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Black Box LW001A Manual

Black Box LW001A Manual

3-mbps wireless ethernet hubs, adapters, and bridges
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3-Mbps Wireless Ethernet
Hubs, Adapters, and Bridges
CUSTOMER SUPPORT INFORMATION
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com
LW001A LW004A
LW002A LW005A
LW003A LW007A
D
L O A
H
M
P W R
L
I N F R
R
E T H
Q L T
H
M
P W R
K
L
W L N
R
E T H
Q L T
H
M
P W R
L
K
W L N
R
E T H
Q L T
H
M
P W R
L
K
W L N
R
E T H
FEBRUARY 1998
LW008A
LW009A LW011AE
LW010A
LW012AE
l e s s
W i r e
H u b
r n e t
E t h e
t i o n
k s t a
W o r
p t e r
A d a
l e s s
W i r e
g e
B r i d
LW011A
LW012A

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Summary of Contents for Black Box LW001A

  • Page 1 Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500) FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 Web site: www.blackbox.com • E-mail: info@blackbox.com...

  • Page 3: Specifications

    Industrie Canada. The LW001A, LW005A, and LW007A are certified. The LW001A, LW005A, and LW007A are UL 19.50 approved. The LW002A, LW003A, LW004A, LW008A, LW009A, and LW0010A are UL, UL/C, and TUV/GS approved. All models are ETS 300-328 and VDE Class B approved.
  • Page 4 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES NORMAS OFICIALES MEXICANAS (NOM) ELECTRICAL SAFETY STATEMENT INSTRUCCIONES DE SEGURIDAD 1. Todas las instrucciones de seguridad y operación deberán ser leídas antes de que el aparato eléctrico sea operado. 2. Las instrucciones de seguridad y operación deberán ser guardadas para referencia futura.
  • Page 5 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 10. El equipo eléctrico deber ser situado fuera del alcance de fuentes de calor como radiadores, registros de calor, estufas u otros aparatos (incluyendo amplificadores) que producen calor. 11. El aparato eléctrico deberá ser connectado a una fuente de poder sólo del tipo descrito en el instructivo de operación, o como se indique en el aparato.
  • Page 6 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES TRADEMARKS Apple ® is a registered trademark of Apple Computer, Inc. Digital™ is a trademark of Digital Equipment Corporation. ® is a registered trademark of Hewlett-Packard. is a registered trademark of International ® Business Machines Corporation.

  • Page 7: Table Of Contents

    Product Line...16 3.2 Features of Wireless LANs ...27 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...
  • Page 8 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 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...

  • Page 9: Specifications

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 1. Specifications All specifications apply to Hub models LW001A, LW005A, and LW007A, Adapter models LW002A, LW003A, LW008A, and LW009A, and Bridge models LW004A and LW010A, unless otherwise noted. Radio/Modem Frequency—2.4 to 2.4835 GHz Radio type—Spread spectrum, Frequency...
  • Page 10 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Range, open air (LW004A, LW010A)—Up to 7 miles (10 km) Antenna diversity—LW001A, LW002A, LW003A, LW005A: 2 attached antennas, 2 dBi omni; LW007A, LW008A, LW009A: 2 detached antennas, 2 dBi omni; LW004A: 1 or 2 attached antennas, 2 dBi omni;...
  • Page 11 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Standards—IEEE 802.3, IEEE 802.1d, Transparent to network protocols (IP, IPX, Appletalk, 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...
  • Page 12 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Security (LW004A, LW010A): Encryption—802.11 compatible Authentication—Network ID, 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...
  • Page 13 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Management (LW003A, LW009A): SNMP agent—MIB-1 and II, bridge MIB, Private Wired 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)
  • Page 14 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, 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...
  • Page 15 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Approvals (LW001A, LW005A, LW007A): UL 19.50 FCC Part 15 ETS 300-328 VDE Class B Approvals (LW002A, LW003A, LW004A, LW008A, LW009A, LW010A): UL, UL/C, TUV/GS FCC Part 15 ETS 300-328 VDE Class B...

  • Page 16: Quick-Start Setup And Operation For The Hub

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 2. Quick Start Setup and Operation for the Hub Use the following steps to get up and running with your 3-Mbps Wireless Ethernet Hub. (For more detailed procedures, see Section 4.1.) 1. Position the Hub in a high, central location, well away from moving objects and metal furniture.
  • Page 17 3-MBPS WIRELESS ETHERNET 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)

  • Page 18: Introduction

    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 PCMCIA Wireless Adapter (LW006A). Any reference in this manual to the LW001A also applies to the LW005A.
  • Page 19 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES The LW001A and LW007A function exactly the same way, but the LW001A has permanently attached antennas, and the LW007A has detachable antennas. A third Hub, LW005A (which is covered in a separate manual), has the same hardware as the LW007A, but different software.
  • Page 20 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, 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...
  • Page 21 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 3-2. Wireless Ethernet Hub (LW001A or LW007A) Installed on Shelf.
  • Page 22 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES IRELESS THERNET LW008A) The LW002A is a wireless LAN adapter that converts any 10BASE-T Ethernet equipped computer (including PCs, X-Terminals, Digital™, Sun, HP ® , and Apple LW002A is transparent to the computer’s hardware and software.
  • Page 23 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 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.
  • Page 24 The 4-Port Workstation Adapter lets connected workstations communicate with other Wireless Ethernet stations in its coverage area, or via the Wireless Ethernet Hub (LW001A or LW007A) to all of the network resources such as file servers, printers and shared databases. The 4-Port Workstation...

  • Page 25: Management Information Base

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, 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).
  • Page 26 LW004A has permanently attached antennas, and the LW010A has detachable antennas. The LW004A communicates with the Wireless Ethernet Hubs (LW001A) of the remote LANs, and the LW010A communicates with the Wireless Ethernet Hub (LW007A) of the remote LANs. This effectively creates an extended wireless network spanning sites situated up to 7 miles apart.
  • Page 27 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES PCMCIA W IRELESS The LW006A adapter, which is covered in detail in a separate user manual, gives the portable computer user complete mobility, allowing seamless roaming throughout the wireless LAN campus. The PCMCIA Wireless Adapter converts any portable computer (notebook, laptop, pen-based, etc.) containing a PCMCIA Release 2.1 Type II slot into a wireless LAN station.
  • Page 28 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 3-5. PCMCIA Wireless Adapter (LW006A). PCMCIA A (LW005A) IRELESS RIDGE FOR DAPTER The Wireless Bridge for PCMCIA Adapter is covered in a separate user manual. (LW011A LW012A) PTIONAL NTENNAS 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.

  • Page 29: Features Of Wireless Lans

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 3.2 Features of Wireless Ethernet LANs • Saves cabling costs—The wireless Ethernet LAN saves you cabling costs that can amount to up to 40% of your LAN installation cost. • Plug-and-play installation—No additional software or hardware installation is required.
  • Page 30 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES • Workstation mobility—Notebook and pen-based computer users can roam throughout the Wireless Ethernet campus. As long as the coverage areas are overlapping this mobility is seamless. Users maintain their network connection while roaming from cell to cell. •...

  • Page 31: Setting Up The Lan

    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.
  • Page 32 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES • A monitor connector cable. (This is for connecting the Hub and the Workstation Adapter [LW002A, LW003A, LW008A, or LW009A] to a monitor for performing the advanced setup functions described in Chapter 5). •...
  • Page 33 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Antennas Make sure the antennas are extended vertically in relation to the floor. Central Location Install the Hub in a central location in the coverage area you intend to include in the cell. Good positions are: •...
  • Page 34 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, 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.
  • Page 35 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, 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).
  • Page 36 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Step 4: Connect the 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.

  • Page 37: Radio Interference

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 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 •...
  • Page 38 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 4-4. Front-Panel LED Indicators. 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...
  • Page 39 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES LOAD (L,M,H) (No. of associated stations) Q LT No stations 1-4 stations 5-8 stations 9 or more stations...

  • Page 40: Installing The Workstation Adapter (Lw002A Or Lw008A)

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Verifying the Ethernet Connection Once the Hub is connected to an Ethernet outlet, the ETHR LED on the front panel will blink when sensing LAN traffic, thus verifying the Ethernet connection. 4.2 Installing the Workstation Adapter (LW002A or LW008A) Installing the Adapter is a plug-and-play procedure.
  • Page 41 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES • Workstation Adapter (LW002A or LW008A), complete with two omnidirectional antennas. • 5 VDC power supply transformer. • This User’s Manual. Figure 4-5. Back Panel of the Adapter. Step 2: Connect the Adapter to the power supply. •...
  • Page 42 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 4-6. Connecting to the Power Supply.
  • Page 43 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Step 3: Connect the Adapter to your computer or workstation. • Connect the RJ-45 connector at one end of a regular (uncrossed) Ethernet cable, to the UTP port on the back panel of the Adapter. •...
  • Page 44 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Step 4: Position Your Adapter You will get the best results if you choose a position for your Adapter, keeping the following points in mind: • Metal Furniture—Position your Adapter well clear of metallic furniture and far from moving objects such as metallic fans or metallic doors.
  • Page 45 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES • Ethernet activity detected. • Reception quality. Figure 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...
  • Page 46 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES QLT (L, M, H)) Q LT Very-low-quality reception Low-quality reception Medium-quality reception High-quality reception The QLT LEDs will also not light if the workstation is not synchronized with a Hub. NOTE...

  • Page 47: Installing The 4-Port Workstation Adapter (Lw003A Or Lw009A)

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 4.3 Installing the 4-Port Workstation Adapter (LW003A or LW009A) The 4-Port Workstation Adapter (LW003A or LW009A) is a plug-and-play installation. 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.
  • Page 48 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 4-9. Front and Back Panels of the 4-Port Workstation Adapter.
  • Page 49 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 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 side panel of the Adapter.
  • Page 50 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Step 3: Connect the 4-Port Adapter to your computer or 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.
  • Page 51 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 4-11. Connecting the Adapter to a Workstation.
  • Page 52 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Step 4: Position the 4-Port Adapter You will get the best results if you keep the following points in mind when you choose a position for your adapter: • Metal Furniture—Position your Adapter well clear of metallic furniture and far from moving objects such as metallic fans or metallic doors.
  • Page 53 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Step 5: Check functionality using 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.
  • Page 54 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, 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.
  • Page 55 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND 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...
  • Page 56 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES QLT (L, M, H)) Q LT Very-low-quality reception Low-quality reception Medium-quality reception High-quality reception The QLT LEDs will also not light if the workstation is not synchronized with a Hub. NOTE...

  • Page 57: Installing The Wireless Bridge (Lw004A Or Lw010A)

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 4.4 Installing the Wireless Bridge (LW004A or LW010A) The Wireless Bridge (LW004A or LW010A) is a plug- and-play installation. All you need to get up and running is to connect the power supply to the Bridge and to connect the Bridge directly to the Hub or to any available outlet of the Ethernet LAN.
  • Page 58 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 4-14. Front Panel of the Wireless Bridge. Step 2: Connect the Wireless Bridge to the power supply. • Connect the power transformer to an external power outlet at 110 or 220 VAC. •...
  • Page 59 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 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.
  • Page 60 3-MBPS WIRELESS ETHERNET 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.
  • Page 61 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Step 4: Position the Wireless Bridge and the Antennas You will get the best results if you choose a position for your Wireless Bridge, keeping the following points in mind: • Antennas—For detailed information on selecting, installing and mounting antennas, see Section 4.9.
  • Page 62 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Step 5: Check functionality using the LED indicators. 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 •...
  • Page 63 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 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...
  • Page 64 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES QLT (L, M, H)) Q LT Very-low-quality reception Low-quality reception Medium-quality reception High-quality reception The QLT LEDs will also not light if the Bridge is not synchronized with a Hub. NOTE...

  • Page 65: Setting Up A Basic Wireless Ethernet Cell

    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...
  • Page 66 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 4-18. Basic Wireless Ethernet Cell. To set up a basic 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.
  • Page 67 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Use the LED Indicators on the front panel of the Workstation Adapter to check the received signal quality. The signal quality should be in the high to medium range. 4. Make any adjustments necessary. For example: •...
  • Page 68 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES - Wood, 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.
  • Page 69 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES • Distance Between Cells—The distance between the cells varies according to the floor plan of the building and the nature of the indoor environment. Five general categories of 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.
  • Page 70 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 4-20. Overlapping Wireless Ethernet Cells in Office 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.

  • Page 71: Setting Up Overlapping Cells

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Suggested maximum distance between Hub and workstation: 1000 m (3200 ft.) With high-gain antennas: 1500 m (5000 ft.) 5. Obstructed Outdoor Areas—Outdoor areas with obstructed line-of-sight between the Hub and the Wireless Ethernet workstation. Suggested maximum distance between Hub and workstation: 500 m (1600 ft.) With high-gain antennas: 800 m (2500 ft.)
  • Page 72 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES To set up two overlapping Wireless Ethernet cells: 1. Install the first Hub wireless Ethernet as high as possible on a wall, on a high stand, or attached to the ceiling, using the steps described in Section 4.1.

  • Page 73: Associating With A Hub

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 6. Temporarily disconnect the first Hub from the power supply. Verify a high to medium received radio signal from the second Hub. 7. Adjust the distance between the Hubs if necessary. The two coverage areas are now overlapping. 8.
  • Page 74 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 4-21. Basic Wireless Ethernet Cell. Once the 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.

  • Page 75: Associating With Other Hubs

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 4.8 Associating with Other Hubs When two or more adjacent Hubs are positioned close enough to each other, a part of the coverage area of the Hubs will overlap. In high-traffic-density areas, Hubs are sometimes positioned so that all of their coverage areas overlap.

  • Page 76: Antennas

    Workstation Adapter, 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.
  • Page 77 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES The Wireless Hub (LW007A), Workstation Adapter (LW008A), 4-Port Workstation Adapter (LW009A), and Wireless Bridge (LW010A) are all supplied with two customized female connectors for use with the external antennas, which you must order separately. •...
  • Page 78 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES USA (LW011A) 5 meters 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.
  • Page 79 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Europe (LW011AE) 3 meters RG-58 cable complete with assembled connectors: • SMA male connector on one end connects to the LW007A, LW008A, LW009A, or LW010A. • N-type male connector on the other end connects to antenna.
  • Page 80 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES • SMA male connector on the 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: •...
  • Page 81 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES • SMA male connector on the other end connects to antenna. • Range: 900 m PROFESSIONAL INSTALLERS ONLY Detached antennas, whether installed indoors or out, are to be installed ONLY by experienced antenna installers who are familiar with local buildings and safety codes, and wherever necessary are licensed by appropriate government regulators.

  • Page 82: Advanced Setup

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 5. Advanced Setup 5.1 Accessing Advanced Setup Functions The Wireless Ethernet product line has been designed as a plug-and-play solution, and will operate without any user intervention. However, you can change some of the default parameters to get additional functionality.
  • Page 83 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Local Monitor The local monitor allows you to access 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.
  • Page 84 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 5-2. Connecting Terminal Cable to COM Port with a 25-Pin Connector.
  • Page 85 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES To access the advanced setup functions with a local monitor: You can access the advanced setup functions using an ASCII ANSI terminal or a PC capable of emulating an ASCII ANSI terminal using the following settings: Baud rate 9600...
  • Page 86 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES The Terminal screen appears. Figure 5-3. Terminal Icon in Windows Program Manager.
  • Page 87 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.
  • Page 88 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 6. Select the following settings: Baud rate 9600 Data bits Stop bits 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.

  • Page 89: Hub Main Menu

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 5.1.1 H When the Hub Advanced Setup screen appears, the main menu is displayed, giving access to the following sub-menus: 1. System Configuration Menus—The System Configuration menus contain items for setup of Wireless Ethernet Hub configuration parameters, such as station parameters and IP addresses.
  • Page 90 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 1.4 Station Control Menu 1.4.1 System Reset 1.4.2 Set Factory Defaults 1.4.3 Enable AppleTalk Tunneling 1.4.4 Positive Bridging 2. Maintenance Menus—These menus, which contain advanced system functionality and troubleshooting functions, are for technical support personnel only.

  • Page 91: System Configuration Menus

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 5.1.2 S YSTEM ONFIGURATION You can access all the items needed to configure your Wireless Ethernet Hub from the System Configuration menu. To access the System Configuration menu: • From the Main menu, type 1. The System Configuration menu appears.

  • Page 92: Current Station Parameters

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 5.1.3 C URRENT TATION • Station H/W Address—Displays the Wireless Ethernet product’s unique IEEE Address. • Number of Current Associations—This indicates how many stations are currently associated with this Hub. To access the Current Station Parameters: 1.

  • Page 93: Ip Related Items

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES -------------------- 1 — Station Status 2 — IP related items. 3 — WLAN Parameters 4 — Station Control Select option > 1 EthAirNet (Hub), Integration’s PC — $Revision: , $Date: 03 Sep 1995 Station Parameters menu ----------------------- 1 —...
  • Page 94 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES All addresses may be set using regular IP address notation (four bytes separated by periods), together with the subnet mask. To access a host belonging to a different subnet, the Wireless Ethernet Hubs send the traffic through the default IP gateway.
  • Page 95 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES EthAirNet (Hub), Integration’s PC — $Revision: , $Date: 03 Sep 1995 System Configuration ----------------------- 1 — Station Status 2 — IP related items. 3 — WLAN Parameters 4 — Station Control Select option > 2 EthAirNet (Hub), Integration’s PC —...
  • Page 96 3-MBPS WIRELESS ETHERNET HUBS, 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.

  • Page 97: Wlan Parameters

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 5.1.5 WLAN P ARAMETERS The WLAN Parameters Menu contains the following sub-menus: Hopping Sequence The hopping sequence is a parameter that is set for the Hub. The stations learn it from the Hub at the association process.
  • Page 98 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Operation Changes to this parameter will become effective from the next reset. Network ID The Network ID (also called ESS_ID) is an ASCII string used for identifying a Wireless LAN in order to prevent unintentional merging of two co-located Wireless LANs.
  • Page 99 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Operation Changes to this parameter will become effective upon the next reset. Maximum Data Rate The Wireless Ethernet products can operate either at 1 Mbps, 2 Mbps or 3 Mbps. The station dynamically selects the highest possible rate for transmission.
  • Page 100 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Mobility Mode Wireless stations may be used in three different Mobility Modes: Mobile The station moves while operating in the network. Portable The station is sometimes moved but usually it operates from a static environment. Stationary The station does not move.
  • Page 101 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES A mobile station, however, will continuously check for a better Hub, and try to roam to a better Hub even while the current received signal is clear and strong. Power Level Wireless Ethernet products can operate at either a “high”...
  • Page 102 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Using one antenna as opposed to a set of two may reduce the effective range due to multipath problems. For this reason the single 18 dBi and 24 dBi antennas are mounted on high rooftops where degradation of performance due to multipath problems is minimized.
  • Page 103 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.
  • Page 104 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 2. From the WLAN Parameters menu select the required item as follows: 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.
  • Page 105 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Table 5-1. WLAN Parameters. Hopping Sequence Network ID Max Data Rate Mobility Power Level Transmit Diversity 1 - 22 Enter up to 32 printable ASCII characters Enter exactly 1 decimal digit Allowed range 1 -3 0 = Stationary 1 = Portable 2 = Mobile...
  • Page 106 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Figure 5-10. Current WLAN Parameters.

  • Page 107: Station Control Menu

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 5.1.6 S TATION ONTROL The Station Control menu allows you to perform the following functions: System Reset This function resets the Hub and accepts any changes that you have made to the system parameters.
  • Page 108 LW001A Hub: 0 = Positive Bridging Positive bridging allows transmission of packets only to stations that the LW001A knows 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.
  • Page 109 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES To access the Station Control menu: 1. From the System Configuration menu, select 4. The Station Control menu appears. Figure 5-11. Station Control Menu. Table 5-2. Station Control Menu Parameters. System Reset Set Factory Defaults Enable AppleTalk Tunneling Positive Bridging 0 = Cancel Request...

  • Page 110: Access Control Menu

    3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES 5.2 Access Control Menu 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.
  • Page 111 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Table 5-3. Access Control Menu Parameters. Change Access Rights Change User 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).
  • Page 112 3-MBPS WIRELESS ETHERNET HUBS, ADAPTERS, AND BRIDGES Change User Password Default Factory set as user Operation A new password can be 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.
  • Page 113 © Copyright 1998. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...

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