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About the Spectrum24 Wireless LAN Adapter

4

Spectrum24 Wireless LAN Adapter Product Reference Guide

2.1

MU Mode 

In the 

Mobile Unit (MU)

 mode, the WLAN adapter 

connects to an access point (AP) or another WLAN 
installed system. MU mode allows the device to
roam freely between AP cells in the network. MUs 
appear as network nodes to other devices.

Содержание LA-4121

Страница 1: ...www symbol com Spectrum24 Wireless LAN Adapter Models LA 4121 PC Card LA 4123 PCI Adapter Product Reference Guide 70E 20706 03 Revision A June 2000...

Страница 2: ...50 5 149 950 5 157 687 5 168 148 5 168 149 5 180 904 5 216 232 5 229 591 5 230 088 5 235 167 5 243 655 5 247 162 5 250 791 5 250 792 5 260 553 5 262 627 5 262 628 5 266 787 5 278 398 5 280 162 5 280 1...

Страница 3: ...NTER identifies a key FUNC CTRL C identifies a key sequence Press and release each key in turn Press A B press the indicated keys simultaneously Hold A B press and hold the indicated keys while perfor...

Страница 4: ...damage or data loss Indicates a potentially dangerous condition or procedure that only Symbol trained personnel should attempt to correct or perform Screen indicates monitor screen dialog Also indica...

Страница 5: ...ware Installation 9 3 1 Preparation 9 3 2 Installing the PC Card 10 3 3 Installing the PCI Adapter 12 3 3 1 External Antenna Connection 14 Chapter 4 Installing and Configuring the Windows 95 98 Driver...

Страница 6: ...er 35 7 1 3 Uploading the Spectrum24 Driver to an Handheld Computer Device 37 Chapter 8 Verifying the Firmware Version 39 Appendix A Spectrum24 Network Control Panel Applet NCPA A 1 A 1 Installing NCP...

Страница 7: ...ubleshooting Tips C 7 C 4 Windows CE Troublshooting C 8 C 4 1 The Handheld Computer Does Not Recognize the Spectrum24 PC Card C 8 C 4 2 An IP Address is Not Recognized by the Handheld Computer C 9 App...

Страница 8: ...viii Spectrum24 Wireless LAN Adapter Product Reference Guide...

Страница 9: ...access points within large or small environments Spectrum24 bridging architecture allows communication between wired network devices and mobile devices Spectrum24 supports the IEEE 802 11 specificatio...

Страница 10: ...Introduction 2 Spectrum24 Wireless LAN Adapter Product Reference Guide...

Страница 11: ...ct to and establish a Spectrum24 network The PCI version of the WLAN adapter implements the Plug and Play standard Features Include Low power operation for battery powered devices with PC Card slots S...

Страница 12: ...dapter Product Reference Guide 2 1 MU Mode In the Mobile Unit MU mode the WLAN adapter connects to an access point AP or another WLAN installed system MU mode allows the device to roam freely between...

Страница 13: ...he adapter can default to a 5 5 2 or 1 Mbps data rate when unable to establish an 11 Mbps association The following factors can dynamically alter the data rate signal strength between the AP and the M...

Страница 14: ...nfigured to support Mobile IP The Mobile IP feature allows Spectrum24 Wireless LAN devices to roam across routers The MU retains its IP address when configured for Mobile IP and can move from one IP s...

Страница 15: ...till associated with an AP The AP saves data for transmission to the MU when it wakes at given intervals When the adapter wakes to check for data it switches back into CAM until it is ready suspend co...

Страница 16: ...of the Spectrum24 WLAN adapter supports Plug and Play systems This allows a computer to recognize the PCI adapter and configure the hardware interrupt memory and device recognition addresses This feat...

Страница 17: ...tem Refer to the system manufacturer documentation for specific information 3 1 Preparation Before beginning the installation verify the hardware package contains Spectrum24 Wireless LAN adapter insta...

Страница 18: ...t IRQ an available I O port address Spectrum24 driver installation CDROM Installation and removal methods vary for different host devices Refer to system documentation for information Avoid WLAN adapt...

Страница 19: ...he card properly when inserting Insert the card firmly without forcing Forcing the card into the slot can damage the device or the card FCC RF exposure requirements state the PC Card antenna should be...

Страница 20: ...per grounding for the environment when handling computer components The Spectrum24 PCI adapter installation requires a CDROM drive an available interrupt IRQ an available I O port address Spectrum24 d...

Страница 21: ...r can function as a second controller 2 Remove the computer cover 3 Locate an available PCI slot in the computer 4 Remove the retaining screw and bracket for the slot 5 Align the adapter with the slot...

Страница 22: ...dual dipole antenna Install the antenna parallel to the ground for optimal performance Attach the antenna to the antenna connector as shown The Spectrum24 Wireless LAN adapter hardware installation is...

Страница 23: ...recommends updating the Spectrum24 WLAN adapter to the latest firmware After the driver and Plus Pack have been installed use the NICUpdate utility to update the firmware in Windows 95 Refer to the d...

Страница 24: ...r 3 2 Power up the system 3 Insert the Spectrum24 Windows driver installation CD 4 When Windows 95 recognizes the adapter an Update Device Driver Wizard dialog box appears requesting a driver to insta...

Страница 25: ...ds updating the Spectrum24 WLAN adapter to the latest firmware After the driver and Plus Pack have been installed use the NICUpdate utility to update the firmware in Windows 98 Refer to the documentat...

Страница 26: ...dd New Hardware Wizard dialog box appears Click Next 5 Select Search for best driver for your device Click Next 6 Specify the location of the Symbol driver files Click Next 7 Click Next when Windows l...

Страница 27: ...figure the Spectrum24 WLAN adapter in Windows 95 98 1 Click Start select Settings and Control Panel 2 Select the Network icon and click on the Symbol PC Card PCI Adapter 3 Select the Properties button...

Страница 28: ...ion and WLAN Adapter tabs to view or adjust the adapter configuration settings For information on using the Spectrum24 NCPA utility to configure Spectrum24 adapter properties refer to Appendix A 5 Exi...

Страница 29: ...24 WLAN adapter to the latest firmware After the driver and Plus Pack have been installed use the NICUpdate utility to update the firmware in Windows NT Refer to the documentation shipped with the Spe...

Страница 30: ...onflicts occur during the installation configure the IRQ and I O addresses for available values Refer to the Windows NT Diagnostics Tool to verify the values Use the NCPA WLAN Adapter page to set the...

Страница 31: ...mbol LA 4121 PC Card or LA 4123 PCI Adapter Click OK The Symbol Easy Setup dialog box displays 9 Enter the network ESSID in the Symbol Easy Setup dialog box Click OK The Network dialog box appears 10...

Страница 32: ...Settings and Control Panel 2 Click on the Network icon 3 Select the Adapters tab and click on the Symbol PC Card PCI Adapter 4 Click the Properties button The Symbol Easy Setup dialog box displays 5 C...

Страница 33: ...ility to configure Spectrum24 adapter properties refer to Appendix A 6 Click OK or Close to save the changes to the adapter configuration and exit the Symbol NCPA utility Select Cancel to use the defa...

Страница 34: ...Installing and Configuring the Windows NT Driver 26 Spectrum24 Wireless LAN Adapter Product Reference Guide...

Страница 35: ...m24 WLAN adapter to the latest firmware After the driver and Plus Pack have been installed use the NICUpdate utility to update the firmware in Windows 2000 Refer to the documentation shipped with the...

Страница 36: ...w Hardware Wizard dialog box displays again 6 Select the Search for a suitable driver for my device button Click Next 7 Specify the location of the Symbol driver files Click Next 8 Click Next when a m...

Страница 37: ...ESSID in the Easy Setup window Click OK The Found New Hardware Wizard dialog box displays again stating Windows has finished installing the software required for this device 10 Click Finish 11 Restar...

Страница 38: ...click on Network Adapters 5 Right click on the Spectrum24 WLAN adapter 6 Select Properties The Symbol PC Card Properties dialog box displays 7 Select the Spectrum24 tab The Symbol NCPA Easy Setup dial...

Страница 39: ...24 Wireless LAN Adapter Product Reference Guide 31 9 Click OK or Close to save the changes to the adapter configuration and exit the Symbol NCPA utility Select Cancel to use the default values 10 Rest...

Страница 40: ...Installing and Configuring the Driver in Windows 2000 32 Spectrum24 Wireless LAN Adapter Product Reference Guide...

Страница 41: ...river Use these utilities to monitor and status the Network Interface Card NIC as used within a handheld computer device Symbol recommends updating the Spectrum24 WLAN adapter to the latest firmware U...

Страница 42: ...1 Attach the 9 pin serial cable included with the handheld computer between the desktop computer and the handheld computer 2 Click Start and select Programs 3 Select Microsoft Windows CE Services 4 Se...

Страница 43: ...y Setup dialog box appears on the handheld computer when the file download is complete 11 Enter the network ESSID in the Easy Setup dialog box See Appendix A for instructions on using the NCPA propert...

Страница 44: ...click Save The computer copies the zipped Windows CE driver and utility files to the hard drive 5 Extract the Windows CE device driver by double clicking the Spectrum24 Windows CE icon and completing...

Страница 45: ...o upload the Spectrum24 Windows CE driver to a handheld computer 1 From the Easy Setup window click on the Advanced button The Symbol Spectrum24 WLAN Mobile Unit window appears This window contains de...

Страница 46: ...Installing and Configuring the Driver in Windows CE 38 Spectrum24 Wireless LAN Adapter Product Reference Guide...

Страница 47: ...Tray NICTT utility to view driver and firmware revision data The NICTT General properties page allow users to verify driver firmware version data and view wireless LAN adapter signal and transmission...

Страница 48: ...Verifying the Firmware Version 40 Spectrum24 Wireless LAN Adapter Product Reference Guide...

Страница 49: ...Windows 95 98 NT 4 0 2000 and CE The Symbol Network Control Panel Applet NCPA utility comes bundled with the Spectrum24 Windows device driver on a CDROM Use NCPA to configure the Spectrum24 adapter C...

Страница 50: ...Network Control Panel When NCPA is installed the applet displays an Easy Setup window allowing users to set the 802 11 ESSID Clicking the Advanced button allows users to view or edit WLAN adapter set...

Страница 51: ...e A 3 Use the WLAN Adapter property page to create a NCPA Advanced property pages password dialog box The password dialog box displays when the user clicks the Advanced button on the Easy Setup window...

Страница 52: ...perty Page Use the Mobile Unit property page to configure the NIC operating mode and ESSID Use the Operating Mode pull down menu to select one of the following operating modes for the NIC ESS 802 11 S...

Страница 53: ...testing Pseudo IBSS does not support PSP MUs and does not use beacons or authentication In Pseudo IBSS mode each MU is required to be on the same channel Pseudo IBSS is not recommended as a normal op...

Страница 54: ...CAM yields the best performance but uses the most power CAM is the preferred mode for systems running on AC power PSP saves significant amounts of power over CAM PSP is the preferred mode for systems...

Страница 55: ...bles an MU to communicate with other hosts using only its home IP address after changing its point of attachment to the internet intranet Select the Enable Mobile IP checkbox to enable Mobile IP suppo...

Страница 56: ...t value When the MU registers with a foreign subnet access point the registration is required to take place within the time specified The default registration time is 60 seconds If the MU does not reg...

Страница 57: ...cryption is an efficient method of preventing data theft and improving data security The firmware supports Open System 40 bit and 128 bit Encryption algorithms Use the Encryption Algorithm pull down m...

Страница 58: ...0 bit Encryption is selected the user is required to enter a 10 Hex digit Encryption key The key can be entered by spreading the 10 Hex digits between the two Encryption key fields provided Click OK t...

Страница 59: ...OK Once the access code is entered the Access Code button is no longer displayed on the Encryption property page and the access code is stored Once 128 bit Encryption is enabled select 128 bit Encrypt...

Страница 60: ...Adapter property page to configure hardware and radio settings Use the Card Type pull down menu to specify the type of adapter PC Card or PCI adapter in the system The Interrupt Number IO Port Addres...

Страница 61: ...Protecting NCPA NCPA has a password protection feature that can be turned on and off from the WLAN Adapter property page When the NCPA program is initially launched the password is off default To crea...

Страница 62: ...Reference Guide To disable the password dialog box enter the current password and leave the New Password and Confirm New Password fields blank Click OK To change the password enter the current passwo...

Страница 63: ...ght with antenna 1 6 oz 45 36 g Operating temperature 32 to 130 F 20 to 70 C Humidity 95 95 maximum non condensing Cargo Packaged 6ft 1 8m drop 5hz vibration Mil Std 810E Altitude 15 000 ft 4 6 km Sto...

Страница 64: ...eight 4 3 oz 122 g Operating Temperature 32 to 100 F 20 to 70 C Storage Temperature 15 to 140 F 30 to 80 C Humidity 95 max non condensing Cargo Packaged 6 ft drop 5 Hz vibration Mil Std 810E Altitude...

Страница 65: ...Rate 11 Mbps Optional 5 5 Mbps Optional 2 Mbps Optional 1 Mbps Required Range open environment over 100 ft at 11 Mbps Typical office or retail environment 30 50 ft at 11 Mbps TX Max Radiated EIRP US...

Страница 66: ...WLAN Adapter Specifications B 4 Spectrum24 Wireless LAN Adapter Product Reference Guide...

Страница 67: ...does not recognize the Spectrum24 WLAN adapter when installed Verify that Windows 95 98 PCMCIA support is installed Verify the computer has a Plug and Play BIOS or a Spectrum24 PCI adapter in use The...

Страница 68: ...Card or PCI adapter if Diversity is selected Network drive mappings disappear when the laptop suspends or the adapter is removed then reinserted Windows 95 98 does not restore Netware network drive m...

Страница 69: ...T Diagnostics program to locate a free resource Resource conflicts could exist without an entry in the event log when another adapter failed to register its resources When event log entries do not app...

Страница 70: ...LEDs Verify the PCI adapter is selected in the Card Type field Verify the adapter ESSID matches the ESSID of the AP C 2 1 Useful Tool for Windows NT Troubleshooting Windows NT Provides an additional...

Страница 71: ...m Log SLA41ND4 Could not allocate the resources necessary for operation The driver could not allocate enough memory for internal data SLA41ND4 Has determined that the adapter is not functioning proper...

Страница 72: ...uld be in use by another adapter Choose a different interrupt number SLA41ND4 Does not support the configuration supplied An invalid driver configuration parameter was specified Use NCPA to view the d...

Страница 73: ...dapter ESSID matches the ESSID of the AP Refer to the Configuration section of this document for details Degraded performance from the Spectrum24 WLAN adapter Verify a secure antenna connection on the...

Страница 74: ...ver files require reinstallation Refer to the Spectrum24 32 bit Windows CE driver installation section of Chapter 8 for detailed installation instructions To verify that the handheld computer recogniz...

Страница 75: ...ter Product Reference Guide C 9 C 4 2 An IP Address is Not Recognized by the Handheld Computer Remove and reinsert the PC Card for changes to the IP address to take effect once the Network program has...

Страница 76: ...Troubleshooting C 10 Spectrum24 Wireless LAN Adapter Product Reference Guide...

Страница 77: ...vailable for further assistance and support Symbol Customer Support responds to calls by email telephone or fax within the time limits set forth in individual contractual agreements When contacting Sy...

Страница 78: ...logies Technical Support 12 Oaklands Park Berkshire RG41 2FD United Kingdom Tel 011 44 118 945 7000 or 1 516 738 2400 ext 6213 Symbol Developer Program Web Site http sdp symbol com Additional Informat...

Страница 79: ...limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio freque...

Страница 80: ...perienced radio TV technician for help Radio Frequency Interference Requirements Canada This Class A digital apparatus meets the requirements of the Canadian Interference Causing Equipment Regulations...

Страница 81: ...tibility for Industrial Process Measurement and Control Equipment Part 3 Radiated Electromagnetic Field Requirements IEC 801 4 Electromagnetic Compatibility for Industrial Process Measurement and Cont...

Страница 82: ...esult in the device not ringing in response to an incoming call In most but not all areas the sum of the RENs should not exceed 5 0 To be certain of the number of devices that may be connected to the...

Страница 83: ...ociated with a single line individual service maybe extended by means of a certified convector assembly telephone extension cord The customer should be aware that compliance with the above conditions...

Страница 84: ...tative for service and support Symbol Technologies Inc Canadian Sales and Service 2540 Matheson Boulevard East Mississauga Ontario Canada L4W 4Z2 Phone 905 629 7226 Laser Devices Symbol products using...

Страница 85: ...scanners use a low power visible light diode As with any very bright light source such as the sun the user should avoid staring directly into the light beam Momentary exposure to a Class 2 laser is n...

Страница 86: ...Regulatory Compliance E 8 Spectrum24 Wireless LAN Adapter Product Reference Guide...

Страница 87: ...r 14 WLAN property page A 13 C CAM Continuously Aware Mode power management 7 Configuring 30 CSS Card and Socket Services wireless LAN 8 Customer Support additional information D 2 international conta...

Страница 88: ...indows 98 17 Windows CE 27 33 Windows NT 21 H hardware installation 9 external antenna 14 PC card 10 PCI adapter 12 preparation 9 Windows 2000 27 Windows 95 15 Windows 98 17 Windows CE driver 33 Windo...

Страница 89: ...15 Windows 98 17 Windows CE 27 33 Windows NT 21 M Mobile IP Internet Protocol Mobile IP property page A 7 roaming 6 roaming across routers 6 Mobile IP property page A 7 configure A 7 mobile unit prope...

Страница 90: ...P Power Save Polling power management 7 R roaming Mobile IP 6 roaming across routers 6 S Spectrum24 19 24 Symbol Technologies Web site 15 17 21 27 33 system documentation 10 T tools and utilities NCPA...

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