Cisco WS-C4948E-F

Cisco Catalyst 4948E 48-Port Gigabit Switch User Manual

Model: WS-C4948E-F

1. Kupu Whakataki

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. Nga korero haumaru

WHAKATŪPATO: Ki te kore e whai i ēnei tohutohu haumaru, ka pāngia pea koe e te ahi, te ru hiko, ētahi atu whara, kino rānei.

  • Whakaritehia te voltage matches the local power grid.
  • Do not operate the switch in environments with excessive heat, humidity, or dust.
  • Me momotu te hiko i mua i te whakahaere i tētahi tikanga tiaki, tāutanga rānei.
  • This device should be installed by qualified personnel.
  • Me whakarite kia tika te whakatuu whenua hei aukati i nga aitua hiko.

3. Ihirangi mokete

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)
  • Kete Whakamau Whatanga
  • Tuhinga (Arahi Timata Tere, Moohiohio Haumaru)
Mua view of the Cisco Catalyst 4948E 48-Port Gigabit Switch

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

4. Hua Neke Atuview

4.1 Paewhiri Mua

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

4.2 Paewhiri Whakamuri

Ko te nuinga o te wā kei roto i te papa o muri:

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

5. Tatūnga me te Tāuta

5.1 Whakapiki 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. Align the switch with the rack posts and secure it using appropriate rack screws.
  3. Me whakarite kia rawaka te rere o te hau huri noa i te pana kia pai ai te whakamatao.

5.2 Hononga Hiko

  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 Hononga Whatunga

  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. Nga Tohutohu Whakahaere

6.1 Whirihoranga Tuatahi

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:

  • Rere Paera: 9600
  • Moka Raraunga: 8
  • Parity: Karekau
  • Nga Mutu Aukati: 1
  • Mana Rere: Kore

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

6.2 Ngā Atanga Whakahaere

The switch can be managed via several interfaces:

  • Atanga Raina Whakahau (CLI): Accessible via console, Telnet, or SSH for advanced configuration.
  • Kawa Whakahaere Whatunga Maamaa (SNMP): For network monitoring and management.
  • HTTPS: Mo web-based management (if enabled and configured).

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

7. Tiaki

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

7.1 Te horoi

  • 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 Whakahoutanga Firmware

Tirohia te tautoko a Cisco i ia wā 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. Te Raru

Ko tenei waahanga e whakarato ana i nga otinga mo nga take noa ka pa ki a koe.

RaruraruTake peaRongoā
Karekau te whakahuri i te hiko.No power, faulty power cord, or power supply failure.Check power connections. Verify power outlet functionality. Replace power cord or power supply if necessary.
Kua whakaweto te rama LED o te tauranga.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.
Te puhoi o te mahi whatunga.Network congestion, duplex mismatch, or faulty cable.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. Whakatakotoranga

ĀhuahiraTaipitopito
TauiraWS-C4948E-F
Momo PūrereSwitch - 48 ports - L3 - managed
Momo WhakapiriRack-mountable - 1U
Tauranga48 x 10/100/1000BASE-T RJ45 + 4 x 1/10 Gigabit Ethernet SFP+
Te Kaha Whakawhiti176 Gbps
IPv4 Switching Performance131 Mpps
IPv6 Switching Performance110 Mpps
Rahi Teepu Wāhitau MACWhakauru 55
VLAN hohe4094
Ahu (WxDxH)17.5 in x 19.4 in x 1.7 in (44.45 cm x 49.28 cm x 4.32 cm)
ManaAC 120/230 V (50/60 Hz)
Te Waahi Mahi32°F ki te 104°F (0°C ki te 40°C)
Paemahana Rokiroki-40°F ki te 167°F (-40°C ki te 75°C)
Te haumākū whakahaere10 - 90% (non-condensing)
MTBF149,261 haora
RauemiTe whakarewa

10. Pūtāhui me te Tautoko

10.1 Rarangi Whaiti

This Cisco Catalyst 4948E-F switch comes with a 90 ra iti pūtāhui. 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 Tautoko Hangarau

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

© 2023 Cisco Systems, Inc. Pūmau te mana. Ka taea te whakarerekē i ngā mōhiohio o tēnei tuhinga me te kore panui.

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