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LANCOM 1781VAW
Quick Reference Guide
Cloud-ready
4
Ant 2
VDSL
a
b
c
Please observe the
following when setting
a
VDSL- / ADSL interface
up the device
Use the supplied DSL cable for the
IP-based line to connect the VDSL
interface and the provider's telephone
For devices to be
a
socket. For more information, please
operated on the
contact your Internet service provider.
desktop, please attach
the adhesive rubber
Wi-Fi antennas
b
footpads
Screw the two supplied Wi-Fi
a
Do not rest any objects
antennas onto the connectors
on top of the device
Ant 1 andAnt 2. Depending on how
the antennas are to be used,
'Antenna Grouping' may need to be
LANCOM 1681V
configured in order to provide the
desired MIMO behavior.
a
Keep the ventilation
slots on the side of
c
Ethernet interface
the device clear of
Use the cable with the kiwi-colored
obstruction
connectors to connect one of the
a
In case of wall
interfaces ETH 1 to ETH 4 to your
mounting, use the
PC or a LAN switch.
drilling template as
supplied
a
Rack installation with
the optional LANCOM
Rack Mount (not
supplied)
5
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!
Ant 1
d
e
f
b
g
d
Serial interface
You can connect the device to a PC with a
configuration 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.
LANCOM 1781VAW
a
b
c
d
e
f
g
a
e
Power
ETH
Off
Device switched off
Off
No networking device attached
Green, permanently*
Device operational,
Green, permanently
Connection to network device operational,
resp. device paired / claimed and LANCOM
no data traffic
Management Cloud (LMC) accessible
Green, flickering
Data transmission
Green / orange, blinking Configuration password not set. Without a
configuration password, the configuration
f
WLAN
data in the device is unprotected.
Off
No Wi-Fi network defined or Wi-Fi module
Red, blinking
Charge or time limit reached
deactivated. The Wi-Fi module is not
1x green inverse
Connection to the LMC active, pairing OK,
transmitting beacons.
blinking*
device not claimed
Green, permanently
At least one Wi-Fi network is defined and
2x green inverse
Pairing error, resp.
Wi-Fi module activated. The Wi-Fi module
blinking*
LMC activation code not available
is transmitting beacons.
3x green inverse
LMC not accessible, resp.
Green, inverse flashing Number of flashes = number of connected
blinking*
communication error
Wi-Fi stations and P2P wireless connec-
tions, followed by a pause (default).
b
Online
Alternatively the frequency of the flashing
Off
WAN connection inactive
can indicate signal strength over the
defined P2P link or the signal strength
Green, permanently
WAN connection active
between the access point and the device
Red, permanently
WAN connection error
operating in client mode.
c
Green, blinking
DFS scanning or other scan procedure
DSL
Off
Interface deactivated
g
VPN
Green, permanently
DSL connection active
Off
VPN connection inactive
Green, flickering
DSL data transmission
Green, permanently
VPN connection active
Red, flickering
DSL transmission error
Blinking green
Establishing VPN connections
Red / orange, blinking DSL hardware error
d
ISDN
Off
Interface deactivated
Green, permanently
D-channel active
Orange, permanently
B-channel active
Green, flickering
ISDN data transmission
Red, flickering
ISDN transmission error
Red / orange, blinking ISDN hardware error
*) The additional power LED statuses are displayed in 5-seconds
rotation if the device is configured to be managed by the LANCOM
Management Cloud.
Hardware
Power supply
12 V DC, external power adapter (230 V); bayonet connector to secure against disconnection
Power consumption
Max. ca. 14 W
Environment
Temperature range 0–35 °C, humidity 0–95 %, non-condensing
Housing
Robust synthetic housing, rear connectors, ready for wall mounting, Kensington lock;
measures 210 x 45 x 140 mm (W x H x D)
Number of fans
None; fanless design, no rotating parts, high MTBF
Interfaces
WAN: VDSL2
A VDSL2 as per ITU G.993.2; profiles 8a, 8b, 8c, 8d, 12a, 12b, 17a
A Compatible to VDSL2 from Deutsche Telekom AG (only over ISDN)
A ADSL conformity according to:
ADSL2+ over ISDN as per ITU G.992.5 Annex B /J with DPBO (POTS: Annex A/Annex M),
ADSL2 over ISDN as per ITU G.992.3 Annex B (POTS: Annex A/L),
ADSL over ISDN as per ITU G.992.1 Annex B (POTS: Annex A)
A Supports just one virtual connection at a time in ATM (VPI-VCI pair)
ETH
4 individual ports, 10 / 100 / 1000 Mbps Gigabit Ethernet, by default set to switch mode. Up to 3
ports can be operated as additional WAN ports. Ethernet ports can be electrically disabled in the
LCOS configuration.
USB
USB 2.0 Hi-Speed host port for connecting USB printers (USB print server), serial devices (COM-port
servers) or USB data media (FAT file system)
ISDN
ISDN S
bus
0
Serial Interface
Serial configuration interface / COM port (8-pin Mini-DIN):
9,600–115,000 baud, suitable for optional connection of analog/GPRS modems. Supports internal
COM-port server and provides transparent asynchronous serial-data transfer via TCP.
Ant 1, Ant 2
Two reverse SMA connectors for external LANCOM AirLancer antennas or for antennas from other
vendors. Please respect the restrictions which apply in your country when setting up an antenna
system. For information about calculating the correct antenna setup, please refer to
www.lancom-systems.com.
WAN protocols
VDSL, ADSL, Ethernet PPPoE, PPPoA, IPoA, Multi-PPPoE, ML-PPP, PPTP (PAC or PNS) and IPoE (with or without DHCP),
RIP-1, RIP-2, VLAN, GRE, EoGRE, L2TPv2 (LAC or LNS), IPv6 over PPP (IPv6 and IPv4/IPv6 dual stack
session), IP(v6)oE (autoconfiguration, DHCPv6 or static)
ISDN
1TR6, DSS1 (Euro-ISDN), PPP, X75, HDLC, ML-PPP, V.110/GSM/HSCSD
Declaration of conformity
Hereby, LANCOM Systems declares that this radio equipment is in compliance with Directive 2014/53/EU. The full text of the
EU declaration of conformity is available at the following internet address: www.lancom-systems.com/ce/
Package content
Manual
Quick Reference Guide (DE/EN), Installation Guide (DE/EN)
Cable
Ethernet cable, 3m (kiwi-colored connectors), 1 DSL cable for an IP-based line, 4.25 m,
ISDN cable, 3m (light-blue connectors)**
Antennas
Two 3dBi dipole dualband antennas
Power adapter
External 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 (EU, 230 V); LANCOM item no. 111302 (UK, 230 V)
**)
Included only in the "over ISDN" version
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 firmware (LCOS) is available on the device's WEBconfig
interface under "Extras > License information". If the respective license demands, the source files for the corresponding
software components will be made available on a download server upon request.
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