1. Introduktion
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. Sikkerhedsoplysninger
Overhold altid følgende sikkerhedsforanstaltninger:
- Sørg for korrekt jordforbindelse af udstyret.
- Brug ikke kontakten i våde eller tørre omgivelser.amp forhold.
- Afbryd strømmen, før du udfører nogen form for vedligeholdelse.
- Kun kvalificeret personale bør installere og servicere dette udstyr.
3. Produktet er slutview og komponenter
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 Frontpanelfunktioner
- 48 x SFP28-porte: For 25 Gigabit Ethernet connectivity.
- 4 x QSFP28 Ports: For 100 Gigabit Ethernet uplinks.
- Konsolport: RJ45 for out-of-band management.
- USB-porte: For software upgrades and configuration backup.
- LED-indikatorer: System status, port status, and power.
3.2 Bagpanelfunktioner
The rear panel typically includes power supply bays, fan modules, and grounding points. Specific configurations may vary.
4. Opsætning og installation
4.1 Udpakning og inspektion
- Tag forsigtigt kontakten ud af emballagen.
- Inspect the switch for any signs of physical damage. If damage is found, contact your vendor immediately.
- Kontroller, at alle komponenterne på pakkelisten er til stede.
4.2 Rackmontering
The switch is designed for standard 19-inch rack mounting.
- Fastgør de medfølgende rackmonteringsbeslag til siderne af switchen med de medfølgende skruer.
- Fastgør kontakten i racket med passende rackskruer.
- Sørg for tilstrækkelig luftgennemstrømning omkring kontakten for korrekt afkøling.
4.3 Tilslutning af strøm
- Connect the power cord(s) to the power supply module(s) at the rear of the switch.
- Plug the other end of the power cord(s) into a grounded AC power outlet.
- The system status LED should illuminate, indicating power is supplied.
4.4 Adgang til indledende konfiguration
- Connect a console cable (RJ45 to DB9) from your management workstation to the console port on the switch.
- Konfigurer din terminalemuleringssoftware (f.eks. PuTTY, Tera Term) med følgende indstillinger: 9600 baud, 8 databits, ingen paritet, 1 stopbit, ingen flowkontrol.
- 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. Betjeningsvejledning
5.1 Grundlæggende netværksforbindelse
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
enablekommando. - Global Configuration Mode: For system-wide configuration changes. Access with
configure terminalkommando. - 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. Vedligeholdelse
6.1 Regelmæssige inspektioner
- Periodically check LED indicators for any fault conditions.
- Sørg for, at alle kabler er korrekt tilsluttet.
- Verify proper airflow and ensure vents are not obstructed.
6.2 Rengøring
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 Softwareopdateringer
Tjek regelmæssigt 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. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Afbryderen tænder ikke | 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 |
| Problemer med netværksforbindelse | Incorrect VLAN configuration, IP address conflict, spanning tree issues | Review network configuration, check IP assignments, verify spanning tree protocol status |
8. Specifikationer
| Feature | Detalje |
|---|---|
| Mærke | Cisco |
| Modelnummer | C9500-48Y4C-A |
| Antal havne | 48 |
| Interface Type | RJ45, SFP28 |
| Varens vægt | 21.96 pund |
| Øverste temperaturvurdering | 40 grader Celsius |
| Kompatible enheder | Desktop (Note: Typically rack-mounted, "Desktop" might refer to management station compatibility) |
| Fabrikant | CISCO SYSTEMER - VIRKSOMHEDER |
| Dato først tilgængelig | 1. august 2022 |
9. Support og garanti
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.
Cisco Support Webwebsted: https://www.cisco.com/c/en/us/support/index.html





