NetComm NP5400 User's Manual
Contents
1. This will depend on whether or not the application is designed to be used over a network Consult the application s user guide to determine if it supports operation over a network Can I play multiplayer games with other users of the wireless network Yes as long as the game supports multiple players over a LAN local area network Refer to the game s user guide for more information What are Ad hoc and Infrastructure modes An Ad hoc wireless LAN is a group of computers each with a WLAN adapter connected as an independent wireless LAN An Ad hoc wireless LAN is applicable when no AP is available or you wish to run a private network not joined to the corporate network An integrated wireless and wired LAN is called an Infrastructure configuration Infrastructure is applicable to enterprise scale for wireless access to a wired network via an AP What is Roaming Roaming is the ability of a portable computer user to communicate continuously while moving freely throughout an area greater than that covered by a single Access Point Before using the roaming function the workstation must make sure that it is the same channel number as the Access Point of the dedicated coverage area To achieve true seamless connectivity the wireless LAN must incorporate a number of different functions Each node and Access Point for example must always acknowledge receipt of each message Each node must maintain contact with the wireless network even w2. AP Associated stations Wireless Firmware version AP version Current IP settingsIP address DHCP client Current Wireless SettingsPerformance Mode Wireless network name SSID WEP www netcomm com au Page 16 Displays current device name of the AP You also can change the name Displays the unique f MAC number burned into this AP that identifies itself from other Ethernet devices Displays the number of wireless client devices associated with this AP Displays the version number of wireless LAN firmware embedded in this AP Displays the version number of AP system firmware Displays the current IP address of this AP Displays if this AP enable DHCP client feature or not Displays the AP is set in Maximum interoperability mode or Maximum performance mode Displays current SSID of the AP Please make sure that your wireless LAN is working properly under the effective reach range of the AP Displays the WEP function is enabled or disabled Rev 1 YML668 NP5400 119 Wireless Access Point User Guide M The Assoc Tab The Assoc Tab displays all the wireless clients which are currently associated with this AP Mac address Displays the list of the MAC address of associated wireless client If you click the refresh button of your web browser then the list will be updated The Wireless Tab The Wireless Tab lets you select the network settings Performance Mode In Maximum interoperability
3. YML668 IEEE 802 11 11g and 802 11b standard compliant Single external antenna with reversed SMA connector 2 4 2 4835GHz Industrial Scientific Medical Band 11b Mode 11 Channels USA Canada 13 Channels Europe Australia 14 channels Japan 11g Mode 11 Channels USA Canada 13 Channels Europe Japan Australia CCK for 11b mode 1 2 5 5 11 Mbps OFDM for 11g mode 6 9 12 24 36 48 54Mbps 54Mbps 48 36 24 12 11 9 6 5 5 2 1 Mbps Auto Fall Back Infrastructure mode Ad hoc mode Provides both 64 bit amp 128 bit WEP Encryption 18 dBm 11M CCK 14 dBm 54M OFDM IEEE 802 11 Compliant Operating Temperature 0oC to 500C degree Storage Temperature 250C to 700C degree Humidity 10 to 90 non condensing www netcomm com au NP5400 11g Wireless Access Point User Guide Page 31 M Registering your NetComm Product To ensure that the conditions of your warranty are complied with please go to the NetComm web site for quick and easy registration of your product at www netcomm com au Alternatively you can complete the Warranty Registration Form on the following page and mail it to NetComm Limited PO Box 1200 Lane Cove NSW 2066 Trademarks and Notices NetComm is a trademark of NetComm Limited Windows is a registered trademark of Microsoft Corporation Other brand and product names are trademarks or registered trademarks of their respective holders Information is subject to change w
4. button Restart your computer when prompted TCP IP has now been successfully installed Rev 1 YML668 www netcomm com au NP5400 11g Wireless Access Point User Guide Page 11 M TCP IP Setup for Windows 2000 1 At the Windows 2000 desktop right click My Network Places and select Properties Then right click Local Area Connection Choose Properties If the TCP IP Protocol is listed for your network adapter go to step five Otherwise click the Install button When the Component Type window appears select Protocol and click the Add button Select Internet Protocol TCP IP from the list and click the OK button When the Local Area Connection Properties window reappears select TCP IP and click the Properties button Select Use the following IP Address Enter an IP Address for the computer along with a Subnet Mask and Default Gateway Then click the OK button If you do not have these values consult your network administrator When the Local Area Connection Properties window reappears click the OK button TCP IP has now been successfully installed TCP IP Setup for Windows XP 1 Click the Start button and open the Control Panel 2 Double click the Network and Internet Connections icon 3 Double click the Network Connections icon 4 Right click the Local Area Connection icon and select Properties 5 If the TCP IP Protocol is listed for your network adapter go to step five Otherwise click the In
5. is finished The LAN port has a successful physical link Sending or receiving data No connection and neither data forwarding from LAN ports Wireless port is connected with another wireless device s successfully Wireless port is not connected to any device Sending or Receiving data via wireless www netcomm com au NP5400 11g Wireless Access Point User Guide Page 7 MMA Chapter 4 Connecting the Wireless AP Before continuing please ensure you have the following package contents ready for the hardware installation Package Contents One Wireless Access Point One External Antenna with Reversed SMA Connector One UTP straight LAN Cable RJ 45 connector One Power Adapter One CD ROM Wireless Navigator utility software amp user s manual included One User Guide Hardware Installation Following illustration is an example showing how to install AP with hub switch www netcomm com au Page 8 NP5400 11g Wireless Access Point User Guide 1 Connect the UTP straight cable supplied to the LAN port of the Access Point at 2 Connect the other end of the UTP straight cable to the hub switch 3 Connect the power supply to the DC connector on the Access Point wi Rev 1 YML668 M 1 Find an optimum location for the Access Point The best place for the Access Point is usually at the center of your wireless network with line of sight to all of your mobile stations Placing th
6. mode the AP will accept connections to both 802 11b and 802 11g client devices In Maximum performance mode the AP will only connect to 802 11g client devices for better performance Wireless Network Name SSID Lets you set the Service Set Identification Default SSID is wireless This should be changed to some thing non descriptive Channel Enables you to select a transmission channel This setting only works in infrastructure mode Transmission Rate Select transfer rate from an available list Note Click button Save to store the settings The settings will work after AP automatically reboots Rev 1 YML668 www netcomm com au NP5400 11g Wireless Access Point User Guide Page 17 M The Access Tab The Access Tab allows you to set the filter to specific wireless client device s Enable access control If it is checked the AP will start to filter any wireless client device with MAC address listed below MAC address Please enter the MAC address of the wireless devices which need filtered in wireless LAN network The device with same MAC address listed will not be able to associate with this AP Note Click button Save to store the settings The settings will work after AP automatically reboots The Advanced Tab The Advanced Tab allows you to configure advanced 802 11 settings Preamble type Enables to select different preamble types Long Short or Auto While Short type is selected the performan
7. which numerous signals of different frequencies are combined to form a single signal for transmission on the medium OFDM works by breaking one high speed data stream into a number of lower speed data streams which are then transmitted in parallel Each lower speed stream is used to modulate a subcarrier Essentially this creates a multi carrier transmission by dividing a wide frequency band or channel into a number of narrower frequency bands or sub channels OFDM is also used for other applications including powerline networking Plug and Play The ability of a computer system to configure expansion boards and other devices automatically without requiring the user to turn off the system during installation Roaming In an infrastructure mode wireless network this refers to the ability to move out of one access point s range and into another and transparently reassociate and reauthenticate to the new access point This reassociation and reauthentication should occur without user intervention and ideally without interruption to network connectivity A typical scenario would be a location with multiple access points where users can physically relocate from one area to another and easily maintain connectivity SSID Service Set Identifier An identification name that wireless devices use to make connections In order for wireless devices to communicate they must all be set to the same channel and they all must use the same SSID For instanc
8. G returns to being always on and green LAN Cable Selection Switch X Crossover the RJ 45 port Tx and Rx lines are reversed Use this setting when you use the supplied UTP straight cable connected to PC II Straight the RJ 45 port Tx and Rx lines are normal Use this setting when you have the supplied UTP straight cable connected to Hub Switch or Router It is also the factory default setting Power Input Only use the power adapter supplied with the Access Point LAN Connection Important Resetting the Access Point will erase all of your settings WEP Encryption Wireless and LAN settings etc and replace them with the factory defaults Do not reset the Access Point if you want to retain these settings www netcomm com au Rev 1 YML668 Page 6 NP5400 11g Wireless Access Point User Guide The Front Panel LED Color Status Power Green ON OFF DIAG Green ON Blinking OFF LAN Green ON Blinking OFF WLAN Green ON OFF Blinking Rev 1 YML668 M Description The AP power on The AP power off 1 The AP is in normal operation mode 2 While in firmware upgrade process it indicates the AP is writing the firmware into Flash ROM 1 The AP is in self diagnostic mode 2 While in firmware upgrade process it indicates the AP is waiting the Wireless Navigator sending firmware image 1 The AP starts to boot up the system 2 While in firmware upgrade process it indicates the firmware upgrade process
9. address must be assigned to each machine Without DHCP the IP address must be entered manually at each computer and if computers move to another location in another part of the network a new IP address must be entered DHCP lets a network administrator supervise and distribute IP addresses from a central point and automatically sends a new IP address when a computer is plugged into a different place in the network DHCP uses the concept of a lease or amount of time that a given IP address will be valid for a computer Rev 1 YML668 NP5400 11g Wireless Access Point User Guide DSSS Dynamic IP Address ESS Firmware Rev 1 YML668 Met The lease time can vary depending on how long a user is likely to require the Internet connection at a particular location It s especially useful in education and other environments where users change frequently Using very short leases DHCP can dynamically reconfigure networks in which there are more computers than there are available IP addresses DHCP supports static addresses for computers containing Web servers that need a permanent IP address DNS The domain name system DNS is the way that Internet domain name are located and translated into Internet Protocol IP addresses A domain name is a meaningful and easy to remember handle for an Internet address Direct Sequence Spread Spectrum DSSS generates a redundant bit pattern for all transmitted data This bit patter
10. availability and reliability of wireless connections BM Roaming Provides seamless roaming within 802 11g and 802 11b wireless LAN infrastructure LAN Features BM Built in 10 100M LAN Port It s designed to connect the AP with any 10 100M LAN Hub Switch or router E DHCP Client Enable the AP to act as a DHCP client to receive IP address from DHCP Server in the wired Ethernet LAN Configuration amp Management E Easy to Setup With windows based Wireless Navigator Utility user can easily setup the IP address of this AP and upgrade the firmware E Easy to manage User can use any WEB browser from anywhere on the wired or wireless LAN to configure the AP easily Security BM Configuring Protection Provides password protection to prevent unauthorized users from changing the configuration BM Wireless LAN Security Provide 64 bit amp 128 bit Wired Equivalent Privacy encryption to protect the wireless data transmissions Rev 1 YML668 www netcomm com au NP5400 11g Wireless Access Point User Guide Page 3 M Chapter 2 Planning Your Wireless Network Network Topology A wireless LAN is a group of computers each eguipped with one Instant Wireless Series adapter Computers in a wireless LAN must be configured to share the same radio channel The Instant Wireless Series adapters provide access to a wired LAN for wireless workstations An integrated wireless and wired LAN is called an infrastructure configurati
11. cations over a network developed specifically for the Internet TCP IP defines a suite or group of protocols and not only TCP and IP User Datagram Protocol A method protocol used along with the IP Internet Protocol to send data in the form of message units datagram between network devices over a LAN or WAN While IP takes care of handling the actual delivery of the data routing UDP takes care of keeping track of the individual units of data called packets that a message is divided into for efficient delivery over the network UDP is known as a connection less protocol due to NOT requiring the receiver of a packet to return an acknowledgment of receipt to the sender of the packet as opposed to TCP Wired Equivalent Privacy A data privacy mechanism based on a 64 bit shared key algorithm as described in the IEEE 802 11b standard Configuration utility based on the Win32 API for querying defining and managing IP addresses within a network A commonly used utility under Windows 95 98SE and Me Wireless Local Area Network A group of computers and associated devices that communicate with each other wirelessly Rev 1 YML668 NP5400 119 Wireless Access Point User Guide Met Appendix C Specifications Standards Antenna Frequency Range Operating Channels Modulation Technology Data Transmission Rate Access Mode Data Security Output Power Roaming Operating Environment Rev 1
12. ce may be improved with the possibility of incompatibility Max associated stations Enables to set the limit of the maximum number of associated clients In order to get a better performance it is suggested to set 8 as the maximum number of associated clients to get a balanced performance Fragmentation threshold The threshold which a data packet will be fragmented RTS threshold The threshold which a RTS packet will be sent before a data packet is sent Beacon period The period in millisecond a beacon will be sent DTIM interval Number of beacon intervals between successive DTIM Delivery Traffic Identification Maps Note Click button Save to store the settings The settings will work after AP automatically reboots www netcomm com au Rev 1 YML668 Page 18 NP5400 11g Wireless Access Point User Guide The Security Tab Met The Security Tab displays 802 11b g security and encryption options on this AP WEP configuration Enable WEP WEP key length WEP key Default WEP key to use Deny unencrypted data Authentication Firmware upgrading Allow upgrade uploads Display the Wired Equivalent Privacy security configurations Enables the Wired Equivalent Privacy security function Selects 64 bit or 128 bit WEP encryption Be sure that the key length setting in the AP shall be the same as in wireless clients or the communication will not work For 64 bit WEP encryption a key of 10 hexadecima
13. ches AP via wired LAN or Wireless LAN 4 The utility will show the AP and any other wireless devices found in the same network Note If the AP is not shown in the list please make sure all the cables are well connected 5 Double click on the AP device to access the built in web server The User Name and Password screen will be displayed The default setting is no user name and the password is admin Click OK to continue Note If you cannot access into AP s built in web server please make sure if your PC now is in the same subnet with AP Please us right click of mouse to click on the AP listed in Wireless Navigator Set IP address option will pop out and then change IP address of AP to the same subnet as your PC 6 Now you have entered the built in web server of this AP you can begin configuration procedures www netcomm com au Rev 1 YML668 Page 14 NP5400 119 Wireless Access Point User Guide Configuring the Access Point M The Wireless Navigator includes nine tabs to help you customise your Access Point settings to fit your Network the Info tab the Assoc tab the Wireless tab the Access tab the Advanced tab the Security tab the IP Address tab the Admin tab the Help tab Rev 1 YML668 NP5400 11g Wireless Access Point User Guide www netcomm com au Page 15 M The Info Tab The Info Tab displays the current AP settings Access Point Information Access point name MAC address of
14. d premises is your responsibility and 5 NetComm does not have any liability or responsibility under this warranty where any cost loss injury or damage of any kind whether direct indirect consequential incidental or otherwise arises out of events beyond NetComm s reasonable control This includes but is not limited to acts of God war riot embargoes acts of civil or military authorities fire floods electricity outages lightning power surges or shortages of materials or labour 6 The customer is responsible for the security of their computer and network at all times Security features may be disabled within the factory default settings NetComm recommends that you enable these features to enhance your security The warranty is automatically voided if 1 You or someone else use the product or attempts to use it other than as specified by NetComm 2 The fault or defect in your product is the result of a voltage surge subjected to the product either by the way of power supply or communication line whether caused by thunderstorm activity or any other cause s 3 The fault is the result of accidental damage or damage in transit including but not limited to liquid spillage 4 Your product has been used for any purposes other than that for which it is sold or in any way other than in strict accordance with the user manual supplied 5 Your product has been repaired or modified or attempted to be repaired or modified other
15. e if you are using an access point to connect two computers using wireless devices the access point and each of the wireless devices must use the same SSID Even if they are set to the same channel they cannot communicate unless the SSID is the same Static IP Address A permanent IP address that is assigned to a node in a TCP IP network Rev 1 YML668 www netcomm com au NP5400 11g Wireless Access Point User Guide Page 29 Y Subnet Mask TCP TCPAP WINIPCFG www netcomm com au Page 30 The method used for splitting IP networks into a series of subgroups or subnets The mask is a binary pattern that is matched up with the IP address to turn part of the host ID address field into a field for subnets Transmission Control Protocol A method protocol used along with the IP Internet Protocol to send data in the form of message units datagram between network devices over a LAN or WAN While IP takes care of handling the actual delivery of the data routing TCP takes care of keeping track of the individual units of data called packets that a message is divided into for efficient delivery over the network TCP is known as a connection oriented protocol due to requiring the receiver of a packet to return an acknowledgment of receipt to the sender of the packet resulting in transmission control Transmission Control Protocol Internet Protocol The basic communication language or set of protocols for communi
16. e unit in the celing is ideal 2 Fix the direction of the antenna Try to place it in a position which can best cover your wireless network Normally the higher you place the antenna the better the performance will be The antenna s position enhances the receiving sensitivity 3 Connect a standard Ethernet network cable to the Access Point Then connect the other end of the Ethernet cable to a switch or hub The Access Point will then be connected to your wired Network 4 Connect the AC Power Adapter to the Access Point s Power port and plug the other end into an electrical outlet Only use the power adapter supplied with the Access Point Use of a different adapter may result in product damage Now that the hardware installation is complete proceed to Chapter 5 Setting Up the 11g Wireless Access Point for directions on how to set up the Access Point Note In order for all other wireless devices to communicate with the Access Point those devices must be operating in Infrastructure Mode If any wireless devices are configured in Ad Hoc Mode they will not be recognized by the Access Point es Broadband Router Modem or f 100BASE TX or _ Server Printer PC 10BASE T hub switch n i u A A gt Pc f Wireless LAN PC Wireless LAN PC Wireless LAN Pocket PC Rev 1 YML668 www netcomm com au NP5400 11g Wireless Access Point User Guide Page 9 M Chapter 5 Setting Up the Wireless Access Point Connecting the AP to y
17. epiIngs esp 7 SSL AN S Point 4Mbpg Acces lg Li e tyr Wirej M INIOd SSADOV SSITIYIM SIGNS 9LL JUlOg SS8DDV SS9J9J1AA OOVSdN M Contents Chapter i lntroducton eee 3 The NetComm 11G 54Mbps Wireless Access Point 3 Chapter 2 Planning Your Wireless Network 4 Network Topology sss AAI aL 4 to Eg e EEE EE e ve 4 How to Make Your WirelessNetworkMoreSecure 5 Chapter 3 Your NetComm 11G Wireless AP 6 The Back Paneli 2111 seri akay aslam e Biel ee eta 6 The Front EE EE MA NM EE 7 Chapter 4 Connecting the Wireless AP A m m 8 Package Contents MMMAmA e e e gt gt Zm mm memm m 8 Hardware Installation 8 Chapter 5 Setting Up the Wireless Access Point 10 ConnectingtiheAPtoyourNetwork 10 SetingUpTCP APinWindws 10 Installing the Wireless Navigator 13 Startup and Login secede tc rakama allel techies il ya amda le dis 14 Configuring the Access Point 15 Firmware Upgrade Procedure 22 Appendix A Troubleshooting 23 Frequently Asked QUESTIONS 23 Appendix B Glossary MAMAMAe m m m gt Z gt Z gt Z m mm m m 26 AppendixC Specifications a raeed 31 Register
18. equested or in the e mail address you re sending a note to At the other end the recipient can see the IP address of the Web page requester or the e mail sender and can respond by sending another message using the IP address it received A utility that provides for querying defining and managing IP addresses within a network A commonly used utility under Windows NT and 2000 for configuring networks with static IP addresses An ISP Internet service provider is a company that provides individuals and companies access to the Internet and other related services such as Web site building and virtual hosting A local area network LAN is a group of computers and associated devices that share a common communications line and typically share the resources of a single processor or server within a small geographic area for example within an office building The MAC Media Access Control address is your computer s unique hardware number Rev 1 YML668 NP5400 119 Wireless Access Point User Guide holani mIRC mIRC runs under Windows and provides a graphical interface for logging onto IRC servers and listing joining and leaving channels Network Mask also known as the Subnet Mask OFDM Developed for wireless applications Orthogonal Frequency Division Multiplexing OFDM technology offers superior performance increased data rates and more reliable transmissions than previous technologies such as DSSS OFDM is a scheme in
19. er location click the Browse button and select an alternate destination Click the Next button when you are ready to continue The setup program will then begin to install the programs into the destination folder 5 The screen will show you the Program Folder that the utility will use You may type a new folder name to create a new program folder or select one from the existing folder list and click Next button to continue 6 The Wireless Navigator has been installed now Please click the Finish button to complete installation Note To remove Wireless Navigator Utility click the Start button and select Programs Wireless Navigator and Uninstall and then follow the instruction on screen Rev 1 YML668 www netcomm com au NP5400 11g Wireless Access Point User Guide Page 13 M Startup and Login Follow the procedures below to startup Wireless Navigator and find the AP Before you start the following procedure please connect the Ethernet cable connect the power cord and then turn on the AP All wireless clients should be requested to set the their SSIDs to the same as the AP SSID in advance before continuing 1 Refer to previous section Install the Wireless Navigator to your PC in order to startup the configuration 2 Click Start and select Programs Wireless Navigator and then Wireless Navigator Or just double click the Wireless Navigator icon on your desktop screen 3 The Wireless Navigator starts up and sear
20. et Mask Click the OK button If you do not have these values consult your network administrator When the Network window reappears click the OK button Restart your machine TCP IP has now been successfully installed TCP IP Setup for Windows NT4 0 l Click the Start button select Settings and open the Control Panel Inside the Control Panel double click the Network icon When the Network window appears click the Protocols tab Then click the Add button Find the TCP IP protocol in the Select Network Protocol field Click it once and then click the OK button When asked if you want to use DHCP choose No If asked to supply your Windows NT CD do so NT will copy the necessary files to your system You may have to switch between the Access Point s Setup CD and the NT CD When TCP IP appears in the Network Protocols window click the Bindings tab Windows will store your new bindings Click the Protocols tab Then select TCP IP Click the Properties button Select the type of network adapter you have from the Adapters box and select Specify an IP Address Enter the computer s IP Address and Subnet Mask Check with your network administrator for your settings 10 Enter your Default Gateway if you have one Note a Default Gateway is not required Check with your network administrator 11 When you finish click the OK button If NT asks about WINS ignore it 12 When the Network window reappears click the Close
21. gateway you want to assign for the AP The default value is 192 168 1 1 With the name the AP can be found easily via Wireless Nevigator Utility It can be the nickname assigned by the adminstrator Note Click button Save to store the settings The settings will work after AP automatically reboots www netcomm com au Page 20 Rev 1 YML668 NP5400 119 Wireless Access Point User Guide M The Admin Tab The Admin Tab allows to change the device s system configurations Access point name With this unque name the AP can be found easily via Wireless Nevigator Utility It can be the nickname assigned by the adminstrator User name This is the name used for login into the AP s built Web User Interface Administrator password Please key the same password in both columns then click Save to validate the new password Commands Reboot access point When any setting was changed the AP MUST be reboot so that the change can be confirmed Reset to factory defaults This option will ERASE all the current settings and return back to the factory defaults Note Click button Save to store the settings The settings will work after AP automatically reboots The Help Tab The Help Tab displays the explanations of each setting shown in above seven tabs Please click those hyperlinks in right side and then it will direct you the meaning of each setting Rev 1 YML668 www netcomm com au NP5400 11g Wireless Acce
22. hen not actually transmitting data Achieving these functions simultaneously requires a dynamic RF networking technology that links Access Points and nodes In such a system the user s end node undertakes a search for the best possible access to the system First it evaluates such factors as signal strength and quality as well as the message load currently being carried by each Access Point and the distance of each Access Point to the wired backbone Based on that information the node next selects the right Access Point and registers its address Communications between end node and host computer can then be transmitted up and down the backbone As the user moves on the end node s RF transmitter regularly checks the system to determine whether it is in touch with the original Access Point or whether it should seek a new one When a node no longer receives acknowledgment from its original Access Point it undertakes a new search Upon finding a new Access Point it then re registers and the communication process continues Rev 1 YML668 www netcomm com au NP5400 11g Wireless Access Point User Guide Page 23 holani What is BSS ID A specific Ad hoc LAN is called a Basic Service Set BSS Computers in a BSS must be configured with the same BSS ID What is ESSID An Infrastructure configuration could also support roaming capability for mobile workers More than one BSS can be configured as an Extended Service Set ESS Users within a
23. ide Page 35 Standards IEEE 802 11 11g and 802 11b standard compliant Antenna Single external antenna with reversed SMA connector Frequency Range 2 4 2 4835GHz Industrial Scientific Medical Band Operating Channels 11b Mode 11 Channels USA Canada 13 Channels Europe Australia 14 channels Japan 11g Mode 11 Channels USA Canada 13 Channels Europe Japan Australia Modulation Technology CCK for 11b mode 1 2 5 5 11Mbps OFDM for 11g mode 6 9 12 24 36 48 54Mbps Data Transmission Rate 54Mbps 48 36 24 12 11 9 6 5 5 2 1 Mbps Auto Fall Back Access Mode Infrastructure mode Ad hoc mode Data Security Provides both 64 bit amp 128 bit WEP Encryption Output Power 18dBm 11MCCK 14dBm 54M OFDM Roaming IEEE 802 11 Compliant Operating Environment Operating Temperature 00C to 500C degree Storage Temperature 250C to 700C degree Humidity 10 to 90 non condensing LSM GLITWN OD VITUHL SITE
24. ing your NetComm Produdt A m gt gt gt m 32 TrademarkssandNoltices enem 32 Warranty RegistrattonFom m m 33 Product Warraniy mz aaa inn sallama sami aksa E EEE E eek 35 Limitations of Waranty 12 1111041 mala das ise sa dee ama i eve 35 www netcomm com au Rev 1 YML668 Page 2 NP5400 11g Wireless Access Point User Guide Met Chapter 1 Introduction The NetComm 11G 54Mbps Wireless Access Point Congratulations on your purchase of the Netcomm 11G 54Mbps Wireless Access Point AP This product is designed specifically for high speed wireless LAN environment needs It is easy to configure and operate even for non technical users Instructions for installing and configuring this product are included in this manual Before you install and use this product please read the manual carefully so you may take full advantage of its functions E 11g Draft Standards Compliant The AP complies with IEEE802 11g standard and it is interoperable with IEEE802 11g Compliant Equipment E Interoperable with IEEE802 11b Backward compatible with IEEE802 11b equipment E Flexible Connectivity Using external detachable dipole antenna allows connection of optional Directional Antenna M Data Rate Auto Fall Back Provides 54 48 36 24 12 11 9 6 5 5 2 and 1Mbps wireless data rate shifting dynamically between 11g and 11b to guarantee
25. is known to both transmitter and receiver Properly synchronized the net effect is to maintain a single logical channel To an unintended receiver FHSS appears to be short duration impulse noise Direct Sequence Spread Spectrum DSSS generates a redundant bit pattern for each bit to be transmitted This bit pattern is called a chip or chipping code The longer the chip the greater the probability that the original data can be recovered Even if one or more bits in the chip are damaged during transmission statistical techniques embedded in the radio can recover the original data without the need for retransmission To an unintended receiver DSSS appears as low power wideband noise and is rejected ignored by most narrowband receivers Would the information be intercepted while transmitting on air WLAN features two fold protection in security On the hardware side as with Direct Sequence Spread Spectrum technology it has the inherent security feature of scrambling On the software side the WLAN series offers the encryption function WEP to enhance security and access control Users can set it up depending upon their needs www netcomm com au Rev 1 YML668 Page 24 NP5400 11g Wireless Access Point User Guide dodani What is WEP WEP is Wired Equivalent Privacy a data privacy mechanism based on a shared key algorithm as described in the IEEE 802 11 standard What isa MACAddress The Media Access Control MAC address is a
26. ithout notice All rights reserved Please note that the images used in this document may vary slightly from those of the actual product Specifications are accurate at the time of the preparation of this document but are subject to change without notice www netcomm com au Rev 1 YML668 Page 32 NP5400 11g Wireless Access Point User Guide Cut along AL ae eee Q ox Warranty Registration Form Date of Purchase Name Company Address The following information is vital for your warranty Please make sure it s correct and complete Serial No Model Product Type i Make sure PC Card External you fill this Internal Other section in intend to use this modem at Home School College University Business Government Office Dealer s Name Dealer s Address Post Code Fax No _ How did you find out about our products dodan Product Warranty The warranty is granted on the following conditions 1 This warranty extends to the original purchaser you and is not transferable 2 This warranty shall not apply to software programs batteries power supplies cables or other accessories supplied in or with the product 3 The customer complies with all of the terms of any relevant agreement with NetComm and any other reasonable requirements of NetComm including producing such evidence of purchase as NetComm may require 4 The cost of transporting product to and from NetComm s nominate
27. l characters in length must be filled in For 128 bit WEP encryption a key of 26 hexadecimal characters in length must be filled in Be sure that the key values in the AP shall be the same as in wireless clients or the communication will not work Selects one of four key sets to be used for encryption To connect to a Wi Fi compliant wireless device key 1 must be selected Check this box then any unencrypted data frames will be denied Selects the mechanism of Open Shared key or both authentication algorithms To control firmware upgrade If the box is checked then users can use utility or any TFTP program to upgrade the firmware Note Click button Save to store the settings The settings will work after AP automatically reboots Rev 1 YML668 www netcomm com au NP5400 11g Wireless Access Point User Guide Page 19 M The IP Address Tab The IP Address Tab displays IP settings options on this AP IP Address Mode Default IP Address Default subnet mask Default gateway Access point name Select Static or DHCP mode For Static mode the IP address settings are given by user For DHCP mode these settings will be overridden by a DHCP server on your network The default setting is Static The static IP address you want to assign to the AP The default value is 192 168 1 100 The subnet mask you want to assign for the AP The default value is 255 255 255 0 The internet
28. n ESS could roam freely between BSSs while maintaining a continuous connection to the wireless network stations and Access Points What is ISM band The FCC and their counterparts outside of the U S have set aside bandwidth for unlicensed use in the ISM Industrial Scientific and Medical band Spectrum in the vicinity of 2 4 GHz in particular is being made available worldwide This presents a truly revolutionary opportunity to place convenient high speed wireless capabilities in the hands of users around the globe What is Spread Spectrum Spread Spectrum technology is a wideband radio frequency technique developed by the military for use in reliable secure mission critical communications systems It is designed to trade off bandwidth efficiency for reliability integrity and security In other words more bandwidth is consumed than in the case of narrowband transmission but the trade off produces a signal that is in effect louder and thus easier to detect provided that the receiver knows the parameters of the spread spectrum signal being broadcast If a receiver is not tuned to the right frequency a spread spectrum signal looks like background noise There are two main alternatives Direct Sequence Spread Spectrum DSSS and Frequency Hopping Spread Spectrum FHSS What is DSSS What is FHSS And what are their differences Frequency Hopping Spread Spectrum FHSS uses a narrowband carrier that changes frequency in a pattern that
29. n is called a chip or chipping code Even if one or more bits in the chip are damaged during transmission statistical techniques embedded in the receiver can recover the original data without the need for retransmission To an unintended receiver DSSS appears as low power wideband noise and is rejected ignored by most narrowband receivers However to an intended receiver i e another wireless LAN endpoint the DSSS signal is recognized as the only valid signal and interference is inherently rejected ignored An IP address that is automatically assigned to a client station in a TCP IP network typically by a DHCP server Network devices that serve multiple users such as servers and printers are usually assigned static IP addresses Extended Service Set A set of more than two or more BSSs multiple access points forming a single network Code that is written onto read only memory ROM or programmable read only memory PROM Once firmware has been written onto the ROM or PROM it is retained even when the device is turned off The Institute of Electrical and Electronics Engineers The IEEE describes itself as the world s largest technical professional society promoting the development and application of electrotechnology and allied sciences for the benefit of humanity the advancement of the profession and the wellbeing of our members The IEEE fosters the development of standards that often become national and internatio
30. nal standards The organization publishes a number of journals has many local chapters and several large www netcomm com au NP5400 11g Wireless Access Point User Guide Page 27 M Infrastructure Network IP Address IPCONFIG ISP MACAddress www netcomm com au Page 28 societies in special areas such as the IEEE Computer Society An infrastructure network is a group of computers or other devices each with a wireless adapter connected as an 802 11 wireless LAN In infrastructure mode the wireless devices communicate with each other and to a wired network by first going through an access point An infrastructure wireless network connected to a wired network is referred to as a Basic Service Set BSS A set of two or more BSS ina single network is referred to as an Extended Service Set ESS Infrastructure mode is useful at a corporation scale or when it is necessary to connect the wired and wireless networks In the most widely installed level of the Internet Protocol IP today an IP address is a 32 binary digit number that identifies each sender or receiver of information that is sent in packet across the Internet When you request an HTML page or send e mail the Internet Protocol part of TCP IP includes your IP address in the message actually in each of the packets if more than one is required and sends it to the IP address that is obtained by looking up the domain name in the Uniform Resource Locator you r
31. nnels 52 56 60 and 64 than on the lower channels Lastly check the Advanced tab of the Web Based Utility and make sure that FULL is selected in the Transmission Rate field Does the Access Point function as a firewall No The Access Point is only a bridge from wired Ethernet to wireless clients I have excellent signal strength but I cannot see my network WEP is probably enabled on the Access Point but not on your wireless adapter or vice versa Verify that the same WEP Keys and levels 64 or 128 are being used on all nodes on your wireless network Also we suggest you check for MAC filtering What is the maximum number of users the Access Point facilitates No more than 65 but this depends on the volume of data and may be less if many users create a large amount of network traffic How many channels frequencies are available with the Access Point Using 802 11b or 802 11g there are eleven available channels ranging from 1 to 11 Rev 1 YML668 www netcomm com au NP5400 11g Wireless Access Point User Guide Page 25 MWM Appendix B Glossary 802 11b 802 11g Ad hoc Network CTS Clear To Send Default Gateway DHCP www netcomm com au Page 26 One of the IEEE standards for wireless networking hardware Products that adhere to a specific IEEE standard will work with each other even if they are manufactured by different companies The 802 11b standard specifies a maximum data transfer rate of 11Mbps an o
32. on A group of Instant Wireless Series adapter users and an Instant Wireless 11g Wireless Access Point compose a Basic Service Set BSS Each Instant Wireless Series adapter PC ina BSS can talk to any computer in a wired LAN infrastructure via the 11g Wireless Access Point An infrastructure configuration extends the accessibility of an Instant Wireless Series adapter PC to a wired LAN and doubles the effective wireless transmission range for two Instant Wireless Series adapter PCs Since the 11g Wireless Access Point is able to forward data within its BSS the effective transmission range in an infrastructure LAN is doubled Roaming Infrastructure mode also supports roaming capabilities for mobile users More than one BSS can be configured as an Extended Service Set ESS This continuous network allows users to roam freely within an ESS All PCs equipped with an Instant Wireless Series adapter within one ESS must be configured with the same ESS ID and use the same radio channel Before enabling an ESS with roaming capability choosing a feasible radio channel and optimum 11g Wireless Access Point position is recommended Proper Access Point positioning combined with a clear radio signal will greatly enhance performance www netcomm com au Rev 1 YML668 Page 4 NP5400 11g Wireless Access Point User Guide Met How to Make Your Wireless Network More Secure Wireless networks can be vulnerable to an outsider gaining access if the encry
33. our Network For optimal performance usually the center of your wireless network is the best place for your AP with line of sight to all of your mobile stations Try to place it in a position where can best cover your wireless network and is away from any potential source of interference And normally the higher you place the AP the better the wireless signal coverage will be The following picture describes how to use the AP when communicating between wireless LAN and wired LAN Setting Up TCP IP in Windows Before a computer can communicate with the Access Point it must be configured with the TCP IP protocol If you know how to set up TCP IP on your computers do so now Otherwise use the guidelines below to help get TCP IP installed on all of the computers that need to communicate with the Access Point If you are unable to successfully install TCP IP on one or more computers after following the directions contact the manufacturer of your computers network operating system for further assistance Check with your network administrator for your TCP IP settings The directions below provide general guidelines for coming up with IP addresses and subnet masks Check with your network administrator to see if you need to use specific IP addresses or DHCP settings First each computer on the network will require an IP address which is a series of numbers separated by periods identifying the PC on the network To make things simple you sho
34. ows a stronger signal will be radiated outside your home making it easier for those outside the building to locate your network E Check the range of your network Take a notebook or a PDA computer that is equipped with a wireless network PC Card and go outside your home to survey what range you get when moving around your property or neighbourhood You may be surprised how far the signal radiates If you can connect beyond the perimeter of your property so can someone else E Disable the Beacon If possible disabling the beacon will make it harder for hackers to locate and identify your network E Use acombination of the previous suggestions Rev 1 YML668 www netcomm com au NP5400 11g Wireless Access Point User Guide Page 5 MM Chapter 3 Your NetComm 11G Wireless AP The Back Panel Antenna Connection INIT Button Selection Switch LAN Cable Power Input Antenna Connection Please install the external dipole antenna directly into the reversed SMA connector of AP After the AP starts to work you may adjust the angle of the antenna or reposition the AP to get a better performance and reach INIT Button INIT means Initiation While pressing the button the AP will reboot and ERASE all current settings and restore to factory default settings The left indicator DIAG on the AP will at first be off and then begin blinking The initiation procedure will be completed when the indicator DIA
35. perating frequency of 2 4GHz and WEP encryption for security 802 11b networks are also referred to as Wi Fi networks Refers to the proposed of the IEEE 802 11 standard for wireless networking The 802 11 specifications used by NetComm specifies a maximum data transfer rate of 54Mbps using OFDM modulation an operating frequency of 2 4GHz backward compatibility with IEEE 802 11b devices and WEP encryption for security An ad hoc network is a group of computers each with a wireless adapter connected as an independent 802 11 wireless LAN Ad hoc wireless computers operate on a peer to peer basis communicating directly with each other without the use of an access point Ad hoc mode is also referred to as an Independent Basic Service Set IBSS or as peer to peer mode and is useful at a departmental scale or SOHO operation An RS 232 signal sent from the receiving station to the transmitting station that indicates it is ready to accept data The router used to forward all traffic that is not addressed to a station within the local subnet Dynamic Host Configuration Protocol A protocol that lets network administrators manage centrally and automate the assignment of Internet Protocol IP addresses in an organization s network Using the Internet s set of protocol TCP IP each machine that can connect to the Internet needs a unique IP address When an organization sets up its computer users with a connection to the Internet an IP
36. ption settings are not set adequately Some of the default security settings on some wireless hardware and in Microsoft Windows may allow access to your wireless network from other wireless devices The concepts that are presented here are offered only as a guide and may help make your wireless network more difficult for an outsider to gain access For more specific information about the implementation of these suggestions you should consult a trusted security source M Enable Wired Equivalent Privacy WEP encryption The 802 11 standard which your NetComm WLAN device is based on permits Wired Equivalent Privacy WEP encryption Depending on what other hardware you use there are two levels of WEP typically available 64 bit encryption based on a 40 bit encryption key and 128 bit encryption based on a 104 bit key We strongly recommend that you enable WEP MB Change the default Service Set Identifier SSID and passwords for your network devices Do not change the SSID or password to reflect your name address or anything that would be easy to guess as this could make it easy for an outsider to gain access to your wireless network M Install Access Points away from windows or building perimeter If you are installing access points think about locating them towards the centre of your site instead of near the windows Plan your coverage to radiate out to the windows but not beyond If the access points are located near the wind
37. ss Point User Guide Page 21 M Firmware Upgrade Procedure 1 Click Start and select Programs Wireless Navigator and then Wireless Navigator Or just double click the Wireless Navigator icon on your desktop screen 2 The Wireless Navigator starts up 3 The computer starts searching for the Access Point and shows in the list Choose the AP that you would like to upgrade the firmware and use the right click of the mouse to enter the Upgrade FW option 4 The download will begin Key in the new firmware file name and location or click browsing to find the file in your computer 5 After entering the file information click OK to continue 6 The downloading begins 7 After download finished the AP will reset automatically and the left indicator DIAG on AP will be off and then begin flashing When the indicator DIAG is always green instead of blinking the firmware upgrade is completed and successfully www netcomm com au Rev 1 YML668 Page 22 NP5400 11g Wireless Access Point User Guide M Appendix A Troubleshooting This section provides solutions to problems usually encountered during the installation and operation of the Access Point Frequently Asked Questions Can the Access Point act as my DHCP Server No The Access Point is nothing more than a wireless hub and as such cannot be configured to handle DHCP capabilities Can I run an application from a remote computer over the wireless network
38. stall button 6 When the Component Type window appears select Protocol and click the Add button 7 Select Internet Protocol TCP IP from the list and click the OK button 8 When the Local Area Connection Properties window reappears select TCP IP and click the Properties button 9 Select Use the following IP Address 10 Enter an IP Address for the computer along with a Subnet Mask and Default Gateway Then click the OK button If you do not have these values consult your network administrator 11 When the Local Area Connection Properties window reappears click the OK button TCP IP has now been successfully installed www netcomm com au Rev 1 YML668 Page 12 NP5400 11g Wireless Access Point User Guide MM Installing the Wireless Navigator The Wireless Navigator Utility is provided to allow user s easily to configure the AP through any Windows based PC over wired or wireless LAN port This section describes procedures for installing the Wireless Navigator Utility to PC 1 Insert the installation CD ROM into the CD ROM drive Run SETUP EXE program on the CD ROM 2 After the InstallShield Wizard preparation has completed finished the Install Shield window will be shown Click the Next button to continue 3 Key in your User Name and Company Name and click Next button to continue 4 The screen will show you the default destination chosen by the utility If you wish to install the Wireless Navigator in anoth
39. than by a qualified person at a service centre authorised by NetComm and 6 The serial number has been defaced or altered in any way or if the serial number plate has been removed Limitations of Warranty The Trade Practices Act 1974 and corresponding State and Territory Fair Trading Acts or legalisation of another Government the relevant acts in certain circumstances imply mandatory conditions and warranties which cannot be excluded This warranty is in addition to and not in replacement for such conditions and warranties To the extent permitted by the Relevant Acts in relation to your product and any other materials provided with the product the Goods the liability of NetComm under the Relevant Acts is limited to at the option of NetComm to Replacement of the Goods or Repair of the Goods or Payment of the cost of replacing the Goods or Payment of the cost of having the Goods repaired All NetComm ACN 002 490 486 products have a standard 12 months warranty from date of purchase However some products have an extended warranty option refer to packaging To be eligible for the extended warranty you must supply the requested warranty information to NetComm within 30 days of the original purchase by registering on line via the NetComm web site at www netcomm com au NetComm reserves the right to request proof of purchase upon any warranty claim Rev 1 YML668 www netcomm com au NP5400 11g Wireless Access Point User Gu
40. uld use the following numbering scheme 192 168 1 X In this example X is a unique arbitrarily assigned number from 1 to 254 Each computer must have its own unique X number Note Never use 0 250 or 255 for X These numbers are reserved by TCP IP for other uses Each computer will also require a subnet mask which is a numerical filter that tells a computer what kinds of TCP IP data packets to accept If you re not sure which mask to use the following mask is recommended 255 255 255 0 The following instructions are provided as examples for reference only For complete instructions on installing and troubleshooting TCP IP please consult your Windows operating system documentation www netcomm com au Rev 1 YML668 Page 10 NP5400 11g Wireless Access Point User Guide MWM TCP IP Setup for Windows 98 and Millennium 1 Click the Start button select Settings and open the Control Panel Inside the Control Panel double click the Network icon If the TCP IP Protocol is listed for your network adapter go to step five Otherwise click the Add button When the Component Type window appears select Protocol and click the Add button Select Microsoft in the Manufacturers list and choose TCP IP in the Network Protocols list Then click the OK button When the Network window reappears click TCP IP Then click the Properties button Select Specify an IP Address Enter an IP Address for the computer along with a Subn
41. unique number assigned by the manufacturer to any Ethernet networking device such as a network adapter that allows the network to identify it at the hardware level For all practical purposes this number is usually permanent Unlike IP addresses which can change every time a computer logs on to the network the MAC address of a device stays the same making it a valuable identifier for the network How do I avoid interference Using multiple Access Points on the same channel and in close proximity to one another will generate interference When employing multiple Access Points be sure to operate each one on a different channel frequency How do I reset the Access Point Press the Reset button on the back of the Access Point for about ten seconds This will reset the unit to its default settings How do I resolve issues with signal loss There is no way to know the exact range of your wireless network without testing Every obstacle placed between an Access Point and wireless PC will create signal loss Leaded glass metal concrete floors water and walls will inhibit the signal and reduce range Start with your Access Point and your wireless PC in the same room and move it away in small increments to determine the maximum range in your environment You may also try using different channels as this may eliminate interference affecting only one channel Also due to FCC regulations more power may be transmitted using 802 1 1a on cha
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