Manuale d’uso / di manutenzione del prodotto Lan Adapter del fabbricante Beacon Computer
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Aironet Wireless Communications, Inc. • 3875 Embassy Parkway Akron, Ohio 44333-8357 www.aironet.com User’ s Guide and T echnical Reference Man ual Air onet WIreless LAN Adapter Products suppor ted.
Aironet Wireless Communications, Inc. No par t of this document ma y be reproduced or transmitted in any means , elec- tronic or mechanical, for an y pur pose , without the written per mission of Aironet. Information in this document is subject to change without notice.
i T able of Contents About the User’s Guide and Technical Reference Manual ....................................... vii Typographical Conventions ................................... ix Section 1 Welcome to the Aironet 4000 Series Wireless LAN Adapter .
ii ODI Driver Installation ...................................... 3-11 General Information.......................................... 3-12 Driver Keywords and Settings .......................... 3-14 Section 4 Utilities ................................
iii Edit Parameters ......................................................... B-5 System Parameters ............................................ B-6 Network Parameters ........................................... B-9 RF Network Parameters .............
iv.
iv 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 ............
v.
v List of T ables 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 .
vi.
About the User’s Guide and Technical Reference Manual vii About the User’ s Guide and T echnical Ref erence Manual This guide cov ers the installation, configuration, control, and maintenance of your Aironet 4000 Series PC Card Wireless LAN Adapter .
About the User’s Guide and Technical Reference Manual viii Appendix A – Specifications – provides radio and ph ysical specifications. Appendix B – Using the WinDGS Utility – provides detailed descriptions on using the WinDGS utility .
About the User’s Guide and Technical Reference Manual ix T ypographical Con ventions When reading the User’ s Guide and T echnical Reference Manual, it is impor tant to understand the symbol and f or matting con ventions used in the documentation.
About the User’s Guide and Technical Reference Manual x.
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-1 Section 1 W elcome to the Air onet 4000 Series Wireless LAN Adapter The Aironet 4000 Series Wireless LAN Adapter is a PC Card radio module t.
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-2 Safety Inf ormation The FCC with its action in ET Dock et 96-8 has adopted a saf ety standard for human e xposure to radio frequency (RF) electromagnetic energy emitted by FCC certified equip- ment.
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-3 Snap-On Antenna Alwa ys or ient antenna such that it is at least 5 cm (2 inches) aw a y from your body . Dipole Antenna Alwa ys or ient antenna such that it is at least 15 cm (6 inches) aw a y from your body .
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-4 Other Devices in the Wireless Network Ref er to the User’ s Guide and T echnical Ref erence manual f or the Access P oint, Univ ersal Client, or Bridge f or additional information.
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-5 Radio Characteristics The PC Card operates in the 2.4 GHz license-free Industrial Scientific and Medical (ISM) band. Data is transmitted ov er a half-duple x radio channel operating up to 2 Megabits per second (Mbps) f or the PC4500 or up to 11 Mbps for the PC4800.
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-6 Pr otocols Suppor ted The Aironet 4000 Series Wireless LAN Adapter can be used in a variety of infrastructure configurations . Aironet Access P oints (AP4500 and AP4800) provide connections to Ethernet or T oken Ring Netw orks.
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-7 Here are some operating and en vironmental conditions that need to be considered: • Data Rates. Sensitivity and range are in versely propor- tional to data bit rates. The maximum r adio range is achie v ed at the lo w est workable data r ate .
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-8 Link T est The link test tool is used to determine RF cover age. The test results help the installer eliminate low RF signal le vel area that can result in loss of connection.
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-9 T erminology When configuring your system, and when reading this manual, k eep in mind the follo wing terminology: Association – Each roo.
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-10 P ower Saving Pr otocol (PSP) and Non-P ower Saving Protocol – The P ower Sa ving Protocol allows computers (usually por table computers) to po wer up only par t of the time to conser v e energy .
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-11 System Configurations The Aironet 4000 Series Wireless LAN Adapter can be used in a variety of network system configurations .
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-12 Figure 1.2 - Wireless Infrastructure In a wireless infrastructure, an Aironet Access P oint is used as a stand-alone root unit. The root unit is not attached to any wired LAN (such as an Ethernet or T oken Ring LAN), but functions as a hub linking all stations together .
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-13 Figure 1.3 - Wireless Infrastructure with W orkstations Accessing a Wired LAN A Micro-Cellular Network can be created by placing two or more Aironet Access P oints on a LAN. The Aironet roaming protocols allow remote workstations to mov e from one microcell domain to another .
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-14 Figure 1.4 - Extended Infrastructure Using Repeaters An Aironet Access P oint can be configured as a stand- alone repeater to e xtend the range of y our infrastructure, or to ov ercome an RF blocking obstacle .
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-15 Co verage Options The system architecture options of the wireless station and Access P oints provide f or a v ar iety of co v erage alter nativ es and fle xibility . The system can be designed to provide a wide cov erage area with minimal ov erlap (Figure 1.
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-16 Figure 1.6 - Heavy Overlap Co verage Option By arranging the Access P oints so the ov erlap in cover age area is nearly maximized, a large number of mobile stations can be suppor ted in the same wireless infrastructure.
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-17 Figure 1.7 - Multiple Overlapping Systems Covera ge Option Multiple systems can operate in the same vicinity . The architecture provides multiple channels , which can exist in the same area with vir tually no interf erence to each other .
Welcome to the Aironet 4000 Series Wireless LAN Adapter 1-18.
Installing the Hardware 2-1 Section 2 Installing the Har d ware This section describes the procedures for installing the Wireless LAN Adapter . Here’ s what you’ll find in this section: • Bef o.
Installing the Hardware 2-2 Bef ore Y ou Star t F or the PC Card to be used with a computing device (desk- top personal computer , notebook, laptop computer , por table or hand-held de vice), the device m ust be equipped with an internal or external PC Card T ype II or T ype III slot.
Installing the Hardware 2-3 Figure 2.1 - Overview of the 4000 Series PC Card Antenna Connectors The PC Card has two f emale MicroMate antenna connec- tors on one end. All antennas and cables attached to the PC Card must be equipped with male MicroMate connec- tors.
Installing the Hardware 2-4 Standar d Antennas The Snap-On Div ersity antenna comes with the PC4500 and PC4800 and attaches directly to the PC Card. Its small size allo ws mobile communication in a small area (ad hoc network) where a larger antenna would be awkw ard or interf ere with the use of the PC or ter minal.
Installing the Hardware 2-5 Attaching the Antenna CA UTION: The Snap-On antenna should nev er be placed in contact with metal surf aces while in use. Attaching the Snap-On Antenna NO TE: Wireless LAN Adapter Card comes with the antenna attached.
Installing the Hardware 2-6 Detaching the Antenna CA UTION: The Snap-On antenna should nev er be placed in contact with metal surf aces while in use. Detaching the Snap-On Antenna 1. Remov e the PC Card from the PC Card slot. 2. Grasp the center of the antenna with the thumb and f orefinger .
Installing the Hardware 2-7 Installing the Wireless LAN Adapter Bef ore you begin, e xamine the PC Card. One end is a dual row 68-pin PC Card connector . This side will be inser ted into the PC Card slot with the Aironet logo on the PC Card and the Snap-On antenna f acing up .
Installing the Hardware 2-8.
Installing the Software 3-1 Section 3 Installing the Software The PC Card is supplied with P ACKET , NDIS2, NDIS3 and ODI drivers allowing oper ation under DOS, Windows 3.x, Windows for W orkgroups, Windows 95, Windows 98, Windows NT , and Nov ell Netware .
Installing the Software 3-2 The driver disk shipped with the Wireless LAN Adapter is organized as f ollows: T ab le 3.1 - Driver Disk Structure README.TXT Contains latest inf or mation about the disk contents DIA G Director y containing utilities FLSH3545.
Installing the Software 3-3 NDIS3 (PC4500) Director y containing NDIS3 driv er files PC4500.INF WIN95/98 install file PC4500.SYS NDIS3 driver PC4500.DLL NDIS3 library VXD4500.VXD Vir tual de vice driver f or Aironet WinDGS utility OEMSETUP .INF WIN NT install file ODI Directory containing ODI driver files A WCO45C.
Installing the Software 3-4 Windows 95 or Windows 98 NDIS3 Installation T o complete the installation of the PC Card under Windo ws 95 or Windows 98, make sure that the PC Card driver is installed and PC Card 32-bit suppor t is enabled.
Installing the Software 3-5 Choosing the adapter from the Network Icon and selecting Proper ties will allow the setting of additional par ameters. See Driver K eywords and Settings f or information on these settings.
Installing the Software 3-6 Windows NT NDIS3 Installation T o complete the installation of the PC Card using Windows NT , verify PCMCIA card and sock et ser vices are enabled using De vices in the Control P anel. 1. Shutdown the Windows NT workstation.
Installing the Software 3-7 13. Select OK . 14. Select Close . 15. Add all other related network information if applicable (IP address, DHCP , DNS , GA TEW A Y).
Installing the Software 3-8 Windows f or W orkgr oups NDIS2 Installation 1. P ower on y our computer and star t Windows for W orkgroups. 2. Go to the Network program g roup and clic k on Netw ork Set-Up . 3. Under Network Setup , choose Networks.... .
Installing the Software 3-9 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 (PR O T OCOL.
Installing the Software 3-10 4. Modify the CONFIG.SYS file. After the line containing: De vice=PRO TMAN.DOS, add De vice=[dr iv e:] [path] A WC2N45C.DOS . 5. T o modify the PC Card system parameters, edit the PRO T OCOL.INI file in the netw ork director y .
Installing the Software 3-11 DOS P acket Driver Installation The installation of this driver includes creating or editing a configuration file (A WCPKT .INI). It is required that this file contain the f ollowing lines: T ab le 3.3 - Minimum A WCPKT .
Installing the Software 3-12 4. If you w ould lik e to modify the PC Card system par ame- ters, edit the A WCPKT .INI file. For a list of par ameters which can be modified, see T able 3.3. 5. Load the driver b y typing A WCP45C [-cinuw] <int_number> at the DOS prompt (i.
Installing the Software 3-13 ODI Driver Installation The PC Card can be installed in an ODI compliant DOS environment such as No vell NetW are. T ab le 3.4 - Minimum NET .CFG Driver Settings 1. P ower on y our computer . 2. Cop y the ODIA WCO45C.COM driver from the Aironet Driver disk ette to the director y containing the network files.
Installing the Software 3-14 General Inf ormation • A WCPKT .INI file must ha ve a section header of [A WCPKT]. • PRO T OCOL.INI file can hav e any section header , but the section must contain the k eyword and par ameter DRIVERNAME=ìA WC2N45C$î.
Installing the Software 3-15 NO TE: PRO T OCOL.INI does not suppor t some of the white space characters in a quoted string. If a str ing begins with an alphabetic character and contains no special characters, the quotes ma y be omitted. • F or P ack et string parameters, the string can be enclosed with double quotes or single quotes .
Installing the Software 3-16 Driver Ke ywor ds and Settings The def ault PC Card configuration is set to: • Constant A wake Mode • Infrastructure Mode – This allows association with any Aironet.
Installing the Software 3-17 The f ollowing tab les contain ke ywords and parameter set- tings common to both the NDIS2 PRO T OCOL.INI, ODI NET .CFG, and the PKT A WCPKT .INI configuration files . Basic system operation can be adjusted with the f ollowing parameters.
Installing the Software 3-18 Network performance can be optimized with the f ollowing variab les. T ab le 3.6 - Advanced Netw ork Keyw ords Ke ywor ds V alue Description LONGRETR YLIMIT 0 – 255 Opti.
Installing the Software 3-19 Additional system perf or mance adjustments can be made with the f ollowing group of v ar iab les. T ab le 3.7 - Fragmentation Ke ywor ds Ke ywor ds V alue Description FRAGTHRESHOLD 256 – 2312 (must be ev en) Optional – specifies the fragmenta- tion size in bytes .
Installing the Software 3-20 The Wireless LAN Adapter power management can be adjusted with the f ollowing group of v ar iab les. T ab le 3.8 - P ower Management Ke ywor ds Ke ywor ds V alue Description POWERSA VEMODE CAM, PSP , F ASTPSP Optional – specifies a par ticular operational mode (def ault is CAM).
Installing the Software 3-21 T ab le 3.8 - P ower Management Ke ywor ds (Continued) Ke ywor ds V alue Description F ASTLISTENTIME 0 – 0xFFFF Determines how often to aw aken f or beacons. Note that the PC Card will alwa ys awak en to receive DTIMs when in F astpsp Mode (default is 100 K µ sec).
Installing the Software 3-22 Additional system perf or mance adjustments can be made with the f ollowing group of v ar iab les. T ab le 3.9 - Scanning Keyw ords Ke ywor ds V alue Description SCANMODE ACTIVE, P ASSIVE, AD V ANCED Optional – parameter to determine the current scanning mode to be used by the PC Card (def ault is ACTIVE).
Installing the Software 3-23 Additional system perf or mance adjustments can be made with the f ollowing parameters . T ab le 3.10 - Infrastructure Keyw ords Ke ywor ds V alue Description SSID 1 to 32 charac- ter string This parameter m ust match the SSID of the system for proper infr a- structure operation.
Installing the Software 3-24 T ab le 3.10 - Infrastructure Keyw ords (Continued) Ke ywor ds V alue Description SPECIFIED APTO 0 – 0xFFFF Optional – time in K µ sec to attempt to associate to a specified Access P oint before searching f or any avail- able Access P oints (with matching SSID) (default is 10,000 K µ sec [10 sec]).
Installing the Software 3-25 Ad hoc system operation is accomplished with the f ollo wing group of v ariables. T ab le 3.11 - Ad Hoc Keyw ords Ke ywor ds V alue Description JOINNETT O 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 µ sec [10 sec]).
Installing the Software 3-26 The f ollowing is a list of k eywords that will control the host system hardware resources the Aironet 4000 Series Wire- less LAN Adapter requires. NO TE: At a minimum, the PC Card requires 64 consecutive 16-bit I/O ports, one non-sharab le Interrupt and one PC Card type II slot.
Installing the Software 3-27 T ab le 3.12 - PC Card Ke ywords Ke ywor ds V alue Description PORTBASE 0 – 0xFFFF Optional – specifies the starting address for a b lock of 64 consecu- tive 16-bit I/O ports. Make sure the bloc k of I/O addresses does not ov erlap the address of another device in the machine .
Installing the Software 3-28.
Utilities 4-1 Section 4 Utilities This section describes procedures for using utilities and updating firmware depending on the operating system used. See Appendix B f or detailed configuration procedures f or WinDGS using Windows 95 or Windows 98.
Utilities 4-2 The link test tool helps determine the RF networ k co ver age. The results of the link test will help eliminate low RF signal le vel areas that can result in loss of connection betw een the PC Card and the Aironet Access P oint.
Utilities 4-3 8. Star t a telnet session on the mobile station to the Aironet Access P oint. Depending on the system in use, the telnet application ma y hav e logging and note taking capability . If so , enable these modes. 9. Navigate through the Aironet Access P oint menu to the link test option.
Utilities 4-4 Using Windo ws 95 or Windo ws 98 to Perf orm a Link T est Y ou ma y use either : • T elnet • The link test or site sur v ey commands in WinDGS • Linkscope.
Utilities 4-5 Link T est Command in WinDGS WinDGS ma y 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 inf or- mation on installing and setting up TCP/IP .
Utilities 4-6 2. Once the parameters ha ve been entered, clic k on the Star t button at the bottom of the dialog bo x to star t the link test. When the link test is r unning, nec- essar y statistics will be displa yed and updated peri- odically . 3. T o stop the link test, click on Stop , OK, or Cancel at the bottom of the dialog bo x.
Utilities 4-7 Signal strength is displa yed along the v er tical axis of the graphical displa y . Signal quality is displa yed along the horizontal axis. The combined result is represented by a diagonal line . The Aironet Access P oint associat- ing with the PC Card is indicated along the bottom of the displa y as well as its MA C address.
Utilities 4-8 Loading Ne w Firmware V ersions The firmware is contained in the card’ s flash memory . Flash memor y allo ws for easy updating of the firmware as neces- sar y . Upgrading Firmware f or Windows 95 or Windows 98 The WinDGS program is used to load new firmware.
Utilities 4-9 Loading Firmware f or Windows 3.11 and DOS The FLSH3545.COM program is used to load ne w firmware to systems operating under DOS and Windows 3.11. T o load new firmware: 1. Bef ore upgrading the firmware, uninstall the driv er or reboot the computer and do not load the driver during the boot process.
Utilities 4-10.
Error Messages and Trouble Shooting 5-1 Section 5 Err or Messages and T r ouble Shooting The Wireless LAN Adapter provides LED messages and error codes. This section provides the general procedures f or correcting common problems encountered when installing the PC Card system.
Error Messages and Trouble Shooting 5-2 T ab le 5.1 – Green LED Operating Messages T ab le 5.2 – Amber LED Operating Messages Green LED Condition Off No power or error Flashing Quickly P ower on, .
Error Messages and Trouble Shooting 5-3 If Y our Radio Fails to Estab lish Contact • Change your location or the location of the antenna b y a f ew f eet and tr y again. • Make sure the antenna is securely attached. • Make sure the PC Card is securely inserted in the PC Card slot.
Error Messages and Trouble Shooting 5-4.
PC Card Specifications A-1 Appendix A PC Car d Specifications LAN Drivers Supported T ab le A.1 – Suppor ted Driver s Protocol Operating System ODI DOS based driver f or Novell Netw are NDIS 2 MS DOS, Windows 3.xx NDIS 3 Windows 95, Windows 98, Windows NT P acket MS DOS, Windows 3.
PC Card Specifications A-2 Radio Specifications T ab le A.2 – Radio Specifications Item Specification Description Radio T ype Direct Sequence 2.4 GHz ISM Band Operating F requency 2400-2497 Nor t.
PC Card Specifications A-3 P ower Requirements T ab le A.3 – P ower Requirements Ph ysical Specifications T ab le A.4 – Physical Characteristics Specification V alue Operational V oltage 5.
PC Card Specifications A-4 Mechanical Description Figure A.1 – Mechanical Outline RF CONN. (2) .196 LED LOC'N (2) J1 and J2 provided for diversity antenna connections. If a special single-coax diversity antenna is required, use J1 exclusively. .
Using the WinDGS Utility B-1 Appendix B Using the WinDGS Utility WinDGS is used to perf or m user le vel diagnostics on your Aironet Wireless LAN Adapter Card in the Windo ws 95 or Windows NT operating system en vironment.
Commands Menu B-2 Load New Firmware See Section 4 – Utilities f or more information on loading and upgrading firmware v ersions. Edit Pr oper ties WinDGS allows y ou to change the configuration parameters of your currently installed Aironet 4000 Series Wireless LAN Adapter.
Commands Menu B-3 Link T est See Section 4 – Utilities f or information on using link test. Site Survey See Section 4 – Utilities f or information on using site sur v ey . Radio Off/On Radio Off/On allows y ou to selectively turn off or on the power to the r adio .
Commands Menu B-4 Options Menu The Options Menu includes: • Pref erences • Screen Update Timer • Sav e Proper ties Options Preferences The WinDGS Preferences allow y ou to customize various parameters that control the operation of WinDGS.
Edit Parameters B-5 Save Pr oper ties Options Use Sav e Proper ties Options to select the default oper a- tions f or saving the current adapter configuration. Choose either : • Save Pr operties to the Registr y : This option allows you to sa ve the configuration to the Windows Registr y .
Edit Parameters B-6 System P arameters System parameters include: • Name • SSID • Network T ype (Infrastructure or Ad Hoc) • Constant A wake Mode (CAM) • P ower Sa ve Mode • F ast P ower Sa ve Mode • Maximum P ower Sa ve Mode Name The station name is displa y ed in the table of connected de vices on the Access P oint.
Edit Parameters B-7 Network type (Ad Hoc Mode) This mode is used to set up a small, temporary network between two or more computers . For e xample, y ou might set up an ad hoc network between computers in a conf erence room so users can share information in a meeting.
Edit Parameters B-8 Maximum P ower Sa ve Mode Maximum P o wer Sa ve Mode (Max PSP Mode) can only be used in conjunction with PS or F ast PSP Modes.This mode allows the Aironet 4000 Series Wireless LAN Adapter to conser v e the most power while still main- taining an infrastructure connection.
Edit Parameters B-9 Netw ork P arameters User modifiable par ameters are limited to the choice of MA C Address: • Factory MA C Address : This is the def ault MAC address which is guaranteed to be unique. Unless y ou hav e a very good reason to define your own MA C address, it is STR ONGL Y RECOMMENDED that you use the f actor y MA C address.
Edit Parameters B-10 • Data Retries : This parameter defines the number of times a pack et will be re-sent if the initial transmission is unsuccessful.
Edit Parameters B-11 Adv anced (Infrastructure) The f ollowing parameters are contained in both the Infr a- structure and Ad Hoc Modes: • Antenna Mode • Specified Access P oint • R TS Threshold.
Edit Parameters B-12 • Left Antenna Only (J2) : Choose this option if the antenna you are using is connected to the left hand antenna por t 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 por t since no antenna is connected to it.
Edit Parameters B-13 RTS Retry Limit This parameter controls the number of times the PC Card will re-send the R TS pack et if it does not receiv e a CTS from the pre viously sent RTS pac ket.
Edit Parameters B-14 Beacon P eriod This parameter specifies the duration betw een beacon pack ets that are used by IEEE 802.11 systems to synchronize the “hops” (change to another frequency). The beacon pack et contains timing inf or mation and hop pattern information that is broadcast over the airw av es.
Appendix C C-1 T ested T o Comply With FCC Standards FOR HOME OR OFFICE USE Appendix C Manufacturer s Federal Communication Commission Declaration of Conf ormity Statement Models: PC4500, PC4800 Manufacturer: Aironet Wireless Comm unications, Inc. 3875 Embassy Parkwa y Akron, OH 44333-8357 330-664-7900 This device complies with P ar t 15 rules.
Appendix C C-2 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.
Appendix C C-3 European T elecommunication Standards Institute Statement of Compliance Information to User This equipment has been tested and found to comply with the European T elecommunications Standard ETS 300.328. This standard co vers Wideband Data T ransmission Systems ref erred in CEPT recommendation T/R 10.
Appendix C C-4 Declaration of Conformity Aironet Model Number: PC4500 Radio CE T ype Certificate Number: Radio T ype Approval Examiniation Number: BCL/EC/98-0309/B CPC/ARLAN/DK/9815 Application of Cou.
Appendix C C-5 Declaration of Conformity Aironet Model Number: PC4800 Radio CE T ype Certificate Number: Radio T ype Approval Examiniation Number: Application of Council Directive: Application of Coun.
Appendix C C-6.
Appendix D D-1 Appendix D T echnical Suppor t Communications Use the f ollowing inf ormation to contact the Aironet T echnical Suppor t group: T elephone - (330) 664-7903 F ax - (330) 664-7990 e-mail - techsupp@aironet.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Beacon Computer Lan Adapter è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Beacon Computer Lan Adapter - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Beacon Computer Lan Adapter imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Beacon Computer Lan Adapter ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Beacon Computer Lan Adapter, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Beacon Computer Lan Adapter.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Beacon Computer Lan Adapter. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Beacon Computer Lan Adapter insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
