1. Introduction
This manual provides comprehensive instructions for the installation, configuration, and operation of the Grandstream GWN7811 8-Port Gigabit Ethernet Layer 3 Managed Network Switch. Please read this manual thoroughly before using the device to ensure proper setup and functionality.
2. Consignes de sécurité
Observe the following safety precautions to prevent damage to the device and ensure personal safety:
- Install the device in a well-ventilated area, away from direct sunlight, heat sources, and moisture.
- Utilisez uniquement l'adaptateur secteur fourni avec l'appareil.
- N'ouvrez pas l'appareil casing. Confiez toutes les interventions de maintenance à un personnel qualifié.
- Assurez-vous d'une bonne mise à la terre pour éviter les risques électriques.
- Évitez de placer des objets lourds sur l'appareil.
3. Produit terminéview
3.1 Contenu du paquet
The GWN7811 package typically includes:
- Grandstream GWN7811 Managed Network Switch
- Adaptateur secteur
- Guide d'installation rapide
- Kit de montage en rack (le cas échéant)
Note: No additional components are included beyond the standard package.
3.2 Disposition du panneau avant

Figure 1 : Front Panel of GWN7811 Switch. This image displays the front view of the Grandstream GWN7811 switch, highlighting its 8 Gigabit Ethernet RJ45 ports, 2 SFP+ ports for fiber connections, a Console port for command-line interface access, a Reset (RST) button, and a System (SYS) LED indicator. Each RJ45 port also has individual LED indicators.
The front panel of the GWN7811 switch features the following components:
- 8x GbE RJ45 Ports: Standard Gigabit Ethernet ports for connecting network devices.
- 2x SFP+ Ports: 10 Gigabit Small Form-Factor Pluggable Plus ports for high-speed fiber optic connections.
- Port CONSOLE : RJ45 console port for local management via a serial connection.
- Bouton RST : Reset button for factory default restoration or reboot.
- Voyant SYS : System status indicator LED.
- LED des ports : Individual LEDs for each RJ45 port indicating link/activity status.
3.3 Disposition du panneau arrière

Figure 2 : Rear Panel of GWN7811 Switch. This image shows the rear view of the Grandstream GWN7811 switch, primarily featuring the power input connector and ventilation slots. The device is fanless, relying on passive cooling.
The rear panel of the GWN7811 switch typically contains the power input connector and ventilation openings. This model is designed to be fanless for silent operation.
3.4 Indicateurs LED
| DIRIGÉ | Statut | Description |
|---|---|---|
| Système | Vert uni | L'appareil est allumé et fonctionne normalement. |
| Système | Vert clignotant | L'appareil démarre ou effectue une mise à jour du micrologiciel. |
| Système | Désactivé | Device is powered off or experiencing a critical error. |
| Port (Green) | Vert uni | Link established at Gigabit speed. |
| Port (Green) | Vert clignotant | Activity on the port at Gigabit speed. |
| Port (Amber) | Ambre solide | Link established at 10/100 Mbps speed. |
| Port (Amber) | Clignotant orange | Activity on the port at 10/100 Mbps speed. |
| Port | Désactivé | No link or port is disabled. |
4. Installation du matériel
4.1 Montage du commutateur
The GWN7811 can be placed on a desktop or mounted in a standard 19-inch equipment rack. Ensure adequate ventilation around the device.
- Emplacement sur le bureau : Placez l'interrupteur sur une surface plane et stable.
- Montage en rack : Attach the provided rack-mount brackets to the sides of the switch using the included screws. Secure the switch into the rack using appropriate rack screws.
4.2 Connexion de l'alimentation
- Connect the power adapter to the power input port on the rear panel of the GWN7811.
- Branchez l'autre extrémité de l'adaptateur secteur dans une prise électrique appropriée.
- Verify that the SYS LED on the front panel illuminates, indicating the device is receiving power.
4.3 Connexion des câbles réseau
- Ports RJ45 : Connect standard Ethernet cables from your network devices (computers, servers, other switches) to the 8x GbE RJ45 ports.
- Ports SFP+ : Insert compatible SFP+ transceivers into the 2x SFP+ ports, then connect fiber optic cables to the transceivers for high-speed uplinks or downlinks.
- Port de console : For initial configuration or advanced troubleshooting, connect a serial cable from your computer to the CONSOLE port.
5. Configuration initiale
5.1 Accéder au Web Interface utilisateur (Web UI)
The GWN7811 can be managed via a web-interface utilisateur graphique (GUI).
- Connect a computer directly to any of the GWN7811's RJ45 ports.
- Ensure your computer's IP address is in the same subnet as the switch's default IP address (e.g., 192.168.1.x). The default IP address for the GWN7811 is typically 192.168.1.1.
- Ouvrir un web browser and enter the switch's default IP address (e.g., http://192.168.1.1) dans la barre d'adresse.
- Enter the default username and password (refer to the Quick Installation Guide or device label for default credentials).
- Une fois connecté(e), vous aurez accès à Web UI for further configuration.
5.2 Paramètres réseau de base
After logging in, it is recommended to configure basic network settings:
- Modifier le mot de passe par défaut : Pour des raisons de sécurité, changez immédiatement le mot de passe administrateur par défaut.
- Configuration de l'adresse IP : Configure a static IP address for the switch that is suitable for your network environment, or enable DHCP client if applicable.
- Le temps du système: Set the correct system time and configure NTP (Network Time Protocol) for accurate time synchronization.
6. Mode d'emploi
The GWN7811 is a Layer 3 managed switch, offering advanced features for network control and optimization.
6.1 Layer 3 Features
- Routage statique : Configurez des routes statiques pour diriger le trafic entre différents sous-réseaux IP.
- Inter-VLAN Routing: Enable routing between configured VLANs to allow communication across different broadcast domains.
- DHCP Server/Relay: The switch can act as a DHCP server for connected devices or relay DHCP requests to an external server.
6.2 Configuration du VLAN
Virtual Local Area Networks (VLANs) segment your network into logical broadcast domains, improving security and performance.
- Accédez à la section VLAN dans le Web UI.
- Create new VLANs by assigning a VLAN ID and name.
- Assign ports to specific VLANs as either access ports (for end devices) or trunk ports (for connecting to other switches).
6.3 Qualité de service (QoS)
QoS allows you to prioritize network traffic, ensuring critical applications receive sufficient bandwidth.
- Configure QoS policies based on port, VLAN, IP address, or DSCP values.
- Apply bandwidth control to limit or guarantee bandwidth for specific traffic types.
7. Entretien
7.1 Mise à jour du micrologiciel
Regularly update the switch firmware to ensure optimal performance, security, and access to new features.
- Téléchargez le dernier firmware depuis le site officiel de Grandstream. website.
- Access the firmware upgrade section in the Web UI.
- Télécharger le micrologiciel file Suivez les instructions à l'écran. Ne mettez pas l'appareil hors tension pendant la mise à jour.
7.2 Sauvegarde et restauration de la configuration
It is recommended to regularly back up your switch configuration to prevent data loss.
- sauvegarde: Dans le Web UI, navigate to the maintenance section and download the current configuration file à votre ordinateur.
- Restaurer: To restore a configuration, upload a previously saved configuration file à travers le Web UI.
8. Dépannage
8.1 Problèmes courants et solutions
- Pas d'alimentation :
- Assurez-vous que l'adaptateur secteur est correctement branché à la fois à l'interrupteur et à une prise de courant fonctionnelle.
- Vérifiez que la prise de courant est fonctionnelle.
- Aucun lien sur le port :
- Vérifiez la connexion du câble Ethernet aux deux extrémités.
- Vérifiez que l'appareil connecté est allumé et fonctionne correctement.
- Verify the port status in the Web UI; ensure it is not disabled.
- Essayez un autre port ou un autre câble.
- Impossible d'accéder Web Interface utilisateur :
- Verify your computer's IP address is in the same subnet as the switch.
- Ensure the switch is powered on and the SYS LED is solid green.
- Videz le cache de votre navigateur ou essayez un autre navigateur.
- If the IP address was changed and forgotten, a factory reset might be necessary (refer to the Reset button section).
8.2 Réinitialisation d'usine
To restore the GWN7811 to its factory default settings:
- With the device powered on, use a paperclip or a similar pointed object to press and hold the RST button on the front panel for approximately 10 seconds.
- Release the button when the SYS LED starts flashing rapidly.
- L'appareil redémarrera avec les paramètres d'usine par défaut.
Warning: A factory reset will erase all custom configurations. Back up your configuration before performing a reset.
9. Spécifications
| Fonctionnalité | Description |
|---|---|
| Modèle | GWN7811 |
| Ports | 8x GbE RJ45, 2x SFP+ |
| Couche | Couche 3 gérée |
| Conception sans ventilateur | Oui |
| Matériau du boîtier | Métal |
| Voltage | 12 Volts (CA) |
| Indice de température supérieur | 60 degrés Celsius |
| Poids de l'article | 2.11 kilogrammes (4.64 livres) |
| Dimensions du colis | 16.57 x 10.39 x 2.17 pouces |
| Appareils compatibles | Desktop (general networking devices) |
10. Garantie et assistance
For warranty information, technical support, and additional resources, please refer to the official Grandstream website or contact your authorized reseller. Grandstream provides comprehensive support for its products, including firmware updates and technical assistance.
Officiel Website: www.grandstream.com





