LANCOM 821+ – LANCOM 1711+ VPN – LANCOM 1721+ VPN
Chapter 2: Installation
19
EN
period of inactivity. When needed, the S
0
bus automatically reacti-
vates and the ISDN status LED illuminates in green.
ISDN Data
Status display for both ISDN B channels:
ETH
LAN connector status in the integrated switch:
VPN
Status of a VPN connection.
2.3.1
Device connectors
The connections and switches of the router are located on the back panel:
off
No connection established
green
Blinking
Dialling
green
Flashing
Establishing first connection
green
Inverse flashing
Establishing further connection
green
Constantly on
Connection established via B channel
green
Flickering
Data traffic (send or receive)
Off
No networking device attached
Green
On (perma-
nently)
Connection to network device operational, not data traffic
Green
Flickering
Data traffic
Red
Flickering
Data packet collision
Off
No VPN tunnel established
Green
Blinking
Connection establishment
Green
Flashing
First connection
Green
Inverse flashing
Other connections
Green
On (perma-
nently)
VPN tunnels are established