NDC comm Instant Wave User Manual

High Rate

11Mbps Wireless Networking

Access Point

User’s Guide

DEC 2000

National Datacomm Corporation.

4F, No. 24-2, Industry East 4th Road, Science Park,
Hsin-Chu, Taiwan, R.O.C.
Tel: [phone]
Fax: [phone]

Rev.10

Technical Support

E-mail: [e-mail]

NDC World Wide Web

www.ndc.com.tw

TRADEMARKS

NDC and InstantWave are trademarks of National Datacomm Corporation. All
other names mentioned in this document are trademarks/registered trademarks of
their respective owners.
NDC provides this document “as is”, without warranty of any kind, neither
expressed nor implied, including, but not limited to, the particular purpose. NDC
may make improvements and/or changes in this manual or in the product(s) and/or
the program(s) described in this manual at any time. This document could include
technical inaccuracies or typographical errors.

FCC WARNING

This equipment has been tested and found to comply with the limits for a Class B
Digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or televisi on re cept i on, whi ch can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:

 Reorient or relocate the receiving antenna
 Increase the separation between the equipment and receiver
 Connect the equipment into an outlet on a circuit different from that to which

the receiver is connected

 Consult the dealer or an experienced radio/TV technician for help
You are cautioned that changes or modifications not expressly approved by the

party responsible for compliance could void your authority to operate the
equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions:

1. This device may not cause harmful interference, and

2.

This device must accept any interference received, including interference that
may cause undesired operation

ii InstantWave High Rate

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Table Of Contents

Introduction........................................................................................................................................ 1

INSTANTWAVE HIGH RATE FAMILY ..........................................................1

SYSTEM REQUIREMENTS ..............................................................................1

CABLING............................................................................................................1

Glossary...............................................................................................................................................2

How to Use this Guide...................................................................................................................... 3

Planning Your Network................................................................................................................... 4

INFRASTRUCTURE NETWORK TYPES.........................................................4

PLANNING AN INFRASTRUCTURE NETWORK..........................................6

Single AP Installation .......................................................................................6

Multiple AP Installation....................................................................................6

ROAMING...........................................................................................................7

ACCESS POINT PLACEMENT GUIDELINES.................................................8

Placing For Performance...................................................................................8

Placement Tools................................................................................................8

MOUNTING THE AP.........................................................................................8

Getting Started...................................................................................................................................9

ACCESS POINT HARDWARE INSTALLATION............................................9

LED INDICATORS.............................................................................................9

AP MANAGEMENT SOFTWARE INSTALLATION/UNINSTALLATION.11

Installation.......................................................................................................11

Uninstalling.....................................................................................................11

AP COMFig Tool............................................................................................................................12

USING THE AP COMFIG TOOL.....................................................................12

AP COMFig Password....................................................................................12

AP COMFig Service.......................................................................................13

Perform AP Self Diagnostic Test....................................................................18

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Upgrade AP Firmware....................................................................................18

Reset AP Configuration ..................................................................................18

T rouble Sh ooting.............................................................................................................................19

Operational Problems...................................................................................19

T echnic al Support...........................................................................................................................21

NDC Limited W arranty................................................................................................................22

Index...................................................................................................................................................26

iv InstantWave High Rate

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List of Figures

IGURE

F

IGURE

F

IGURE

F

IGURE

F

IGURE

F

IGURE

F

IGURE

F

IGURE

F

IGURE

F

IGURE

F

IGURE

F

IMPLE WIRELESS INFRASTRUCTURE NETWORK

1. S

2. AP

3. M

4. A

5. A

6. A

7. LED F

8. AP COMF

9. C

10. E

11. C

TO WIRED ETHERNET BRIDGE

ULTIPLE

CCESS POINT

CCESS POINT

CCESS POINT

UNCTIONS

ONFIGURATION/GENERAL

NCRYPTION

ONFIGURATION/FILTER

ETWORK

AP N

....................................................... 5

........................................................................ 9

........................................................................ 9

LEDS............................................................ 10

.................................................................. 13

IG TOOL/SERVICE

........................................................................ 16

.................................................... 117

.......................................... 5

................................................ 13

.................................................. 13

.................... 4

InstantWave

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Packing List

The package should contain the following items:

• One Access Point

• One diskette for AP Management Software

• One AC Power Adapter

• This User’s Guide

vi InstantWave High Rate

Access Point

Introduction

Congratulations on choosing one of NDC’s InstantWave High Rate wireless
networking product’s family. InstantWave High Rate was one of the first IEEE

802.11b wireless standard compliant products in the industry and was designed to
maximize the convenience of networking. You will find InstantWave High Rate
products very easy to setup and use.

The User’s Guide gives comprehensive instructions on installing and using the
InstantWave High Rate Access Point (AP). The AP provides a transparent bridged
connection between a wired network and a wireless network and allows your
wireless stations to communicate with devices attached to your wired network. It
manages the flow of data packets from the wired LAN to the wireless LAN, and
vice versa.

InstantWave High Rate Family

The InstantWave High Rate Access Point is part of a family of easy to use high
performance wireless communication products. The family products include:

• InstantWave High Rate Access Point (NWH660, NWH650)

• InstantWave High Rate PCI Card (NWH630)

• InstantWave High Rate PC Card (NWH610)

System Requirements

System requirements to install and operate the InstantWave High Rate Access
Point are:

• A RS-232 cable

• An Ethernet drop (UTP)

• A PC (only used when configuration of the AP ’s Net w ork properties is

necessary)

Cabling

Connecting the AP to an Ethernet network requires an Unshielded Twisted-Pair
cable. The AP fits into the network just as any other node would do. An LED will
light to indicate a connection. The cable length should follow Ethernet standards
in each case.

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Glossary

Group ID/BSSID

A Group ID (the 802.11 standard uses the term BSSID) is the ID of a wireless cell.
A wireless cell is usually made up of stations in an area that the radio signal can
comfortably cover. In other words, any wireless station in the cell can
communicate with any other within reach of the radio signa l .

Domain Name/ESSID

A “Domain” is most commonly used to refer to a group of computers whose
hostnames share a common suffix. The domain is usually defined by the network
administrator as a segment/subnet of a large network and may be made up of
overlapping wireless cells. Wireless nodes can roam freely within the same
domain without disconnecting from the network.

Roaming

The convenience of a mobile PC is the ability to move freely. The concept is
similar to that of a cellular phone moving from one base station to another.
InstantWave High Rate offers built-in high performance and seamless roaming
capabilities.

Regulatory Domain

InstantWave High Rate products use the unlicensed ISM (Industrial, Scientific,
Medical) band to communicate through radio waves. Different countries offer
different radio frequencies to be used as the ISM band. There are four frequency
bands defined by 802.11: Japan (2.4 7 1G Hz – 2.497 GHz), USA, Extended Japan,
Canada, and Europe (2.4 GHz – 2.4835 GHz), Spain (2.445 GH z – 2.475 GHz),
and France (2.4465 GHz – 2.4835 GHz). To use InstantWave High Rate in a
country not listed above, check with your government’s r egu lating body to find the
correct frequency band to use. All InstantWave High Rate products are supplied
preset to the country of sale’s frequency band.

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How to Use this Guide

InstantWave High Rate is extremely versatile in providing varying levels of
network management. For Small Office/Home Office users, setup and
configuration is a quick, four-step process. The Access Point Hardware
Installation section, on page 9, provides simple instructions to get your network up
and running within minutes. Go to the Access Point Hardware Installation section
if your network will meet the following criteria:

• You will accept all default values

• Your network will have only one Access Point

The AP COMFig Tool, see page 12, permits AP configuration from a PC via a
COM port connection. The program enables the user to change the default Access
Point IP configuration settings before introducing a new AP to an already
established wireless network.

Before using the setup tool, you should read through the next section “Planning
Your Network”, in order to get the best possible performance from your
InstantWave High Rate wireless network.

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Planning Your Network

Infrastructure Network Types

An Infrastructure network is formed by several stations and one or more Access
Points (APs), with the stations within a set distance from the AP. Figure 1 depicts
a typical Infrastructure network topology.

There are three infrastructure network setups that are commonly used. It is a good
idea to understand the possible network setups and configuration requirements
before planning your wireless network.

Type 1. The simplest wireless infrastructure network is composed of one

Access Point (AP) and a few wireless Stations communicating via
radio waves (Figure 1). This setup enables mobile stations to
communicate with each other. The main benefit of this type of
network is to extend the range of the network. If an AP is placed
between Station-1 and Station-2, the radio transmission distance is
effectively doubled since Station-1 can talk to Station-2 through the
AP. The drawback of this configuration is that the effective
bandwidth is halved since all communication is relayed by the AP.

Figure 1. Simple Wireless Infrastructure Network

Type 2. The next simplest wireless network is very similar to the Type 1

network. This time the AP is connected to a wired Ethernet network
as a node. In this configuration the AP is effectively performing as a
bridge between the wired Ethernet and the wireless networks (Figure

2).

Wireless users have the same access to the network resources as they
would have if they were wired. This type of network is usually used
to extend an existing network into a difficult to wire or a roaming
environment.

4 InstantWave High Rate

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Server

Figure 2. AP to Wired Ethernet Bridge

Type 3. The third type of network is composed of multiple APs and multiple

Stations (Figure 3). The APs could also be connected to servers on
the wired Ethernet network. The shadowed area represents signal
overlap between subnet1 (AP-1) and subnet2 (AP-3).

Figure 3. Multiple AP Network

The reasons for having multiple APs installed are:

1. To increase bandwidth in order to boost overall network performance

2. To extend the coverage range
Any other type of configuration is usually a mix of these commonly used types.

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Planning an Infrastructure Network

This section explains some of the things you need to consider in planning an
Infrastructure network. Setting up is a two step process.

1. Install and configure the InstantWave High Rate products

2. Decide the best physical location of the InstantWave High Rate products so as
to optimize performance

The following sections give quick guidelines for these two steps. Before we go
into detail, the network planner should first decide whether to have a single AP
wireless network or a multiple APs network.

Single AP Installation

If you are setting up a simple network with only one AP and a few Stations (a Type
1 or Type 2 network configuration as described in Infrastructure Network, page 4),
the installation can be performed painlessly. All you need to do is make sure the
AP and all the wireless Stations hold the same “Domain Name” in their
configuration.

Adding a new Station to an existing Infrastructure Network is easy. Again, all you
need to do is to set the newly added Station’s “Domain Name” to the same as that
of the AP’s.

Multiple AP Installation

Install multiple APs in the same network (or Domain) with an overlapping signal

(Figure 3)

• Use the same Domain Name

• Enable the roaming function in the Station if roaming is required

Note: A Station will automatically connect to whichever AP in the same domain is

offering the best signal

6 InstantWave High Rate

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Roaming

InstantWave High Rate products are equipped with seamless roaming capabilities.
Roaming is necessary to prevent mobile Stations from being disconnected from the
network as they move around.

InstantWave High Rate is designed to allow wireless Stations to roam freely within
an infrastructure domain composed of multiple APs with overlapping signal
coverage (as in the Type-3 network configuration described in the previous
section). For example, roaming enables Station-1 to move from the AP-1 signal
coverage area to the AP-2 signal coverage area without disconnecting from the
network. The handover is achieved transparently; the Station-1 user would not
realize he had moved from AP-1 to AP-2.

The requirements for a roaming environment are:

a) Multiple APs with overlapping signal coverage (see Multiple AP

Installation, page 6)

b) The APs must be configured to have the same Domain name (see AP

COMFig Service, page13)
c) The mobile Stations must have the same Domain name as that of the APs
d) *It is advisable that APs on different TCP/IP subnets be given different

Domain names to avoid roaming confusion (seeAP COMFig Service ,

page13)

Note: If you want to move your mobile PC between different APs without

terminating the existing networking link, you need to enable the roaming
function on the Mobile Station. The APs that a Mobile Station will roam to
must also be configured with the same domain name. If a Station detects
that the signal quality with the current linked AP is weak, it will search for
an AP in the same domain with a better signal quality and automatically
establish a new connection with it. When a Station is roaming, it will
always use the same IP address. The TCP/IP router will not route
information packets to a Mobile Station if it re-associates with a AP that is
in a different TCP/IP subnet. In other words, if your network consists of two
subnets connected by a router, a Mobile Station may roam to a different
subnet with the same domain name and then fail to communicate with other
network devices via TCP/IP. To avoid running into such an awkward
situation, you must assign different domain names to different TCP/IP
subnets.

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Access Point Placement Guidelines

A characteristic of radio communication is the “interference” problem. Radio is
receptive to interference. Therefore, the more interference you can avoid, the
better performance you will get from wireless products. The following section
describes how the InstantWave High Rate AP should be placed to reduce possible
interference.

A few tips to mention that are particularly significant in a radio wave
communications system:

1. Radio waves reflect or refract from buildings, walls, metal furniture, or other
objects. This could result in performance degradation due to the fluctuation of
the received signal.

2. Microwave ovens use the 2.45 GHz frequency band. InstantWave High Rate
also functions in the 2.4 ~ 2.5 GHz band, and therefore shares some of the
band with microwave ovens. This means that when a nearby microwave oven
is in use, it may interfere with InstantWave High Rate, resulting in
performance degradation on the wireless network.

Placing For Performance

For the best performance, it is advisable that users follow the guidelines below in
placing the product:

• Place the AP as high as possible, in as open an area as possible

• Avoid placing the AP (especially the antenna) close to metal objects (e.g., file

cabinets, metal cubicles, etc.)

• Keep APs and Stations as far away as possible from microwave ovens (10
meters min. is advisable)

Placement Tools

InstantWave High Rate includes a Station utility program to help users find the
best location in which to place the AP relative to the location of the Stations.

1. Start the AP

2. Allow a wireless Station to connect with the AP

3. From the Station, run the InstantWave High Rate Station Monitor RF Signal
Quality Program

4. Move the AP and the AP’s antenna to find the best signal quality

Mounting the AP

The AP may be either freestanding or wall-mounted. Screws and a paper template
are provided for easy installation.

8 InstantWave High Rate

Access Point

Getting Started

Access Point Hardware Installation

Access Point Hardware Setup explains how to quickly setup the Access Point for
use via a wired Ethernet connection, and using the factory default settings. For
installation in networks using other than the default settings, i.e. into existing
networks, complete the Hardware Setup and refer to AP COMFig Tool, page 12.
To setup a wireless station, refer to the PCI/PC Card User’s Guide.

Figure 4. Access Point

step1. Connect the Ethernet network cable to the UTP port in the back panel

of the Access Point.

step2. Connect the power adapter to the electricity outlet and then to the

Access Point DC-In port in the back panel of the access point.

step3. Turn on the AP power switch
The Access Point is now ready to communicate with the wireless stations using its

factory default settings. Refer to the InstantWave High Rate PCI/PC Card User’s
Guide for card setup instructions.

LED Indicators

The Access Point LEDs show the status of the connections. Figure 5 shows the
LEDs and their functions.

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9

Figure 5. Access Point LEDs

General Color Function

PWR
(Power/Status)

E/N(Ethernet) Color Function

Link Green

TX/RX Orange

RF Color Function

Link Green

TX/RX Orange

Green

Red

Unlit: Power OFF
Blinking: Diagnostic test
On: Healthy condition
On: Abnormal Condition

Indicates an Ethernet link. If the
radio fails, this LED will not light

Blinks to indicate Ethernet
transmission/reception activity

Indicates a wireless link. If the radio
fails, this LED will not light

Blinks to indicate radio transmission/
reception activity

Figure 6. LED Functions

AP Management Software Installation/Uninstallation

Installation

step1. Insert the InstantWave High Rate setup disk 1into dri ve A:
step2. From the Start menu select Run, and type A:\SETUP.EXE
step3. Click the Next button to start the setup program

10 InstantWave High Rate

Access Point

step4. From the Choose Destination Location dialog box accept the program

files default location, C:\Program Files\Wireless LAN AP SB, or click
Browse to choose another location. Then click Next

step5. To install the full program, choose Typical. Choosing Custom to open

another screen with the option to install only selected parts of the
management program. Click Next

step6. The setup program will copy the necessary files into the specified

directory. When the installation is progressing, the setup program will
ask you to insert disk 2. File copying progress will be displayed in the
setup screen. You can stop the process anytime by clicking Cancel

step7. After the program files have been copied, click Start/

Programs/Wireless LAN AP SB. You will find the AP COMFig Tool

and on the menu

• The AP COMFig Tool. A simple Windows based AP configuration tool
working through a direct COM port connection to the AP. The AP COMFig
tool is intended for simple first time configuration of AP parameters, or to be
used as a last resort to communicate with an AP (see AP COMFig Tool, page

12)

Uninstalling

Should you wish to uninstall InstantWave from a Windows environment, click
Start/ Programs/Wireless LAN AP SB.

Click Uninstall Wireless LAN AP SB. A confirmation box will ask if you are
sure you wish to remove the program(s). Click Yes.

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AP COMFig T ool

The AP COMFig Tool is a Windows 95/98/ME/NT/2000 based utility that is used
via a COM port connection between the AP and a PC.

It provides the following functions:

• Sets necessary AP parameters (e.g., IP address, Domain name, etc.)

• Diagnoses the AP hardware and shows the diagnostic results

• Upgrades the AP firmware

• Resets the AP Configuration

• Manages the APMS Host table

Click Start/Programs/Wireless LAN AP SB/AP COMFig Tool to start the
program. The program opens with the AP COMFig Tool Connect screen. Then
follow the steps below to begin using the AP COMFig Tool.

step1. Connect the null modem cable to the serial port on the AP and connect

the other end to a serial port on the PC

step2. Select the COM port
step3. Power on the AP. The AP COMFig Tool will connect with the AP

automatically

Note: You have to go through the steps above each time you want to use the AP

COMFig Tool.

Using the AP COMFig Tool

AP COMFig Password

Click on the Password tab to open the Password screen. Here you may set a
password if so desired. Setting a password prevents unauthorized changes to the
AP configuration settings.

Note: The password will be shared with the APMS program on the same PC.

12 InstantWave High Rate

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AP COMFig Service

After connecting with the AP, click on the Service tab to open the Service screen
(Figure 7). The Service screen provides access to the management features.

Figure 7. AP COMFig Tool/Service

Click the View and Modify AP Configuration button. The Configuration screen
will open (Figure 8).

General

The General card (Figure 8) is the first card on the Configuration Screen.

Figure 8. Configuration/General

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13

Here you may:

AP Alias Name

Assign the AP a unique name

Domain Name (ESSID)

This is more commonly called the
Domain Name but is defined in the

802.11 Wireless Standard as ESSID.
Stations and AP(s) in the same group
must use the same Domain Name

Transmission Rate The transmission rate at which the

data packets are transmitted by the
AP. Click Down selector arrows,
found to the right of Transmit Rate
to select which rate you want to use

Basic Rates

This value determines the basic rates
used and reported for this BSS by
the AP. The highest rate specified
will be the rate that the AP will use
when transmitting broadcast /
multicast and management frames.
Available options are:

• 1 and 2 Mbps
All (1, 2, 5.5, and 11 Mbps)

Channel Number You can change the channel number.

Channels supported on every carrier
set as below table

Regulatory Domain Identify the country where the AP is

used (see Glossary, page 2).

Read-only
BSS ID Read-only
Firmware Version Read-only

14 InstantWave High Rate

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Channels supported on each carrier set:

Channel
Number

Center

Frequency

FCC/

Canada

ETSI Spain France Japan

(MHz)
1 2412 O O O
2 2417 O O O
3 2422 O O O
4 2427 O O O
5 2432 O O O
6 2437 O O O
7 2442 O O O
8 2447 O O O
9 2452 O O O

10 2457 O O O O O
11 2462 O O O O O
12 2467 O O O
13 2472 O O O
14 2484 O

Important:
In a multiple cell network topology, overlapping and/or adjacent cells using
different channels can operate simultaneously without interference if the frequency
distance between the center frequencies is at least 30MHz. For example channels
1, 7 and 13 are non-overlapping frequency channels.

After making any changes, click the Apply button to make the changes effective
immediately, without closing the dialog box, or click OK to accept the changes and
close the box. Clicking Add to APMS Host Table will add the information to the
host table referred to by the APMS program.

Encryption

Click the Encryption tab to setup the security options (

Figure 9

). This page allows
you to create up to four data encryption keys and enable encryption to keep your
data secure.

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15

Figure 9. Encryption

Click the arrow to the right of the Method field. The pull-down method lists four
options:

Disabled (default)

The station communicates with this Access Point without any data encryption.

40 bit WEP

Allows station to communicate with this Access Point through 40 bit WEP key
data encryption.

128 bit WEP

Allows station to communicate with this Access Point through 128 bit WEP key
data encryption.

Proprietary

The station communicates with this Access Point through NDC proprietary data
encryption.

You must set the security keys before you enable use of encryption.

WEP stands for Wired Equivalent Privacy. It is an encryption scheme that
provides secure wireless data communications to users. WEP uses a 40-bit or 128­bit key to control network access. In order to decode the data transmission, each
wireless client on the network must use identical keys.

Key Generation - There are two ways to generating a security key.

16 InstantWave High Rate

Access Point

The first is by entering any text in the Passphrase field. Click the Generate button.
It will generate four keys, Key 1, Key 2, Key 3 and Key 4. Select a key number
from the dropdown list of the Default Key box. If you do not select a key, key 1 is
selected, as it is the default key. Click Apply.

Another key generation method is to insert key values directly into the key fields
using a keyboard. Select the Key number in the Default Key box. If the Key is not
entered correctly, a client cannot access the wireless LAN resources. Click Apply

Filter:

The next tab on the dialog box is Filter (

Figure 10

). This is a one-way protocol
filtering mechanism that prevents the AP from transmitting certain protocols from
the Wired Ethernet LAN into the Wireless zone. If you do not require particular
protocols on the wireless part of your network you can save bandwidth by enabling
the protocol filter.

Figure 10. Configuration/Filter

From the Filter tab, some, all, or none of the protocols listed may be selected for
filtering out:

• IP protocol

• IPX protocol

• NetBEUI protocol

• AppleTalk protocol

• Other protocols

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17

• Internet Multicast Frames
After selecting a protocol for filtering, click the Apply button to make the changes

effective immediately, without closing the dialog box, or click OK to accept the
changes and close the box.

Perform AP Self Diagnostic Test

On the Service card, click Perform AP Self Diagnostic Test. The Hardware
Diagnosis screen will open (Figure 11)

Figure 11. Hardware Diagnosis

Click Start and the tests will commence. As each item is tested a yellow arrow
will appear alongside it. If the test is successful, the arrow will change to a green
tick. If a failure occurs, an “X” will appear. You can click Cancel at any time to
stop the tests. When the tests have completed, the Cancel button changes to a

Close button. Click Close to return to the Service card.

Upgrade AP Firmware

The Access Point’s (AP’s) embedded software is burned into the flash ROM.
However, an updated AP code may be installed via a COM port using the AP
COMFig program. Click on Update AP Firmware (
Update AP Firmware dialog box will open.

Use the Browse button to choose the file to be uploaded to the AP, or type the file
location and name in the File Name field.

The Update button will then become enabled. Click Update to start loading the
file to the Access Point. The AP COMFig tool will upload the new executable into
the AP’s flash memory area.

When the file transfer is complete, click Close to close the window.

Figure 7,

page 13). The

Reset AP Configuration

Restores the factory default configurations .

18 InstantWave High Rate

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T rouble Shooting

Operational Problems

The Wireless adapter appears to be functioning. The Activity LED is active.
However, no network PC can be found when run in Infrastructure Wireless
Network mode

• You have only one AP, and the PC is not placed too far from it, but the PC

still has difficulties finding the AP

1. Check that the antennas are properly connected to the
AP and the station

2. Make sure that the AP is powered on and working

3. Use Network Watcher to find and join with the AP

Radio signal quality indicates Yellow or Red whilst in Infrastructure mode

The connected AP is too far away



1. Use Network Watcher to find an AP with a stronger
signal

2. Move your PC closer to the connected AP

• The adapter antenna is not connected, or its signal path is blocked by metal
casing, e.g. metal filing cabinets

1. Make sure the antenna is firmly screwed in

2.

Arrange the antenna position to get the best radio signal
quality

Transmission or reception throughput is low during network file accessing

• Many stations are connected to the same group and heavily utilizing the
network

1. On an Infrastructure wireless network, use Network
Watcher to find, and connect to, a different AP with only

a few PC connections

2. In an Ad-Hoc environment, form your own wireless
group with a different wireless domain name to start a
different channel hopping pattern

Ad-Hoc stations can't join each other

Two stations started at the same time



Reboot one station

Different Domain Name (ESSID)



Change the ESSID, using the 11Mbps Wireless LAN Utility
program, to match that of the other stations on the Ad-hoc
network

OR Go to Control Panel/Network/11Mbps Wireless LAN PCI
Card /Properties/Advanced/ESSID, and change it there

InstantWave High Rate

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19

20 InstantWave High Rate

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T echnical Support

If you are having a problem using an NDC product and cannot resolve it, please
note the following information and contact NDC Technical Support:

• What you were doing when the error occurred

• What error messages you saw

• Whether the problem can be reproduced

• The serial number of your product

• The firmware version number.

• A copy of the AP configuration file.

NDC Technical Support is available via e-mail at:

techsupt@n dc .c om . t w

For other information about NDC, please visit us at:

www.ndc.com.tw

InstantWave High Rate

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21

NDC Limited Warranty

Hardware

NDC (NDC Communications, Inc.) warrants its products to be free of defects in
workmanship and materials, under normal use and service, for a period of 12
months from the date of purchase from NDC or its Authorized Reseller and for the
period of time specified in the documentation supplied with each product.

Should a product fail to be in good working order during the applicable warranty
period, NDC will, at its option and expense, repair or replace it, or deliver to the
purchaser an equivalent product or part at no additional charge except as set forth
below. Repair parts and replacement products are furnished on an exchange basis
and will be either reconditioned or new. All replaced products and parts will
become the property of NDC. Any replaced or repaired product or part has a
ninety (90) day warranty or the remainder of the initial warranty period, whichever
is longer.

NDC shall not be liable under this warranty if its testing and examination disclose
that the alleged defect in the product does not exist or was caused by the
purchaser’s, or any third party’s misuse, neglect, improper installation or testing,
unauthorized attempt to repair or modify, or any other cause beyond the range of
the intended use, or by accident, fire, lightning, or other hazard.

Software

Software and documentation materials are supplied “as is” without warranty as to
their performance, merchantability, or fitness for any particular purpose. However,
the diskette media containing the software are covered by a 90-day warranty which
protects the purchaser against failure within that period.

22 InstantWave High Rate

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Limited Warranty Service Procedures

Any product (1) received in error, (2) in a defective or non-functioning condition,
or (3) exhibiting a defect under normal working conditions, can be returned to
NDC by following these steps:

You must prepare:

 dated proof of purchase
 product model number & quantity
 product serial number
 precise reason for return



your name/address/email address/telephone/f ax

1. Inform the distributor or retailer

2. Ship the product back to the distributor/retailer with prepaid freight. The
purchaser must pay the shipping freight from the distributor/retailer to NDC.
Any package sent C.O.D. (Cash On Delivery) will be refused

3. Charges: Usually RMA (Returned Material Authorization) items will be
returned to the purchaser via AIR MAIL, prepaid by NDC . If returned by
another carrier, the purchaser will pay the difference. A return freight and
handling fee will be charged to the purchaser if NDC determines that there
was “No Problem Found” or that the damage was caused by the user

Warning

NDC is not responsible for the integrity of any data on storage equipment (hard
drives, tape drives, floppy diskettes, etc.). We recommend that our customers back
their data up before sending such equipment in for diagnosis or repair

.

Services after Warranty Period

After the warranty period expires, all products can be repaired for a reasonable
service charge. The shipping charges to and from the NDC facility will be borne
by the purchaser.

Return for Credit

In the case of a DOA (Dead on Arrival) or a shipping error, a return for credit will
automatically be applied to the purchaser’s account, unless otherwise requested

InstantWave High Rate

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.

23

Limitation of Liability

All expressed and implied warranties of a product’s merchantability, or of its
fitness for a particular purpose, are limited in duration to the applicable period as
set forth in this limited warranty, and no warranty will be considered valid after its
expiration date.

If this product does not function as warranted, your sole remedy shall be repair or
replacement as provided for above. In no case shall NDC be liable for any
incidental, consequential, special, or indirect damages resulting from loss of data,
loss of profits, or loss of use, even if NDC or an authorized NDC distributor/dealer
has been advised of the possibility of such damages, or for any claim by any other

.

party

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EC DECLARATION OF CONFORMITY

For the following equipment:

Product Name: : InstantWave Wireless Access Point
Model Number: : NWH650

Produced by:

Manufacturer Name : NATIONAL DATACOMM CORPORATION
Manufacturer
Address

: 2F, NO. 28, INDUSTRY EAST 9TH ROAD

SCIENCE PARK, HSINCHU, TAIWAN,
R.O.C.

is hereby confirmed to comply with the requirements set out in the Council Directive on the
Approximation of the Laws of the Member States relating to R&TTE Directive (99/5/EC).
For evaluation regarding electromagnetic compatibility, the following standards were
applied:

EN 300 328 (November 1996/A1 (July 1997))
EN 300 826 (November 1997)
En 60950:1992 + A1:1993 + A2:1993 + A3:1995 + A4:1996 + A11:1997

The manufacturer/importer is responsible for this declaration:

Company Name : NDC (EUROPE) CO., LTD
Company
Address

Person authorized to make this declaration:

: 1, EARLSFORT CENTRE, HATCH STREET,

DUBLIN 2, IRELAND

Name : CHUNG-HUA CHIANG
Position/Title : President and CEO

Date Legal Signature

InstantWave High Rate

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25

Index

A

Access Control............21, 28, 31–32

Access Point

Ethernet Connection to............. 25

Access Rights. Setting........... 21, 31

Alias name.............................. 15, 34

AP COMFig Password................. 13

AP COMFig Service .................... 14

AP COMFig Tool......................... 13

AP Information............................. 36

AP Setting .................................... 30

B

BSSID ............................................ 2

C

Cabling........................................... 1

COM port connection................... 13

Community................................... 28

Connecting to an AP .................... 28

D

Default Gateway

Assigning............................ 18, 30

Default IP............................... 18, 30

Default subnet mask............... 18, 30

Domain Name .....................2, 15, 34

Assigning.................................. 27

E

Extended Service Set ID......... 15, 34

F

Filter Protocols....................... 20, 31

Flash ROM................................... 22

G

General......................................... 14

Group ID ........................................ 2

H

Host Table.....................................23

I

Information, AP............................36

IP Address

Assigning..................................26

Assigning..................................30

IP Default......................................18

L

LEDs.............................................11

M

MAC Address...............................37

Modify AP Configuration.............14

N

Network

Infrastructure...............................4

Multiple APs...............................5

P

Password

AP COMFig..............................13

Placement Guidelines .....................8

Placing

for performance .......................... 8

Tools........................................... 9

Protocol Filtering....................20, 31

R

Radio Frequencies .......................... 2

Regulatory Domain.........................2

Reset AP Configuration................23

Resetting the AP...........................36

Roaming..........................................2

S

Self Diagnostic Test......................22

26 InstantWave High Rate

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SNMP................................24, 26, 36

Subnet Mask

Assigning.................................. 27

Assigning............................ 18, 30

System Requirements..................... 1

T

TCP/IP address....................... 18, 30

Troubleshooting ........................... 39

U

Uninstalling ..................................12

Upgrade AP Firmware............34–36

Upgrade Firmware........................22

V

View .............................................36

W

Wireless Cell...................................2

Wireless Stations .......................... 37

2 InstantWave High Rate

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