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ETH
Status of the four LAN ports in the integrated switch:
off
green
green
red
VPN
Status of a VPN connection.
off
green
green
green
green
2.3.2
The back of the unit
The connections and switches of the router are located on the back panel:
LANCOM 1722 VoIP
LANCOM 1724 VoIP
³
·
»
¿
´
constantly on
flickering
flickering
blinking
flashing
inverse flashing
constantly on
DC12V
ETH4
ETH3
»
DC12V
ETH2
ETH1
»
Voltage switch
Connection for the included power adapter
Switch with four 10/100Base-Tx connections
USB connection
Serial configuration port
LANCOM 1722 VoIP – LANCOM 1724 VoIP
No network device connected
Connection to network device operational, no data traffic
Data traffic
Collision of packets
No VPN tunnel established
Negotiating VPN connection
Establishing first connection
Establishing further connection
VPN connection established
ETH2
ETH1
USB
Config
(COM)
¿
´
USB
Config
(COM)
ISDN 4 (
)
ISDN 3 (
¿
´
Chapter 2: Installation
ISDN 2 (
)
ISDN 1 (⌧)
ADSL(2+)
²
)
ISDN 2 (⌧)
ISDN 1 (⌧)
ADSL(2+)
²
Reset
Reset
45
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