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LG LW1100AP Series User Manual

Wireless lan access point
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Wireless LAN Access Point
User's Guide
LW1100AP Series
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Summary of Contents for LG LW1100AP Series

  • Page 1 Wireless LAN Access Point User’s Guide LW1100AP Series Page 1 of 50...

  • Page 2: Table Of Contents

    Ethernet Cable Connection …………………………………16 Connect The Power Pack …………………………………..17 Connect Serial Cable ………………………………………..18 Open Terminal Program …………………………………….19 Configuration Change ……………………………………….21 2.3 Verifying the Operation of the LG Access Point ………. Chapter 3 Access Point Management ……………………….……..30 3.1 Starting a Configuration Tool………………………………………31 Access Point Connection.
  • Page 3 Appendix Appendix A Cell Planning (Radio Range) ……………………………..46 Appendix B Technical Specification ……………………………………48 Appendix C Channel Allocation ……………………………..………….50 Page 3 of 50...
  • Page 4 You can determine whether your equipment is causing interference by turning it off. If the interference stops, the LG equipment or one of its peripheral devices probably caused it. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures: •...
  • Page 5 DAMAGES. LG LW1100AP, LG logo are registered trademarks of LG Electronics Inc. or its affiliates in the Korea, U.S. and certain other countries. All other trademarks mentioned in this document are the property of their r espective owners. The use of the word partner does not imply a partnership relationship between LG and any of its resellers.

  • Page 6: Chapter 1 Introduction To The Wireless Lan

    Chapter 1 Introduction To The Wireless LAN A wireless LAN (WLAN) is a flexible data communication system implemented as an extension to, or as an alternative for, a wired LAN within a building or campus. Using electromagnetic waves, WLANs transmit and receive data over the air, minimizing the need for wired connections.
  • Page 7 is usually mounted high but may be mounted essentially anywhere that is practical as long as the desired radio coverage is obtained. End users access the WLAN through wireless LAN adapters, which are implemented as PC cards in notebook computers, or use PCI adapters in desktop computers. WLAN adapters provide an interface between the client network operating system (NOS) and the airwaves (via an antenna).
  • Page 8 for the wireless network, aggregating access for multiple wireless stations onto the wired network. Wireless end stations can be 802.11 PC Card, PCI. ¦ Wireless LAN Network Configuration The 802.11 standard define two modes: infrastructure mode and ad hoc mode (or independent or peer-to-peer).
  • Page 9 Since most corporate WLANs require access to the wired LAN for services (file servers, printers, Inter-net links) they will operate in infrastructure mode. Distribution System (DS) Ethernet (802.3) Access Point (AP) Service Set (SS) – Multiple Figure 2. Infrastructure Mode ¦...
  • Page 10 in order to assess whether a different access point would provide it with better performance characteristics. If it determines that this is the case, it reassociates with the new access point, tuning to the radio channel to which that access point is set. Reassociation usually occurs because the wireless station has physically moved away from the original access point, causing the signal to weaken.
  • Page 11 ¦ BSS, ESS and SS ID The basic service set (BSS) is the basic building block of WLAN network. Minimum WLAN BSS may be consist of only two stations. Using access point (AP) and network distribution systems (DS), WLAN service set can be extended arbitrary size – extended service set (ESS).
  • Page 12 Backbone Network AP #`1 SS ID AP #`2 SS ID = LG = LG ROAMING Re-Configuration Required AP #`3 SSID =LWAP Backbone Network Figure 4. SSID and Roaming Page 12 of 50...

  • Page 13: Chapter 2 Setup Goldstream Access Point

    Setup LG Access Point 2.1 Before You Begin Installation The LG LW1100AP Series Access Point is a wireless LAN transceiver that can act as the center point of a stand-alone wireless LAN network or as the connection point between wireless and wired networks. In multiple installations, the roaming functionality provided by multiple Access Points allows wireless users to move freely throughout the facility while maintaining seamless, uninterrupted access to the network.
  • Page 14 — The Access Point power supply — The LG LW1100AP Series Installation CD If any of these items are missing from the package, contact your Access Point supplier. You will also need: — A computer that is connected to the same network as the Access Point —...

  • Page 15: Installing The Lg Lw1100Ap Series Access Point

    2.2 Installing The LG LW1100AP Series Access Point Follow the instructions below to install the Access Point. STEP 1 Adjust the antennas For maximum range, make sure the antennas on your Access Point straight up or straight down, no matter where your Access Point is mounted.

  • Page 16: Ethernet Cable Connection

    STEP 2 Ethernet Cable Connection Connect the Ethernet cable from your wired LAN to your Access Point. Make sure the unit is not powered up when you connect your network cable. Page 16 of 50...

  • Page 17: Connect The Power Pack

    “Top Panel Indicator Descriptions” in this manual. Caution If you have already installed LG LW1100 series client card, you can easily configure Access Point through air connection between your computer and Access Point. You may skip next step and go to Access Point Management section.

  • Page 18: Connect Serial Cable

    STEP 4 Connect Serial Cable If you have a DHCP server, the server automatically assigns an IP address to the Access Point when you connect it to your network. To use the Access Point’s management system, you need to find out the assigned IP address. If you have access to the DHCP server, you can look on the server to find the IP address assigned to the Access Point.

  • Page 19: Open Terminal Program

    Open the HyperTerminal program on the workstation attached to the Access Point. These instructions describe HyperTerminal for example, but you can use any terminal- emulation program to communicate with the Access Point. This window appears: Type a name for the connection and click OK. The Connect To window appears: Choose the port on your computer to which the serial cable is connected.
  • Page 20 If the Access Point has no problem, you can find prompt on the terminal program’s display box: Type disconfig and press Enter to see current default settings of Access Point. Make a note of the SSID, Channel number and IP address. LG Access Point has a default IP; 100.100.100.100 Page 20 of 50...

  • Page 21: Configuration Change

    The other options that are displayed can be ignored in this chapter and there will be detail explanation next Access Point Management section STEP 5 Configuration Change Type setconfig and press Enter to change current default configuration settings. Using this command, you can change Access Point’s SSID, Channel number, IP address, MAC address and WEP key enable/disable .
  • Page 22 RETURN The SSID value is case sensitive and can enter up to 32 characters without banks. RETURN Available channel numbers varies from country. Refer to the Appendix Channel chapter. In addition to this, it there is Access Points that have already installed in the neighborhood of your Access Point, take a cautious attitude in selecting channel number.
  • Page 23 RETURN If you use LG LW1100AP as a normal Access Point, select ‘1’. Otherwise, you use it as a point-to-point transmission device you should select ‘2’ or ‘3’. About this usage, detail explanation will be followed next chapter. RETURN If you know what IP address should be set to your Access Point then write it in this step.
  • Page 24 WEP stands for Wired Equivalent Privacy. WEP is an encryption scheme that provides the secure wireless data communications to the users. WEP uses a 64bit-key or 128bit- key to control the network access. In order to do secure communication over the wireless LAN network, enable WEP function.
  • Page 25 safe wireless LAN network access. But if you enable WEP function, it will degrade transmission throughput because it take some time to encryption/decryption. These options are provided for wireless LAN expert only, so if you does not have deep information about wireless LAN air interface specifications, do not change default options.
  • Page 26 If you press y then LG Access Point setup configuration will be complete and the setup program will update changed configuration in the memory. Caution During updating configuration data, there can be display flash memory write error message. In this case, call for help LG Access Point distributor.
  • Page 27 Page 27 of 50...

  • Page 28: Verifying The Operation Of The Lg Access Point

    2.3 Verifying the Operation of the LG Access Point The AP runs a series of self-tests on power-up and reports status using its LEDs. When power-up begins, the following occurs: a. The firmware begins running diagnostics, initializes minimal hardware. b. After the firmware completes its diagnostics and hardware initialization. The diagnostics then checks the RF module to see whether it is properly runs in the AP.
  • Page 29 LED Name Operational State On (Green) = power is okay Orange = AP Functional Fail Occur WLAN ON (Green) = Air link status okay Blink = Air link or RF module has some problems. 10/100M Blink = Ethernet interface okay and the AP transfers data.

  • Page 30: Chapter 3 Access Point Management

    • The computer is connected to the Access Point’s wired or wireless LAN. To install the LG Access Point Manager, insert the LG Access Point setup CD in the PC and run SETUP (this can be done from the Windows Explorer). Follow the Setup instructions.

  • Page 31: Starting A Configuration Tool

    To modify Access Point parameters after installing the Access Point, you need to use a device connected to the console port or the LG Access Point Manager. The former was explained in the above chapter. The following sections describe how to configure the Access Point using Access Point Manager tool.

  • Page 32: Access Point Connection

    All the Access Points of LG Electronics Inc. have the same default IP address; 211.189.201.251. If you install the Access Point for the first time, you should type LG Access Point’s default IP on the above IP address input dialog box and then press CONNECT button.

  • Page 33: Access Point Configuration Window

    Access Point Manager program’s configuration tab window. • Type: LG’s Access Point has multiple functions; Wireless LAN Access Point, Wireless LAN Bridge for point-to-point transmission. So, this dialog box displays current function mode.
  • Page 34 DHCP is enabled, this field will only provide the IP address if no DHCP server responds with an IP address for the Access Point. LG’s Access Point has a default IP address - 100.100.100.100 . It is highly recommended that you change the IP address from the default only if you do not use DHCP server.
  • Page 35 provides the secure wireless data communications to the users. WEP uses a 64bit-key or 128bit-key to control the network access. In order to do secure communication over the wireless LAN network, enable WEP function. Use this setting to choose whether clients must use data encryption when communicating with this Access Point.
  • Page 36 • Link Quality: When the Access Point functions as a wireless LAN bridge, it shows link quality between Master Bridge and Slave Bridge • Signal Strength: When the Access Point functions as a wireless LAN bridge, it shows signal strength between Master Bridge and Slave Bridge •...

  • Page 37: Terminal Window For Diagnosis

    Terminal Window for Diagnosis The Diagnosis Tab provides the same function as terminal emulator programs, just like HyperTerminal program explained above section. And you can do same things as you use terminal program. Refer above Open Terminal Program section. Page 37 of 50...

  • Page 38: Firmware Upgrade Window

    Firmware Upgrade Window Use this page to simultaneously update the Access Point’s system firmware via your local disk or Internet. After making firmwa re updates on this page, the Access Point will automatically be rebooted to activate the new firmware. Before you update Access Point’s firmware, you could check current Access Point’s firmware version through the F/W Upgrade window.

  • Page 39: Firmware Upgrade Via Internet

    If you have defined URL address, press Start button so that the firmware can be transferred to your local disk (Program File Ò LG Electronics Ò AP Manager). During the firmware down load, if there is an error or file transfer failed then an error message will be displayed.
  • Page 40 If the firmware download processes finished successfully, download completed message is displayed and then Access Point Manager program tries to make a new connection with the Access Point. Meanwhile, the Access Point that have received new firmware version go on self restarts process. Firmware Upgrade Via Local Disk In order to upgrade Access Point firmware via local disk, click the Local Disk button.

  • Page 41: Firmware Upgrade Via Local Disk

    order to use this option, you should have latest firmware version in your local disk already. After you click Browse button, select the firmware that you want to update. In this time, you should take special attention in opening file so that not to open wrong file or firmware version.

  • Page 42: Access Point Detail Control

    Access Point Detail Control These windows is provided for wireless LAN expert only, so if you does not have deep information about wireless LAN air interface specifications, do not change default options. More detail information about how to change detail configuration will be explained in Access Point Management section.

  • Page 43: Setting Bridge Mode

    Other items will be explained later vision of this document. 3.2 Setting Bridge Mode You can connect two separate LANs over a wireless link by configuring two LG Access Points to communicate with each other. This is called a LAN-to-LAN connection.
  • Page 44 • Data Link layer relay The AP operates at t h e Data Link layer of the Open System Interconnection (OSI) model. Operation at this layer makes the AP transparent to the protocols that use the LAN connectivity service. This protocol transparency is a key factor in the extended LAN service.

  • Page 45: Chapter 4 Troubleshooting

    Chapter 4 Troubleshooting T.B.D. Page 45 of 50...
  • Page 46 Appendix Appendix A Cell Planning (Radio Range) This section provides general guidelines on factors that influence network performance Cell Site Survey Because of differences in component configuration, placement and physical environment, every network application is a unique installation. Before installing the system, users should perform a site survey to determine the optimum utilization of networking components and to maximize range, coverage and network performance.
  • Page 47 Seamless roaming is supported as a mobile station moves in and out of range of each LG Access Point, thereby maintaining a constant connection to the wired LAN. Each device in the radio network must be configured with the same Service Set Identifier (SSID) to provide the roaming capability.
  • Page 48 Appendix B Technical Specifications Functional Specification Item Function Configuration and setup . Local monitor . Access Point Manager Modes . Access Point . Wireless LAN Bridge Status Display Power, Air Link Status, Wire Link status Software Upgradeable Via Access Point Manager or local monitor Security WEP 64 bit standard, upgradeable to 128 bit Approval...
  • Page 49 Electrical/Radio Specifications Item Specification Description Compliance IEEE802.11b Direct Sequence Radio Type Spread-Spectrum 2.4 GHz ISM Band (DSSS) North American, ETSI, and Japan Operating Frequency 2400-2483.5 MHz channel coverage, factory configurable Depending on data rate Accurate values must be calculated for Range and environment.
  • Page 50 Appendix C Channel Allocation The channel identifiers and the channel center frequencies of each 22-MHz-wide channel are shown in the table below, as appropriate for the various areas or regulatory agencies. Regulatory Domains Channel Center North ETSI / Identifier Frequency Spain France Japan...

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