Introducció
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your LANCOM 1790VA-4G VPN Business Router. This device is designed to provide high-performance and reliable internet connectivity for small and medium-sized businesses, featuring VDSL supervectoring and integrated LTE Advanced for maximum resilience.

Figure 1: LANCOM 1790VA-4G VPN Business Router. The front panel displays various status LEDs including Power, Online, DSL, four Ethernet ports (ETH 1-4), 4G, and VPN. Two external antennas are visible on either side of the device.
Guia de configuració
1. Desembalatge i inspecció inicial
Carefully remove all components from the packaging. Verify that all items listed in the packing list are present and undamaged. If any items are missing or damaged, contact your vendor immediately.
2. Connecting the Hardware
- Connexió d'alimentació: Connect the provided power adapter to the router's power input and then to a suitable electrical outlet.
- DSL/VDSL Connection: Connect your DSL/VDSL line from the wall socket to the DSL port on the router using the supplied DSL cable.
- Connexions Ethernet: Connect your computers or network devices to the ETH 1-4 ports using standard Ethernet cables.
- Instal·lació de l'antena: Screw the two external antennas securely onto the antenna connectors at the rear of the router. Adjust their orientation for optimal signal reception.
- SIM Card Insertion (for LTE): If using the LTE functionality, carefully insert your activated SIM card into the designated SIM card slot. Ensure correct orientation as indicated on the device.
3. Configuració Inicial
After connecting the hardware, power on the router. Wait for the Power and Online LEDs to stabilize. Access the router's web-based management interface by typing its default IP address (e.g., 192.168.1.1) al teu web browser. Follow the on-screen wizard for initial setup, including setting up your internet connection (VDSL or LTE), Wi-Fi settings, and administrative passwords.
Instruccions de funcionament
Indicadors LED
Els LED del panell frontal proporcionen informació d'estat:
- Potència: El verd fix indica que el dispositiu està encès.
- En línia: Solid green indicates a stable internet connection. Blinking indicates data activity.
- DSL: Solid green indicates a stable DSL/VDSL line synchronization. Blinking indicates synchronization in progress.
- ETH 1-4: Solid green indicates a connected device. Blinking indicates data activity.
- 4G: Solid green indicates a stable LTE connection. Blinking indicates data activity.
- VPN: Solid green indicates an active VPN tunnel. Blinking indicates VPN activity.
Funcionalitat VPN
The LANCOM 1790VA-4G supports up to 5 built-in IPSec VPN channels (expandable to 25). Configure VPN tunnels via the web management interface under the 'VPN' section. Refer to the advanced configuration guide for detailed VPN setup instructions.
SD-WAN Integration
This router supports SD-WAN for automatic VPN and VLAN configuration via the LANCOM Management Cloud. For details on integrating with LMC, please consult the LANCOM Management Cloud documentation.
Manteniment
- Actualitzacions de firmware: Regularly check for and install firmware updates from the official Lancom website to ensure optimal performance, security, and access to new features. This can typically be done via the router's web interface under 'System' or 'Firmware'.
- Neteja: Keep the router clean and free from dust. Use a soft, dry cloth for cleaning. Do not use liquid cleaners or aerosols. Ensure ventilation openings are not obstructed.
- Condicions ambientals: Operate the router within its specified temperature and humidity ranges. Avoid direct sunlight, excessive heat, and moisture.
- Gestió de contrasenyes: Periodically change your administrative passwords for enhanced security.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense LED d'alimentació | L'adaptador de corrent no està connectat o està defectuós. | Check power connections. Ensure the power outlet is active. Try a different power adapter if available. |
| DSL LED blinking/off | DSL line issue or incorrect cabling. | Verify DSL cable connection. Check with your ISP for line status. |
| No Internet (Online LED off) | Configuration error, ISP outage, or DSL/LTE issue. | Check router configuration. Confirm DSL/4G connection is active. Contact your ISP. |
| Velocitat d'Internet lenta | Network congestion, outdated firmware, or signal interference. | Reduce number of active devices. Update firmware. Check for physical obstructions or interference. |
| No es pot accedir web interfície | Incorrect IP address, network settings, or firewall. | Ensure your computer is on the same network segment. Disable temporary firewall. Try a different browser. |
For further assistance, please refer to the comprehensive online documentation available on the Lancom weblloc o contacteu amb l'assistència tècnica.
Especificacions
- Model: 1790VA-4G
- Dimensions del producte: 29 x 39 x 10 cm
- Pes de l'article: 1.5 kg
- Tecnologia de connectivitat: Ethernet, Wi-Fi (via optional module), VDSL2/ADSL2+, LTE
- Velocitat de transferència de dades: Up to 300 Mbps (VDSL Supervectoring), Up to 300 Mbps (LTE Advanced)
- Ports: 4x GE Ports (Ethernet), 1x DSL port
- VPN Channels: 5 built-in IPSec VPN channels (25 optional)
- Network Virtualization: Up to 16 networks (ARF)
- Sistema operatiu: LANCOM OS
- Voltage: 230 Volts
- Dispositius compatibles: Ordinador portàtil, ordinador personal, tauleta, telèfon intel·ligent
- Ús recomanat: Negocis
Garantia i Suport
For detailed warranty information, please refer to the warranty card included with your product or visit the official Lancom website. Lancom provides technical support for its products. For assistance, please visit the support section of the Lancom website or contact their customer service directly. Ensure you have your product model number (1790VA-4G) and serial number ready when contacting support.
Actualitzacions de programari garantides fins a: Information not available. Please check the manufacturer's website for the latest update policy.
Fabricant: LANCOM





