Cisco WS-C4948E-F

Cisco Catalyst 4948E 48-Port Gigabit Switch User Manual

Model: WS-C4948E-F

1. Utangulizi

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. Taarifa za Usalama

ONYO: Kukosa kufuata maagizo haya ya usalama kunaweza kusababisha moto, mshtuko wa umeme, au majeraha au uharibifu mwingine.

  • Hakikisha ugavi wa umeme ujazotage matches the local power grid.
  • Do not operate the switch in environments with excessive heat, humidity, or dust.
  • Daima ondoa umeme kabla ya kufanya taratibu zozote za matengenezo au usakinishaji.
  • This device should be installed by qualified personnel.
  • Hakikisha kuweka msingi mzuri ili kuzuia hatari za umeme.

3. Yaliyomo kwenye Kifurushi

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)
  • Kamba za Umeme (kiasi kinaweza kutofautiana kulingana na eneo)
  • Rack-mount Kit
  • Hati (Mwongozo wa Kuanza Haraka, Taarifa za Usalama)
Mbele view of the Cisco Catalyst 4948E 48-Port Gigabit Switch

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

4. Bidhaa Imeishaview

4.1 Jopo la mbele

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 za hali: Indicators for system status, port activity, and power.

4.2 Paneli ya Nyuma

Paneli ya nyuma kawaida inajumuisha:

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

5. Kuweka na Kuweka

5.1 Uwekaji wa Rack

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. Panga swichi na nguzo za raki na uifunge kwa kutumia skrubu zinazofaa za raki.
  3. Ensure adequate airflow around the switch for proper cooling.

Uunganisho wa Nguvu 5.2

  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 Miunganisho ya Mtandao

  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. Maagizo ya Uendeshaji

6.1 Usanidi wa Awali

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:

  • Kiwango cha Baud: 9600
  • Sehemu za data: 8
  • Usawa: Hakuna
  • Weka Bits: 1
  • Udhibiti wa Mtiririko: Hakuna

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

6.2 Violesura vya Usimamizi

The switch can be managed via several interfaces:

  • Kiolesura cha Mstari wa Amri (CLI): Accessible via console, Telnet, or SSH for advanced configuration.
  • Itifaki Rahisi ya Usimamizi wa Mtandao (SNMP): For network monitoring and management.
  • HTTPS: Kwa web-based management (if enabled and configured).

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

7. Matengenezo

Matengenezo ya mara kwa mara huhakikisha muda mrefu na utendaji bora wa swichi yako.

7.1 Kusafisha

  • Periodically clean the exterior of the switch with a soft, dry cloth.
  • Ensure ventilation openings are free from dust and obstructions. Do not use liquid cleaners or aerosols.

7.2 Sasisho za Firmware

Angalia usaidizi wa Cisco mara kwa mara 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. Utatuzi wa shida

Sehemu hii hutoa suluhisho kwa masuala ya kawaida ambayo unaweza kukutana nayo.

TatizoSababu inayowezekanaSuluhisho
Swichi haiwashi.No power, faulty power cord, or power supply failure.Check power connections. Verify power outlet functionality. Replace power cord or power supply if necessary.
Port LED is off.No link, faulty cable, or incorrect port configuration.Check cable connection. Replace cable. Verify port status and configuration via CLI.
Cannot access switch via network.Incorrect IP configuration, network connectivity issue, or firewall blocking access.Verify IP address, subnet mask, and gateway. Check network connectivity to the management interface. Ensure no firewall rules are blocking access. Try console access.
Utendaji wa mtandao wa polepole.Msongamano wa mtandao, kutolingana kwa pande mbili, au kebo yenye hitilafu.Check port statistics for errors or collisions. Ensure duplex settings match on both ends. Investigate network traffic patterns.

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

9. Vipimo

KipengeleMaelezo
MfanoWS-C4948E-F
Aina ya KifaaSwitch - 48 ports - L3 - managed
Aina ya UzioRack-mountable - 1U
Bandari48 x 10/100/1000BASE-T RJ45 + 4 x 1/10 Gigabit Ethernet SFP+
Uwezo wa Kubadilisha176 Gbps
IPv4 Switching PerformanceMpps 131
IPv6 Switching PerformanceMpps 110
Ukubwa wa Jedwali la MACViingilio 55K
VLAN zinazotumika4094
Vipimo (WxDxH)inchi 17.5 x 19.4 inchi 1.7 (cm 44.45 x 49.28 x 4.32 cm)
NguvuAC 120/230 V (50/60 Hz)
Joto la Uendeshaji32°F hadi 104°F (0°C hadi 40°C)
Joto la Uhifadhi-40°F hadi 167°F (-40°C hadi 75°C)
Unyevu wa Uendeshaji10 - 90% (non-condensing)
MTBF149,261 masaa
NyenzoChuma

10. Udhamini na Msaada

10.1 Udhamini Mdogo

This Cisco Catalyst 4948E-F switch comes with a Udhamini mdogo wa siku 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 Msaada wa Kiufundi

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

© 2023 Cisco Systems, Inc. Haki zote zimehifadhiwa. Taarifa katika hati hii zinaweza kubadilika bila taarifa.

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