NetComm NL1901ACV User manual

User Guide
NL1901ACV Enhanced Hybrid 4G LTE Gateway
Doc No. UG01063

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Important Notice
This device, like any wireless device, operates using radio signals which cannot guarantee the transmission and
reception of data in all conditions. While the delay or loss of signal is rare, you should not rely solely on any
wireless device for emergency communications or otherwise use the device in situations where the interruption of
data connectivity could lead to death, personal injury, property damage, data loss, or other loss. NetComm
accepts no responsibility for any loss or damage resulting from errors or delays in transmission or reception, or the
failure of the NetComm common identifier and device name to transmit or receive such data.
Safety and Hazards
Warning
– Do not connect or disconnect cables or devices to or from the USB port, SIM card tray, Ethernet port or the terminals of the
Molex power connector in hazardous locations such as those in which flammable gases or vapours may be present, but normally are
confined within closed systems; are prevented from accumulating by adequate ventilation; or the location is adjacent to a location from
which ignitable concentrations might occasionally be communicated.
Copyright
Copyright© 2018 NetComm Limited. All rights reserved.
The information contained herein is proprietary to NetComm. No part of this document may be translated,
transcribed, reproduced, in any form, or by any means without prior written consent of NetComm.
Trademarks and registered trademarks are the property of NetComm Limited or their respective owners.
Specifications are subject to change without notice. Images shown may vary slightly from the actual product.
Note
– This document is subject to change without notice.
Save our environment
When this equipment has reached the end of its useful life, it must be taken to a recycling centre and processed
separately from domestic waste.
The cardboard box, the plastic contained in the packaging, and the parts that make up this device can be recycled
in accordance with regionally established regulations. Never dispose of this electronic equipment along with
domestic waste. You may be subject to penalties or sanctions under the law. Instead, ask for disposal instructions
from your municipal government.
Please be responsible and protect our environment.

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Document history
This document covers the following product:
NetComm Wireless NL1901ACV Enhanced Hybrid 4G LTE Gateway
VER.
DOCUMENT DESCRIPTION
DATE
v 1.0 Initial version. December 2018
Table i. - Document revision history

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Contents
Overview ...........................................................................................................................................................................8
Introduction ....................................................................................................................................................................................................................8
Target audience .............................................................................................................................................................................................................8
Prerequisites ...................................................................................................................................................................................................................8
Notation ..........................................................................................................................................................................................................................8
Welcome ...........................................................................................................................................................................9
Product overview ...............................................................................................................................................................9
Package contents...............................................................................................................................................................9
Product features ..............................................................................................................................................................10
Perfect for......................................................................................................................................................................................................................10
Key Features .................................................................................................................................................................................................................10
nbn and UFB ready ...............................................................................................................................................................................................10
Undisrupted connectivity .....................................................................................................................................................................................10
Triple play services................................................................................................................................................................................................10
Enhanced wireless experience ............................................................................................................................................................................10
Media sharing ........................................................................................................................................................................................................11
Physical dimensions and weight .......................................................................................................................................11
NL1901ACV Default Settings ...........................................................................................................................................11
Interfaces.........................................................................................................................................................................13
Front ..............................................................................................................................................................................................................................13
Rear................................................................................................................................................................................................................................15
Left Side ........................................................................................................................................................................................................................17
Safety and product care...................................................................................................................................................18
Transport and handling....................................................................................................................................................18
Installation and configuration of the NL1901ACV .............................................................................................................19
Placement of your NL1901ACV ..................................................................................................................................................................................19
Avoiding obstacles and interference.........................................................................................................................................................................19
Cordless phones ..........................................................................................................................................................................................................19
Choosing the “quietest” channel for your wireless network ..................................................................................................................................20
Hardware installation .......................................................................................................................................................21
Connecting a client via Ethernet cable......................................................................................................................................................................21
Connecting a client wirelessly ....................................................................................................................................................................................21
First-time setup wizard.....................................................................................................................................................22
Select WAN Connection Type....................................................................................................................................................................................22
ADSL .......................................................................................................................................................................................................................23
VDSL .......................................................................................................................................................................................................................25
Ethernet WAN .......................................................................................................................................................................................................27
Mobile Network.....................................................................................................................................................................................................30
Device Info ......................................................................................................................................................................32
Summary........................................................................................................................................................................................................................32

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Device Info .............................................................................................................................................................................................................32
WAN Connection Status ......................................................................................................................................................................................33
Cellular Network Connection Status...................................................................................................................................................................34
WAN ..............................................................................................................................................................................................................................35
Statistics ........................................................................................................................................................................................................................36
Statistics – LAN......................................................................................................................................................................................................36
Statistics – WAN Service.......................................................................................................................................................................................36
Statistics – xTM......................................................................................................................................................................................................37
Statistics – xDSL.....................................................................................................................................................................................................38
Route .............................................................................................................................................................................................................................39
ARP ................................................................................................................................................................................................................................39
DHCP.............................................................................................................................................................................................................................39
CPU & Memory.............................................................................................................................................................................................................40
Advanced Setup ..............................................................................................................................................................41
Layer 2 Interface ...........................................................................................................................................................................................................41
ATM Interface ........................................................................................................................................................................................................41
PTM Interface.........................................................................................................................................................................................................42
ETH Interface .........................................................................................................................................................................................................43
WAN Service.................................................................................................................................................................................................................44
PPP over Ethernet .................................................................................................................................................................................................45
IP over Ethernet.....................................................................................................................................................................................................46
Bridging..................................................................................................................................................................................................................47
Mobile Broadband.......................................................................................................................................................................................................47
Add/Edit Mobile Broadband Setup....................................................................................................................................................................48
PIN settings............................................................................................................................................................................................................50
LAN................................................................................................................................................................................................................................51
IPv4 Autoconfig .....................................................................................................................................................................................................51
IPv6 Autoconfig .....................................................................................................................................................................................................53
LAN VLAN Setting.................................................................................................................................................................................................54
NAT................................................................................................................................................................................................................................55
Virtual Servers ........................................................................................................................................................................................................55
Port Triggering ......................................................................................................................................................................................................56
DMZ Host...............................................................................................................................................................................................................57
ALG.........................................................................................................................................................................................................................58
Security..........................................................................................................................................................................................................................59
IP Filtering ..............................................................................................................................................................................................................59
MAC Filtering ........................................................................................................................................................................................................61
Parental Control ...........................................................................................................................................................................................................62
Time Restriction.....................................................................................................................................................................................................62
URL Filter................................................................................................................................................................................................................63
Quality of Service .........................................................................................................................................................................................................65
QoS Queue............................................................................................................................................................................................................65
QoS Classification .................................................................................................................................................................................................67
QoS Port Shaping .................................................................................................................................................................................................67
Routing ..........................................................................................................................................................................................................................69
Default Gateway....................................................................................................................................................................................................69
Static Route............................................................................................................................................................................................................69
Policy Routing........................................................................................................................................................................................................70
RIP ...........................................................................................................................................................................................................................71
DNS................................................................................................................................................................................................................................72
DNS Server Configuration....................................................................................................................................................................................72
Dynamic DNS.........................................................................................................................................................................................................73
DSL.................................................................................................................................................................................................................................74
DSL Advanced settings ........................................................................................................................................................................................75
ADSL Tone Settings..............................................................................................................................................................................................76
UPnP ..............................................................................................................................................................................................................................76
DNS Proxy .....................................................................................................................................................................................................................77
DLNA .............................................................................................................................................................................................................................77
Storage Service ............................................................................................................................................................................................................78

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Storage Device Info ..............................................................................................................................................................................................78
User Accounts........................................................................................................................................................................................................78
Interface Grouping.......................................................................................................................................................................................................79
IP Tunnel........................................................................................................................................................................................................................80
IPv6inIPv4 ...............................................................................................................................................................................................................80
IPv4inIPv6 ...............................................................................................................................................................................................................80
IPSec ..............................................................................................................................................................................................................................81
Multicast (IGMP Configuration)..................................................................................................................................................................................83
Wireless...........................................................................................................................................................................85
WiFi 2.4GHz/WiFi 5GHz ..............................................................................................................................................................................................85
Wireless – Basic .....................................................................................................................................................................................................86
Wireless – Security ................................................................................................................................................................................................87
Wireless – MAC Filter ...........................................................................................................................................................................................88
Wireless – Wireless Bridge (Wireless Distribution Service) ..............................................................................................................................89
Wireless – Advanced.............................................................................................................................................................................................90
Wireless – Station Info ..........................................................................................................................................................................................94
Voice...............................................................................................................................................................................95
VoIP Status ....................................................................................................................................................................................................................95
SIP Basic Setting...........................................................................................................................................................................................................96
SIP Advanced Setting ..................................................................................................................................................................................................98
Configuring a VoIP dial plan ..............................................................................................................................................................................101
Dial plan syntax ...................................................................................................................................................................................................101
Dial plan example: Australia Dial Plan..............................................................................................................................................................102
SIP Extra Setting.........................................................................................................................................................................................................102
SIP Star Code Setting ................................................................................................................................................................................................103
SIP Debug Setting......................................................................................................................................................................................................103
VoIP Functionality.......................................................................................................................................................................................................104
Registering...........................................................................................................................................................................................................104
Placing a Call .......................................................................................................................................................................................................104
Anonymous call ...................................................................................................................................................................................................104
Do Not Disturb (DND) ........................................................................................................................................................................................105
Call Return............................................................................................................................................................................................................105
Call Hold...............................................................................................................................................................................................................105
Call Waiting..........................................................................................................................................................................................................105
Call Transfer.........................................................................................................................................................................................................105
Consultative Transfer..........................................................................................................................................................................................106
Call Forwarding No Answer...............................................................................................................................................................................106
Call Forwarding Busy ..........................................................................................................................................................................................106
Call Forwarding All..............................................................................................................................................................................................106
Three-Way Conference ......................................................................................................................................................................................106
T.38 Faxing...........................................................................................................................................................................................................107
Pass-Through Faxing ..........................................................................................................................................................................................107
Diagnostics.................................................................................................................................................................... 108
Diagnostics – Diagnostics .........................................................................................................................................................................................108
Diagnostics – Ethernet OAM....................................................................................................................................................................................110
Diagnostics – Ping......................................................................................................................................................................................................111
Diagnostics – Traceroute ..........................................................................................................................................................................................111
Diagnostics – Start/Stop DSL....................................................................................................................................................................................111
Management ................................................................................................................................................................. 112
Management – Settings ............................................................................................................................................................................................112
Backup..................................................................................................................................................................................................................112
Update Settings...................................................................................................................................................................................................112
Factory Reset .......................................................................................................................................................................................................113
Management – System Log ......................................................................................................................................................................................113
Configure Log Output........................................................................................................................................................................................113

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View System Log .................................................................................................................................................................................................115
Management – Security Log.....................................................................................................................................................................................116
Management – SNMP Agent....................................................................................................................................................................................117
Management – TR-069 Client ...................................................................................................................................................................................118
Management – Internet Time ...................................................................................................................................................................................119
Management – Access Control ................................................................................................................................................................................120
Passwords.............................................................................................................................................................................................................120
Access List............................................................................................................................................................................................................121
Services Control ..................................................................................................................................................................................................122
Management – Update Firmware ............................................................................................................................................................................123
Management – Reboot..............................................................................................................................................................................................123
Logout........................................................................................................................................................................... 124
Reconnect ............................................................................................................................................................................................................124
Additional Product Information ......................................................................................................................................125
Establishing a wireless connection...........................................................................................................................................................................125
Windows 7............................................................................................................................................................................................................125
Windows 8/8.1/10................................................................................................................................................................................................125
Mac OSX 10.6 ......................................................................................................................................................................................................125
Troubleshooting ............................................................................................................................................................126
Using the indicator lights (LEDs) to Diagnose Problems.......................................................................................................................................126
Power LED............................................................................................................................................................................................................126
Web Configuration .............................................................................................................................................................................................126
Login Username and Password .........................................................................................................................................................................127
WLAN Interface ...................................................................................................................................................................................................127
Appendix: Quality of Service setup example ..................................................................................................................128
Reserving IP addresses...................................................................................................................................................128
QoS Configuration Settings ........................................................................................................................................... 130
High Priority QoS Queue Configuration .................................................................................................................................................................130
Low Priority QoS Queue Configuration...................................................................................................................................................................131
High Priority QoS Classification................................................................................................................................................................................132
Low Priority QoS Classification.................................................................................................................................................................................134
Limiting the upstream rate........................................................................................................................................................................................136
Limiting the downstream rate...................................................................................................................................................................................137
Table of Figures.............................................................................................................................................................139
Table of Tables.............................................................................................................................................................. 142
Legal & Regulatory Information......................................................................................................................................143
Intellectual Property Rights ............................................................................................................................................ 143
Customer Information .................................................................................................................................................... 143
Consumer Protection Laws............................................................................................................................................. 144
Product Warranty...........................................................................................................................................................144
Limitation of Liability......................................................................................................................................................145
Contact ......................................................................................................................................................................... 146

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Overview
Introduction
This manual provides information related to the installation, operation, and use of the NL1901ACV.
Target audience
The individual reading this manual is presumed to have a basic understanding of telecommunications terminology
and concepts.
Prerequisites
Before continuing with the installation of your NL1901ACV, please confirm that you meet the minimum system
requirements below.
An activated ADSL/VDSL or pre-configured WAN connection.
A computer with a working Ethernet adapter or wireless 802.11a/b/g/n/ac capability and the TCP/IP Protocol
installed.
A current version of a web browser such as Internet Explorer®, Mozilla Firefox® or Google Chrome™.
Notation
The following symbols are used in this manual:
Note
– The following note provides useful information.
Attention
– The following situation requires attention.
Warning
– The following note provides a warning.

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Welcome
Thank you for purchasing a NetComm NL1901ACV. This guide contains all the information you need to configure
your device.
Product overview
Fully featured hybrid LTE/ DSL gateway
VDSL2/ ADSL2+
Embedded 4G LTE Cat 4 / 3G module
1x Gigabit Ethernet WAN port
New generation 802.11 AC1600, dual band concurrent WiFi - designed to provide a powerful wireless
network
2x WPS push buttons for the quick and easy connection of wireless devices on both 2.4GHz and 5GHz bands
Internal SIM card slot
VoIP for HD quality voice calls - connect up to 2 telephones
4 x Gigabit Ethernet 10/100/1000 LAN ports
2 x USB 2.0 ports
Device performance monitoring and management through TR-069
Package contents
The NL1901ACV package consists of:
1 x NetComm NL1901ACV Enhanced Hybrid 4G LTE Gateway
2 x 4G/LTE antennas
1 x RJ45 Ethernet cable
1 x RJ11 Telephone cable
1 x Power supply (12V/2A)
1 x WiFi Security card
1 x Warranty card
1 x Quick Start Guide
If any of these items are missing or damaged, please contact NetComm Support immediately by visiting the
NetComm Support website at: https://support.netcommwireless.com/

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Product features
Perfect for
Ultra-fast connection to nbn™ or UFB fibre networks
High-speed connection to VDSL2/ ADSL2+ networks
Fast 4G LTE back up connection
Small to medium enterprises looking for reliable “always on” connectivity
Triple play services
Establishing a powerful wireless network
Key Features
The NetComm NL1901ACV enhanced VDSL2/ADSL2+/LTE hybrid wireless gateway providing an exceptionally fast
and reliable broadband experience to your premises.
nbn and UFB ready
Featuring VDSL2/ADSL2 technologies as well as 4G LTE connectivity and a Gigabit WAN port, the NL1901ACV is
an all-in-one triple play smart gateway that provides access to all nbn (National Broadband Network) and UFB
(Ultra-Fast Broadband) fibre network configurations: FTTC, FTTN, FTTB and FTTH
Undisrupted connectivity
Benefit from hybrid technology to offer undisrupted broadband experience from the very start. Equipped with a
4G LTE category 4 module, the NL1901ACV hybrid gateway will connect to the mobile network to:
Offer Mobile fallback connectivity - automatic switch to the 4G mobile network in case the fixed line service
is disrupted and back, guaranteeing continuity of online operations during any downtime of your primary
connection.
Connect sooner (Walk Out Working) – the NL1901ACV enables superfast internet access before the fixed
line service is even activated, allowing end users to connect faster, without waiting period!
Triple play services
The NL1901ACV is a triple play services enabler that supports the transmission of high-speed data, multi HD/UHD
IPTV and over the top video streaming, VoIP feature for HD quality voice calls with the capacity to connect 2
phones.
Enhanced wireless experience
The NL1901ACV gateway embeds the 802.11 AC WiFi standard for powerful access point and HD video grade
wireless capabilities. It allows both 2.4GHz and 5GHz bands to work concurrently, optimising performances and
ensuring interoperability with all wireless equipment in the house or office.
Equipped with advanced 3 x 3 MIMO internal antennas, the NL1901ACV provides optimum reception while
offering a strong signal throughout the home or business facilities.

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Media sharing
Connect a USB device to the NL1901ACV gateway, access and share all A/V media and file content with all of the
connected devices in the house in real time. The NL1901ACV becomes the media hub of the house using
DLNA/UPnP standard and enhanced wireless capabilities to create a reliable high-speed home network.
The NL1901ACV has been designed to be placed on a desktop. All of the cables exit from the rear for easy
organization. The display is visible on the front of the NL1901ACV to provide you with information about network
activity and the device status.
Physical dimensions and weight
The table below lists the physical dimensions and weight of the NL1901ACV.
DIMENSIONS
Width 230 mm
Height 200 mm
Depth 75 mm
Weight 562 grams (approx.)
Table 1 – Physical dimensions and weight table
NL1901ACV Default Settings
The following tables list the default settings for the NL1901ACV.
LAN (MANAGEMENT)
Static IP Address
192.168.20.1
Subnet Mask
255.255.255.0
Default Gateway
192.168.20.1
Table 2 – LAN (Management) table
WIRELESS (WIFI)
SSID
(Refer to the included Wireless Security Card)
Security
WPA2-PSK (AES)
Security Key
(Refer to the included Wireless Security Card)
Table 3 – Wireless (WIFI) table
NL1901ACV WEB INTERFACE ACCESS
Username
admin
Password
The NL1901ACV’s Serial Number
Table 4 – NL1901ACV WEB Interface Access table

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Note
– To replace the
Username
and
Password
with your personal choice go to:
Management > Access Control -- Passwords
Your new username or password can be up to 16 characters or numbers and cannot contain spaces.
Enter the current
Username
and
New Username
, the
Old
Password
and
New Password
and re-enter the new password in the
Confirm Password
field and click
Apply/Save
to apply the new settings.

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Interfaces
The NL1901ACV has been designed to be placed on a desktop resting on its round pedestal.
User interface elements are found on the front, back and left side (viewed from the front) of the gateway device.
Front
The front of the NL1901ACV has a row of icons with LED lights behind them that provide information about the
NL1901ACV’s current status and network activity.
Figure 1 – NL1901ACV gateway front view
LED indicators
The colour and activity of the LED lights behind the icons indicate current status or activity of the functionality
represented by each icon or number.
LED indicators on front of NL1901ACV
The following table explains the meaning of the LED indicator light displays.

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LED
INDICATOR
ICON
COLOUR /
ACTIVITY
DEFINITION
Power
Red After the NL1901ACV is powered on while it is
initialising (normally 1-2 minutes).
Green The NL1901ACV is powered on and operating
normally.
Off The power is off.
DSL
Off No DSL signal detected.
Green Blinking
Synching.
Green DSL synchronized.
Internet
Green The NL1901ACV is connected to an internet
service.
Green Blinking Data is being transmitted to or from the internet.
Red User ID/Password is configured wrong for DSL
interface.
Off The NL1901ACV is not connected to the internet.
WAN
Green A device is connected to the Ethernet WAN port.
Green Blinking Data is being transmitted to or from the WAN.
Off No device is connected to the Ethernet WAN
port.
Ethernet
1
2
3
4
Green
A device is connected to the Ethernet LAN port.
Green Blinking
Data is being transmitted to or from the Ethernet
LAN port.
Off No device is connected to the Ethernet LAN
port.
WiFi
2.4
Green 2.4G WiFi service is enabled.
Green Blinking Data is being transmitted to or from the Wireless
interface.
Off WiFi is disabled.
5
Green 5G WiFi service is enabled.
Green Blinking
Data is being transmitted to or from the Wireless
interface.
Off WiFi is disabled.
WPS
Green WPS client is paired.
Green Blinking WPS pairing is triggered.
Off WPS is disabled.
USB
1
2
Green A USB device is connected.
Green Blinking
Data is being transmitted through the USB
interface.
Off No USB device is connected to the USB
interface.
Telephone
Green A VoIP account is registered.

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LED
INDICATOR
ICON
COLOUR /
ACTIVITY
DEFINITION
1
2
Green Blinking Incoming call or the handset is in use.
Off No handset registered
LTE
Off No LTE connection.
Green LTE connection established.
LTE signal
Off No LTE signal detected.
1 Green The LTE signal is weak.
2 Green The LTE signal is medium.
3 Green The LTE signal is strong.
Table 5 – LED indicator table
Rear
All of the cables attach from the rear together with the two antenna sockets.
Figure 2 – NL1901ACV gateway rear view
NO.
INTERFACE
DESCRIPTION
1
4G/LTE antennae
sockets
For use with the SIM/LTE 4G functionality.
2
DSL
Use the provided RJ11 cable to connect the gateway to the
telephone line operating your xDSL service.

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NO.
INTERFACE
DESCRIPTION
3
Telephone 1 and 2
Connect a regular analogue telephone handset here for use
with a VoIP service.
4
Ethernet 1 - 4
Gigabit Ethernet LAN ports. Connect your Ethernet based
devices to one of these ports for high-speed internet access.
5
WAN
Gigabit capable WAN port for connection to a WAN
network. Connect to your Network Termination Device
(NTD) for high-speed internet access.
6
Reset
button Reset unit to Default by inserting a thin metal wire into the
hole and holding the
Reset
button down for 10 seconds
when unit is powered on.
7
USB
Connect an external USB storage device here to use the
Network Attached Storage (NAS) feature of the NL1901ACV.
8
2.4G WPS button
Press the
2.4G WPS
button to activate the WPS PBC pairing
function for the 2.4GHz radio.
9
5G WPS button
Press the
5G WP
S button to activate the WPS PBC pairing
function for the 5GHz radio.
10
USB 1 socket
Connect an external USB storage device here to use the
Network Attached Storage (NAS) feature of the NL1901ACV.
11
Power supply jack
Connection point for the included power adapter. Connect
the power supply here.
Table 6 – Rear interface table

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Left Side
Figure 3 – NL1901ACV gateway side view
NO
INTERFACE
DESCRIPTION
1
SIM Card slot
Slot for 2FF form SIM card.
2
USB 2 socket
Connect an external USB storage device here to use the Network
Attached Storage (NAS) feature of the NL1901ACV.
3
On/Off
button Toggles the power on and off.
Table 7 – Side interface table
1
2
3

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Safety and product care
Your gateway is an electronic device that sends and receives radio signals. Please take the time to read this list of
precautions that should be taken when installing and using the gateway.
Do not disassemble the gateway. There are no user-serviceable parts.
Do not allow the gateway to come into contact with liquid or moisture at any time. To clean the device, wipe
it with a damp cloth.
Do not restrict airflow around the device. This can lead to the device overheating.
Do not place the device in direct sunlight or in hot areas.
Transport and handling
When transporting the NL1901ACV, it is recommended to return the product in the original packaging. This
ensures that the product will not be damaged.
Attention
– In the event the product needs to be returned, ensure it is securely packaged with appropriate padding to
prevent damage during courier transport.

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Installation and configuration of the
NL1901ACV
Placement of your NL1901ACV
The wireless connection between your NL1901ACV and your WiFi devices will be strong when they are in close
proximity and have direct line of sight. As your client device moves further away from the NL1901ACV or solid
objects block direct line of sight to the gateway, your wireless connection and performance may degrade. This may
or may not be directly noticeable, and is greatly affected by the individual installation environment.
If you have concerns about your network’s performance that might be related to range or obstruction factors, try
moving the computer to a position between three to five meters from the NL1901ACV in order to see if distance is
the problem.
Note
– While some of the items listed below can affect network performance, they will not prohibit your wireless network from functioning;
if you are concerned that your network is not operating at its maximum effectiveness, this check list may help
If you experience difficulties connecting wirelessly between your WiFi Devices and your NL1901ACV, please try the
following steps:
In multi-storey homes, place the NL1901ACV on a floor that is as close to the centre of the home as possible.
This may mean placing the NL1901ACV on an upper floor.
Try not to place the NL1901ACV near a cordless telephone that operates at the same radio frequency as the
NL1901ACV (2.4GHz/5GHz).
Avoiding obstacles and interference
Avoid placing your NL1901ACV near devices that may emit radio “noise,” such as microwave ovens. Dense objects
that can inhibit wireless communication include:
Refrigerators
Washers and/or dryers
Metal cabinets
Large aquariums
Metallic-based, UV-tinted windows
If your wireless signal seems weak in some spots, make sure that objects such as those listed above are not
blocking the signal’s path (between your devices and the NL1901ACV).
Cordless phones
If the performance of your wireless network is impaired after considering the above issues, and you have a cordless
phone:
Try moving cordless phones away from your NL1901ACV and your wireless-enabled computers.
Unplug and remove the battery from any cordless phone that operates on the 2.4GHz or 5GHz band (check
manufacturer’s information). If this fixes the problem, your phone may be interfering with the NL1901ACV.

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If your phone supports channel selection, change the channel on the phone to the farthest channel from
your wireless network. For example, change the phone to channel 1 and move your NL1901ACV to channel
11. See your phone’s user manual for detailed instructions.
If necessary, consider switching to a 900MHz or 1800MHz cordless phone.
Choosing the “quietest” channel for your wireless
network
In locations where homes or offices are close together, such as apartment buildings or office complexes, there may
be wireless networks nearby that can conflict with your wireless network. Your wireless adapter may include a utility
to assist in scanning for the least congested network, otherwise you may be able to find another piece of software
that can be used. These tools display a graphical representation of the wireless networks in range and the channels
on which they are operating. Try to find a channel which is not as busy and does not overlap with another one.
Channels 1, 6 and 11 are the only channels on 2.4GHz which do not overlap with one another and you should
ideally choose one of these channels. Experiment with more than one of the available channels, in order to find the
clearest connection and avoid interference from neighbouring cordless phones or other wireless devices.