LANCOM 1781-4G Business VPN Router User Guide

June 16, 2024
LANCOM

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LANCOM 1781-4G Business VPN Router

LANCOM-1781-4G-Business-VPN-Router-product

Specifications

  • Model: LANCOM 1781-4G
  • Cloud-ready

Product Usage Instructions

Setting up the Device

When setting up the device, please observe the following:

  • For devices to be operated on the desktop, please attach the adhesive rubber footpads.
  • Do not rest any objects on top of the device.
  • Keep the ventilation slots on the side of the device clear of obstruction.
  • In case of wall mounting, use the drilling template as supplied.
  • Rack installation with the optional LANCOM Rack Mount (not supplied).

Power and Connection

To power on and connect the device:

  1. Connect the LTE-/4G antennas or optional GPS antenna to the device by screwing them clockwise until they click into place.
  2. Use only the supplied power adapter.
  3. Slide the SIM card into the slot using the marker to ensure that the card is inserted in the right way. Ensure that the SIM card clicks into place.
  4. 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.
  5. If needed, connect the device to a PC with a configuration cable (available separately) using the serial interface.
  6. You can use the USB interface to connect a USB printer or a USB flash drive for device configuration.
  7. If you wish to use ISDN, use the ISDN cable with the light-blue connectors to connect the ISDN interface to the NTBA.

Note: Antennas should only be attached or changed when the device is switched off. Inserting or removing the SIM card while the device is switched on could destroy the 4G module.

Important
Please observe the following when setting up the device

  • For devices to be operated on the desktop, please attach the adhesive rubber footpads
  • Do not rest any objects on top of the device
  • Keep the ventilation slots on the side of the device clear of obstruction
  • In case of wall mounting, use the drilling template as supplied
  • Rack installation with the optional LANCOM Rack Mount (not supplied)

Connecting wires

  1. Power
    After connecting the cable to the device, turn the bayonet connector 90° clockwise until it clicks into place.
    Use only the supplied power adapter.

  2. LTE- / 4G antennas or optional:
    GPS antenna Screw the two supplied cellular antennas onto the connectors Ant 1 and Ant 2. Alternatively, screw the freely available GPS antenna onto the connector GPS. (see included voucher).

  3. SIM card
    Slide the SIM card into the slot using the marker to ensure that the card is the right way round. Ensure that the SIM card clicks into place on insertion. To remove the card from the device, press the card slightly into the device. Let go to release the SIM card from the slot.

  4. 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.

  5. Serial interface
    You can connect the device to a PC with a configuration cable (available separately).

  6. USB interface
    You can use the USB interface to connect a USB printer or a USB flash drive for device configuration.

  7. 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.

Important
Antennas are only to be attached or changed when the device is switched off. Mounting or demounting antennas while the device is switched on may cause the destruction of the 4G module!

Important
The SIM may only be inserted or removed with the device switched off. Inserting or removing the SIM card while the device is switched on could destroy the 4G module!

MOUNTING AND CONNECTING THE DEVICE

LANCOM-1781-4G-Business-VPN-Router-fig- \(5\)

Power

  • Off
    Device switched off

  • **Green, permanently***
    Device operational, resp. device paired / claimed and LANCOM Management Cloud (LMC) accessible

  • Green / orange, blinking
    Configuration password not set. Without a configuration password, the configuration data in the device is unprotected.

  • Red, blinking
    Charge 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 is not accessible, resp. communication error

Online

  • Off
    WAN connection inactive

  • Green, permanently
    WAN connection active

  • Red, permanently
    WAN connection error

4G

  • Off
    Cellular interface disabled

  • Red / orange, blinking
    Uploading module firmware

  • Red/green, blinking
    SIM card error (PIN)

  • Orange, blinking
    Logging on to cellular network

  • Orange, permanently
    Login to the cellular network successfully

  • Green, permanently
    Connection to cellular network active

  • Green, flickering
    Cellular data transmission

  • Red, permanently
    Hardware error/module unavailable

Signal

  • Off
    No cellular reception

  • Orange, blinking
    Low signal strength, field strength less than -87 dB

  • Orange, permanently
    Medium signal strength, field strength -86 – -71 dB

  • Green, permanently
    Good signal strength, greater than or equal to -70 dB

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

ETH

  • Off
    No networking device attached

  • Green, permanently
    Connection to network device operational, no data traffic

  • Green, flickering
    Data transmission

VPN

  • Off
    No VPN connection active

  • Green, permanently
    VPN connection active

  • Green, blinking
    Establishing VPN connections

Hardware

  • Power supply
    12 V DC, external power adapter (230 V) with bayonet connector to secure against disconnection

  • Power consumption
    Max. ca.12.5 W

  • Environment
    Temperature range 5 – 40 °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

Data transmission in cellular networks

  • Supported standards:
    LTE, HSPA+, HSxPA, UMTS, EDGE, GPRS

  • LTE bands
    Band 1 (2100 MHz), band 3 (1800 MHz), band 7 (2600 MHz), band 8 (900 MHz), band 20 (DD800 MHz) with MIMO

  • UMTS-/HSxPA-/HSPA+ bands
    Band 1 (2100 MHz), band 8 (900 MHz) with diversity

  • EDGE-/GPRS bands
    GSM 900 (900 MHz), DCS 1800 (1800 MHz), PCS 1900 (1900 MHz)

  • Maximum transmission power
    +24 dBm

Interfaces

  • 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. The ports support the energy-efficient features as per IEEE 802.3az

  • 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)

  • ISDN-S0
    ISDN-S0 bus

  • Serial Interface
    Serial configuration interface / COM port (8-pin Mini-DIN): 9,600 – 115,000 baud, suitable for optional connection of analog / GPRS modems.

  • Ant 1, Ant 2
    Two SMA connectors for the supplied dipole rod antennas (LTE, UMTS, Edge), compatible LANCOM AirLancer Extender antennas for 4G or 3G, or from other manufacturers. Please respect the restrictions that apply in your country when setting up an antenna system (in particular the antenna gain and transmission power).

  • GPS
    SMA jack for connecting an optionally available GPS antenna

WAN protocols

  • Ethernet
    PPPoE, Multi-PPPoE, ML-PPP, PPTP (PAC or PNS) and IPoE (with or without DHCP), RIP-1, RIP-2, VLAN, GRE, 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, 3 m (kiwi-colored connectors), ISDN cable, 3 m (light-blue connectors)

  • Antennas
    Two LTE- / 4G antennas for LTE / UMTS / EDGE

  • Power adapter
    External power supply adapter (230V), 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)

*) The additional power LED statuses are displayed in a 5-second rotation if the device is configured to be managed by the LANCOM Management Cloud.

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.

LANCOM, LANCOM Systems and LCOS are registered trademarks. All other names or descriptions used may be trademarks or registered trademarks of their owners. Subject to change without notice. No liability for technical errors and/or omissions. 111723/1117

FAQ’s

Can I use any power adapter with the LANCOM 1781-4G?

No, you should only use the supplied power adapter to ensure proper functionality and avoid any damage to the device.

How do I know if the WAN connection is active?

The WAN connection status can be identified by the color of the Online LED. If it is green and permanently lit, the WAN connection is active. If it is red and permanently lit, there is an error with the WAN connection.

Can I connect a USB printer to the LANCOM 1781-4G for device configuration?

Yes, you can use the USB interface on the LANCOM 1781-4G to connect a USB printer for device configuration purposes.

How should I attach the LTE-/4G antennas or optional GPS antenna?

After connecting the cable to the device, screw the connectors Ant 1 and Ant 2 clockwise until they click into place. Alternatively, you can screw a freely available GPS antenna onto the GPS connector.

References

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