This product contains separate open-source software components which are subject to their own licenses, in particular the
General Public License (GPL). The license information for the device rmware (LCOS) is available on the device‘s WEBcong
interface under “Extras > License information“. If the respective license demands, the source les for the corresponding
software components will be made available on a download server upon request.
aPower
OffDevice switched off
Green, permanently*Device operational,
resp. device paired / claimed and LANCOM
Management Cloud (LMC) accessible
Green / orange, blinkingConguration password not set. Without a
conguration password, the conguration
data in the device is unprotected.
Red, blinkingCharge or time limit reached
1x green inverse
blinking*
Connection to the LMC active, pairing OK,
device not claimed
2x green inverse
blinking*
Pairing error, resp.
LMC activation code not available
3x green inverse
blinking*
LMC not accessible, resp.
communication error
bOnline
OffWAN connection inactive
Green, permanentlyWAN connection active
Red, permanentlyWAN connection error
gVPN
OffVPN connection inactive
Green, permanentlyVPN connection active
Blinking greenEstablishing VPN connections
eETH
OffNo networking device attached
Green, permanentlyConnection to network device operational,
no data trafc
Green, ickeringData transmission
dISDN
OffInterface deactivated
Green, permanentlyD-channel active
Orange, permanentlyB-channel active
Green, ickeringISDN data transmission
Red, ickeringISDN transmission error
Red / orange, blinkingISDN hardware error
cDSL
OffInterface deactivated
Green, permanentlyDSL connection active
Green, ickeringDSL data transmission
Red, ickeringDSL transmission error
Red / orange, blinkingDSL hardware error
SETTING UP AND CONNECTING THE DEVICE
TECHNICAL DATA
f WLAN
OffNo Wi-Fi network dened or Wi-Fi module
deactivated. The Wi-Fi module is not
transmitting beacons.
Green, permanentlyAt least one Wi-Fi network is dened and
Wi-Fi module activated. The Wi-Fi module
is transmitting beacons.
Green, inverse ashingNumber of ashes = number of connected
Wi-Fi stations and P2P wireless connec-
tions, followed by a pause (default).
Alternatively the frequency of the ashing
can indicate signal strength over the
dened P2P link or the signal strength
between the access point and the device
operating in client mode.
Green, blinkingDFS scanning or other scan procedure
When working with separately purchased antennas, please ensure you do not exceed the maximum permissible transmission power. The system operator is
responsible for adhering to the threshold values.
Antennas are only to be attached or changed when the device is switched off. Mounting or demounting antennas with the device switched on may cause the
destruction of the Wi-Fi module!
5
LANCOM 1781VAW
Quick Reference Guide
Cloud-ready
c
ba
d
e
f
g
b
VDSL
Ant 2Ant 1
a
VDSL- / ADSL interface
Use the supplied DSL cable for the
IP-based line to connect the VDSL
interface and the provider’s telephone
socket. For more information, please
contact your Internet service provider.
b
Wi-Fi antennas
Screw the two supplied Wi-Fi
antennas onto the connectors
Ant 1 andAnt 2. Depending on how
the antennas are to be used,
‘Antenna Grouping’ may need to be
congured in order to provide the
desired MIMO behavior.
c
Ethernet interface
Use the cable with the kiwi-colored
connectors to connect one of the
interfaces ETH 1 to ETH 4 to your
PC or a LAN switch.
d
Serial interface
You can connect the device to a PC with a
conguration cable ( available separately).
e
USB interface
Connect a USB storage device or a USB printer
to the USB interface.
USB cable not included in the package.
f
ISDN interface
Use the ISDN cable** with the light-blue
connectors to connect the ISDN interface to
the NTBA if you wish to use ISDN.
g
Power
When connecting the cable to the device, turn
the bayonet connector 90° clockwise until it
clicks into place.
Use only the supplied power adapter.
a
LANCOM 1781VAW
DSL
ETH 2
Power
ETH 1
Online
ISDN
ETH 4
ETH 3
VPN
WLAN
cdbgef
*) The additional power LED statuses are displayed in 5-seconds
rotation if the device is congured to be managed by the LANCOM
Management Cloud.
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