Cisco Catalyst 4948E 48-Port Gigabit Switch User Manual

1. Introduktion

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. Sikkerhedsoplysninger

ADVARSEL: Manglende overholdelse af disse sikkerhedsinstruktioner kan resultere i brand, elektrisk stød eller anden personskade eller beskadigelse.

• Sørg for, at strømforsyningen voltage matches the local power grid.
• Do not operate the switch in environments with excessive heat, humidity, or dust.
• Afbryd altid strømmen, før du udfører vedligeholdelse eller installation.
• This device should be installed by qualified personnel.
• Sørg for korrekt jording for at forhindre elektriske farer.

3. Pakkens indhold

Bekræft, at alle varer er til stede og i god stand. Hvis nogen varer mangler eller er beskadiget, skal du kontakte din forhandler.

• Cisco Catalyst 4948E 48-Port Gigabit Switch (WS-C4948E-F)
• Netledninger (antallet kan variere afhængigt af regionen)
• Rack-mount Kit
• Dokumentation (hurtigstartguide, sikkerhedsoplysninger)

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

4. Produktet er slutview

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 LED'er: Indikatorer for systemstatus, portaktivitet og strøm.

4.2 Bagpanel

Bagpanelet indeholder typisk:

• Dual AC Power Supply Slots: For redundant power supplies.
• Konsolport: For local management and initial configuration.
• Ethernet-port til administration: For out-of-band management.

5. Opsætning og installation

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 kontakten med rackstolperne, og fastgør den med passende rackskruer.
3. Sørg for tilstrækkelig luftgennemstrømning omkring kontakten for korrekt afkøling.

5.2 Strømtilslutning

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 Netværksforbindelser

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. Betjeningsvejledning

6.1 Indledende konfiguration

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:

• Baud rate: 9600
• Databits: 8
• Paritet: Ingen
• Stop Bits: 1
• Flowkontrol: Ingen

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

6.2 Administrationsgrænseflader

The switch can be managed via several interfaces:

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

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

7. Vedligeholdelse

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

7.1 Rengøring

• Rengør jævnligt ydersiden af ​​kontakten med en blød, tør klud.
• Ensure ventilation openings are free from dust and obstructions. Do not use liquid cleaners or aerosols.

7.2 firmwareopdateringer

Tjek regelmæssigt Cisco-supporten 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. Fejlfinding

Dette afsnit indeholder løsninger på almindelige problemer, du kan støde på.

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

9. Specifikationer

10. Garanti og support

10.1 Begrænset garanti

This Cisco Catalyst 4948E-F switch comes with a 90 dages begrænset 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 support

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