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3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES

4.5 Setting Up a Basic Wireless Ethernet Cell

A basic Wireless Ethernet cell consists of an Hub and
the wireless workstations associated with it. You can
convert most workstations (PCs,
X-Terminals, Apple, Digital, Sun, HP, IBM and
others) that are equipped with an Ethernet network
interface card to wireless workstations by simply
connecting a Workstation Adapter (LW002A or
LW008A).

NOTE

Installation procedures for the Workstation Adapter are
described in Section 4.3.

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Содержание LW001A

Страница 1: ...Box Corporation 1000 Park Drive Lawrence PA 15055 1018 Web site www blackbox com E mail info blackbox com PWR WLNK ETHR H M L QLT Wireless Bridge PWR WLNK ETHR H M L QLT PWR WLNK ETHR H M L QLT Workstation Adapter PWR INFR ETHR H M L LOAD Wireless Ethernet Hub 3 Mbps Wireless Ethernet Hubs Adapters and Bridges FEBRUARY 1998 LW001A LW004A LW008A LW011A LW002A LW005A LW009A LW011AE LW003A LW007A LW0...

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Страница 3: ... to cause interference in which case the user at his own expense will be required to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment This digital apparatus does not exceed the Class A limits for radio noise emission from digital appara...

Страница 4: ...a tina de baño lavabo sótano mojado o cerca de una alberca etc 6 El aparato eléctrico debe ser usado únicamente con carritos o pedestales que sean recomendados por el fabricante 7 El aparato eléctrico debe ser montado a la pared o al techo sólo como sea recomendado por el fabricante 8 Servicio El usuario no debe intentar dar servicio al equipo eléctrico más allá a lo descrito en las instrucciones ...

Страница 5: ...ar atención a los contactos y receptáculos donde salen del aparato 14 El equipo eléctrico debe ser limpiado únicamente de acuerdo a las recomendaciones del fabricante 15 En caso de existir una antena externa deberá ser localizada lejos de las lineas de energia 16 El cable de corriente deberá ser desconectado del cuando el equipo no sea usado por un largo periodo de tiempo 17 Cuidado debe ser tomad...

Страница 6: ...quipment Corporation HP is a registered trademark of Hewlett Packard IBM is a registered trademark of International Business Machines Corporation Windows is a registered trademark of Microsoft Corporation ProComm is a registered trademark of DATASTORM TECHNOLOGIES INC All applied for and registered trademarks are the property of their respective owners ...

Страница 7: ...4 Setting Up the LAN 29 4 1 Installing the Hub LW001A or LW007A 29 4 2 Installing the Workstation Adapter LW002A or LW008A 38 4 3 Installing the 4 Port Workstation Adapter LW003A or LW009A 45 4 4 Installing the Wireless Bridge LW004A or LW010A 55 4 5 Setting Up a Basic Wireless Ethernet Cell 63 4 6 Setting Up Overlapping Cells 69 4 7 Associating with a Hub 71 4 8 Associating with Other Hubs 73 4 9...

Страница 8: ...GES 5 1 Accessing Advanced Setup Functions 80 5 1 1 Hub Main Menu 87 5 1 2 System Configuration Menus 89 5 1 3 Current Station Parameters 90 5 1 4 IP Related Items 91 5 1 5 WLAN Parameters 95 5 1 6 Station Control Menu 105 5 2 Access Control Menu 108 ...

Страница 9: ...009A and Bridge models LW004A and LW010A unless otherwise noted Radio Modem Frequency 2 4 to 2 4835 GHz Radio type Spread spectrum Frequency Hopping Transmission Power 10 or 100 mW Modulation GFSK Data rate 1 2 3 Mbps Cell size LW001A LW002A LW003A LW005A LW007A LW008A LW009A open air 1000m 3000 feet Cell size LW001A LW002A LW003A LW005A LW007A LW008A LW009A indoor 200 m 600 feet ...

Страница 10: ...mni LW004A 1 or 2 attached antennas 2 dBi omni LW010A 1 or 2 detached antennas 2 dBi omni Optional antennas ordered separately for use with LW007A LW008A LW009A and LW010A 6 dBi Omnidirectional Antenna part number LW011A 8 5 dBi Unidirectional Antenna part number LW012A Maximum number of stations supported 256 Wireless LAN Interface Standard IEEE 802 11 D2 Media Access Protocol CSMA CA Network Int...

Страница 11: ...pletalk OSI NetBIOS DECnet etc LED Indicators LW001A LW005A LW007A Power and Self Test PWR Wired LAN activity ETHR Radio Interference INFR Wireless LAN load 3 LEDs H High M Medium L Low LED Indicators LW002A LW003A LW004A LW008A LW009A LW010A Power and Self Test Wireless Link Wired LAN activity Wireless LAN signal quality 3 LEDs ...

Страница 12: ...D Password Management LW001A LW005A LW007A SNMP agent MIB II bridge MIB Radio MIB Wired Ethernet serial SLIP and wireless management access Software download by TFTP Local monitor RS 232 Management LW002A LW008A SNMP agent MIB I and II bridge MIB Private MIB Wired Ethernet and wireless management access Software downloaded by TFTP ...

Страница 13: ...Ethernet serial SLIP and wireless management access Software downloaded by TFTP Management LW004A LW010A SNMP agent MIB II bridge MIB Radio MIB Wired Ethernet serial SLIP and wireless management access Software downloaded by TFTP Local monitor RS 232 Electrical External power supply 100 250 VAC autosensing Input voltage 5 VDC 1200mA ...

Страница 14: ...AND BRIDGES Dimensions 5 1 H x 3 4 W x 1 2 D 13 x 8 6 x 3 cm Weight 1 lb 0 45 kg Environmental Operating temperature 32 to 105 F 0 to 40 C Operating humidity 5 to 95 non condensing Immunity Will maintain link under all conditions Per EN 50082 1 ...

Страница 15: ...S ETHERNET HUBS ADAPTERS AND BRIDGES Approvals LW001A LW005A LW007A UL 19 50 FCC Part 15 ETS 300 328 VDE Class B CE Approvals LW002A LW003A LW004A LW008A LW009A LW010A UL UL C TUV GS FCC Part 15 ETS 300 328 VDE Class B ...

Страница 16: ... objects and metal furniture NOTE When using more than one Hub make sure to define different hopping sequences for each Access Point See Chapter 5 2 Connect the power transformer to a 110 220 VAC power supply and to the DC input socket on the Hub 3 Connect the Hub to the Ethernet backbone by attaching one end of a regular uncrossed 10BASE T cable not supplied to the RJ 45 port on the back panel of...

Страница 17: ...RNET HUBS ADAPTERS AND BRIDGES 4 Check the function of the Hub using the front panel LED indicators as follows PWR Power supply INFR Radio interference ETH Ethernet activity LOAD Number of associated stations Low Medium High ...

Страница 18: ...net Four Port Workstation Adapter LW003A or LW009A Wireless Ethernet Wireless Bridge LW004A or LW010A WIRELESS ETHERNET HUB LW001A LW005A OR LW007A The Wireless Ethernet Hub LW001A is a wireless Hub that provides access for the wireless workstation users into wired Ethernet LANs The Wireless Ethernet Hub for PCMCIA LW005A is the same as the LW001A except that the LW005A must be used with the PCMCI...

Страница 19: ...e through it to one another inside the cell coverage area even though they may not be in direct line of sight Mobile workstations can roam from one Hub to another that belongs to the same extended wireless network When Hubs are set up in such a way that their coverage areas overlap one another users may roam seamlessly from cell to cell The Workstation Adapters decide when a mobile user becomes di...

Страница 20: ...AND BRIDGES Figure 3 1 Wireless Ethernet Hub LW001A or LW007A Installed on Wall The Wireless Ethernet Hub contains an embedded SNMP agent that lets you manage it from the LAN Management Information Base Software upgrades are downloaded by TFTP ...

Страница 21: ...19 3 MBPS WIRELESS ETHERNET HUBS ADAPTERS AND BRIDGES Figure 3 2 Wireless Ethernet Hub LW001A or LW007A Installed on Shelf ...

Страница 22: ...bles plug and play installation The LW002A and LW008A function exactly the same way but the LW002A has permanently attached antennas and the LW008A has detachable antennas The Workstation Adapter can communicate with any other workstation adapters in its coverage area or via the Wireless Ethernet Hub to all of the network resources such as file servers printers and shared databases The Workstation...

Страница 23: ...DGES Figure 3 3 Workstation Adapter LW002A or LW008A The network stays connected while you roam between overlapping coverage areas plus you get continuous transmission and reception while moving at high speed without losing or duplicating data packets ...

Страница 24: ...UN HP IBM and Apple computers The Adapter is transparent to the workgroup computers hardware and software The LW003A and LW009A function exactly the same but the LW003A has permanently attached antennas and the LW009A has detachable antennas The 4 Port Workstation Adapter lets connected workstations communicate with other Wireless Ethernet stations in its coverage area or via the Wireless Ethernet...

Страница 25: ...PTERS AND BRIDGES The 4 Port Workstation Adapter contains an embedded SNMP agent and software downloading capabilities that let you manage it from the LAN Management Information Base Figure 3 4 4 Port Workstation Adapter LW003A or LW009A ...

Страница 26: ...h the Wireless Ethernet Hub LW007A of the remote LANs This effectively creates an extended wireless network spanning sites situated up to 7 miles apart In this way a central Ethernet LAN may be connected with one or more branch office LANs The Wireless Bridge also allows connectivity between a wireless LAN and individual workstations or workgroups located outside the LAN WIRELESS ETHERNET HUB FOR ...

Страница 27: ...laptop pen based etc containing a PCMCIA Release 2 1 Type II slot into a wireless LAN station The LW006A adapter can communicate with any other wireless station in its coverage area and can access all of the network resources like file servers printers and shared databases via the Wireless Ethernet Hub LW005A covered in a separate manual The network stays connected while you roam between overlappi...

Страница 28: ...IDGE FOR PCMCIA ADAPTER LW005A The Wireless Bridge for PCMCIA Adapter is covered in a separate user manual OPTIONAL ANTENNAS LW011A AND LW012A The 6 dBi Omnidirectional Antenna LW011A and the Unidirectional Antenna LW012A work only with the LW005A and LW007A Hubs LW008A and LW009A Adapters and LW010A Bridge ...

Страница 29: ...ional software or hardware installation is required After connecting the units to the power supply and connecting the Hubs to the wired LAN your Wireless Ethernet system is ready to operate Flexibility The wireless Ethernet LAN provides an effective communication solution for Campus environments Temporary or leased offices Trade shows Manufacturing environments Hospital applications Harbors and ai...

Страница 30: ...ireless Ethernet LAN cell gives instant add on capability to your wired LAN for temporary or permanent expansion Technical Advantages High data rate of 3 Mbps with automatic fallback to 2 and 1 Mbps License free use 2 4GHz ISM band FHSS 15 Mbps aggregate throughput in the same coverage area by multiple Hubs Antenna diversity and DSP modem ensure robust communication Software including modem module...

Страница 31: ...ce the Hub Connect to the power supply Connect to the Ethernet backbone Check functionality using the LED indicators Step 1 Check to make sure the package contains the components you will need The package you received should contain the following components The Wireless Ethernet Hub LW001A or LW007A complete with two omnidirectional antennas A 5 VDC power supply transformer ...

Страница 32: ...ition the Hub The Wireless Ethernet LAN products are robust trouble free units designed to operate efficiently under a wide range of conditions The following guidelines are recommendations to help you position the Hubs to ensure optimum coverage and operation of the Wireless Ethernet LAN Height Install the Hub at least 4 9 ft 1 5 m above the floor clearing any high office partitions or tall pieces...

Страница 33: ...a large room At the center of a corridor At the intersections of two corridors Many modern buildings have metallic partitions We recommend that you install the Hubs in the corridor ceilings The radio waves propagated by the Wireless Ethernet LAN may be reflected along the metal partitions and enter the offices through the doors or glass sections Metal Furniture Position the Hubs well clear of meta...

Страница 34: ...TERS AND BRIDGES Heat Sources Keep the Hub well away from sources of heat such as radiators air conditioners etc Microwave Ovens Place the Hubs well clear of radiation sources that emit in the 2 4 GHz frequency band such as microwave ovens ...

Страница 35: ...APTERS AND BRIDGES Step 3 Connect the Hub to the Power Supply Connect the supplied power transformer to an external power supply at 110 or 220 VAC The unit operates on a power input of 5 VDC 1200 mA Figure 4 1 Connecting to Power Supply ...

Страница 36: ...he Hub to the Ethernet Backbone Attach one end of a regular uncrossed Ethernet connector cable not supplied to the RJ 45 port on the back panel of the Hub marked UTP Attach the other end of the connector cable to any available Ethernet Hub outlet Figure 4 2 Hub Back Panel ...

Страница 37: ... Figure 4 3 Connecting the Hub to the Ethernet Backbone Step 5 Check Hub Functionality Using LED Indicators The following aspects of Hub functionality are checked using the LEDs on the front panel Power supply Radio interference Ethernet activity LAN load ...

Страница 38: ...icators PWR Power supply Power on test Off During power on Blinks After failed power on On After successful power on INFR Radio interference Off No interference Blinks Interference present ETHR Ethernet activity Off No activity on the Ethernet Port Blinks Activity on the Ethernet Port ...

Страница 39: ...37 3 MBPS WIRELESS ETHERNET HUBS ADAPTERS AND BRIDGES LOAD L M H No of associated stations No stations 1 4 stations 5 8 stations 9 or more stations QLT H M L QLT H M L QLT H M L QLT H M L ...

Страница 40: ...s a plug and play procedure All you need to get up and running is to connect the power supply to the Adapter and to connect the Adapter to your computer You can make sure the Adapter is fully operational by checking the LED indicators as described in Step 5 on page 44 To complete the installation process you will need one Ethernet connector cable with an RJ 45 connector at each end Step 1 Check to...

Страница 41: ...ply transformer This User s Manual Figure 4 5 Back Panel of the Adapter Step 2 Connect the Adapter to the power supply Connect the power transformer to an external power outlet at 110 or 220 VAC Connect the output jack of the power transformer to the DC input socket on the back panel of the Adapter The unit operates on a power input of 5 VDC 1200mA ...

Страница 42: ...40 3 MBPS WIRELESS ETHERNET HUBS ADAPTERS AND BRIDGES Figure 4 6 Connecting to the Power Supply ...

Страница 43: ... RJ 45 connector at one end of a regular uncrossed Ethernet cable to the UTP port on the back panel of the Adapter Connect the RJ 45 connector on the other end of the Ethernet cable to the input socket of the Ethernet Network Interface Card on the back panel of your computer Figure 4 7 Connecting the Adapter to a Workstation ...

Страница 44: ... doors Microwave Ovens Make sure that your Adapter is well clear of radiation sources that emit in the 2 4 GHz frequency band such as microwave ovens Antennas Make sure the antennas are extended vertically in relation to the floor Heat Sources Keep your Adapter clear of heat sources such as radiators or ventilation outlets Step 5 Check functionality using the LED indicators LEDs on the front panel...

Страница 45: ...igure 4 8 Front Panel LED Indicators Front Panel LED indicators PWR Power supply Power on test Off During power on Blinks After failed power on On After successful power on WLNK Off Scanning for Hub On Synchronized with Hub ETHR Off No activity on the Ethernet port Blinks Activity on the Ethernet port ...

Страница 46: ...ND BRIDGES QLT L M H Very low quality reception Low quality reception Medium quality reception High quality reception NOTE The QLT LEDs will also not light if the workstation is not synchronized with a Hub QLT H M L QLT H M L QLT H M L QLT H M L ...

Страница 47: ... computer You can make sure the Adapter is fully operational by checking the LED indicators as described in Step 5 on page 53 To complete the installation process you will need one Ethernet connector cable with an RJ 45 connector at each end for each workstation to be connected Step 1 Check to make sure the package contains the components you will need The package you received should contain the f...

Страница 48: ...46 3 MBPS WIRELESS ETHERNET HUBS ADAPTERS AND BRIDGES Figure 4 9 Front and Back Panels of the 4 Port Workstation Adapter ...

Страница 49: ... power supply Connect the power transformer to an external power outlet at 110 or 220 VAC Connect the output jack of the power transformer to the DC input socket on the side panel of the Adapter The unit operates on a power input of 5 VDC 1200 mA Figure 4 10 Connecting to the Power Supply ...

Страница 50: ...r workstation Connect the RJ 45 connector at one end of a regular uncrossed Ethernet cable to any available port on the front panel of the Adapter Connect the RJ 45 connector on the other end of the Ethernet cable to the input socket of the Ethernet Network Interface Card on the back panel of your computer ...

Страница 51: ...49 3 MBPS WIRELESS ETHERNET HUBS ADAPTERS AND BRIDGES Figure 4 11 Connecting the Adapter to a Workstation ...

Страница 52: ...tallic fans or metallic doors Microwave Ovens Make sure that your Adapter is well clear of radiation sources that emit in the 2 4 GHz frequency band such as microwave ovens Antennas Make sure the antennas are extended vertically in relation to the floor Heat Sources Keep your Adapter clear of heat sources such as radiators or ventilation outlets Fan The 4 Port Workstation Adapter has a cooling fan...

Страница 53: ...ing the LED indicators LEDs on the front and back panels of the Adapter indicate the following Front panel LED indicators Workstation connected Ethernet activity on each of the four ports Figure 4 12 LED Indicators on the Front Panel of the 4 Port Workstation Adapter Front panel LEDs ...

Страница 54: ...AND BRIDGES Back panel LED indicators Power supply and self test Wireless LAN link established by synchronization with a Hub Ethernet activity detected Reception quality Figure 4 13 Indicators on the Back Panel of the 4 Port Workstation Adapter ...

Страница 55: ... BRIDGES PWR Power supply Power on test Off During power on Blinks After failed power on On After successful power on WLNK Off Scanning for Hub On Synchronized with Hub ETHR Off No activity on the Ethernet port Blinks Activity on the Ethernet port ...

Страница 56: ...ND BRIDGES QLT L M H Very low quality reception Low quality reception Medium quality reception High quality reception NOTE The QLT LEDs will also not light if the workstation is not synchronized with a Hub QLT H M L QLT H M L QLT H M L QLT H M L ...

Страница 57: ... to any available outlet of the Ethernet LAN You can make sure the Wireless Bridge is fully operational by checking the LED indicators as described in Step 5 on page 62 To complete the installation process you will need a 10BASE T Ethernet cable with an RJ 45 connector at each end Step 1 Check to make sure the package contains the components you will need The package you received should contain th...

Страница 58: ...dge Step 2 Connect the Wireless Bridge to the power supply Connect the power transformer to an external power outlet at 110 or 220 VAC Connect the output jack of the power transformer to the DC input socket on the back panel of the Wireless Bridge The unit operates on a power input of 5 VDC 1200 mA ...

Страница 59: ...gure 4 15 Connecting to the Power Supply Step 3 Connect the Wireless Bridge to the Hub or to any available outlet of the Ethernet LAN Connect the RJ 45 connector at one end of a regular uncrossed Ethernet cable to the UTP port on the back panel of the Bridge ...

Страница 60: ...RNET HUBS ADAPTERS AND BRIDGES Connect the RJ 45 connector on the other end of the Ethernet cable to the Ethernet Hub or to any available Ethernet outlet Figure 4 16 Connecting the Wireless Bridge to an Ethernet Hub or Outlet ...

Страница 61: ... information on selecting installing and mounting antennas see Section 4 9 Metal Furniture Position your Bridge well clear of metallic furniture and far from moving objects such as metallic fans or metallic doors Microwave Ovens Make sure that your Bridge is well clear of radiation sources that emit in the 2 4 GHz frequency band such as microwave ovens Heat Sources Keep your Bridge clear of heat s...

Страница 62: ...rs The following aspects of Wireless Bridge functionality are checked using the LEDs on the front panel Power supply and self test Wireless LAN link established by synchronization with a Hub Ethernet activity detected Reception quality Figure 4 17 LED Indicators on the Front Panel of the Wireless Bridge ...

Страница 63: ... panel LED indicators PWR Power supply Power on test Off During power on Blinks After failed power on On After successful power on WLNK Off Scanning for Hub On Synchronized with Hub ETHR Off No activity on the Ethernet port Blinks Activity on the Ethernet port ...

Страница 64: ... AND BRIDGES QLT L M H Very low quality reception Low quality reception Medium quality reception High quality reception NOTE The QLT LEDs will also not light if the Bridge is not synchronized with a Hub QLT H M L QLT H M L QLT H M L QLT H M L ...

Страница 65: ...e wireless workstations associated with it You can convert most workstations PCs X Terminals Apple Digital Sun HP IBM and others that are equipped with an Ethernet network interface card to wireless workstations by simply connecting a Workstation Adapter LW002A or LW008A NOTE Installation procedures for the Workstation Adapter are described in Section 4 3 ...

Страница 66: ...asic Wireless Ethernet cell 1 Place the Hub as high as possible on a wall or on a high stand or attach it to the ceiling with a mounting bracket 2 Follow the installation procedures described in Section 4 2 3 Install a Workstation Adapter on the first workstation you wish to convert to a wireless workstation ...

Страница 67: ...djust the location of the Hub 5 Install the next Workstation Adapter LW002A or 4 Port Workstation Adapter LW003A and verify the Received Signal Strengths Area Coverage Considerations When planning the coverage areas of Wireless Ethernet cells consider the following factors Construction Materials The area of a cell is influenced by the construction materials of the walls the partitions ceilings and...

Страница 68: ...glass plastic and bricks reflect part of the radio signals and allow part of the signals to pass through them Water and objects containing a lot of moisture absorb a large part of the radio signals Figure 4 19 Wireless Ethernet LAN in Typical Office Environment ...

Страница 69: ... areas can be classified 1 Open Indoor Areas Open office areas with no partitioning and no obstacles between the Hub and the Wireless Ethernet workstation Suggested maximum distance between Hub and workstation 150 m 500 ft With high gain antennas 250 m 800 ft 2 Semi open Indoor Areas An open plan office divided into cubicles Factory floor areas warehouses etc Suggested maximum distance between Hub...

Страница 70: ...onment 3 Closed Indoor Areas A floor divided into Wireless Ethernet individual offices by concrete or masonry walls or a house Suggested maximum distance between Hub and workstation 50 m 160 ft 4 Open Outdoor Areas Open outdoor areas with unobstructed line of sight between the Hub and the Wireless Ethernet workstation ...

Страница 71: ...600 ft With high gain antennas 800 m 2500 ft 4 6 Setting up Overlapping Wireless Ethernet Cells When two adjacent Hubs are positioned close enough to each other a wireless Ethernet part of the coverage area of Hub 1 will overlap the coverage area of Hub 2 This overlap area has two important attributes 1 Any workstation situated in the overlapping area can communicate with both Hub 1 and Hub 2 2 An...

Страница 72: ...result in a larger or smaller overlap area 3 Set the hopping sequence of the second Hub so that each Hub has its own different hopping sequence For more information refer to Hopping Sequence in Section 5 1 5 4 Set up a wireless workstation at a point approximately equidistant from the two Hubs using the procedures described in Section 4 2 5 Temporarily disconnect the second Hub from the power supp...

Страница 73: ...s until the required area is covered NOTE Hubs transmit signals management frames all the time with or without an Ethernet connection 4 7 Associating with a Hub After installation your Adapter or Bridge will automatically begin scanning for a Wireless Hub in the area Once a Hub is located the Adapter or Bridge will synchronize itself to the frequencies being used and establish association with the...

Страница 74: ...e Adapters establish association you can communicate with all the other wireless stations in the cell and via the Hub s Ethernet connection with all the network facilities Once the Bridge establishes association the Hub starts forwarding data packets to the wireless LANs connected to the Wireless Bridge ...

Страница 75: ...verage areas overlap A workstation situated in an overlapping coverage area can associate with any one of the covering Hubs The process of selecting with which Hub to associate is performed automatically by the Adapter However if your workstation is located within the coverage area of more than one Hub and your reception quality is low you may get better reception if you move your station to a sli...

Страница 76: ...r and Wireless Bridge are each available in two models that are identical except for their antennas The Wireless Hub LW001A Workstation Adapter LW002A 4 Port Workstation Adapter LW003A and Wireless Bridge LW004A are all supplied with two integral 2 dBi omnidirectional antennas These antennas are intended for indoor installations with short to medium distances between sites ...

Страница 77: ...for use in the USA LW012AE for use in Europe The LW011A and the LW012A each include a single antenna This receive transmit antenna is suitable for all indoor applications as well as for most outdoor short to medium range ground level applications where antenna diversity is required Both are supplied complete with cables for either USA or Europe 6 DBI OMNI DIRECTIONAL ANTENNA LW011A OR LW011AE The ...

Страница 78: ...ters RG 214 cable complete with assembled sections and connectors SMA male connector on one end connects to the LW007A LW008A LW009A or LW010A N type connector on other end Figure 4 23 One LW011A 6 dBi omnidirectional antenna connected to an LW010A external antenna port ...

Страница 79: ...12A OR LW012AE The 8 5 dBi Unidirectional Antenna LW012A has a wide beam width 75 degrees horizontal 50 degrees vertical and is intended for both indoor and outdoor installations for short to medium distances between sites This includes one transmit receive 8 5 dBi directional antenna together with the appropriate cables and connectors USA LW012A 5 meters RG 58 U cable complete with assembled sect...

Страница 80: ...he other end connects to antenna Figure 4 24 One LW012A 8 5 dBi unidirectional antenna connected to an LW010A external antenna port Europe LW011AE 6 meters RG 58 cable complete with assembled connectors SMA male connector on one end connects to the LW007A LW008A LW009A or LW010A ...

Страница 81: ...e installed ONLY by experienced antenna installers who are familiar with local buildings and safety codes and wherever necessary are licensed by appropriate government regulators EXTENSION CABLES The cables supplied with the antenna sets are generally sufficient for most window or wall antenna installations Extension cables of 5 10 15 and 20 meters are available Call for technical support for more...

Страница 82: ...some of the default parameters to get additional functionality There are two ways to set the parameters and or the monitoring status of the station 1 Using an SNMP Management Information Base 2 Using a local monitor SNMP Manager The Wireless Ethernet Hubs and Station Adapters contain an embedded SNMP agent The advanced setup functions described on the following pages can also be accessed from the ...

Страница 83: ...cess the Hub parameters from an ASCII ANSI terminal or a PC using a terminal emulation program such as the Windows Terminal or ProComm You can access the advanced setup functions by connecting a terminal to the back panel of the Hub Figure 5 1 Connecting Terminal Cable to COM Port with a 9 Pin Connector ...

Страница 84: ...82 3 MBPS WIRELESS ETHERNET HUBS ADAPTERS AND BRIDGES Figure 5 2 Connecting Terminal Cable to COM Port with a 25 Pin Connector ...

Страница 85: ...9600 Data bits 8 Stop bits 1 Parity None Flow control None Connector Available Com port The following procedure uses the Windows Terminal emulation program as an example 1 Connect the RS 232 3 pin connector at one end of the monitor cable to the MON port on the back panel of the Hub 2 Connect the other end of the cable to a serial port of a PC COM Port see Figures 5 1 and 5 2 3 Open Windows 4 Doub...

Страница 86: ...84 3 MBPS WIRELESS ETHERNET HUBS ADAPTERS AND BRIDGES The Terminal screen appears Figure 5 3 Terminal Icon in Windows Program Manager ...

Страница 87: ...85 3 MBPS WIRELESS ETHERNET HUBS ADAPTERS AND BRIDGES 5 Select Communication from the Setup menu The communication dialog box opens Figure 5 4 Windows Terminal Communication Dialog Box ...

Страница 88: ... Select the following settings Baud rate 9600 Data bits 8 Stop bits 1 Parity None Flow control None Connector Available Com port 7 Click OK The Hub Advanced Setup Main Menu opens Figure 5 5 Terminal Screen Showing Hub Main Menu and System Configuration Menu ...

Страница 89: ... such as station parameters and IP addresses These menus are the only advanced setup menus needed by users and System Administrators 1 System Configuration sub menus 1 1 Station Status 1 2 IP Addresses 1 2 1 Setting IP address for bridge 1 2 2 Setting IP net mask for bridge 1 2 3 Setting IP address for default gateway 1 2 4 Viewing current IP values 1 3 WLAN Parameters 1 3 1 Hopping Sequence 1 3 2...

Страница 90: ...n advanced system functionality and troubleshooting functions are for technical support personnel only 3 Testing Menus Items relating to packet transmission statistics radio and modem parameters and tests These tests are performed by technical support personnel only 4 Access Control Menus The Access Control menus let the Network Administrator limit access to the Advanced Setup menus to users in wh...

Страница 91: ...ing procedures to make selections from the System Configuration menus To make selections from the menus 1 Select one of the items from the menu Type 1 to select the Station Status menu Type 2 to select the IP Addresses menu Type 3 to select the WLAN Parameters menu Type 4 to select the Station Control menu The selected sub menu appears 2 Press Esc at any stage to return to the previous menu 3 You ...

Страница 92: ...dress Number of Current Associations This indicates how many stations are currently associated with this Hub To access the Current Station Parameters 1 From the System Configuration menu select 1 Station Status The Station Parameters menu opens 2 From the Station Parameters menu select 1 Current Station Configuration The Current Station Parameters are displayed ...

Страница 93: ...oading files TFTP Every Hub needs an IP Address to be assigned to it for management purposes 1 Station Status 2 IP related items 3 WLAN Parameters 4 Station Control Select option 1 EthAirNet Hub Integration s PC Revision 1 144 Date 03 Sep 1995 16 25 54 Station Parameters menu 1 Current Station Configuration Select option 1 Station Node Hub Station NW Address 00 20 D6 00 38 2C Current number of Ass...

Страница 94: ...s Ethernet Hubs send the traffic through the default IP gateway The gateway IP address should also be specified if such access is required To set the Hub IP parameters 1 From the System Configuration menu type 2 The IP menu appears 2 From the IP menu select the required item as follows Type 1 to change IP address Type 2 to change IP net mask Type 3 to change IP address for default gateway Type 4 t...

Страница 95: ... 144 Date 03 Sep 1995 16 25 54 System Configuration 1 Station Status 2 IP related items 3 WLAN Parameters 4 Station Control Select option 2 EthAirNet Hub Integration s PC Revision 1 144 Date 03 Sep 1995 16 25 54 IP menu 1 IP address 2 IP net mask 3 IP address for default gateway 4 Current values as stored in non volatile ram Select option ...

Страница 96: ...ADAPTERS AND BRIDGES Figure 5 8 IP Addresses Current Values To change one of the IP addresses 1 In the selected sub menu type in the IP address using the convention of 4 groups of 3 digits separated by dots For example 234 111 111 111 ...

Страница 97: ...et for the Hub The stations learn it from the Hub at the association process Changing this parameter is useful when several Hubs are co located This reduces the probability of frame collision between co located cells Range The Hopping Sequence must be in the range between 1 and 22 Default Value The default value is 1 Access Rights This value is read write on the Hub and read only on the stations ...

Страница 98: ...an ASCII string used for identifying a Wireless LAN in order to prevent unintentional merging of two co located Wireless LANs It is the Network Manager s responsibility to set the same value for all the stations in one Extended Wireless LAN Range Any printable string up to 30 characters Default Wireless Ethernet LAN Access Rights This parameter is read write on stations and Hubs ...

Страница 99: ...r at 1 Mbps 2 Mbps or 3 Mbps The station dynamically selects the highest possible rate for transmission In certain conditions you may decide not to use the higher rates this could be for compatibility reasons or for range speed trade off Range The Maximum Data Rate may be 1 2 or 3 Mbps Default The default value is 3 Mbps Operation Changes to this parameter will become effective from the next reset...

Страница 100: ...sually it operates from a static environment Stationary The station does not move The Wireless Ethernet stations will optimize their roaming algorithms according to the mobility mode parameter For example a stationary station is more tolerant of bad propagation conditions and assumes that they are probably temporary and not caused by a station changing position To start a roaming procedure in such...

Страница 101: ...09A AND LW010A models are supplied with two customized connectors for use with either one or two medium or high gain external antennas The Advanced Setup software of these models includes a Transmit Diversity option allowing a choice between selecting a single antenna Antenna 1 or 2 or Intelligent Antenna Selection which selects the best received signal from two antennas Medium gain antennas 6 dBi...

Страница 102: ... main application of these high gain antennas is point to point long distance bridging You can select one of three antenna modes 0 Intelligent Antenna Selection The unit constantly monitors the received signal from both the antennas and selects the received signal from the antenna with the highest receive signal strength This antenna is then used for transmitting the next packet 1 Select Antenna 1...

Страница 103: ...101 3 MBPS WIRELESS ETHERNET HUBS ADAPTERS AND BRIDGES To set the Hub WLAN parameters 1 From the System Configuration menu type 3 The WLAN Parameters menu appears Figure 5 9 WLAN Parameters Menu ...

Страница 104: ...llows Type 1 to set the Hopping Sequence Type 2 to set the Network ID Type 3 to set the Max Data Rate Type 4 to set the Mobility Type 5 to set the Power Level Type 6 to set the Transmit Diversity option Type S to display the current WLAN parameters 3 Enter the parameters for each option as shown in the following table ...

Страница 105: ...ce 1 22 Network ID Enter up to 32 printable ASCII characters Max Data Rate Enter exactly 1 decimal digit Allowed range 1 3 Mobility 0 Stationary 1 Portable 2 Mobile Power Level 0 Minimum power 1 Maximum Power Transmit Diversity 0 Intelligent antenna selection 1 Select antenna 1 2 Select antenna 2 ...

Страница 106: ...104 3 MBPS WIRELESS ETHERNET HUBS ADAPTERS AND BRIDGES Figure 5 10 Current WLAN Parameters ...

Страница 107: ...he following functions System Reset This function resets the Hub and accepts any changes that you have made to the system parameters Set Factory Defaults This function changes all the system parameters back to their original factory default settings Appletalk Tunneling Sets the Appletalk tunneling The default selection is 1 Enable ...

Страница 108: ...ws to exist in the Wireless LAN behind the Wireless Bridge 1 Negative Bridging Negative bridging allows transmission of all packets except those sent to stations that the LW001A recognizes as being on its wired Ethernet side 2 Intelligent Mode The intelligent mode selects positive bridging if the station is configured as an LW002A or LW003A or negative bridging if the station is configured as a LW...

Страница 109: ...4 The Station Control menu appears Figure 5 11 Station Control Menu Table 5 2 Station Control Menu Parameters System Reset 0 Cancel Request 1 Reset System Set Factory Defaults 0 Cancel Request 1 Load Default Value Enable AppleTalk Tunneling 0 Disable 1 Enable Positive Bridging 0 Positive bridging 1 Negative Bridging 2 Intelligent mode ...

Страница 110: ...enu The Access Control menu allows the Network Administrator to limit access to the Advanced Setup menus to users in possession of the current Password To reach the Access Control menu From the Main menu select 4 The Access Control menu appears Figure 5 12 Access Control Menu ...

Страница 111: ...Password Change Access Rights Determines whether user has access rights to Advanced Setup Menus Range Read write or read only Default Read write all permitted parameters can be changed by user Operation Change from Read Only to Read Write by typing the Password The access rights will change back to Read Only when any incorrect password is given in this or the next option ...

Страница 112: ... entered by any user having access rights however a user attempting to enter an incorrect password will cause the access rights to be changed to Read Only NOTE Make sure to keep a record of the current password to prevent accidentally losing access rights to Advanced Setup Menus If this happens call your supplier for technical support ...

Страница 113: ...1000 Park Drive Lawrence PA 15055 1018 724 746 5500 Fax 724 746 0746 Copyright 1998 Black Box Corporation All rights reserved ...

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