Cisco WS-C4948E-F
Cisco Catalyst 4948E 48-Port Gigabit Switch User Manual
Model: WS-C4948E-F
1. Ifihan
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. Alaye Aabo
WARNING: Failure to follow these safety instructions could result in fire, electric shock, or other injury or damage.
- Rii daju pe ipese agbara voltage matches the local power grid.
- Do not operate the switch in environments with excessive heat, humidity, or dust.
- Nigbagbogbo ge asopọ agbara ṣaaju ṣiṣe eyikeyi itọju tabi ilana fifi sori ẹrọ.
- This device should be installed by qualified personnel.
- Rii daju didasilẹ to dara lati ṣe idiwọ awọn eewu itanna.
3. Package Awọn akoonu
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)
- Agbeko-òke Kit
- Iwe (Itọsọna Ibẹrẹ Ibẹrẹ, Alaye Aabo)

olusin 1: Iwaju view of the Cisco Catalyst 4948E 48-Port Gigabit Switch, showing 48 RJ45 ports and 4 SFP+ uplink ports.
4. Ọja Ipariview
4.1 Igbimọ iwaju
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.
- Awọn LED ipo: Indicators for system status, port activity, and power.
4.2 ru Panel
The rear panel typically includes:
- Dual AC Power Supply Slots: For redundant power supplies.
- Ibudo Kọnsole: For local management and initial configuration.
- Management Ethernet Port: For out-of-band management.
5. Eto ati fifi sori
5.1 agbeko iṣagbesori
The Cisco Catalyst 4948E-F is a 1U rack-mountable device. Follow these steps to install it in a standard 19-inch equipment rack:
- Attach the provided rack-mount brackets to the sides of the switch using the screws supplied with the kit.
- Sopọ yipada pẹlu awọn ifiweranṣẹ agbeko ki o ni aabo ni lilo awọn skru agbeko ti o yẹ.
- Ensure adequate airflow around the switch for proper cooling.
5.2 Asopọ agbara
- Insert the power cords into the power supply modules at the rear of the switch.
- Connect the other end of the power cords to a grounded AC power outlet.
- The switch will power on automatically. Observe the system status LEDs.
5.3 Awọn isopọ nẹtiwọki
- Connect Ethernet cables from your network devices (servers, workstations) to the 10/100/1000BASE-T RJ45 ports on the front panel.
- 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. Awọn ilana Iṣiṣẹ
6.1 Iṣeto ni ibẹrẹ
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:
- Oṣuwọn Baud: 9600
- Data Bits: 8
- Parity: Ko si
- Duro Awọn idinku: 1
- Iṣakoso sisan: Ko si
Follow the on-screen prompts to configure basic settings such as IP address, hostname, and management credentials.
6.2 Management Interfaces
The switch can be managed via several interfaces:
- Àtọwọ́nà Laini Òfin (CLI): Accessible via console, Telnet, or SSH for advanced configuration.
- Ilana Iṣakoso Nẹtiwọọki Rọrun (SNMP): For network monitoring and management.
- HTTPS: Fun web-based management (if enabled and configured).
Refer to the Cisco IOS Software Configuration Guides for detailed information on advanced features and configurations.
7. Itọju
Itọju deede ṣe idaniloju gigun ati iṣẹ ti o dara julọ ti iyipada rẹ.
7.1 Ninu
- Lokọọkan nu ode ti yipada pẹlu asọ ti o gbẹ.
- Ensure ventilation openings are free from dust and obstructions. Do not use liquid cleaners or aerosols.
7.2 famuwia imudojuiwọn
Nigbagbogbo ṣayẹwo Cisco support webaaye fun awọn imudojuiwọn famuwia tuntun. Lilo awọn imudojuiwọn le mu iṣẹ dara si, ṣafikun awọn ẹya tuntun, ati koju awọn ailagbara aabo. Tẹle Cisco ká osise ilana fun famuwia awọn iṣagbega.
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. Laasigbotitusita
Abala yii n pese awọn ojutu si awọn ọran ti o wọpọ ti o le ba pade.
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| Yipada ko ni agbara lori. | 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 ti wa ni pipa. | 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. |
| Iṣẹ́ nẹ́tíwọ́ọ̀kì tó lọ́ra. | Ìdènà nẹ́tíwọ́ọ̀kì, àìbáramu onípele méjì, tàbí okùn tí kò ní àbùkù. | 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. Awọn pato
| Ẹya ara ẹrọ | Ẹ̀kúnrẹ́rẹ́ |
|---|---|
| Awoṣe | WS-C4948E-F |
| Ẹrọ Iru | Switch - 48 ports - L3 - managed |
| Apade Iru | Rack-mountable - 1U |
| Awọn ibudo | 48 x 10/100/1000BASE-T RJ45 + 4 x 1/10 Gigabit Ethernet SFP+ |
| Yipada Agbara | 176 Gbps |
| IPv4 Switching Performance | 131 Mpps |
| IPv6 Switching Performance | 110 Mpps |
| Mac adirẹsi Table Iwon | Awọn titẹ sii 55K |
| VLAN ti nṣiṣe lọwọ | 4094 |
| Awọn iwọn (WxDxH) | 17.5 ni x 19.4 ni x 1.7 ninu (44.45 cm x 49.28 cm x 4.32 cm) |
| Agbara | AC 120/230 V (50/60 Hz) |
| Awọn iwọn otutu ti nṣiṣẹ | 32°F si 104°F (0°C si 40°C) |
| Ibi ipamọ otutu | -40°F si 167°F (-40°C si 75°C) |
| Ọriniinitutu ti nṣiṣẹ | 10 - 90% (non-condensing) |
| MTBF | wakati meji 149,261 |
| Ohun elo | Irin |
10. Atilẹyin ọja ati Support
10.1 Atilẹyin ọja to lopin
This Cisco Catalyst 4948E-F switch comes with a 90 ọjọ atilẹyin ọja to lopin. 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 Imọ Support
For technical assistance, product documentation, or software downloads, please visit the official Cisco support webojula: www.cisco.com/support. You may also contact Cisco Technical Assistance Center (TAC) for expert support.