Cisco Catalyst 4948E 48-Port Gigabit Switch User Manual

1. Úvod

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. Bezpečnostné informácie

UPOZORNENIE: Nedodržanie týchto bezpečnostných pokynov môže mať za následok požiar, úraz elektrickým prúdom alebo iné zranenie či škodu.

• Zabezpečte napájanie objtage matches the local power grid.
• Do not operate the switch in environments with excessive heat, humidity, or dust.
• Pred vykonaním akejkoľvek údržby alebo inštalácie vždy odpojte napájanie.
• This device should be installed by qualified personnel.
• Zabezpečte správne uzemnenie, aby ste predišli úrazu elektrickým prúdom.

3. Obsah balenia

Overte si, či sú všetky položky prítomné a v dobrom stave. Ak niektorá položka chýba alebo je poškodená, kontaktujte svojho predajcu.

• Cisco Catalyst 4948E 48-Port Gigabit Switch (WS-C4948E-F)
• Napájacie káble (množstvo sa môže líšiť v závislosti od regiónu)
• Rack-mount Kit
• Dokumentácia (Stručná úvodná príručka, Bezpečnostné informácie)

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

4. Produkt skončilview

4.1 Predný panel

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.
• Stavové LED diódy: Indicators for system status, port activity, and power.

4.2 Zadný panel

Zadný panel zvyčajne obsahuje:

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

5. Nastavenie a inštalácia

5.1 Montáž do stojana

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. Zarovnajte prepínač so stĺpikmi stojana a upevnite ho pomocou vhodných skrutiek stojana.
3. Ensure adequate airflow around the switch for proper cooling.

5.2 Pripojenie napájania

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 Sieťové pripojenia

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. Návod na obsluhu

6.1 Počiatočná konfigurácia

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:

• Prenosová rýchlosť: 9600
• Dátové bity: 8
• Parita: Žiadna
• Stop bity: 1
• Kontrola prietoku: Žiadne

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

6.2 Rozhrania pre správu

The switch can be managed via several interfaces:

• Rozhranie príkazového riadka (CLI): Accessible via console, Telnet, or SSH for advanced configuration.
• Simple Network Management Protocol (SNMP): For network monitoring and management.
• HTTPS: Pre web-based management (if enabled and configured).

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

7. Údržba

Pravidelná údržba zaisťuje dlhú životnosť a optimálny výkon vášho prepínača.

7.1 Čistenie

• Pravidelne čistite vonkajší povrch spínača mäkkou, suchou handričkou.
• Ensure ventilation openings are free from dust and obstructions. Do not use liquid cleaners or aerosols.

7.2 aktualizácií firmvéru

Pravidelne kontrolujte podporu spoločnosti 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. Riešenie problémov

Táto časť poskytuje riešenia bežných problémov, s ktorými sa môžete stretnúť.

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

9. Špecifikácie

10. Záruka a podpora

10.1 Obmedzená záruka

This Cisco Catalyst 4948E-F switch comes with a 90 dní obmedzená záruka. 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 Technická podpora

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