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Aironet Lan Adapter User's Manual & Technical Reference

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User's Guide and Technical

Reference Manual

Aironet WIreless LAN Adapter
Products supported:
PC4500 and PC4800
DOC-710-004239-B0
Aironet Wireless Communications, Inc. • 3875 Embassy Parkway
Akron, Ohio 44333-8357
www.aironet.com

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  • Page 1: Reference Manual

    User’s Guide and Technical Reference Manual Aironet WIreless LAN Adapter Products supported: PC4500 and PC4800 DOC-710-004239-B0 Aironet Wireless Communications, Inc. • 3875 Embassy Parkway Akron, Ohio 44333-8357 www.aironet.com...
  • Page 2 Aironet Wireless Communications, Inc. No part of this document may be reproduced or transmitted in any means, elec- tronic or mechanical, for any purpose, without the written permission of Aironet. Information in this document is subject to change without notice. Aironet makes no representation or warranties with respect to the contents of this manual and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose.

  • Page 3: Table Of Contents

    Antenna Connectors ... 2-3 Standard Antennas ... 2-4 Attaching the Antenna ... 2-5 Detaching the Antenna ... 2-6 Installing the Wireless LAN Adapter into the PC Card Slot ... 2-7 Section 3 Installing the 4000 Series Software ... 3-1 Driver Overview ... 3-1 Windows 95 NDIS3 Installation ...
  • Page 4 ODI Driver Installation ... 3-11 General Information... 3-12 Driver Keywords and Settings ... 3-14 Section 4 Utilities ... 4-1 Site Survey and Link Test ... 4-1 Link Test Command in WinDGS ... 4-5 Loading New Firmware Versions ... 4-8 Upgrading Firmware for Windows 95 ... 4-8 Loading Firmware for Windows 3.11 and DOS ..
  • Page 5 Edit Parameters ... B-5 System Parameters ... B-6 Network Parameters ... B-9 RF Network Parameters ... B-9 Advanced (Infrastructure) ... B-11 Advanced (Ad Hoc/IBSS) ... B-13 Appendix C Manufacturers Federal Communication Commission Declaration of Conformity Statement ...C-1 Department of Communications–Canada Canadian Compliance Statement...C-2 European Telecommunications Standards Institute Statement of Compliance...

  • Page 7: List Of Figures

    List of Figures Figure 1.1 - Ad Hoc Wireless LAN ... 1-11 Figure 1.2 - Wireless Infrastructure ... 1-12 Figure 1.3 - Wireless Infrastructure with Workstations Accessing a Wired LAN ... 1-13 Figure 1.4 - Extended Infrastructure Using Repeaters. 1-14 Figure 1.5 - Minimal Overlap Coverage Option...

  • Page 9: List Of Tables

    List of Tables Table 3.1 - Driver Disk Structure... 3-2 Table 3.2 - Minimum PROTOCOL.INI Driver Settings .. 3-8 Table 3.3 - Minimum AWCPKT.INI Driver Settings ... 3-10 Table 3.4 - Minimum NET.CFG Driver Settings ... 3-12 Table 3.5 - General Network Keywords ... 3-16 Table 3.6 - Advanced Network Keywords ...

  • Page 11: About The User's Guide And Technical Reference Manual

    Technical Reference Manual This guide covers the installation, configuration, control, and maintenance of your Aironet 4000 Series PC Card Wireless LAN Adapter. Please read Sections 2 and 3 before attempting to install or use the hardware and software described in this guide.
  • Page 12 Appendix C – Channels – provides channel identifiers and channel center frequencies for various area regulatory agencies. Appendix D – Declaration of Conformity – provides conformity information about the 4000 Series Wireless LAN Adapter. Appendix E – Technical Support – provides contact information for Aironet. viii...

  • Page 13: Typographical Conventions

    About the User’s Guide and Technical Reference Manual Typographical Conventions When reading the User’s Guide and Technical Reference Manual, it is important to understand the symbol and formatting conventions used in the documentation. The following symbols are used in the guide. Convention Indicates a note which contains important information.
  • Page 14 About the User’s Guide and Technical Reference Manual...

  • Page 15: Welcome To The Aironet 4000 Series Wireless Lan Adapter

    Section 1 Welcome to the Aironet 4000 Series Wireless LAN Adapter The Aironet 4000 Series Wireless LAN Adapter is a PC Card radio module that provides transparent wireless data communications between fixed, portable, or mobile devices and other wireless devices or a wired network infrastructure (Ethernet or Token Ring).

  • Page 16: Safety Information

    Welcome to the Aironet 4000 Series Wireless LAN Adapter Safety Information The FCC with its action in ET Docket 96-8 has adopted a safety standard for human exposure to radio frequency (RF) electromagnetic energy emitted by FCC certified equip- ment. The Aironet products meet the uncontrolled environ- mental limits found in OET-65 and ANSI C95.1, 1991.
  • Page 17 Welcome to the Aironet 4000 Series Wireless LAN Adapter Snap-On Antenna Always orient antenna such that it is at least 5 cm (2 inches) away from your body. Dipole Antenna Always orient antenna such that it is at least 15 cm (6 inches) away from your body.
  • Page 18 Welcome to the Aironet 4000 Series Wireless LAN Adapter Other Devices in the Wireless Network Refer to the User’s Guide and Technical Reference manual for the Access Point, Universal Client, or Bridge for additional information.

  • Page 19: Radio Characteristics

    If a particular frequency encounters a level of noise and/or interference, there is enough redundancy built into the sig- nal on other frequencies that the Aironet 4000 Series Wire- less LAN Adapter will usually still be successful in its transmission. Data Transparency and Protocols...

  • Page 20: Protocols Supported

    Welcome to the Aironet 4000 Series Wireless LAN Adapter Protocols Supported The Aironet 4000 Series Wireless LAN Adapter can be used in a variety of infrastructure configurations. Aironet Access Points (AP4500 and AP4800) provide connections to Ethernet or Token Ring Networks. When using the Airo-...
  • Page 21 Welcome to the Aironet 4000 Series Wireless LAN Adapter Here are some operating and environmental conditions that need to be considered: • Data Rates. Sensitivity and range are inversely propor- tional to data bit rates. The maximum radio range is achieved at the lowest workable data rate.

  • Page 22: Radio Antenna

    Welcome to the Aironet 4000 Series Wireless LAN Adapter Link Test The link test tool is used to determine RF coverage. The test results help the installer eliminate low RF signal level area that can result in loss of connection.

  • Page 23: Terminology

    Welcome to the Aironet 4000 Series Wireless LAN Adapter Terminology When configuring your system, and when reading this manual, keep in mind the following terminology: Association – Each root unit or repeater in the infrastructure contains an association table that controls the routing of packets between the Access Point and the wireless infrastructure.
  • Page 24 Welcome to the Aironet 4000 Series Wireless LAN Adapter Power Saving Protocol (PSP) and Non-Power Saving Protocol – The Power Saving Protocol allows computers (usually portable computers) to power up only part of the time to conserve energy. If a client node is using the Power...

  • Page 25: System Configurations

    Welcome to the Aironet 4000 Series Wireless LAN Adapter System Configurations The Aironet 4000 Series Wireless LAN Adapter can be used in a variety of network system configurations. Aironet Access Points (AP4500 or AP4800) provide connections to your Ethernet or Token Ring networks or act as repeaters increasing wireless communication range.
  • Page 26 Welcome to the Aironet 4000 Series Wireless LAN Adapter Figure 1.2 - Wireless Infrastructure Workstation In a wireless infrastructure, an Aironet Access Point is used as a stand-alone root unit. The root unit is not attached to any wired LAN (such as an Ethernet or Token Ring LAN), but functions as a hub linking all stations together.
  • Page 27 Welcome to the Aironet 4000 Series Wireless LAN Adapter Figure 1.3 - Wireless Infrastructure with Workstations Accessing a Wired LAN File Server Aironet Access Point (Root Unit) Workstation A Micro-Cellular Network can be created by placing two or more Aironet Access Points on a LAN.
  • Page 28 Welcome to the Aironet 4000 Series Wireless LAN Adapter Figure 1.4 - Extended Infrastructure Using Repeaters Aironet Access Point (Root Unit) Workstation An Aironet Access Point can be configured as a stand- alone repeater to extend the range of your infrastructure, or to overcome an RF blocking obstacle.

  • Page 29: Coverage Options

    Welcome to the Aironet 4000 Series Wireless LAN Adapter Coverage Options The system architecture options of the wireless station and Access Points provide for a variety of coverage alternatives and flexibility. The system can be designed to provide a wide coverage area with minimal overlap (Figure 1.5) or coverage with heavy overlap (Figure 1.6).
  • Page 30 Welcome to the Aironet 4000 Series Wireless LAN Adapter Figure 1.6 - Heavy Overlap Coverage Option Wired LAN By arranging the Access Points so the overlap in coverage area is nearly maximized, a large number of mobile stations can be supported in the same wireless infrastructure. How- ever, units in overlapping coverage areas on the same fre- quency will detect adjacent cell traffic and delay...
  • Page 31 Welcome to the Aironet 4000 Series Wireless LAN Adapter Figure 1.7 - Multiple Overlapping Systems Coverage Option Wired LAN 2 Wired LAN 1 Multiple systems can operate in the same vicinity. The architecture provides multiple channels, which can exist in the same area with virtually no interference to each other.
  • Page 32 Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-18...

  • Page 33: Installing The Hardware

    This section describes the procedures for installing the Wireless LAN Adapter. Here’s what you’ll find in this section: • Before You Start • Antenna Connectors • Standard Antennas • Attaching and Detaching the Antenna • Installing the Wireless LAN Adapter Installing the Hardware...

  • Page 34: Before You Start

    PC4500 or PC4800. After unpacking the PC Card, make sure the following items are present and in good condition: • PC4500 or PC4800 Wireless LAN Adapter • Standard Snap-On Antenna • Software Driver Diskette •...

  • Page 35: Antenna Connectors

    The two antenna connectors allow a Diversity Antenna or two separate antennas to be attached to the Aironet 4000 Series Wireless LAN Adapter. When two antennas are con- nected, the PC Card will automatically select antennas in order to provide the strongest signal for radio operations.

  • Page 36: Standard Antennas

    PC Card’s ability to detect and use the strongest signal. The Aironet 4000 Series Wireless LAN Adapter can also be used with a variety of optional external antennas. Consult the Aironet Antenna Guide (document number 710-003725) for antenna descriptions and configuration information.

  • Page 37: Attaching The Antenna

    Attaching the Snap-On Antenna NOTE: Wireless LAN Adapter Card comes with the antenna attached. If you need to change the antenna, the Adapter should be removed from the PC Card slot before removing or attaching an antenna.

  • Page 38: Detaching The Antenna

    Installing the Hardware Detaching the Antenna CAUTION: The Snap-On antenna should never be placed in contact with metal surfaces while in use. Detaching the Snap-On Antenna 1. Remove the PC Card from the PC Card slot. 2. Grasp the center of the antenna with the thumb and forefinger.

  • Page 39: Installing The Wireless Lan Adapter

    Installing the Wireless LAN Adapter Before you begin, examine the PC Card. One end is a dual row 68-pin PC Card connector. This side will be inserted into the PC Card slot with the Aironet logo on the PC Card and the Snap-On antenna facing up.
  • Page 40 Installing the Hardware...

  • Page 41: Installing The Software

    Section 3 Installing the Software The PC Card is supplied with PACKET, NDIS2, NDIS3 and ODI drivers allowing operation under DOS, Windows 3.x, Windows for Workgroups, Windows 95, Windows 98, Windows NT, and Novell Netware. The PC Card is fully IEEE 802.11 compliant.
  • Page 42 Installing the Software The driver disk shipped with the Wireless LAN Adapter is organized as follows: Table 3.1 - Driver Disk Structure README.TXT DIAG FLSH3545.COM 45C???.BIN NDIS2 AWC2N45C.DOS OEMSETUP.INF PROTOCOL.INI PROTOCOL.AHC AWCP45C.COM AWCPKT.INI AWCPKT.AHC Contains latest information about the disk...
  • Page 43 NDIS3 (PC4500) PC4500.INF PC4500.SYS PC4500.DLL VXD4500.VXD OEMSETUP.INF AWCO45C.COM NET.CFG NDIS3 (PC4800) PC4800.INF PC4800.SYS PC4800.DLL VXD4800.VXD OEMSETUP.INF AWCO45C.COM NET.CFG Installing the Software Directory containing NDIS3 driver files WIN95/98 install file NDIS3 driver NDIS3 library Virtual device driver for Aironet WinDGS utility WIN NT install file Directory containing ODI driver files PC4500 DOS based ODI driver...

  • Page 44: Windows 95 Ndis3 Installation

    5. Insert the driver disk provided with the adapter into the appropriate drive. 6. Type A:\NDIS3 at the prompt and press Enter. 7. Select the appropriate LAN Adapter and press Enter. 8. Select the appropriate Infrastructure Mode and enter the SSID of the wireless network.
  • Page 45 Installing the Software Choosing the adapter from the Network Icon and selecting Properties will allow the setting of additional parameters. See Driver Keywords and Settings for information on these settings.

  • Page 46: Windows Nt Ndis3 Installation

    Windows NT, verify PCMCIA card and socket services are enabled using Devices in the Control Panel. 1. Shutdown the Windows NT workstation. 2. Insert the Wireless LAN Adapter into one of the PC Card slots. 3. Power up the Windows NT workstation.
  • Page 47 Installing the Software 13. Select OK. 14. Select Close. 15. Add all other related network information if applicable (IP address, DHCP, DNS, GATEWAY). 16. Select Yes to restart the workstation.

  • Page 48: Windows For Workgroups Ndis2 Installation

    Installing the Software Windows for Workgroups NDIS2 Installation 1. Power on your computer and start Windows for Workgroups. 2. Go to the Network program group and click on Network Set-Up. 3. Under Network Setup, choose Networks... 4. Under Networks choose Install Microsoft Windows Network.

  • Page 49: Dos Ndis2 Installation

    DOS NDIS2 Installation The Aironet Wireless LAN Adapter can be installed in a NetBIOS compliant DOS environment such as MicroSoft LAN Manager or PC LAN. The installation of this driver includes creating or editing a configuration file (PROTOCOL.INI). It is required that this file contains the following lines: Table 3.2 - Minimum PROTOCOL.INI Driver Settings...
  • Page 50 Installing the Software 4. Modify the CONFIG.SYS file. After the line containing: Device=PROTMAN.DOS, add Device=[drive:] [path] AWC2N45C.DOS. 5. To modify the PC Card system parameters, edit the PROTOCOL.INI file in the network directory. For a list of parameters which can be modified, see Table 3.2. 6.

  • Page 51: Dos Packet Driver Installation

    “ON” SSID = “your_SSID_here” Additional variables defined in the following section may also be used. The Wireless LAN Adapter can be installed in a DOS environment using DOS IP stack products such as FTP software. 1. Power on your computer.
  • Page 52 Installing the Software 4. If you would like to modify the PC Card system parame- ters, edit the AWCPKT.INI file. For a list of parameters which can be modified, see Table 3.3. 5. Load the driver by typing AWCP45C [-cinuw] <int_number>...

  • Page 53: Odi Driver Installation

    ODI Driver Installation The PC Card can be installed in an ODI compliant DOS environment such as Novell NetWare. Table 3.4 - Minimum NET.CFG Driver Settings Link Driver AWCO45C If INFRASTRUCTURE is omitted the default will be “ON” SSID = “your_SSID_here” CHANNEL = <channel>...

  • Page 54: General Information

    Installing the Software General Information • AWCPKT.INI file must have a section header of [AWCPKT]. • PROTOCOL.INI file can have any section header, but the section must contain the keyword and parameter DRIVERNAME=ìAWC2N45C$î. • NET.CFG file must have a section header of [Link Driver AWCO45C].
  • Page 55 NOTE: PROTOCOL.INI does not support some of the white space characters in a quoted string. If a string begins with an alphabetic character and contains no special characters, the quotes may be omitted. • For Packet string parameters, the string can be enclosed with double quotes or single quotes.

  • Page 56: Driver Keywords And Settings

    Installing the Software Driver Keywords and Settings The default PC Card configuration is set to: • Constant Awake Mode • Infrastructure Mode – This allows association with any Aironet Access Point matching the SSID supplied by the user • The factory supplied network address •...
  • Page 57 The following tables contain keywords and parameter set- tings common to both the NDIS2 PROTOCOL.INI, ODI NET.CFG, and the PKT AWCPKT.INI configuration files. Basic system operation can be adjusted with the following parameters. Table 3.5 - General Network Keywords Keywords INFRASTRUCTURE ON, YES OFF, NO...
  • Page 58 Installing the Software Network performance can be optimized with the following variables. Table 3.6 - Advanced Network Keywords Keywords LONGRETRYLIMIT 0 – 255 SHORTRETRYLIMIT 0 – 255 RTSTHRESHOLD 0 – 2312 TXMSDULIFETIME 0 – 0xFFFF RXMSDULIFETIME 0 – 0xFFFF TXPOWERLEVEL 0 –...
  • Page 59 Additional system performance adjustments can be made with the following group of variables. Table 3.7 - Fragmentation Keywords Keywords FRAGTHRESHOLD 256 – 2312 (must be even) Installing the Software Value Description Optional – specifies the fragmenta- tion size in bytes. Frames longer than this value will be transmitted using multiple packets (default is 700).
  • Page 60 Installing the Software The Wireless LAN Adapter power management can be adjusted with the following group of variables. Table 3.8 - Power Management Keywords Keywords POWERSAVEMODE CAM, PSP, FASTPSP ATIMDURATION Between 0 and less than the beacon interval. SLEEPFORDTIM ON, OFF LISTENTIME 0 –...
  • Page 61 Table 3.8 - Power Management Keywords (Continued) Keywords FASTLISTENTIME 0 – 0xFFFF LISTENDECAY 0 – 0xFFFF FASTLISTENDELAY 0 – 0xFFFF Installing the Software Value Description Determines how often to awaken for beacons. Note that the PC Card will always awaken to receive DTIMs when in Fastpsp Mode (default is 100 K sec).
  • Page 62 Installing the Software Additional system performance adjustments can be made with the following group of variables. Table 3.9 - Scanning Keywords Keywords SCANMODE BEACONLISTENTO PROBEENERGYTO PROBERESPONSETO STATIONARY PROBEDELAY OFFSCANINTERVAL OFFSCANDURATION Value Description ACTIVE, Optional – parameter to determine PASSIVE, the current scanning mode to be ADVANCED used by the PC Card (default is ACTIVE).
  • Page 63 Additional system performance adjustments can be made with the following parameters. Table 3.10 - Infrastructure Keywords Keywords SSID BEACONLOSTTIME REFRESHINTERVAL SPECIFIEDAP SPECIFIEDAP2 SPECIFIEDAP3 SPECIFIEDAP4 Installing the Software Value 1 to 32 charac- This parameter must match the ter string SSID of the system for proper infra- structure operation.
  • Page 64 Installing the Software Table 3.10 - Infrastructure Keywords (Continued) Keywords SPECIFIEDAPTO AUTHTIMEOUT AUTHTYPE ASSOCIATIONTO Value 0 – 0xFFFF Optional – time in K sec to attempt to associate to a specified Access Point before searching for any avail- able Access Points (with matching SSID) (default is 10,000 K sec [10 sec]).
  • Page 65 Ad hoc system operation is accomplished with the following group of variables. Table 3.11 - Ad Hoc Keywords Keywords JOINNETTO BEACONPERIOD DSCHANNEL ATIMDURATION Installing the Software Value 0 – 0xFFFF Optional – determines the amount of time that an ad hoc station will scan before starting its own network (default is 10,000 K sec [10 sec]).
  • Page 66 The following is a list of keywords that will control the host system hardware resources the Aironet 4000 Series Wire- less LAN Adapter requires. NOTE: At a minimum, the PC Card requires 64 consecutive 16-bit I/O ports, one non-sharable Interrupt and one PC Card type II slot.
  • Page 67 Table 3.12 - PC Card Keywords Keywords PORTBASE 0 – 0xFFFF PORT 2-15 SOCKET MEMORY 0xC000 – 0xDF00 Installing the Software Value Description Optional – specifies the starting address for a block of 64 consecu- tive 16-bit I/O ports. Make sure the block of I/O addresses does not overlap the address of another device in the machine.
  • Page 68 Installing the Software 3-28...

  • Page 69: Utilities

    Section 4 Utilities This section describes procedures for using utilities and updating firmware depending on the operating system used. See Appendix B for detailed configuration procedures for WinDGS using Windows 95 or Windows 98. Here’s what you will find in this section: •...
  • Page 70 Utilities The link test tool helps determine the RF network coverage. The results of the link test will help eliminate low RF signal level areas that can result in loss of connection between the PC Card and the Aironet Access Point. It is important to remember the information being displayed is from the Aironet Access Point viewpoint.
  • Page 71 8. Start a telnet session on the mobile station to the Aironet Access Point. Depending on the system in use, the telnet application may have logging and note taking capability. If so, enable these modes. 9. Navigate through the Aironet Access Point menu to the link test option.
  • Page 72 Utilities Using Windows 95 or Windows 98 to Perform a Link Test You may use either: • Telnet • The link test or site survey commands in WinDGS • Linkscope...

  • Page 73: Link Test Command In Windgs

    Link Test Command in WinDGS WinDGS may be used to assess the performance of RF links. TCP/IP protocol must be installed to run this link test. See the Help section of Windows 95/98/NT for more infor- mation on installing and setting up TCP/IP. An IP address must also be configured for the Access Point.
  • Page 74 Utilities 2. Once the parameters have been entered, click on the Start button at the bottom of the dialog box to start the link test. When the link test is running, nec- essary statistics will be displayed and updated peri- odically.
  • Page 75 Utilities Signal strength is displayed along the vertical axis of the graphical display. Signal quality is displayed along the horizontal axis. The combined result is represented by a diagonal line. The Aironet Access Point associat- ing with the PC Card is indicated along the bottom of the display as well as its MAC address.

  • Page 76: Loading New Firmware Versions

    Utilities Loading New Firmware Versions The firmware is contained in the card’s flash memory. Flash memory allows for easy updating of the firmware as neces- sary. Upgrading Firmware for Windows 95 or Windows 98 The WinDGS program is used to load new firmware. To load new firmware: 1.

  • Page 77: Loading Firmware For Windows 3.11 And Dos

    Loading Firmware for Windows 3.11 and DOS The FLSH3545.COM program is used to load new firmware to systems operating under DOS and Windows 3.11. To load new firmware: 1. Before upgrading the firmware, uninstall the driver or reboot the computer and do not load the driver during the boot process.
  • Page 78 Utilities 4-10...

  • Page 79: Error Messages And Trouble Shooting

    Error Messages and Trouble Shooting Section 5 Error Messages and Trouble Shooting The Wireless LAN Adapter provides LED messages and error codes. This section provides the general procedures for correcting common problems encountered when installing the PC Card system. Indicator LEDs The PC Card has two indicator LEDs (green and amber) located on the face of the card.
  • Page 80 Error Messages and Trouble Shooting Table 5.1 – Green LED Operating Messages Green LED Flashing Quickly Flashing Slowly Table 5.2 – Amber LED Operating Messages Amber LED Flashing Flashing in a Pattern Condition No power or error Power on, self-test OK, scanning for network Associated with an infrastructure network Green LED Continuously on or...

  • Page 81: If Your Radio Fails To Establish Contact

    If Your Radio Fails to Establish Contact • Change your location or the location of the antenna by a few feet and try again. • Make sure the antenna is securely attached. • Make sure the PC Card is securely inserted in the PC Card slot.
  • Page 82 Error Messages and Trouble Shooting...

  • Page 83: Pc Card Specifications

    Appendix A PC Card Specifications LAN Drivers Supported Table A.1 – Supported Drivers Protocol NDIS 2 NDIS 3 Packet PC Card Specifications Operating System DOS based driver for Novell Netware MS DOS, Windows 3.xx Windows 95, Windows 98, Windows NT MS DOS, Windows 3.xx...

  • Page 84: Radio Specifications

    PC Card Specifications Radio Specifications Table A.2 – Radio Specifications Item Specification Radio Type Direct Sequence Operating 2400-2497 Frequency FCC ID LOZ102034 (4500) LOZ102035 (4800) Channeling 5 MHz increments Type of Modulation BPSK 1 Mbit/s (4500) QPSK 2 Mbit/s BPSK 1 Mbit/s (4800) QPSK 2 Mbit/s CCK 5.5 and 11 Mbits/s Power Output...

  • Page 85: Power Requirements

    Power Requirements Table A.3 – Power Requirements Specification Operational Voltage Receive Mode Current High Power Transmit Mode Current Sleep Mode Current Physical Specifications Table A.4 – Physical Characteristics Item Size Enclosure Weight Operating Temperature Storage Temperature Humidity, Shock, Drop, Vibration, Thermal Shock Connectors Status Indicators PC Card Specifications...

  • Page 86: Mechanical Description

    PC Card Specifications Mechanical Description Figure A.1 – Mechanical Outline RF CONN. (2) LED LOC'N (2) J1 and J2 provided for diversity antenna connections. If a special single-coax diversity antenna is required, use J1 exclusively. 3.370 2.126 .196...

  • Page 87: Using The Windgs Utility

    Appendix B Using the WinDGS Utility WinDGS is used to perform user level diagnostics on your Aironet Wireless LAN Adapter Card in the Windows 95 or Windows NT operating system environment. Commands Menu The Commands Menu includes: • Select Card •...

  • Page 88: Load New Firmware

    Commands Menu Load New Firmware See Section 4 – Utilities for more information on loading and upgrading firmware versions. Edit Properties WinDGS allows you to change the configuration parameters of your currently installed Aironet 4000 Series Wireless LAN Adapter. Depending on the preferences you have set, WinDGS can save the current properties to the registry.

  • Page 89: Linktest

    Commands Menu Link Test See Section 4 – Utilities for information on using link test. Site Survey See Section 4 – Utilities for information on using site survey. Radio Off/On Radio Off/On allows you to selectively turn off or on the power to the radio.

  • Page 90: Options Menu

    Commands Menu Options Menu The Options Menu includes: • Preferences • Screen Update Timer • Save Properties Options Preferences The WinDGS Preferences allow you to customize various parameters that control the operation of WinDGS. For example, you can set the rate at which the values are updated in the status and statistics screens via the Screen Update Timer.

  • Page 91: Save Properties Options

    Save Properties Options Use Save Properties Options to select the default opera- tions for saving the current adapter configuration. Choose either: • Save Properties to the Registry: This option allows you to save the configuration to the Windows Registry. The configuration will be restored the next time you reboot.

  • Page 92: System Parameters

    Edit Parameters System Parameters System parameters include: • Name • SSID • Network Type (Infrastructure or Ad Hoc) • Constant Awake Mode (CAM) • Power Save Mode • Fast Power Save Mode • Maximum Power Save Mode Name The station name is displayed in the table of connected devices on the Access Point.
  • Page 93 AC line, PSP should not be used. Power Save Mode causes the Access Point to buffer incoming mes- sages. The Aironet 4000 Series Wireless LAN Adapter must wake up periodically and poll the Access Point to see if there are any buffered messages waiting. The PC Card can request each message and then go back to sleep.
  • Page 94 Edit Parameters Maximum Power Save Mode Maximum Power Save Mode (Max PSP Mode) can only be used in conjunction with PS or Fast PSP Modes.This mode allows the Aironet 4000 Series Wireless LAN Adapter to conserve the most power while still main- taining an infrastructure connection.

  • Page 95: Network Parameters

    Network Parameters User modifiable parameters are limited to the choice of MAC Address: • Factory MAC Address: This is the default MAC address which is guaranteed to be unique. Unless you have a very good reason to define your own MAC address, it is STRONGLY RECOMMENDED that you use the factory MAC address.
  • Page 96 Edit Parameters • Data Retries: This parameter defines the number of times a packet will be re-sent if the initial transmission is unsuccessful. If the network protocol automatically re- tries itself, set this to a small value. A “bad” packet sta- tus will be sent up the protocol stack more quickly so the application can re-transmit the packet.

  • Page 97: Advanced (Infrastructure

    Antenna Mode Three options are available for the type of antenna you have connected to the Aironet 4000 Series Wireless LAN Adapter: • Antenna Diversity: This allows the PC Card to use the stronger signal from the two antenna ports.
  • Page 98 Edit Parameters • Left Antenna Only (J2): Choose this option if the antenna you are using is connected to the left hand antenna port and you are not using the standard Snap-On antenna. This tells the PC Card not to attempt to communicate using the right hand antenna port since no antenna is connected to it.

  • Page 99: Advanced (Ad Hoc/Ibss

    RTS Retry Limit This parameter controls the number of times the PC Card will re-send the RTS packet if it does not receive a CTS from the previously sent RTS packet. Setting this to a large value will decrease the available bandwidth whenever interference is encountered, but will make the system more immune to interference and collisions.
  • Page 100 Edit Parameters Beacon Period This parameter specifies the duration between beacon packets that are used by IEEE 802.11 systems to synchronize the “hops” (change to another frequency). The beacon packet contains timing information and hop pattern information that is broadcast over the airwaves. Any station that can hear the beacon packet can then synchronize their internal timer so that it can hop at the correct time.

  • Page 101: Manufacturers Federal Communication Commission Declaration Of Conformity Statement

    Appendix C Manufacturers Federal Communication Commission Declaration of Conformity Statement Models: PC4500, PC4800 Manufacturer: Aironet Wireless Communications, Inc. 3875 Embassy Parkway Akron, OH 44333-8357 330-664-7900 This device complies with Part 15 rules. Operation is subject to the following two conditions: 1) this device may not cause harmful interference, and 2) this device must accept any interference received, including interference that may cause undesired operation.

  • Page 102: Department Of Communications-Canada Canadian Compliance Statement

    Appendix C Department of Communications—Canada Canadian Compliance Statement This Class B Digital apparatus meets all the requirements of the Canadian Interference - Causing Equipment Regulations. Cet appareil numerique de la classe B respecte les exigences du Reglement sur le material broilleur du Canada. This device complies with RSS-210 of Industry of Canada.

  • Page 103: Institute Statement Of Compliance Information To User

    Appendix C European Telecommunication Standards Institute Statement of Compliance Information to User This equipment has been tested and found to comply with the European Telecommunications Standard ETS 300.328. This standard covers Wideband Data Transmission Systems referred in CEPT recommendation T/R 10.01. This type accepted equipment is designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

  • Page 104: Declaration Of Conformity

    Appendix C Declaration of Conformity Aironet Model Number: Radio CE Type Certificate Number: Radio Type Approval Examiniation Number: Application of Council Directive: Application of Council Directive: Standards which Conformity is Declared: Manufacturer: The undersigned hereby declares the above specified equipment conforms to the above Directives and standards.
  • Page 105 Declaration of Conformity Aironet Model Number: PC4800 Radio CE Type Certificate Number: Radio Type Approval Examiniation Number: Application of Council Directive: Application of Council Directive: Standards which Conformity is Declared: EN 55022 (B) EN 55011 (B) EN 50082-1 EN 60950 Manufacturer: Aironet Wireless Communication 3875 Embassy Parkway...
  • Page 106 Appendix C...

  • Page 107: Appendix D Technical Support

    Appendix D Technical Support Communications Use the following information to contact the Aironet Technical Support group: Telephone - (330) 664-7903 Fax - (330) 664-7990 e-mail - techsupp@aironet.com Web Site For additional product information and technical sup- port, including the capability to download new firmware drivers, use the Aironet web site at: http://www.aironet.com Appendix D...

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