Power adapterExternal power supply adapter (230 V); NEST 12 V / 1.5 A DC/S; barrel connector 2.1 / 5.5 mm
bayonet; LANCOM item no. 111301
iVPN
OffVPN connection inactive
Green, permanentlyVPN connection active
Green, ashingVPN connecting
eISDN
OffInterface deactivated
Green, permanentlyD-channel active
Green, ickeringISDN data transfer
Red, ickeringISDN transfer error
Red/orange, blinkingISDN hardware error
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g
Analog interface
Connect analog terminal
devices to the analog
interfaces either directly
via RJ11 or with the help
of the enclosed TAE
adapter.
Ethernet interface
Use the cable with
the green-colored
connectors to connect
one of the interfaces
ETH 1 to ETH 4 to your
PC or a LAN switch.
Serial interface
Conguring the
device via the serial
interface requires a
serial conguration
cable (available as an
accessory).
ISDN interface
ISDN 1
Internal (NT) or external
(TE) ISDN bus. This
feature is controlled by
LCOS.
ISDN 2
Internal (NT) ISDN bus.
A 100-Ohm resistor
for line termination is
switchable in LCOS.
VDSL 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.
USB interface
You can use the USB
interface to connect
a USB printer or a
USB drive.
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.
Please observe the
following when setting
up the device
aFor devices to be
operated on the
desktop, please attach
the adhesive rubber
footpads
aDo not rest any objects
on top of the device and
do not stack multiple
devices
aKeep the ventilation
slots on the side of
the device clear of
obstruction
aIn case of wall
mounting, use the
drilling template as
supplied
aRack installation with
the optional LANCOM
Rack Mount (not
supplied)
LANCOM 1681V
Power
VDSL
Online
ETH 1
ETH 2
VPN
ETH 3
ETH 4
ISDN Status
aPower
OffDevice switched off
Green,
permanently*
Device operational, resp. device paired /
claimed and LANCOM Management Cloud
(LMC) accessible
Green/red, blinkingNo password set. Without a 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
cDSL
OffInterface deactivated
Green, permanentlyDSL connection active
Green, ickeringDSL data transfer
Red, ickeringDSL transfer error
Red/orange, blinkingDSL hardware error
Orange, blinkingDSL training
Orange, permanentlyDSL sync
Green, blinkingDSL connecting
dAnalog
OffInterface deactivated
Green, permanentlyInterface activated
Orange, blinkingIncoming call
Green, blinkingConnection active
hVoIP
OffNo SIP accounts dened or VCM is off
Green, permanentlyAll dened and active SIP accounts (outgo-
ing) were successfully registered
Red, permanentlyNot all of the dened and active SIP
accounts were registered (possibly still in
process)
Red or green,
inverse ashing
Number of currently used lines
(connecting or connected)
fETH
OffNo networking device attached
Green, permanentlyConnection to network device operational,
no data trafc
Green, ickeringData transmission
gWLAN
OffNo Wi-Fi network dened or Wi-Fi module
deactivated. The Wi-Fi module is not
transmitting beacons.
Green, permanentlyWi-Fi module is activated and at least
one Wi-Fi network is dened. The Wi-Fi
module is
transmitting beacons.
Green, blinkingDFS scanning or other scan procedure
jReset
Reset switchOperated e.g. with a paper clip
short press > Restart the device
long press > Reset the device
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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.
*) The additional power LED statuses are displayed in 5-seconds rotation
if the device is congured to be managed by the LANCOM Management
Cloud.
Cloud-ready
a
LANCOM 883 VoIP
DSL
ETH 2
Power
ETH 1
Online
ISDN 1
ETH 4
ETH 3
VPN
Analog 1
Analog 2
ISDN 2
WLAN
Reset
VoIP
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LANCOM 883 VoIP
Quick Reference Guide
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