1. Introducció
This manual provides essential information for the installation, operation, maintenance, and troubleshooting of the Cisco Catalyst 1000-48P-4G-L Network Switch. Please read this manual thoroughly before using the device to ensure proper functionality and safety.
2. Producte acabatview
The Cisco Catalyst 1000-48P-4G-L Network Switch is an enterprise-class, fixed managed Gigabit Ethernet Layer 2 switch designed for small businesses and branch offices. It offers a simple, flexible, and secure networking solution, ideal for critical IoT (Internet of Things) deployments. This switch operates on Cisco IOS Software and features both a command-line interface (CLI) and an intuitive web user interface for management.
Característiques principals:
- Configuració del maquinari: 48 10/100/1000 Gigabit Ethernet ports, 4 SFP+ uplink ports.
- Potència: Power over Ethernet Plus (PoE+) budget of 370W with Perpetual PoE+ support, ensuring uninterrupted power to connected PoE devices even during switch reboot.
- Gestió: Flexible management options via Cisco IOS CLI and/or an intuitive web user interface. Supports central monitoring and configuration of up to 8 switches via a single IP address or with third-party network management tools.
- Seguretat: Enterprise-class security features including native IPv4/IPv6 First Hop Security (FHS) features such as port security, DHCP snooping, and dynamic ARP inspection. These can be easily configured using a single "Auto-Secure" command. Also includes 802.1x support for all connected devices.

Figure 2.1: Cisco Catalyst 1000-48P-4G-L Network Switch (Front View)

Figure 2.2: Cisco Catalyst 1000 Series Switches in a Stack Configuration
3. Configuració
3.1 Desembalatge i inspecció
Carefully unpack the switch and all included components. Inspect the contents for any signs of damage. If any components are missing or damaged, contact your vendor immediately.
Components inclosos:
- Cisco Catalyst 1000-48P-4G-L Switch
- Kit accessori
- 1 printed document (this manual or a quick start guide)
3.2 Instal·lació física
The Cisco Catalyst 1000-48P-4G-L switch can be installed on a desktop or mounted in a standard 19-inch equipment rack. Ensure the installation location provides adequate ventilation and is free from excessive heat, dust, and moisture.
- Instal·lació d'escriptori: Place the switch on a flat, stable surface. Ensure there is sufficient space around the switch for airflow.
- Instal·lació del bastidor: Use the provided rack-mount brackets from the accessory kit to secure the switch in a standard equipment rack. Follow the instructions in the accessory kit for proper mounting.
3.3 Connexió d'alimentació
Connect the power cord to the AC power connector on the rear of the switch and then to a grounded electrical outlet. Ensure the power source meets the switch's power requirements.
3.4 Connexió de xarxa inicial
Connect a network cable from your computer to any of the Gigabit Ethernet ports on the switch for initial configuration access. Alternatively, use a console cable to connect to the console port for CLI access.
4. Funcionament de l'interruptor
4.1 Encès
Once the power cord is connected, the switch will automatically power on. Observe the system LED indicators to confirm successful boot-up.
4.2 Configuració inicial
The switch can be configured using either the Command-Line Interface (CLI) or the intuitive Web Interfície d'usuari (Web IU).
- Accés a la CLI: Connect to the console port using a terminal emulator. Refer to the Cisco IOS Software documentation for detailed CLI commands.
- Web Accés a la IU: Obre a web browser and enter the default IP address of the switch (refer to the quick start guide or Cisco documentation for the default IP). Follow the on-screen prompts to complete the initial setup.
4.3 Connexió de dispositius
Connect network devices (computers, IP phones, wireless access points, etc.) to the Gigabit Ethernet ports. For Power over Ethernet (PoE+) compatible devices, simply connect them to the PoE+ enabled ports; the switch will automatically provide power.
4.4 Basic Network Management
After initial setup, you can configure VLANs, QoS settings, port security, and other network parameters through the chosen management interface (CLI or Web UI). For advanced configurations, consult the comprehensive Cisco Catalyst 1000 Series documentation.
5. Manteniment
5.1 actualitzacions de microprogramari
Consulteu regularment el suport tècnic de Cisco website for the latest firmware updates. Keeping the switch firmware up-to-date ensures optimal performance, security, and access to new features. Follow the instructions provided with the firmware update package for the upgrade process.
5.2 Neteja
Periodically clean the exterior of the switch with a soft, dry cloth. Do not use liquid or aerosol cleaners. Ensure ventilation openings are clear of dust and debris to maintain proper airflow.
5.3 Consideracions ambientals
Ensure the switch operates within its specified environmental ranges for temperature and humidity. Avoid placing the switch near heat sources or in direct sunlight. Proper ventilation is crucial for long-term reliability.
6. Solució De Problemes
This section provides solutions to common issues you might encounter with your Cisco Catalyst 1000-48P-4G-L Network Switch.
6.1 Sense poder
- Verifiqueu que el cable d'alimentació estigui connectat correctament tant a l'interruptor com a una presa de corrent que funcioni.
- Comproveu la presa de corrent amb un altre dispositiu per assegurar-vos que funciona.
- Ensure the power supply unit (if external) is properly connected and its indicator light is on.
6.2 Sense connectivitat de xarxa
- Check the link/activity LEDs on the switch ports and the connected devices. A solid green light usually indicates a good link, while blinking indicates activity.
- Ensure network cables are securely connected and are not damaged.
- Verify IP address configurations on connected devices and the switch.
- If using VLANs, ensure devices are assigned to the correct VLANs.
6.3 PoE+ Device Not Receiving Power
- Ensure the connected device is PoE+ compatible.
- Check the PoE status LED on the switch for the specific port.
- Verify that the total PoE budget (370W) of the switch is not exceeded by all connected PoE devices.
- Try connecting the device to a different PoE+ port.
6.4 No es pot accedir Web UI or CLI
- Confirm your computer's IP address is in the same subnet as the switch's management IP.
- If using CLI, ensure correct serial port settings (baud rate, data bits, parity, stop bits).
- Reset the switch to factory defaults as a last resort (consult Cisco documentation for the procedure, as this will erase all configurations).
7. Especificacions
| Característica | Especificació |
|---|---|
| Número de model | C1000-48P-4G-L (C1000-48P) |
| Tipus de canvi | Interruptor de xarxa |
| Nombre de Ports | 48 Gigabit Ethernet ports, 4 SFP+ uplink ports |
| Pressupost PoE | 370W |
| Plataforma | iOS |
| Velocitat de transferència de dades | 1000 megabits per segon |
| Pes de l'article | 16.25 lliures (7.37 kg) |
| Dimensions del producte (LxWxH) | 17.5 x 13.78 x 1.74 polzades (44.45 x 35 x 4.42 cm) |
| Fabricant | CISCO |
| UPC | 889728248587 |
| Color | Blanc |
| Primera data disponible | 20 d'octubre de 2020 |
8. Garantia i Suport
8.1 Informació de la garantia
The Cisco Catalyst 1000-48P-4G-L Network Switch comes with an Enhanced Limited Lifetime Warranty. For detailed terms and conditions of this warranty, please refer to the official Cisco warranty documentation or visit the Cisco weblloc.
8.2 Suport tècnic
For technical assistance, troubleshooting beyond this manual, or to register your product, please visit the official Cisco support website or contact Cisco technical support. Having your product model number (C1000-48P-4G-L) and serial number ready will expedite the support process.
Note: Registering your switch upon receipt will facilitate easier support later on, as advised by experienced users.





