: www.cisco.com/support. You may also contact Cisco Technical Assistance Center (TAC) for expert support.