Lancom 1790EF Bruksanvisning
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Hardware
Power supply 12 V DC, external power adapter (110 or 230 V) with bayonet connector to secure against 
disconnection
Power consumption Max. ca. 11 W
Environment Temperature range 0 – 40 °C; humidity 0 – 95 %; non-condensing
Housing Robust synthetic housing, rear connectors, ready for wall mounting, Kensington lock; mea-
sures 210 x 45 x 140 mm (W x H x D)
Number of fans None; fanless design, no rotating parts, high MTBF
Interfaces
WAN 10 / 100 / 1000 Mbps Gigabit Ethernet 
ETH 4 individual 10 / 100 / 1000-Mbps Fast Ethernet ports; operate as switch ex-factory.  
Up to 3 ports can be switched as additional WAN ports. 
USB 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
SFP Socket for small form-factor pluggable Gigabit-Ethernet transceiver (mini-GBIC).  
Compatible with optional LANCOM SFP modules for optical connections over short distances 
(SX) or longer distances (LX). Set as a LAN port ex-factory, can be configured as a WAN port
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 transmission via TCP
WAN protocols
Ethernet PPPoE, Multi-PPPoE, ML-PPP, PPTP (PAC or PNS) and IPoE (with or without DHCP), RIP-1, 
RIP-2, VLAN, IP
Declaration of Conformity
Hereby, LANCOM Systems GmbH | Adenauerstrasse 20/B2 | D-52146 Wuerselen, declares that this device is in
 compliance with Directives 2014/30/EU, 2014/35/EU, 2011/65/EU, and Regulation (EC) No. 1907/2006. The full text of
the EU Declaration of Conformity is available at the following Internet address: www.lancom-systems.com/doc
Package content
Documentation Hardware Quick Reference Guide (DE/EN); Installation Guide (DE/EN)
Cable 2 Ethernet cables, 3m (LAN: kiwi-colored connector; WAN: green connector)
Power adapter External power supply adapter (230 V) 12 V / 2 A DC/S; barrel / bayonet (EU),
LANCOM item no. 111303 (not for WW devices)
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.
a Power
Off Device switched off
Green, permanently* Device operational,
resp. device paired / claimed and LANCOM 
Management Cloud (LMC) accessible
Red/green, blinking Configuration password not set. Without a 
configuration password, the configuration 
data in the device is unprotected.
Red, blinking Hardware error
Red, blinking slowly Time or charge limit reached/error message 
occurred
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
b Online
Off WAN connection inactive
Green, blinking WAN connection is established 
(e.g. PPP negotiation)
Green, permanently WAN connection active
Red, permanently WAN connection error
c SFP
Off SFP deactivated in the configuration 
or SFP module present, no connection to 
network device
Red, permanently SFP enabled in the configuration but no 
SFP module present
Green, permanently SFP module present, connection to  
network exists, no data transmission
Green, blinking Data transmission
Red, blinking SFP module present, hardware error
f VPN
Off No VPN connection active
Green, permanently VPN connection active
Green, blinking Establishing VPN connection
e ETH
Off No link
Green, permanently Network connection ready (link)
Green, flickering Data transmission
d WAN
Off Interface deactivated
Orange, blinking Synchronization with the modem
Orange, permanently Synchronization with the modem 
successful
Green, permanently WAN connection established
Green, flickering WAN data transmission
Red/orange, blinking Hardware error, ext. modem
T E C H N I C A L   D E T A I L S
M O U N T I N G   A N D   C O N N E C T I N G   T H E   D E V I C E
LANCOM 1790EF
WAN
SFP
ETH 2
Power
ETH 1
Online
ETH 4
ETH 3
VPN
*) The additional power LED statuses are displayed in 5-seconds 
rotation if the device is configured to be managed by the LANCOM 
Management Cloud.
a c d e fb
LANCOM 1790EF
Quick Reference Guide
C ud eadylo -r
a c d e f gb
aSFP interface
Insert a suitable SFP module (e.g. 1000Base-SX or 1000Base-LX) 
into the SFP port. Choose a cable compatible with the SFP module 
and connect it as described in the module’s documentation. SFP 
modulel and cable are not included.
bWAN interface
Use the cable with the green connectors to connect the WAN  
interface to your WAN modem..
cEthernet  interfaces
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.
dConfiguration interface 
Use a serial configuration cable to connect the serial interface 
(COM) to the serial interface of the device you want to use for 
configuring / monitoring (separately available).
eUSB interface
Connect a USB data medium or a USB printer to the USB  
interface. (USB cable not supplied)
fReset button
Pressed up to 5 seconds: device restart 
Pressed until first flashing up of all LEDs: 
configuration reset and device restart                           
gPower
After connecting the cable to the device, turn the bayonet 
connector 90° clockwise until it clicks into place.
Use only the supplied power adapter.                   
4
Please observe the following when setting up the device
 A Do not rest any objects on top of the device
 A For devices to be operated on the desktop, please attach the  
adhesive rubber footpads 
 AIn case of wall mounting, use the drilling template as supplied 
 AKeep the ventilation slots on the side of the device clear  
of obstruction
 ARack installation with the optional LANCOM Rack Mount  
(separately available)
LANCOM 1681V
Power
VDSL
Onl ine
ETH 1
VPN
TH 3
ETH 4  
Before initial startup, please make sure to take notice of the information regarding the intended use in the enclosed installation guide!
Operate the device only with a professionally installed power supply at a nearby power socket that is freely accessible at all times. 
LANCOM, LANCOM Systems, LCOS, LANcommunity and Hyper Integration are registered trademarks. All other names or descriptions used may be trademarks or registered trademarks of their owners. This document 
contains statements relating to future products and their attributes. LANCOM Systems reserves the right to change these without notice. No liability for technical errors and / or omissions.  111809/01/22
Produktspecifikationer
| Varumärke: | Lancom | 
| Kategori: | Router | 
| Modell: | 1790EF | 
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