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NETCOMM GATEWAY™ SERIES –
NB304N – ADSL2+ Wireless N300 Modem Router
6
NetComm NB304N – ADSL2+ Wireless N300 Modem
YML304X
www.netcomm.com.au
Physical Dimensions and
Indicators
LED Indicators
The NB304N has been designed to be placed on a desktop. All of the cables exit from the rear for better organization. The display
is visible on the front of the NB304N to provide you with information about network activity and the device status. See below for an
explanation of each of the indicator lights.
LED INDICATOR
ICON
COLOUR
DEFINITION
Power
Off
Router is not powered on
Red
Router is starting up
Green
Router is operating normally
DSL
Off
Router is not connected to an xDSL service
Green
Router is connected to an xDSL service
Flashing
Router is connecting to an xDSL service
Internet
Off
Router is not connected to the Internet
Red
Router is unable to connect to the internet with the current configuration details
Green
Router is connected to the internet
Flashing
Data is being transmitted or received via the Internet connection
LAN1-LAN4
Off
No device connected to the LAN port
Green
Device connected to the LAN port
Flashing
Data is being transmitted or received on the LAN port
WLAN
Off
Wi-Fi function is disabled
Green
Wi-Fi function is enabled
Flashing
Data is being transmitted or received via the Wi-Fi network
WPS
Off
WPS function is disabled
Green
WPS function is enabled
Flashing
WPS function is attempting to connect to a device
USB
Off
No USB device is plugged in
Green
USB device plugged in
Flashing
Data is being transmitted or received from the attached USB device
Page 7 / 56
www.netcomm.com.au
7
NetComm NB304N – ADSL2+ Wireless N300 Modem
YML304X
Physical Dimensions
The following page lists the physical dimensions of the NB304N.
NB304N
Length
181 mm
Height
135 mm
Width
26 mm
Weight
245 grams
NB304N Default Settings
The following tables list the default settings for the NB304N.
LAN (MANAGEMENT)
Static IP Address:
192.168.1.1
Subnet Mask:
255.255.255.0
Default Gateway:
192.168.1.1
WIRELESS (WI-FI)
SSID:
NetComm Wireless
Security:
WPA2-PSK
Security Key:
a1b2c3d4e5
NB304N WEB INTERFACE ACCESS
Username:
admin
Password:
admin
Page 8 / 56
NETCOMM GATEWAY™ SERIES –
NB304N – ADSL2+ Wireless N300 Modem Router
8
NetComm NB304N – ADSL2+ Wireless N300 Modem
YML304X
www.netcomm.com.au
Integrated Interfaces
The following integrated interfaces are available on the NB304N:
INTERFACE
FUNCTION
Antenna
Wi-Fi Antenna
DSL
Attach a telephone line with an active xDSL service here
WLAN
Press this button to enable or disable the Wi-Fi function of the NB304N
RESET
Hold this button down for 10 seconds or more to reset the NB304N to factory defaults
WPS
Press this button to enable the WPS push-button connect function
LAN1-LAN4
Attach Ethernet based devices
USB
Attach an external USB storage device to share content with connected devices
Power (12V)
Power connector, connects to a DC 12V 1.5A Power Adapter
Power
Turn the NB304N on or off
Antenna
Wi-Fi Antenna
Page 9 / 56
www.netcomm.com.au
9
NetComm NB304N – ADSL2+ Wireless N300 Modem
YML304X
Safety and Product Care
With reference to unpacking, installation, use and maintenance of your electronic device, the following basic guidelines are
recommended:
Do not use or install this product near water to avoid fire or shock hazard. For example, near a bathtub, kitchen sink,
laundry tub, or near a swimming pool. Also, do not expose the equipment to rain or damp areas (e.g. a wet basement).
Do not connect the power supply cord on elevated surfaces. Allow it to lie freely. There should be no obstructions in its
path and no heavy items should be placed on the cord. In addition, do not walk on, step on or mistreat the cord.
To safeguard the equipment against overheating, make sure that all openings in the unit that offer exposure to air are
unobstructed.
WARNING
Disconnect the power line from the device before servicing.
Transport and Handling
When transporting the NB304N, it is recommended to return the product in the original packaging. This ensures the product will not
be damaged.
In the event the product needs to be returned, ensure it is securely packaged with appropriate padding to prevent
damage during courier transport.
Page 10 / 56
NETCOMM GATEWAY™ SERIES –
NB304N – ADSL2+ Wireless N300 Modem Router
10
NetComm NB304N – ADSL2+ Wireless N300 Modem
YML304X
www.netcomm.com.au
Installation and Configuration of
the NB304N
Placement of your NB304N
The wireless connection between your NB304N and your Wi-Fi devices will be stronger the closer your connected devices are to
your NB304N. Your wireless connection and performance will degrade as the distance between your NB304N and connected
devices increases. 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 NB304N in order to see if distance is the problem.
Please 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
checklist may help.
If you experience difficulties connecting wirelessly between your Wi-Fi Devices and your NB304N, please try the following steps:
In multi-storey homes, place the NB304N on a floor that is as close to the centre of the home as possible. This may
mean placing the NB304N on an upper floor.
Try not to place the NB304N near a cordless telephone that operates at the same radio frequency as the NB304N
(2.4GHz).
Avoid obstacles and interference
Avoid placing your NB304N 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 NB304N).
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 NB304N and your wireless-enabled computers.
Unplug and remove the battery from any cordless phone that operates on the 2.4GHz band (check manufacturer’s
information). If this fixes the problem, your phone may be interfering with the NB304N.
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 NB304N to channel 11. See your phone’s user
manual for detailed instructions.
If necessary, consider switching to a 900MHz or 5GHz cordless phone.
Choose 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. Use the Site Survey capabilities found in the Wireless Utility of your
wireless adapter to locate any other wireless networks that are available (see your wireless adapter’s user manual), and switch your
Router and computers to a channel as far away from other networks as possible.
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.

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