1. Introduzione
The NICGIGA 24 Port 2.5Gb Ethernet Switch (Model S25-2400) is an unmanaged network switch designed to provide high-speed connectivity for your home or office network. Featuring 24 2.5 Gigabit Ethernet ports, this switch offers a robust solution for expanding your network capacity and enhancing data transfer rates. Its plug-and-play design ensures easy installation without complex configuration, making it suitable for various environments, including desktop and 19-inch rack mount setups. The fanless metal design ensures quiet operation and efficient heat dissipation, contributing to device stability and longevity.

Image 1.1: Front view of the NICGIGA 24 Port 2.5Gb Ethernet Switch, showcasing its 24 RJ45 ports and LED indicators.
2. Cuntenutu di u pacchettu
Verificate chì i seguenti elementi sò inclusi in u vostru pacchettu:
- NICGIGA 24 Port 2.5Gb Ethernet Switch (Model S25-2400)
- Adattatore di putenza
- Rack Mount Kit (for 19-inch rack installation)
- Manuale d'uso (stu documentu)
3. Produttu Finituview
3.1 Pannellu Frontale
The front panel of the NICGIGA 24 Port 2.5Gb Ethernet Switch features 24 RJ45 ports and LED indicators for monitoring network activity.

Imagine 3.1: Dettagliata view of the switch's front panel, highlighting the 24 RJ45 ports and power input.
- Porte RJ45 (1-24): These ports support 100/1000/2500Mbps Ethernet connections. They automatically detect and adjust to the speed of the connected device.
- Indicatori LED: Each port has an associated LED that indicates link status and activity.
- Verde solidu: Un ligame stabile hè stabilitu à 2.5 Gbps.
- Giallu solidu: Un ligame stabile hè stabilitu à 1 Gbps.
- Arancione solidu: A stable link is established at 100Mbps.
- Flashing: L'attività di dati si svolge nantu à u portu.
- Off: No link is established or the device is not connected.
- LED di putenza: Indica u statu di putenza di u switch.
- Verde solidu: L'interruttore hè alimentatu.
- Off: L'interruttore hè spento.
3.2 Panel posteriore
The rear panel typically contains the power input and ventilation openings.

Image 3.2: Posteriore view of the switch, showing the power input and fanless design.
4. Setup
The NICGIGA 24 Port 2.5Gb Ethernet Switch is designed for simple plug-and-play operation, requiring no software installation or complex configuration.
4.1 Installazione Desktop
- Place the switch on a stable, flat surface, ensuring adequate ventilation around the device.
- Connect the power adapter to the switch's power input and then to a power outlet.
- Connect your network devices (e.g., computers, NAS, Wi-Fi 6 APs, routers) to any of the 24 RJ45 ports using standard Ethernet cables. The switch will automatically detect the link speed.

Imagine 4.1: Esempiuample of desktop setup, showing the switch connected to a laptop and a Wi-Fi router.
4.2 19-inch Rack Mount Installation
The switch can be installed in a standard 19-inch equipment rack using the included rack mount kit.
- Attach the two rack-mount brackets to the sides of the switch using the provided screws.
- Secure the switch into an available slot in your 19-inch rack using appropriate rack screws (not included).
- Connect the power adapter and network cables as described in the desktop installation.

Image 4.2: Diagram illustrating the dimensions for rack mounting and an example of the switch installed in a 19-inch rack.
5. Operating Instructions
Once the switch is powered on and devices are connected, it operates automatically.
- Negoziazione automatica: Each port automatically detects the speed (100Mbps, 1Gbps, or 2.5Gbps) and duplex mode (half/full) of the connected device and adjusts accordingly. This ensures optimal performance and compatibility across various network devices.
- Architettura senza blocchi: The switch provides full wire-speed forwarding on all ports simultaneously, ensuring maximum throughput for all connected devices without bottlenecks.
- Unmanaged Operation: No configuration or software is required. Simply connect your devices, and the switch will manage data traffic efficiently.

Image 5.1: Illustration of the auto-negotiation feature, showing how the switch adapts to different link speeds.
6. Mantenimentu
The NICGIGA 24 Port 2.5Gb Ethernet Switch is designed for minimal maintenance.
- Pulizia: Aduprate un pannu dolce è asciuttu per pulisce l'esternu di l'interruttore. Ùn aduprate micca detergenti liquidi o aerosol.
- Ventilazione: Ensure that the ventilation openings are not blocked to allow for proper airflow and heat dissipation. The fanless design relies on natural convection.
- Ambiente: Operate the switch within its specified environmental conditions (temperature, humidity) to ensure optimal performance and longevity.
7. Risoluzione di prublemi
If you encounter issues with your NICGIGA 24 Port 2.5Gb Ethernet Switch, refer to the following common troubleshooting steps:
- Nisun putere:
- Assicuratevi chì l'adattatore di corrente sia cunnessu currettamente à l'interruttore è à una presa di corrente funzionante.
- Verificate chì a presa di corrente funziona cunnettendu un altru apparechju.
- Check the Power LED on the switch; it should be solid green when powered on.
- Nisun ligame/attività nant'à un portu:
- Verificate chì u cavu Ethernet sia cunnessu currettamente à u portu di u switch è à u dispusitivu cunnessu.
- Assicuratevi chì u dispusitivu cunnessu sia accesu è chì u so adattatore di rete funziona currettamente.
- Try a different Ethernet cable to rule out cable issues.
- Test with a different port on the switch.
- Check the LED indicator for the specific port; if it's off, there's no link.
- Velocità di rete lenta:
- Ensure all connected devices and network adapters support 2.5Gbps speeds for optimal performance. The switch will auto-negotiate to the highest common speed.
- Use Cat5e or higher-rated Ethernet cables for 2.5Gbps connections.
- Check for excessive network traffic or bottlenecks on other network devices.
- Connettività intermittente:
- Inspect Ethernet cables for damage.
- Ensure the switch is placed in a well-ventilated area to prevent overheating, although it has a fanless design.
- Check for potential electromagnetic interference from other electronic devices.
8. Specificazioni
| Feature | Specificazione |
|---|---|
| Mudellu | S25-2400 |
| Numero di Porti | 24 x 2.5Gbps RJ45 Ports |
| Tipu d'interfaccia | RJ45 |
| Rate di trasferimentu di dati | 100/1000/2500Mbps (Auto-Negotiation) |
| Capacità di cambià | 160 Gbps |
| Cornice Jumbo | 12K |
| Dimensione di a Tabella di Indirizzi MAC | 16K |
| Cache di memoria | 12Mbit |
| Tariffa di spedizione di pacchetti | 89.28 Mpps |
| Disegnu | Fanless Metal Design |
| Prutezzione di fulmini | 4KV |
| Installazione | Desktop or 19-inch Rack Mount |
| Dimensioni (L x W x H) | 270.5 x 181 x 44.5 mm (10.6 x 7.1 x 1.7 inch) |
| Pesu di l'articulu | 1.9 kilogrammi (4.18 liri) |
| Dispositivi compatibles | Desktop, Cunsola di Ghjocu, Laptop |
| UPC | 790885830235 |
Nota: E specificazioni sò soggette à cambiamenti senza avvisu.
9. Garanzia è Support
NICGIGA provides a one-year warranty for this product, ensuring reliability, quality, and performance. Additionally, lifetime technical support is available for the entire product lifecycle.
For technical assistance or warranty claims, please contact NICGIGA customer support through the official websitu o a vostra piattaforma di compra.





