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66
5-4 Wireless Advanced Settings
Choose
Wireless Settings > Wireless Advanced Settings
and the Wireless Advanced
Settings page appears.
The following table describes parameters in this page:
Item
Description
Enable Wireless Router
Radio
When this field is enabled you can connect to the router
wirelessly.
Fragmentation Length
(256-2346)
Set the threshold of fragmentation length. If the length of a
packet is greater than the value, the packet is automatically
fragmented into several packets. Because too many packets
lead to low performance of the wireless network, the value of
Fragmentation Length cannot be too small. The default value is
2346.
CTS/RTS Threshold
(1-2347)
Set the CTS/RTS threshold. If the length of a packet is greater
than the value, the router sends an RTS frame to the destination
station to negotiate. After receiving the RTS frame, the wireless
station responds with a Clear to Send (CTS) frame to the router,
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indicating that they can communicate with each other. The
default value is 2346.
Preamble Mode
Set the preamble mode. The default is Long preamble.
A preamble (especially the 802.11b High Rate/DSSS PHY
field; 56 digits synchronized field for short preamble) defines
the length of the CRC correction block for communication
between wireless devices. Shorter settings should be applied in
a network of intense traffics. Short preamble is mainly used to
improve the efficiency of a wireless network for applications
that have high requirement of real-time, such as streaming
video and voice-over-IP telephony.
Transmit Power Control
Set the transmit power of the router. The default is 100%,
which indicates to transmit full power.
Router’s PIN
To configure wireless settings of the router through WPS, you
need to enter PIN on the wireless client.
Enable WPS
Functions in the WPS Setup page are available only after this
option is selected. If this option is not selected, the WPS Setup
menu item is greyed out.
Disable Router’s PIN
The PIN mode function in the WPS Setup page is available
only after this option is selected. If this option is not selected,
the PIN mode option is greyed out.
Keep Existing Wireless
Settings
It determines whether WPS is configured on the router. If this
option is not selected, newly added wireless clients change the
wireless settings of the router into random SSID and security
key that are automatically generated. You can select this option
in the Wireless Basic Settings page.
Wireless Card Access
Control List
You can set to allow only network cards of specific PCs to
access your wireless network according to the MAC address of
the network card of a PC. Click Setup Access List to add, edit,
or delete entries in the Wireless Card Access List page.
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Click Setup Access list button and the Wireless Card Access List page appears:
The following table describes parameters and buttons in this page:
Item
Description
Turn Access
Control On
Enable or disable wireless access control. If it is selected, you can
restrict wireless network cards according to their MAC addresses.
Add
Click the button to add an entry of wireless network card in the
Wireless Card Access Setup page that is displayed.
Edit
Select an entry of wireless network card and click the button to
modify the device name or MAC address in the Wireless Card
Access Setup page that is displayed.
Delete
Select an entry of wireless network card and click the button to delete
it.
Click the
Add
button and the
Wireless Card Access Setup
page appears:
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The following table describes parameters in this page:
Item
Description
Available Wireless
Cards
It displays all the available wireless network cards of PCs
and their MAC addresses. Click the radio button of a network
card to select its MAC address. If the list does not contain
your desired wireless network card, you can manually enter
the MAC address of the wireless network card. You can enter
up to 16 entries of MAC addresses.
Device Name
Name of the device. You can customize it.
Mac Address
Physical address of the network card. It is a string of 12
characters.
After the settings are done, click
Add
to add a wireless card entry. Then, click
Apply
to
save the settings in the Wireless Advanced Settings page.
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5-5 Wireless Repeater
Wireless distribution system (WDS) enables interconnection between APs in an IEEE
802.11 wireless network. It extends the wireless network through several APs, without
connection of wired backbone network. This function is also called wireless repeating or
bridging.
Choose
Wireless Settings > Wireless Repeating Function
and the Wireless Repeater
page appears.
The following table describes parameters in this page:
Item
Description
Enable Wireless Repeater
Enable or disable wireless repeating.
If the channel is set to Auto, this function cannot be
enabled. If you try enabling the function when the channel
is set to Auto, the system gives an error and automatically
switches to the Wireless Basic Settings page, where you
can change the channel.

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