4
Please observe the fol-
lowing when setting up
the device
1 For devices to be
operated on the
desktop, please attach
the adhesive rubber
footpads
. . . c o n n e c t i n g
y o u r
b u s i n e s s
1 Do not rest any objects
on top of the device
LANCOM 1781VA
1 Keep the ventilation
slots on the side of
Quick Reference Guide
the device clear of
obstruction
1 In case of wall
mounting, use the
drilling template as
supplied
1 Rack installation with
the optional LANCOM
Rack Mount (not
supplied)
a
b
LANCOM 1681V
a
b
c
VDSL/ADSL cable*
LAN cable
Optional: Serial
Connect the cable with
Use the cable with the
configuration cable
the dark-blue connector to
kiwi-colored connectors
You can connect the
the DSL splitter from your
to connect one of the
device to a PC with a
provider. Please ensure
i nterfaces ETH1 to ETH4
c onfiguration cable
that you carefully follow
to your PC or a LAN
(available separately).
any instructions from your
switch.
provider regarding the in-
stallation of the DSL splitter
and NTBA (if applicable).
*For operation without
splitter please use the DSL
cable supplied by your
Internet provider. For further
information please contact
your Internet provider.
c
d
e
f
a
Power
Off
Green on,
permanently
Blinking
green/orange
Blinking red
b
Online
Off
Green on,
permanently
Red on,
d
e
f
permanently
Optional:
ISDN cable
Power cable
USB cable
Use the ISDN cable with
When connecting the
c
DSL
Connect a USB storage
the light-blue connec-
cable to the device, turn
device or a USB printer to
tors to connect the ISDN
the bayonet connector
Off
the USB interface.
interface to the NTBA if
90° clockwise until it
Green on,
USB cable not included in
you wish to use ISDN.
clicks into place.
permanently
the package.
Flickering green
Flickering red
Blinking
red/orange
Use only the supplied
power adapter.
Hardware
Power supply
Power consumption
Environment
Housing
Number of fans
Interfaces
WAN: VDSL2
a
b
c
d
e
f
f
VPN
Device switched off
Off
VPN connection inactive
ETH
Device operational
Green on,
VPN connection active
permanently
Configuration password not set. Without a
Blinking green
Establishing VPN connections
USB
configuration password, the configuration
data in the device is unprotected.
e
ETH
ISDN
Charge or time limit reached
Config (Com)
Off
No networking device attached
Green on,
Connection to network device operational,
permanently
no data traffic
WAN connection inactive
WLAN protocols
Flickering green
Data transmission
WAN connection active
VDSL, ADSL, Ethernet PPPoE, PPPoA, IPoA, Multi-PPPoE, ML-PPP, PPTP (PAC or PNS) and IPoE (with or without DHCP),
d
ISDN
WAN connection error
ISDN
Off
interface deactivated
Declaration of conformity
Green on,
D-channel active
CE
permanently
Package content
Orange on,
B-channel active
interface deactivated
permanently
Manual
DSL connection active
Flickering green
ISDN data transmission
CD/DVD
Flickering red
ISDN transmission error
DSL data transmission
Blinking
ISDN hardware error
DSL transmission error
Cable
red/orange
DSL hardware error
Cable
Cable
Power adapter
This product contains separate modem firmware with open-source software components. These are subject to their own
licenses, in particular the General Public License (GPL). The license text for the modem firmware is available on the data
medium supplied. If the respective license demands, the source files for the corresponding software components will be
made available on a download server upon request. License information for the device firmware (LCOS) is available in
the file LCOS-Licenses.txt on the data medium supplied.
12 V DC, external power adapter (230 V); bayonet connector to secure against disconnection
Max. ca. 14 W
Temperature range 0 – 40°C, humidity 0 – 95%,non-condensing
Robust synthetic housing, rear connectors, ready for wall mounting,
Kensington lock; measures 210 x 45 x 140 mm (W x H x D)
None; fanless design, no rotating parts, high MTBF
LANCOM 1781VA over ISDN
LANCOM 1781VA over POTS
1 VDSL2 as per ITU G.993.2;
1 VDSL2 as per ITU G.993.2;
profiles 8a, 8b, 8c, 8d, 12a, 12b, 17a
profiles 8a, 8b, 8c, 8d, 12a, 12b, 17a
1 Compatible to VDSL2 from Deutsche Telekom
1 Compliant to: ADSL2+ over POTS as per
ITU G.992.5 Annex A/Annex M with DPBO,
1 Compliant to: ADSL2+ over ISDN as per
ITU G.992.5 Annex B with DPBO, ADSL2
ADSL2 over POTS as per ITU G.992.3
over ISDN as per ITU G.992.3/5 Annex B/J,
Annex A/L, ADSL over POTS as per
ADSL over ISDN as per ITU G.992.1 Annex B
ITU G.992.1 Annex A
1 Supports just one virtual connection at a time
1 Supports just one virtual connection at a
in ATM (VPI-VCI pair)
time in ATM (VPI-VCI pair)
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 2.0 Hi-Speed host port for connecting USB printers (USB print server), serial devices
(COM-port servers), USB data media (FAT file system), or supported UMTS USB modems
ISDN S
bus
0
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.
RIP-1, RIP-2, VLAN
1TR6, DSS1 (Euro- ISDN), PPP, X75, HDLC, ML-PPP, V.110/GSM/HSCSD
EN 55022, EN 55024, EN 60950
Hardware Quick Reference (DE/EN),
Installation Guide (DE/EN/FR/ES/IT/PT/NL)
CD/DVD with management software (LANconfig, LANmonitor, LANCAPI) and
LCOS documentation
1 Ethernet cable, 3m (kiwi-colored connectors)
1 VDSL/ADSL cable, 3m (dark-blue connectors)
1 ISDN cable, 3m (light-blue connectors)
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. 110723, LANCOM item no. 110829 (UK)
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