Cisco Catalyst 4948E 48-Port Gigabit Switch User Manual

1. Вовед

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. Информации за безбедност

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

• Обезбедете ја јачината на напојувањетоtage matches the local power grid.
• Do not operate the switch in environments with excessive heat, humidity, or dust.
• Секогаш исклучувајте го напојувањето пред да извршите какви било процедури за одржување или инсталација.
• This device should be installed by qualified personnel.
• Обезбедете правилно заземјување за да спречите електрични опасности.

3. Содржина на пакетот

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)
• Кабли за напојување (количината може да варира во зависност од регионот)
• Комплет за монтирање на решетка
• Документација (Водич за брз почеток, Информации за безбедност)

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

4. Производот завршиview

4.1 Преден панел

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.
• Статусни LED диоди: Indicators for system status, port activity, and power.

4.2 Заден панел

The rear panel typically includes:

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

5. Поставување и инсталација

5.1 Монтирање на решетка

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. Порамнете го прекинувачот со столбовите на решетката и прицврстете го со соодветни завртки за решетката.
3. Ensure adequate airflow around the switch for proper cooling.

5.2 Поврзување за напојување

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 Мрежни врски

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. Упатства за работа

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:

• Стапка на бауд: 9600
• Битови на податоци: 8
• Паритет: Нема
• Стоп битови: 1
• Контрола на проток: Нема

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

6.2 Управувачки интерфејси

The switch can be managed via several interfaces:

• Интерфејс со командна линија (CLI): Accessible via console, Telnet, or SSH for advanced configuration.
• Едноставен протокол за управување со мрежата (SNMP): For network monitoring and management.
• HTTPS: 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. Одржување

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

7.1 Чистење

• Периодично чистете ја надворешноста на прекинувачот со мека, сува крпа.
• Ensure ventilation openings are free from dust and obstructions. Do not use liquid cleaners or aerosols.

7.2 Ажурирања на фирмверот

Редовно проверувајте ја поддршката на 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 Смена на проблеми

Овој дел нуди решенија за вообичаени проблеми со кои може да се соочите.

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

9. Спецификации

10. Гаранција и поддршка

10.1 Ограничена гаранција

This Cisco Catalyst 4948E-F switch comes with a 90 дена ограничена гаранција. 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 поддршка

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