NetComm NP740n User manual

User Guide
NP740N
11n Wireless Broadband Router

NP740N 11n Wireless Router YML887
2 www.netcomm.com.au

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Contents
CHAPTER I: PRODUCT INFORMATION ...........................................................................................................5
1-1 Introduction .......................................................................................................................................5
1-2 Safety Information..............................................................................................................................6
1-3 System Requirements ........................................................................................................................6
1-4 Package Contents..............................................................................................................................6
1-5 Familiarise yourself with your new wireless broadband router ...............................................................7
CHAPTER II: SYSTEM AND NETWORK SETUP ...............................................................................................9
2-1 Build network connection....................................................................................................................9
2-2 Connecting to wireless broadband router by web browser...................................................................11
2-2-1 Windows 95/98/Me IP address setup......................................................................................11
2-2-2 Windows 2000 IP address setup.............................................................................................12
2-2-3 Windows XP IP address setup.................................................................................................13
2-2-4 Windows Vista IP address setup..............................................................................................14
2-2-5 Router IP address lookup........................................................................................................15
2-3 Using ‘Quick Setup’..........................................................................................................................17
2-3-1 Setup procedure for ‘Cable Modem’ ........................................................................................19
2-3-2 Setup procedure for ‘Fixed-IP xDSL’ ........................................................................................19
2-3-3 Setup procedure for ‘PPPoE xDSL’...........................................................................................20
2-3-4 Setup procedure for ‘PPTP xDSL’ ............................................................................................21
2-3-5 Setup procedure for ‘L2TP xDSL’.............................................................................................22
2-3-6 Setup procedure for ‘L2TP’.....................................................................................................23
2-3-7 Setup procedure for ‘Telstra Big Pond’.....................................................................................24
2-4 Basic Setup .....................................................................................................................................25
2-4-1 Time zone and time auto-synchronization ................................................................................25
2-4-2 Change management password..............................................................................................26
2-4-3 Remote Management.............................................................................................................27
2-5 Setup Internet Connection (WAN Setup).............................................................................................28
2-5-1 Setup procedure for ‘Dynamic IP’............................................................................................29
2-5-2 Setup procedure for ‘Static IP’ ................................................................................................30
2-5-3 Setup procedure for ‘PPPoE’...................................................................................................31
2-5-4 Setup procedure for ‘PPTP’.....................................................................................................32
2-5-5 Setup procedure for ‘L2TP’.....................................................................................................34
2-5-6 Setup procedure for ‘Telstra Big Pond’.....................................................................................35
2-5-7 Setup procedure for ‘DNS’ ......................................................................................................36
2-5-7 Setup procedure for ‘DDNS’....................................................................................................37
2-6 Wired LAN Configuration ..................................................................................................................38
2-6-1 LAN IP section .......................................................................................................................39
2-6-2 DHCP Server..........................................................................................................................40
2-6-3 Static DHCP Leases Table.......................................................................................................41
2-7 Wireless LAN Configuration...............................................................................................................42
2-7-1 Basic Wireless Settings ..........................................................................................................43
2-7-1-1 Setup procedure for ‘AP’........................................................................................44
2-7-1-2 Setup procedure for ‘AP Bridge - Point to Point’ ......................................................45
2-7-1-3 Setup procedure for ‘AP Bridge - Point to Multi Point’ ..............................................46

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2-7-1-4 Setup procedure for ‘AP Bridge - WDS’...................................................................47
2-7-2 Advanced Wireless Settings ....................................................................................................48
2-7-3 Wireless Security....................................................................................................................50
2-7-3-1 Disable wireless security........................................................................................50
2-7-3-2 WEP - Wired Equivalent Privacy ..............................................................................50
2-7-3-3 Wi-Fi Protected Access (WPA) ................................................................................52
2-7-3-4 WPA RADIUS .........................................................................................................53
2-7-4 Wireless Access Control .........................................................................................................54
2-7-5 Wi-Fi Protected Setup (WPS)...................................................................................................55
2-7-6 Security Tips for Wireless Network...........................................................................................56
CHAPTER III: ADVANCED FUNCTIONS .........................................................................................................57
3-1 Quality of Service (QoS) ....................................................................................................................57
3-1-1 Basic QoS Settings.................................................................................................................58
3-1-2 Add a new QoS rule................................................................................................................59
3-2 Network Address Translation (NAT) ....................................................................................................60
3-2-1 Basic NAT Settings (Enable or disable NAT function) .................................................................60
3-2-2 Port Forwarding .....................................................................................................................61
3-2-3 Virtual Server .........................................................................................................................62
3-2-4 Port Mapping for Special Applications......................................................................................63
3-2-5 UPnP Setting .........................................................................................................................63
3-2-6 ALG Settings..........................................................................................................................64
3-3 Firewall ...........................................................................................................................................65
3-3-1 Access Control.......................................................................................................................66
3-3-1-1 Add PC .................................................................................................................68
3-3-2 URL Blocking .........................................................................................................................69
3-3-3 DoS Attack Prevention ............................................................................................................70
3-3-3-1 DoS - Advanced Settings........................................................................................71
3-3-4 Demilitarized Zone (DMZ) .......................................................................................................72
3-4 System Status..................................................................................................................................73
3-4-1 System information and firmware version ................................................................................73
3-4-2 Internet Connection Status......................................................................................................73
3-4-3 Device Status.........................................................................................................................74
3-4-4 System Log ...........................................................................................................................74
3-4-5 Active DHCP client list ............................................................................................................75
3-4-6 Statistics ...............................................................................................................................76
3-5 Configuration Backup and Restore ....................................................................................................77
3-6 Firmware Upgrade ...........................................................................................................................78
3-7 System Reset...................................................................................................................................79
CHAPTER IV: APPENDIX ..............................................................................................................................80
4-1 Hardware Specification.....................................................................................................................80
4-2 Troubleshooting................................................................................................................................81
4-3 Glossary ..........................................................................................................................................83
4-4 Legal and Regualtory Information......................................................................................................86
Customer Information.......................................................................................................................86
Product Warranty .............................................................................................................................87
Limitations of Warranty.....................................................................................................................87

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CHAPTER I: PRODUCT INFORMATION
1-1 Introduction
Thank you for purchasing this wireless broadband router! This high cost-efficiency router is the best choice for
Small office / Home office users, all computers and network devices can share a single xDSL / cable modem
internet connection at high speed. Easy install procedures allows any computer users to setup a network
environment in very short time - within minutes, even inexperienced. When the number of your computers and
network-enabled devices grow, you can also expand the number of network slot by simple attach a hub or
switch, to extend the scope of your network!
With built-in IEEE 802.11b/g/Draft-N wireless network capability, all computers and wireless-enabled network
devices (including PDA, cellular phone, game console, and more!) can connect to this wireless router without
additional cabling. New Draft-N wireless capability also gives you the highest speed of wireless experience
ever! With a compatible wireless card installed in your PC, you can transfer file for up to 300Mbps (transfer
data rate)! The radio coverage is also doubled, so don’t worry if your office or house is really big!
Other features of this router include:
• High Internet Access throughput
• Allow multiple users to share a single Internet line
• Supports up to 253 users
• Share a single Cable or xDSL internet connection
• Access private LAN servers from the internet
• Four wired LAN ports (10/100M) and one WAN port (10/100M)
• Provides IEEE 802.11b/g/Draft-N wireless LAN capability
• Support DHCP (Server/Client) for easy IP-address setup
• Advanced network and security features like: Special Applications, DMZ, Virtual Servers, Access
Control, Firewall.
• Allow you to monitor the router’s status like: DHCP Client Log, System Log, Security Log and Device/
Connection Status
• Easy to use Web-based GUI for network configuration and management purposes
• Remote management function allows configuration and upgrades from a remote computer (over the Internet)
• Auto MDI / MDI-X function for all wired Ethernet ports.

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1-2 Safety Information
In order to keep the safety of users and your properties, please follow the following safety instructions:
1. This router is designed for indoor use only; DO NOT place this router outdoor.
2. DO NOT put this router at or near hot or humid places, like kitchen or bathroom. Also, do not left this
router in the car in summer.
3. DO NOT pull any connected cable with force; disconnect it from the router first.
4. If you want to place this router at high places or hang on the wall, please make sure the router is firmly
secured. Falling from high places would damage the router and its accessories, and warranty will be void.
5. Accessories of this router, like antenna and power supply, are danger to small children under 3 years old.
They may put the small parts in their nose or month and it could cause serious damage to them. KEEP
THIS ROUTER OUT THE REACH OF CHILDREN!
6. The router will become hot when being used for long time (This is normal and is not a malfunction), DO
NOT put this router on paper, cloth, or other flammable materials.
7. There’s no user-serviceable part inside the router. If you found that the router is not working properly, please
contact your dealer of purchase and ask for help. DO NOT disassemble the router, warranty will be void.
8. If the router falls into water when it’s powered, DO NOT use your hand to pick it up. Switch the electrical
power off before you do anything, or contact an experienced technician for help.
9. If you smell something strange, or even see some smoke coming out from the router or power supply,
remove the power supply or switch the electrical power off immediately, and call dealer of purchase for help.
1-3 System Requirements
• Internet connection, provided by xDSL or cable modem with a RJ-45 Ethernet port.
• Computer or network devices with wired or wireless network interface card.
• Web browser (Microsoft Internet Explorer 4.0 or above, Netscape Navigator 4.7 or above, Opera web
browser, or Safari web browser).
• An available AC power socket (100 – 240V, 50/60Hz)
1-4 Package Contents
If any of the following items are missing or damaged, please contact your local reseller for replacement.
• NP740N 11n Wireless Router
• Vertical Stand
• This printed Quick Start Guide
• CDROM containing User Guide (in PDF Format - PDF Reader software is included)
• 12VDC 1A Power Supply

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1-5 Familiarise yourself with your new wireless broadband router
LED Name Light Status Description
PWR ON Router is switched on and correctly powered
WLAN On Wireless network is switched on or WPS mode is on.
Off Wireless network is switched off
Flashing Wireless LAN activity (transferring data).
WAN
10/100M
On WAN port (Internet) is running at 100Mbps
Off WAN port (Internet) is running at 10Mbps
Flashing WAN activity (transferring data)
WAN
LNK/ACT
On WAN port is connected
Off WAN port is not connected
Flashing WAN activity (transferring data)
LAN
10/100M
On LAN port is running at 100Mbps
Off LAN port is running at 10Mbps
LAN
LNK/ACT
On LAN port is connected
Off LAN port is not connected
Flashing LAN activity (transferring data)

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Item Name Description
Antenna A to C Antenna A, B, and C
12VDC/Power Power connector, connects to A/C power adapter
Reset / WPS Reset the router to factory default settings (clear all settings) or start WPS function. Press this button
and hold for 20 seconds to clear all settings, and press this button for less than 20 seconds to start
WPS function.
1 - 4 Local Area Network (LAN) ports 1 to 4
WAN Wide Area Network (WAN / Internet) port
A B C

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CHAPTER II: SYSTEM AND NETWORK SETUP
2-1 Build network connection
Please follow the instructions below to setup your wireless router:
1. Connect your xDSL / cable modem to the WAN port of router by Ethernet cable.
ADSL or Cable Modem
Internet
ADSL or Cable Modem
Internet
Gaming Console
Switch/Router
Desktop Computer
ADSL or Cable Modem
Internet
Gaming Console
Switch/Router
Desktop Computer
Power Adapter
2. Connect all your computers, network devices (network-enabled consumer devices other than computers,
like game console, or switch / hub) to the LAN ports (1-4) of the router.
ADSL or Cable Modem
Internet
ADSL or Cable Modem
Internet
Gaming Console
Switch/Router
Desktop Computer
ADSL or Cable Modem
Internet
Gaming Console
Switch/Router
Desktop Computer
Power Adapter

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3. Connect the A/C power adapter to the wall socket, and then connect it to the ‘Power’ socket of the router.
ADSL or Cable Modem
Internet
ADSL or Cable Modem
Internet
Gaming Console
Switch/Router
Desktop Computer
ADSL or Cable Modem
Internet
Gaming Console
Switch/Router
Desktop Computer
Power Adapter
4. Please check all LEDs on the front panel. ‘PWR’ LED should be steadily on, WAN and LAN LEDs should
be on if the computer / network device connected to the respective port of the router is powered on and
correctly connected. If PWD LED is not on, or any LED you expected is not on, please recheck the cabling,
or jump to ‘4-2 Troubleshooting’ for possible reasons and solution.

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2-2 Connecting to wireless broadband router by web browser
After the network connection is built, the next step you should do is setup the router with proper network
parameters, so it can work properly in your network environment.
Before you can connect to the router and start configuration procedures, your computer must be able to get
an IP address automatically (use dynamic IP address). If it’s set to use static IP address, or you’re unsure,
please follow the following instructions to configure your computer to use dynamic IP address:
2-2-1 Windows 95/98/Me IP address setup:
1. Click ‘Start’ button (it should be located at lower-left corner of your computer), then click control panel.
Double-click Network icon, and Network window will appear. Select ‘TCP/IP’, then click ‘Properties’.
2. Select ‘Obtain an IP address from a DHCP server’, then click ‘OK’.

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2-2-2 Windows 2000 IP address setup:
1. Click ‘Start’ button (it should be located at lower-left corner of your computer), then click control panel.
Double-click Network and Dial-up Connections icon, double click Local Area Connection, and Local Area
Connection Properties window will appear. Select ‘Internet Protocol (TCP/IP)’, then click ‘Properties’
2. Select ‘Obtain an IP address automatically’ and ‘Obtain DNS server address automatically’, then click
‘OK’.

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2-2-3 Windows XP IP address setup:
1. Click ‘Start’ button (it should be located at lower-left corner of your screen), then click Control Panel.
Double-click Network and Internet Connections icon, click Network Connections, then double-click Local
Area Connection, Local Area Connection Status window will appear, and then click ‘Properties’
2. Select ‘Obtain an IP address automatically’ and ‘Obtain DNS server address automatically’, then click
‘OK’.

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2-2-4 Windows Vista IP address setup:
1. Click ‘Start’ button (it should be located at lower-left corner of your computer), then click control panel.
Click View Network Status and Tasks, then click Manage Network Connections. Right-click Local Area
Network, then select ‘Properties’. Local Area Connection Properties window will appear, select ‘Internet
Protocol Version 4 (TCP / IPv4), and then click ‘Properties’
2. Select ‘Obtain an IP address automatically’ and ‘Obtain DNS server address automatically’, then click
‘OK’.

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2-2-5 Router IP address lookup
After the IP address setup is complete, please click ‘start’ -> ‘run’ at the bottom-lower corner of your desktop:
Input ‘cmd’, then click ‘OK’
Input ‘ipconfig’, then press ‘Enter’ key. Please check the IP address followed by ‘Default Gateway’ (In this
example, the IP address of router is 192.168.1.1, please note that this value may be different.)
NOTE: If the IP address of Gateway is not displayed, or the address followed by ‘IP Address’ begins with ‘169’, please recheck network
connection between your computer and router, and / or go to the beginning of this chapter, to recheck every step of network setup
procedure.

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Connect the router’s management interface by web browser
After your computer has obtained an IP address from the router, please start your web browser, and input the
router IP address (default: 192.168.1.1) in the address bar. The following message should be shown:
Please input user name and password in the field respectively, default user name is ‘admin’, and default
password is ‘admin’, then press ‘OK’ button, and you can see the web management interface of this router:
NOTE: If you can’t see the web management interface, and you’re being prompted to input user name and password again, it means you
didn’t input username and password correctly. Please retype user name and password again. If you’re certain about the user name and
password you type are correct, please go to ‘4-2 Troubleshooting’ to perform a factory reset, to set the password back to default value.
TIP: This page shows the four major setting categories: QuickSetup, General Setup, Status, and Tools. You can find the shortcut which
leads to these setting categories at the upper-right corner of every page, and you can jump to another category directly by clicking the
link, and don’t have to go back to the first page.

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2-3 Using ‘Quick Setup’
This router provides a ‘Quick Setup’ procedure, which will help you to complete all required settings you need to
access the Internet in very short time. Please follow the following instructions to complete the ‘Quick Setup’:
Please go to QuickSetup menu by clicking ‘QuickSetup’ button.
And the following message will be displayed:
1. Set Time Zone
Here are descriptions of every setup items:
Set Time Zone:
Please press button, a drop-down list will be shown, and you can choose a time zone of the
location you live.
Time Server Address:
Input the IP address / host name of time server here
Daylight Savings:
If the country you live uses daylight saving, please check ‘Enable Function’ box, and choose the
duration of daylight saving.
After you finish with all settings, please click ‘Apply’ button.
NOTE: There are several time servers available on internet:
• 129.6.15.28 (time-a.nist.gov)
• 132.163.4.101 (time-a.timefreq.bldrdoc.gov)
• 131.107.1.10 (time-nw.nist.gov)
If you found that the time of router is incorrect, try another time server.

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2. Broadband Type
Please choose the broadband (Internet connection) type you’re using in this page. There are six types of
Internet connection, they are:
Cable Modem - Please go to section 2-3-1
Fixed-IP xDSL - Please go to section 2-3-2
PPPoE xDSL - Please go to section 2-3-3
PPTP xDSL - Please go to section 2-3-4
L2TP xDSL - Please go to section 2-3-5
Telstra Big Pond - Please go to section 2-3-6
If you’re not sure, please contact your Internet service provider. A wrong Internet connection type will cause
connection problem, and you will not be able to connect to internet.
If you want to go back to previous step, please press ‘Back’ button on the bottom of this page.
NOTE: Some service providers use ‘DHCP’ (Dynamic Host Configuration Protocol) to assign IP address to you. In this case, you can
choose ‘Cable Modem’ as Internet connection type, even you’re using another connection type, like xDSL. Also, some cable modem
uses PPPoE, so you can choose ‘PPPoE xDSL’ for such cable modem connection, even you’re using a cable modem.

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2-3-1 Setup procedure for ‘Cable Modem’:
Here are descriptions of every setup items:
Host Name:
Please input the host name of your computer, this is optional, and only required if your service provider
asks you to do so.
MAC address:
Please input MAC address of your computer here, if your service provider only permits computer with
certain MAC address to access internet. If you’re using the computer which used to connect to Internet
via cable modem, you can simply press ‘Clone Mac address’ button to fill the MAC address field with the
MAC address of your computer.
After you finish with all settings, please click ‘OK’ button; if you want to go back to previous menu, click
‘Back’.
2-3-2 Setup procedure for ‘Fixed-IP xDSL’:
Here are descriptions of every setup items:
IP address assigned by
your Service Provider:
Please input IP address assigned by your service provider.
Subnet Mask: Please input subnet mask assigned by your service provider
DNS address: Please input the IP address of DNS server provided by your service provider.
Service Provider Gateway
Address:
Please input the IP address of DNS server provided by your service provider.
You must use the addresses provided by your Internet service provider, wrong setting value will cause connection problem.
When you finish with all settings, press ‘OK’ ; if you want to go back to previous menu, click ‘Back’.
NOTE: You can choose this Internet connection method if your service provider assigns a fixed IP address (also know as static address)
to you, and not using DHCP or PPPoE protocol. Please contact your service provider for further information.

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2-3-3 Setup procedure for ‘PPPoE xDSL’:
Here are descriptions of every setup items:
User Name:
Please input user name assigned by your Internet service provider here.
Password:
Please input the password assigned by your Internet service provider here.
Service Name:
Please give a name to this Internet service, this is optional
MTU:
Please input the MTU value of your network connection here. If you don’t know, you can use default
value.
Connection Type:
Please select the connection type of Internet connection you wish to use (detailed explanation listed
below).
Idle Time Out:
Please input idle time out, (detailed explanation listed below).
When you finish with all settings, please click ‘OK’ ; if you want to go back to previous menu, click ‘Back’.
MTU - Please use default value if you don’t know what it is, or ask your service provider for a proper value.
Connection Type - There are 3 options: ‘Continuous’ - keep internet connection alive, do not disconnect, connect on Demand - only
connects to Internet when there’s a connect attempt, and ‘Manual’ - only connects to Internet when ‘Connect’ button on this page is
pressed, and disconnects when ‘Disconnect button is pressed.
Idle Time Out: Specify the time to shutdown internet connect after no internet activity is detected by minute. This option is only available
when connection type is ‘Connect on Demand’.