User Documentation

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Appendix 5 – Activating / de-activating Router VPN connection by digital input
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A5 - Activating / de-activating a u-link VPN tunnel via 24 VDC digital input
Start/Stop VPN tunnel:
➢ Establish VPN tunnel by connecting Pin 2 (VPN initiate) to 24 VDC and
Pin 4 (GND) to ground of power supply.
➢ Deactivate VPN tunnel by removing 24 VDC from Pin 2.
▪ The status of the u-link VPN tunnel (on-/offline) is signalized by Pin 3
(Digital output “VPN active”). For output signalizing you need to
connect Pin 1 (VCC) to 24 VDC.
Router Web interface
(Menu u-link, Tab Configuration)
Must be set to ‘u-link’ for signalizing an
active VPN tunnel by digital output ‘VPN
active’ enabled (default value).
Checkbox ‘Initiation by digital input’ must
be enabled to establish a VPN tunnel by
digital input ‘VPN init’ (default value).
Must be set to ‘Active’ (default value).
V1.5.1 / Oct, 2020