Cisco Catalyst 4948E 48-Port Gigabit Switch User Manual

1. Introduksjon

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. Sikkerhetsinformasjon

ADVARSEL: Unnlatelse av å følge disse sikkerhetsinstruksjonene kan føre til brann, elektrisk støt eller annen personskade eller materielle skader.

• Sørg for at strømforsyningen voltage matches the local power grid.
• Ikke bruk bryteren i omgivelser med høy varme, fuktighet eller støv.
• Koble alltid fra strømmen før du utfører vedlikeholds- eller installasjonsprosedyrer.
• This device should be installed by qualified personnel.
• Sørg for riktig jording for å unngå elektriske farer.

3. Pakkens innhold

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)
• Rack-mount Kit
• Dokumentasjon (hurtigstartveiledning, sikkerhetsinformasjon)

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

4. Produktet er overview

4.1 Frontpanel

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.
• Status lysdioder: Indicators for system status, port activity, and power.

4.2 Bakpanel

The rear panel typically includes:

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

5. Oppsett og installasjon

5.1 Rackmontering

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. Juster bryteren med stativstolpene og fest den med passende stativskruer.
3. Ensure adequate airflow around the switch for proper cooling.

5.2 Strømtilkobling

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 Nettverkstilkoblinger

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. Bruksanvisning

6.1 Innledende konfigurasjon

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:

• Baudhastighet: 9600
• Databiter: 8
• Paritet: Ingen
• Stoppbiter: 1
• Strømningskontroll: Ingen

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

6.2 Administrasjonsgrensesnitt

The switch can be managed via several interfaces:

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

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

7. Vedlikehold

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

7.1 Rengjøring

• Rengjør utsiden av bryteren med jevne mellomrom med en myk, tørr klut.
• Ensure ventilation openings are free from dust and obstructions. Do not use liquid cleaners or aerosols.

7.2 firmwareoppdateringer

Sjekk Ciscos kundestøtte regelmessig webnettstedet for de nyeste fastvareoppdateringene. Å installere oppdateringer kan forbedre ytelsen, legge til nye funksjoner og løse sikkerhetsproblemer. Følg Ciscos offisielle prosedyrer for fastvareoppgraderinger.

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. Feilsøking

Denne delen inneholder løsninger på vanlige problemer du kan støte på.

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

9. Spesifikasjoner

10. Garanti og støtte

10.1 Begrenset garanti

This Cisco Catalyst 4948E-F switch comes with a 90 dager begrenset garanti. 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 Teknisk støtte

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