Cisco Catalyst 4948E 48-Port Gigabit Switch User Manual

1. Увод

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. Безбедносне информације

WARNING: Failure to follow these safety instructions could result in fire, electric shock, or other injury or damage.

• Уверите се да је напајање волtage matches the local power grid.
• Do not operate the switch in environments with excessive heat, humidity, or dust.
• Увек искључите напајање пре него што извршите било какве поступке одржавања или инсталације.
• This device should be installed by qualified personnel.
• Осигурајте правилно уземљење да бисте спречили опасности од струјног удара.

3. Садржај пакета

Проверите да ли су све ставке присутне и у добром стању. Ако било која ставка недостаје или је оштећена, обратите се продавцу.

• Cisco Catalyst 4948E 48-Port Gigabit Switch (WS-C4948E-F)
• Power Cords (quantity may vary based on region)
• Rack-mount Kit
• Документација (Кратки водич, Безбедносне информације)

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

4. Производ је готовview

4.1 Предња плоча

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.
• ЛЕД лампице статуса: Indicators for system status, port activity, and power.

4.2 Задња плоча

Задњи панел обично садржи:

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

5. Подешавање и инсталација

5.1 Монтажа у сталак

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 Прикључак за напајање

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 Мрежне везе

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. Упутство за употребу

6.1 Почетна конфигурација

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:

• Брзина преноса: 9600
• Битови података: 8
• Паритет: Нема
• Стоп битови: 1
• Контрола протока: нема

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

6.2 Интерфејси за управљање

The switch can be managed via several interfaces:

• Интерфејс командне линије (CLI): Accessible via console, Telnet, or SSH for advanced configuration.
• Једноставан протокол за управљање мрежом (СНМП): For network monitoring and management.
• ХТТПС: За web-based management (if enabled and configured).

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

7. Одржавање

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

7.1 Чишћење

• Периодично чистите спољашњост прекидача меком, сувом крпом.
• Ensure ventilation openings are free from dust and obstructions. Do not use liquid cleaners or aerosols.

7.2 Ажурирања фирмвера

Редовно проверавајте Cisco подршку 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.

КСНУМКС. Решавање проблема

Овај одељак пружа решења за уобичајене проблеме на које можете наићи.

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

9. Спецификације

10. Гаранција и подршка

10.1 Ограничена гаранција

This Cisco Catalyst 4948E-F switch comes with a 90 дана ограничене гаранције. 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 Техничка подршка

For technical assistance, product documentation, or software downloads, please visit the official Cisco support webсајт: ввв.цисцо.цом/суппорт. You may also contact Cisco Technical Assistance Center (TAC) for expert support.