Quick Installation Guide for LANCOM 1793VA-4G+ VPN Business VoIP Router
Quick installation guide for the LANCOM 1793VA-4G+ VPN Business VoIP Router. Includes setup instructions, interface overview, configuration methods, and safety guidelines.
Quick answers from the manual
Quick answer
- The LANCOM 1793VA-4G+ is a VPN Business VoIP Router. Setup involves connecting power, network cables, and antennas, then configuring via WEBconfig (browser), LANconfig (Windows software), or the LANCOM Management Cloud (LMC). p. 1
Key actions
- Connect power and network cables. p. 1
- Configure via WEBconfig (browser). p. 1
- Configure via LANconfig (Windows). p. 1
First start
- Connect the device to power and your network. p. 1
- Access the device via browser at 172.23.56.254 (if no DHCP) or via hostname. p. 1
Problems and fixes
Use WEBconfig, LANconfig, or LMC. If using WEBconfig, ensure the PC is in the same network or use the default IP.
p. 1Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| Power | 12 V DC | External power supply | p. 1 |
| Dimensions | 210 x 45 x 140 mm | Width x Height x Depth | p. 1 |
Where to find it in the PDF
- Quick Installation Guide p. 1
Table of contents
Important Information
This guide provides essential instructions for the initial setup and configuration of the LANCOM 1793VA-4G+ VPN Business VoIP Router. Before installation, ensure you have the necessary cables and a suitable power source. The device must be installed by qualified personnel. Always refer to the specific hardware quick reference guide for detailed interface and switch explanations.
Interface Overview
The back panel of the device features the following ports:

- LTE/4G Antenna Connectors: For mobile connectivity.
- VDSL/ADSL Interface: For DSL connection.
- Ethernet Interfaces: Four Gigabit Ethernet ports (10/100/1000).
- Config (COM): Configuration interface.
- Analog Interfaces: For analog devices.
- ISDN Interfaces: TE/NT ports.
- USB Interface: For configuration or peripheral connection.
- Power: 12V DC power input.
Initial Setup
Follow these steps to prepare the device for configuration:
- Power Connection: Connect the provided power supply to a wall outlet and the device. Ensure the bayonet connector is secured.
- Network Connections: If using DSL, connect the G.FAST/VDSL/ADSL interface to your provider's TAE socket. Connect other required interfaces (Ethernet, mobile antennas) as needed.
- Configuration Method: Choose one of the three available configuration methods:
Configuration Methods
You can configure the unconfigured device using one of the following options:
- WEBconfig (Browser): Connect your PC to the device via Ethernet. If no DHCP server is active, the device is reachable at 172.23.56.254. If a DHCP server is active, use the hostname (e.g., https://LANCOM-DDEEFF, where DDEEFF are the last six digits of the MAC address).
- LANconfig (Windows Software): Download and install LANconfig from the LANCOM website. The software will automatically detect the unconfigured device in the local network and launch the setup wizard.
- LANCOM Management Cloud (LMC): Configuration via the cloud requires specific prerequisites; refer to the LANCOM website for details.
Safety and Environment
- Environment: Operate the device only within specified temperature and humidity ranges. Ensure adequate air circulation and keep ventilation slots clear. Do not cover or stack the device.
- Power Supply: Use only the provided power supply. Ensure the power plug is easily accessible. In case of emergency, disconnect power immediately.
- Usage Restrictions: Do not use the device for critical infrastructure or life-support systems where failure could lead to injury or death.
Technical Specifications
- Power Supply: 12 V DC, external power adapter (230 V) with bayonet connector.
- Housing: Robust plastic housing, prepared for wall mounting, includes Kensington lock.
- Dimensions: 210 x 45 x 140 mm (W x H x D).
- Included in Box: 1 DSL cable (4.25 m), 2 TAE adapters (RJ11-TAE), 2 LTE/4G antennas, external power supply.
Official resources from the manual
Manufacturer information
LANCOM Systems GmbH
Practical help
Common problems
If no DHCP server is present, use the default IP 172.23.56.254. If a DHCP server is active, use the device hostname (https://LANCOM-DDEEFF).
Click 'Advanced' or the provided link on the browser page to proceed to the configuration interface.
Before use
- Ensure the device is placed in a well-ventilated area.
- Connect the provided power supply securely.
- Attach LTE/4G antennas if using mobile connectivity.
- Connect the DSL cable to the TAE socket if using DSL.
- Connect the device to your network switch or PC via Ethernet.
Specs in practice
- Power Supply
- 12 V DC, external power adapter (230 V) with bayonet connector.
Images and diagrams
- The back panel features ports for LTE/4G antennas, VDSL/ADSL, Ethernet (1-4), Config/COM, Analog, ISDN, USB, and Power.
Model compatibility
- The device is designed for indoor use only.
- Not intended for critical infrastructure or life-support systems.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.