1. Introduction
The BUFFALO Giga Switching Hub LSW3-GT-24NSR is a 24-port Gigabit Ethernet switch designed for high-speed network environments. It is ideal for small to medium-sized offices and workplaces requiring robust and reliable network connectivity. This device supports full Gigabit speeds across all ports, ensuring efficient data transfer.
Key features include a fanless design for silent operation and enhanced reliability, as well as a loop detection function to prevent network disruptions caused by accidental network loops.
2. Consignes de sécurité
Please read and understand the following safety precautions before using the device to prevent injury or damage.
- Alimentation: Utilisez uniquement l'adaptateur secteur fourni. Assurez-vous que la prise de courant respecte la tension spécifiée.tage exigences.
- Ventilation: Ne pas obstruer les ouvertures de ventilation. Assurer une circulation d'air suffisante autour de l'appareil pour éviter toute surchauffe.
- Environnement: Avoid exposing the device to water, high humidity, extreme temperatures, or direct sunlight.
- Manutention: Do not drop or subject the device to strong impacts. Do not attempt to open or repair the device yourself. Refer all servicing to qualified personnel.
- câbles: Ensure all network cables are properly connected and secured.
3. Contenu du colis
Vérifiez que tous les éléments sont présents dans le colis :
- BUFFALO Giga Switching Hub LSW3-GT-24NSR Unit
- Câble d'alimentation
- Rack Mount Brackets (if included with your model)
- Pieds en caoutchouc (pour une utilisation sur un bureau)
4. Installation
4.1 Installation physique
The LSW3-GT-24NSR can be installed on a desktop or mounted in a 19-inch equipment rack.
Emplacement sur le bureau :
- Attach the included rubber feet to the bottom of the unit to prevent slipping and provide stability.
- Placez l'appareil sur une surface plane et stable, bien ventilée.
Montage en rack :
- Attach the rack mount brackets to the sides of the unit using the provided screws.
- Secure the unit into a standard 19-inch equipment rack using appropriate rack screws (not included).
4.2 Connexion des câbles réseau
Connect your network devices (computers, servers, other switches) to any of the 24 RJ-45 ports on the front panel using standard Ethernet cables (Category 5e or higher recommended for Gigabit speeds).
Figure 1 : Panneau avantview with 24 Ethernet Ports and Status LEDs.
4.3 Connexion de l'alimentation
- Connect the power cable to the AC IN port on the rear of the device.
- Branchez l'autre extrémité du câble d'alimentation dans une prise de courant appropriée.
- The device will power on automatically. The POWER LED on the front panel should illuminate.
Figure 2 : Panneau arrièreview with AC IN Power Port.
5. Mode d'emploi
5.1 Indicateurs LED
The front panel features several LED indicators to monitor the status of the switch and its ports.
Figure 3 : Détaillé view of LED Indicators and Loop Detection Switch.
| Nom de la LED | Statut | Description |
|---|---|---|
| POUVOIR | On | L'appareil est sous tension. |
| LIEN/ACTE (par port) | On | A network device is connected and a link is established. |
| Clignotant | Des données sont transmises ou reçues via ce port. | |
| 1000/100/10M (par port) | Vert | Port is operating at 1000 Mbps (Gigabit Ethernet). |
| Orange | Port is operating at 100 Mbps (Fast Ethernet). | |
| Désactivé | Port is operating at 10 Mbps (Ethernet). | |
| LOOP DETECT | On | A network loop has been detected. |
5.2 Loop Detection Function
The LSW3-GT-24NSR features a hardware switch for enabling or disabling the loop detection function. This function helps prevent network instability caused by accidental network loops.
Figure 4: Loop Detection Switch (ON/OFF).
- SUR: Loop detection is active. If a loop is detected, the corresponding port will be automatically shut down to prevent network broadcast storms, and the LOOP DETECT LED will illuminate.
- OFF: Loop detection is disabled.
It is recommended to keep the loop detection function ON for network stability.
6. Entretien
6.1 Nettoyage de l'appareil
To maintain optimal performance, periodically clean the exterior of the switch.
- Débranchez le câble d'alimentation avant de procéder au nettoyage.
- Utilisez un chiffon doux et sec pour essuyer la surface.
- Do not use liquid cleaners, aerosols, or solvents, as these may damage the casing ou composants internes.
6.2 Considérations environnementales
Ensure the device is operated within its specified environmental conditions:
- Température: 0°C à 40°C (32°F à 104°F)
- Humidité: 10% à 85% (sans condensation)
7. Dépannage
If you encounter issues with your BUFFALO Giga Switching Hub, refer to the following common problems and solutions.
7.1 Pas d'alimentation
- Symptôme: La LED POWER est éteinte.
- Solution: Vérifiez que le câble d'alimentation est bien branché à l'appareil et à la prise de courant. Assurez-vous que la prise de courant fonctionne correctement.
7.2 No Link or Slow Speed on a Port
- Symptôme: The LINK/ACT LED for a connected port is off, or the 1000/100/10M LED indicates a lower speed than expected (e.g., 100M instead of 1000M).
- Solution:
- Vérifiez que le câble Ethernet est bien connecté aux deux extrémités.
- Try a different Ethernet cable. Ensure it is a Category 5e or higher cable for Gigabit speeds.
- Connectez l'appareil à un autre port du commutateur.
- Check the network adapter settings on the connected device (computer, server) to ensure it is configured for auto-negotiation or the correct speed.
7.3 Network Instability / LOOP DETECT LED is On
- Symptôme: The LOOP DETECT LED is illuminated, and network performance is degraded or unstable.
- Solution:
- A network loop has been detected. This typically occurs when two ports on the same switch (or different switches) are connected to each other, creating an infinite data path.
- Carefully inspect your network cabling to identify and remove any redundant connections that form a loop.
- If the loop detection switch is ON, the affected port will be automatically shut down. Once the loop is resolved, the port should resume normal operation.
8. Spécifications
| Fonctionnalité | Description |
|---|---|
| Marque | BUFFLE |
| Numéro de modèle | LSW3-GT-24NSR |
| Nombre de ports | 24 ports RJ-10 100/1000/45BASE-T |
| Capacité de commutation | 48 Gbps (Non-blocking) |
| Taux de transfert | 35.7 Mpps |
| Taille de la table d'adresses MAC | 8K entrées |
| Support de cadre jumbo | Jusqu'à 9 Ko |
| Caractéristiques | Auto-MDI/MDIX, Auto-Negotiation, Loop Detection Function, Fanless Design |
| Alimentation électrique | Alimentation CA interne |
| Dimensions (L x P x H) | (Specific dimensions not provided in source, typical for 1U rackmount) |
| Poids | (Specific weight not provided in source) |
| Température de fonctionnement | 0°C à 40°C |
| Humidité de fonctionnement | 10% à 85% (sans condensation) |
9. Garantie et assistance
This BUFFALO product is covered by a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official BUFFALO webConsultez le site pour connaître les conditions générales de garantie détaillées.
For technical support, product registration, or further assistance, please visit the official BUFFALO support webConsultez leur site web ou contactez leur service client. Les coordonnées se trouvent généralement sur le site du fabricant. website ou dans l'emballage du produit.