Cisco Catalyst 4948E 48-Port Gigabit Switch User Manual

1. Isingeniso

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. Ulwazi Lokuphepha

ISEXWAYISO: Ukwehluleka ukulandela le miyalelo yokuphepha kungabangela umlilo, ukushaqeka kukagesi, noma okunye ukulimala noma umonakalo.

• Qinisekisa ukuthi unikezwa amandla ngevolthitage matches the local power grid.
• Do not operate the switch in environments with excessive heat, humidity, or dust.
• Always disconnect power before performing any maintenance or installation procedures.
• This device should be installed by qualified personnel.
• Qinisekisa ukubeka phansi ngendlela efanele ukuze uvimbele izingozi zikagesi.

3. Okuqukethwe Kwephakheji

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
• Amadokhumenti (Umhlahlandlela Wokuqala Ngokushesha, Ulwazi Lokuphepha)

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

4. Umkhiqizo Uphelileview

4.1 Iphaneli langaphambili

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.
• Ama-LED wesimo: Indicators for system status, port activity, and power.

4.2 Iphaneli yangemuva

The rear panel typically includes:

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

5. Ukusetha nokufakwa

5.1 Ukukhwezwa kwamaRakhi

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. Align the switch with the rack posts and secure it using appropriate rack screws.
3. Ensure adequate airflow around the switch for proper cooling.

5.2 Ukuxhuma Amandla

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 Ukuxhumana Kwenethiwekhi

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. Iziqondiso Zokusebenza

6.1 Ukucushwa Kwasekuqaleni

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:

• Isilinganiso se-Baud: 9600
• Izingcezu zedatha: 8
• I-Parity: Akukho
• Misa izingcezu: 1
• Ukulawula Ukugeleza: Akukho

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

6.2 Ukuphathwa Kwezindawo Zokuxhumana

The switch can be managed via several interfaces:

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

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

7. Isondlo

Ukulungiswa njalo kuqinisekisa ukuthi inkinobho yakho ihlala isikhathi eside futhi isebenza kahle.

7.1 Ukuhlanza

• Hlanza ingaphandle leswishi ngezikhathi ezithile ngendwangu ethambile neyomile.
• Ensure ventilation openings are free from dust and obstructions. Do not use liquid cleaners or aerosols.

7.2 Ukuvuselelwa kweFirmware

Regularly check the Cisco support 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. Ukuxazulula izinkinga

Lesi sigaba sihlinzeka ngezixazululo ezinkingeni ezivamile ongahlangabezana nazo.

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

9. Imininingwane

10. Iwaranti kanye Nokusekela

10.1 Isiqinisekiso Esinomkhawulo

This Cisco Catalyst 4948E-F switch comes with a Iwaranti ekhawulelwe yezinsuku ezingama-90. 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 Ukwesekwa Kwezobuchwepheshe

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