Cisco Catalyst 4948E 48-Port Gigabit Switch User Manual

1. Réamhrá

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. Faisnéis Sábháilteachta

RABHADH: D’fhéadfadh tine, turraing leictreach nó gortú nó damáiste eile a bheith mar thoradh air mura leanann tú na treoracha sábháilteachta seo.

• A chinntiú go bhfuil an soláthar cumhachta voltage matches the local power grid.
• Ná húsáid an lasc in áit a bhfuil teas, taise nó deannach iomarcach.
• Dícheangail an chumhacht i gcónaí sula ndéantar aon nósanna imeachta cothabhála nó suiteála.
• This device should be installed by qualified personnel.
• Cinntigh talamh ceart chun guaiseacha leictreacha a chosc.

3. Ábhar Pacáiste

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)
• Trealamh Rack-Suite
• Doiciméadacht (Treoir Tosaigh Thapa, Faisnéis Sábháilteachta)

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

4. Táirge Tharview

4.1 Painéal Tosaigh

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

4.2 Painéal Cúil

De ghnáth bíonn an méid seo a leanas sa phainéal cúil:

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

5. Socrú agus Suiteáil

5.1 Gléasta Raca

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. Ailínigh an lasc leis na cuaillí raca agus daingnigh é ag baint úsáide as scriúnna raca cuí.
3. Ensure adequate airflow around the switch for proper cooling.

5.2 Ceangal Cumhachta

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 Naisc Líonra

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. Treoracha Oibriúcháin

6.1 Cumraíocht Tosaigh

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:

• Ráta Bád: 9600
• Giotán Sonraí: 8
• Paireacht: Dada
• Stop Giotáin: 1
• Rialú Sreafa: Dada

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

6.2 Comhéadain Bainistíochta

The switch can be managed via several interfaces:

• Comhéadan Líne Ordaithe (CLI): Accessible via console, Telnet, or SSH for advanced configuration.
• Prótacal Bainistíochta Líonra Simplí (SNMP): For network monitoring and management.
• HTTPS: Le haghaidh web-based management (if enabled and configured).

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

7. Cothabháil

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

7.1 Glanadh

• Glan taobh amuigh an lasc go tréimhsiúil le héadach bog, tirim.
• Ensure ventilation openings are free from dust and obstructions. Do not use liquid cleaners or aerosols.

7.2 Nuashonrú Firmware

Seiceáil tacaíocht Cisco go rialta websuíomh gréasáin le haghaidh na nuashonruithe firmware is déanaí. Is féidir le nuashonruithe a chur i bhfeidhm feidhmíocht a fheabhsú, gnéithe nua a chur leis, agus leochaileachtaí slándála a réiteach. Lean nósanna imeachta oifigiúla Cisco maidir le huasghráduithe firmware.

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. Fabhtcheartú

Cuireann an chuid seo réitigh ar fáil ar fhadhbanna coitianta a d’fhéadfadh teacht ort.

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

9. Sonraíochtaí

10. Barántas agus Tacaíocht

10.1 Barántas Teoranta

This Cisco Catalyst 4948E-F switch comes with a 90 lá bharántas teoranta. 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 Tacaíocht Theicniúil

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