Cisco Catalyst 4948E 48-Port Gigabit Switch User Manual

1. Pengenalan

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. Maklumat Keselamatan

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

• Pastikan bekalan kuasa voltage 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.
• Pastikan pembumian yang betul untuk mengelakkan bahaya elektrik.

3. Kandungan Pakej

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
• Dokumentasi (Panduan Mula Pantas, Maklumat Keselamatan)

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

4. Produk Lebihview

4.1 Panel Depan

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

4.2 Panel Belakang

Panel belakang biasanya merangkumi:

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

5. Persediaan dan Pemasangan

5.1 Pemasangan Rak

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. Jajarkan suis dengan tiang rak dan selamatkannya menggunakan skru rak yang sesuai.
3. Ensure adequate airflow around the switch for proper cooling.

5.2 Sambungan Kuasa

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 Sambungan Rangkaian

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. Arahan Operasi

6.1 Tatarajah Awal

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:

• Kadar Baud: 9600
• Bit Data: 8
• Pariti: Tiada
• Hentikan Bit: 1
• Kawalan Aliran: Tiada

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

6.2 Antara Muka Pengurusan

The switch can be managed via several interfaces:

• Antara Muka Baris Perintah (CLI): Accessible via console, Telnet, or SSH for advanced configuration.
• Protokol Pengurusan Rangkaian Mudah (SNMP): For network monitoring and management.
• HTTPS: Untuk web-based management (if enabled and configured).

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

7. Penyelenggaraan

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

7.1 Pembersihan

• Bersihkan bahagian luar suis secara berkala dengan kain lembut dan kering.
• Ensure ventilation openings are free from dust and obstructions. Do not use liquid cleaners or aerosols.

7.2 Kemas Kini Perisian Tegar

Semak sokongan Cisco secara berkala weblaman web untuk kemas kini perisian tegar terkini. Menggunakan kemas kini boleh meningkatkan prestasi, menambah ciri baharu dan menangani kelemahan keselamatan. Ikuti prosedur rasmi Cisco untuk naik taraf perisian tegar.

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. Penyelesaian masalah

Bahagian ini menyediakan penyelesaian kepada isu biasa yang mungkin anda hadapi.

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

9. Spesifikasi

10. Waranti dan Sokongan

10.1 Waranti Terhad

This Cisco Catalyst 4948E-F switch comes with a Waranti terhad 90 hari. 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 Sokongan Teknikal

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