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Ad-hoc, Ad-hoc -7 – Motorola VC5090 User Manual

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Wireless Applications

4 - 7

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. If

Ad-Hoc

mode was selected the

Ad-Hoc

dialog box displays. If

Infrastructure

mode was selected the

Authentication

dialog box displays. See

Authentication on page 4-8

for instruction on setting up authentication.

Ad-Hoc

Use the

Ad-Hoc

dialog box to select the required information to control

Ad-Hoc

mode. This dialog box does not

appear if you selected

Infrastructure

mode. The channels listed are dependent upon the band selected in the

Options > Band Selection window. See

Band Selection on page 4-34

for more information. To select Ad-Hoc mode:

Country

Country

determines if the profile is valid for the country of operation. The profile country must

match the country in the options page or it must match the acquired country if 802.11d is
enabled.

Single Country Use:
When the device is only used in a single country, set every profile country to

Allow Any Country

.

In the

Options

>

Regulatory

dialog box (see

Figure 4-46 on page 4-34

), select the specific

country the device is used in, and deselect the

Enable 802.11d

option. This is the most common

and efficient configuration, eliminating the initialization overhead associated with acquiring a
country via 802.11d.

Multiple Country Use:
When the device is used in more than one country, select the

Enable 802.11d

option in the

Options

>

Regulatory

dialog box (see

Figure 4-46 on page 4-34

). This eliminates the need for

reprogramming the country (in

Options

>

Regulatory

) each time you enter a new country.

However, this only works if the infrastructure (i.e., APs) supports 802.11d (some
infrastructures do not support 802.11d, including some Cisco APs). When the Enable 802.11d
option is selected, the

Options

>

Regulatory

>

Country

setting is not used. For a single profile

that can be used in multiple countries, with infrastructure that supports 802.11d (including
Symbol infrastructure), set the Profile Country to

Allow Any Country

. Under

Options

>

Regulatory

, select

Enable 802.11d

. The

Options

>

Regulatory

>

Country

setting is not used.

Country
(Continued)

For a single profile that can be used in multiple countries, but with infrastructure that does not
support 802.11d, set the profile country to

Allow Any Country

, and de-select (uncheck)

Enable

802.11d

. In this case, the

Options

>

Regulatory

>

Country

setting must always be set to the

country the device is currently in. This configuration option is the most efficient and may be
chosen for use with any infrastructure. However, the

Options

>

Regulatory

>

Country

setting

must be manually changed when a new country is entered.
Note that using a single profile in multiple countries implies that there is a common ESSID to
connect to in each country. This is less likely than having unique ESSIDs in each country, this
requires unique profiles for each country.

For additional efficiency when using multiple profiles that can be used in multiple countries,
the country setting for each profile can be set to a specific country. If the current country (found
via 802.11d or set by

Options

>

Regulatory

>

Country

when 802.11d is disabled) does not

match the country set in a given profile, then that profile is disabled. This can make profile
roaming occur faster. For example, if two profiles are created and configured for Japan, and
two more profiles are created and configured for USA, then when in Japan only the first two
profiles are active, and when in USA only the last two are active. If they had all been configured
for

Allow Any Country

, then all four would always be active, making profile roaming less

efficient.

Table 4-5 Operating Mode Fields (Continued)

Field

Description