1. Introducció
This manual provides essential information for the installation, operation, maintenance, and troubleshooting of the Cisco Catalyst 9500 Series C9500-48Y4C-A Network Advantage Switch. Please read this manual thoroughly before using the device to ensure proper functionality and safety.
2. Informació de seguretat
Observeu sempre les precaucions de seguretat següents:
- Assegureu-vos la correcta connexió a terra de l'equip.
- No feu funcionar l'interruptor en llocs humits o secs.amp condicions.
- Desconnecteu l'alimentació abans de realitzar qualsevol manteniment.
- Només personal qualificat ha d'instal·lar i mantenir aquest equip.
3. Producte acabatview i Components
The Cisco Catalyst 9500 Series C9500-48Y4C-A is a high-performance 48-port network switch designed for enterprise-level networking. It features 48 SFP28 ports and 4 QSFP28 ports for high-density 25-Gigabit and 100-Gigabit Ethernet deployments.

Figure 1: Front panel of the Cisco Catalyst 9500 Series C9500-48Y4C-A Switch. This image displays the 48 SFP28 ports for network connectivity and the 4 QSFP28 uplink ports located on the right side. The switch also features console and USB ports on the left.
3.1 Característiques del panell frontal
- 48 x SFP28 Ports: For 25 Gigabit Ethernet connectivity.
- 4 x QSFP28 Ports: For 100 Gigabit Ethernet uplinks.
- Port de la consola: RJ45 for out-of-band management.
- Ports USB: For software upgrades and configuration backup.
- Indicadors LED: System status, port status, and power.
3.2 Característiques del panell posterior
The rear panel typically includes power supply bays, fan modules, and grounding points. Specific configurations may vary.
4. Configuració i instal·lació
4.1 Desembalatge i inspecció
- Traieu amb cura l'interruptor del seu embalatge.
- Inspeccioneu l'interruptor per detectar qualsevol signe de dany físic. Si trobeu danys, poseu-vos en contacte amb el vostre proveïdor immediatament.
- Verifiqueu que hi hagi tots els components que figuren a la llista d'embalatge.
4.2 Muntatge en bastidor
The switch is designed for standard 19-inch rack mounting.
- Fixeu els suports de muntatge en bastidor proporcionats als costats del commutador amb els cargols subministrats.
- Secure the switch into the rack using appropriate rack screws.
- Assegureu-vos que hi hagi un flux d'aire adequat al voltant de l'interruptor per a una refrigeració correcta.
4.3 Connexió de potència
- Connect the power cord(s) to the power supply module(s) at the rear of the switch.
- Connecteu l'altre extrem del cable o cables d'alimentació a una presa de corrent de CA amb connexió a terra.
- The system status LED should illuminate, indicating power is supplied.
4.4 Accés a la configuració inicial
- Connect a console cable (RJ45 to DB9) from your management workstation to the console port on the switch.
- Configureu el vostre programari d'emulació de terminal (per exemple, PuTTY, Tera Term) amb els paràmetres següents: 9600 baud, 8 bits de dades, sense paritat, 1 bit d'aturada, sense control de flux.
- Power on the switch. The boot sequence will display on your terminal.
- Follow the on-screen prompts for initial setup, including setting passwords and basic network parameters.
5. Instruccions de funcionament
5.1 Basic Network Connectivity
Connect network devices (servers, workstations, other switches) to the SFP28 ports using appropriate transceivers and fiber optic cables. Use the QSFP28 ports for high-speed uplinks to core network devices.
5.2 Command Line Interface (CLI)
The Cisco Catalyst 9500 Series switches are managed primarily through the Cisco IOS XE Command Line Interface (CLI). Refer to the Cisco IOS XE documentation for detailed command references.
- User EXEC Mode: Limited commands, primarily for monitoring.
- Privileged EXEC Mode: Full monitoring and basic configuration commands. Access with
enablecomandament. - Global Configuration Mode: For system-wide configuration changes. Access with
configure terminalcomandament. - Interface Configuration Mode: For configuring specific ports.
5.3 Web-Based Management (GUI)
Some configurations can be performed via a web-based graphical user interface (GUI). Access the GUI by entering the switch's IP address into a web browser. Ensure the switch has an IP address configured and HTTP/HTTPS services are enabled.
6. Manteniment
6.1 Inspeccions periòdiques
- Periodically check LED indicators for any fault conditions.
- Assegureu-vos que tots els cables estiguin ben connectats.
- Verify proper airflow and ensure vents are not obstructed.
6.2 Neteja
Keep the switch and its environment clean and dust-free. Use a soft, dry cloth to clean the exterior. Do not use liquid cleaners directly on the device.
6.3 Actualitzacions de programari
Reviseu regularment el Cisco website for the latest software updates and security patches. Follow Cisco's recommended procedures for software upgrades to ensure system stability and security.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| L'interruptor no s'encén | No power, faulty power cord, faulty power supply | Check power connections, test power outlet, replace power cord/supply |
| Port LED not lit | Cable issue, incorrect transceiver, port disabled | Verify cable connection, ensure correct transceiver, check port status in CLI |
| Cannot access CLI via console | Incorrect console settings, faulty cable | Verify terminal emulation settings, try a different console cable |
| Problemes de connectivitat de xarxa | Incorrect VLAN configuration, IP address conflict, spanning tree issues | Review network configuration, check IP assignments, verify spanning tree protocol status |
8. Especificacions
| Característica | Detall |
|---|---|
| Marca | Cisco |
| Número de model | C9500-48Y4C-A |
| Nombre de Ports | 48 |
| Tipus d'interfície | RJ45, SFP28 |
| Pes de l'article | 21.96 lliures |
| Classificació de temperatura superior | 40 graus centígrads |
| Dispositius compatibles | Desktop (Note: Typically rack-mounted, "Desktop" might refer to management station compatibility) |
| Fabricant | CISCO SYSTEMS - EMPRESA |
| Data de primera disponibilitat | 1 d'agost de 2022 |
9. Assistència i garantia
For technical support, documentation, and software downloads, please visit the official Cisco support website. Information regarding warranty coverage for renewed products can typically be found through your vendor or on the Cisco website for specific product lines.
Suport de Cisco Weblloc: https://www.cisco.com/c/en/us/support/index.html





