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Page 41 / 94 Scroll up to view Page 36 - 40
TD-W8951NB
150Mbps Wireless N ADSL2+ Modem Router (Annex B) User Guide
33
¾
Access point Settings:
These are the settings of the access point. You can configure the
rules to allow wireless-equipped computers and other devices to communicate with a wireless
network.
•
Access point:
Select Activated to allow wireless station to associate with the access
point.
•
Channel:
Select your region and the channel you want to use from the drop-down List of
Channel. This field determines which operating frequency will be used. It is not
necessary to change the default channel unless you notice interference problems with
another nearby access point.
•
Transmit Power:
Here you can specify the transmit power of Router. You can select
High, Medium or Low which you would like. High is the default setting and is
recommended.
•
Beacon Interval:
Enter a value between 20-1000 milliseconds. The Beacon Interval
value indicates the frequency interval of the beacon. A beacon is a packet broadcast by
the Router to synchronize the wireless network. The default value is 100.
•
RTS/CTS Threshold:
Should you encounter inconsistent data flow, only minor reduction
of the default value 2347 is recommended. If a network packet is smaller than the preset
RTS threshold size, the RTS/CTS mechanism will not be enabled. The Router sends
Request to Send (RTS) frames to a particular receiving station and negotiates the
sending of a data frame. After receiving an RTS, the wireless station responds with a
Clear to Send (CTS) frame to acknowledge the right to begin transmission. In most cases,
keep its default value of 2347.
•
Fragmentation Threshold:
This value specifies the maximum size for a packet before
data is fragmented into multiple packets. If you experience a high packet error rate, you
may slightly increase the Fragmentation Threshold. Setting the Fragmentation Threshold
too low may result in poor network performance. Only minor reduction of the default value
is recommended. In most cases, it should remain at its default value of 2346.
•
DTIM:
This value, between 1 and 255, indicates the interval of the Delivery Traffic
Indication Message (DTIM). A DTIM field is a countdown field informing clients of the next
window for listening to broadcast and multicast messages. When the Router has buffered
broadcast or multicast messages for associated clients, it sends the next DTIM with a
DTIM Interval value. Its clients hear the beacons and awaken to receive the broadcast
and multicast messages. The default value is 1.
•
Wireless Mode:
In the drop-down list you can select “802.11b”, “802.11g”, “802.11n”,
“802.11b+g”, “802.11g+n” and “802.11b+g+n”. “802.11b+g+n” allows 802.11b, 802.11g
and 802.11n wireless stations to connect to the Router.
Page 42 / 94
TD-W8951NB
150Mbps Wireless N ADSL2+ Modem Router (Annex B) User Guide
34
¾
11n Settings:
These are the settings of the 11n parameters. If “802.11n”, “802.11g+n” or
“802.11b+g+n” is selected for
Wireless mode
, these settings will be displayed.
•
Channel Bandwidth:
Select the Bandwidth you want to use from the drop-down List.
There are two options, “20 MHz” and “20/40 MHz”. If bigger bandwidth is selected, device
could transmit and receive data with higher speed.
•
Extension Channel:
If “20/40 MHz” is selected, this option will be displayed.
•
Guard Interval:
Select the guard interval you want from the drop-down list.
•
MCS:
Select the wireless transmission rate from the drop-down list. By default, the option
is AUTO.
¾
Multiple SSIDs Settings:
These are the settings of the SSID.
•
SSID Index:
The index of the SSID, and in this model, you can only leave it as a default
value of 1.
•
Broadcast SSID:
When wireless clients survey the local area for wireless networks to
associate with, they will detect the SSID broadcast by the Router. To broadcast the
Router’s SSID, keep the default setting. If you don’t want to broadcast the Router’s SSID,
select “No”.
•
Use WPS:
Use WPS (Wi-Fi Protected Setup) function, you can add a new wireless
device to an existing network quickly. To Use WPS, keep the default setting, and
configure the parameters in
WPS Settings
. If you don’t want to Use WPS, select “No”,
then you will see the screen as shown below.
Figure 4-15
•
SSID:
Wireless network name shared among all points in a wireless network. The SSID
must be identical for all devices in the wireless network. It is case-sensitive and must not
exceed 32 characters (use any of the characters on the keyboard). Make sure this setting
is the same for all stations in your wireless network. Type the desired SSID in the space
provided.
•
Authentication Type:
Select an authentication type from the drop-down list, which
allows you to configure security features of the wireless LAN interface. Options available
are: Disabled, WEP-64Bits, WEP-128Bits, WPA-PSK, WPA2-PSK, and WPA-PSK/
WPA2-PSK.
Page 43 / 94
TD-W8951NB
150Mbps Wireless N ADSL2+ Modem Router (Annex B) User Guide
35
1)
WEP-64Bits
To configure WEP-64Bits settings, select the WEP-64Bits option from the drop-down list. The
menu will change to offer the appropriate settings. WEP-64Bits is a data privacy mechanism
based on a 64-bit shared key algorithm, as described in the IEEE 802.11g standard.
Figure 4-16
2)
WEP-128Bits
To configure WEP-128Bits settings, select the WEP-128Bits option from the drop-down list.
The menu will change to offer the appropriate settings. 128-bit is stronger than 64-bit.
Figure 4-17
3)
WPA-PSK
To configure WPA-PSK settings, select the WPA-PSK option from the drop-down list. The
menu will change to offer the appropriate settings. WPA-PSK requires a shared key and does
not use a separate server for authentication. PSK keys can be ASCII or Hex type.
Page 44 / 94
TD-W8951NB
150Mbps Wireless N ADSL2+ Modem Router (Annex B) User Guide
36
Figure 4-18
¾
Encryption:
Select the encryption you want to use: TKIP/AES, TKIP or AES (AES is an
encryption method stronger than TKIP).
•
TKIP
(
T
emporal
K
ey
I
ntegrity
P
rotocol) - a wireless encryption protocol that provides
dynamic encryption keys for each packet transmitted.
•
AES
(
A
dvanced
E
ncryption
S
tandard) - A security method that uses symmetric
128-bit block data encryption.
¾
Pre-Shared Key:
Enter the key shared by the Router and your other network devices. It
must have 8-63 ASCII characters or 64 Hexadecimal digits.
4)
WPA2-PSK
To configure WPA2-PSK settings, select the WPA2-PSK option from the drop-down list. The
menu will change to offer the appropriate settings. WPA2-PSK requires a shared key and
does not use a separate server for authentication. PSK keys can be ASCII or Hex type.
Figure 4-19
5)
WPA-PSK/WPA2-PSK
To configure WPA-PSK/WPA2-PSK settings, select the WPA-PSK/WPA2-PSK option from
the
drop-down
list.
The
menu
will
change
to
offer
the
appropriate
settings.
WPA-PSK/WPA2-PSK requires a shared key and does not use a separate server for
authentication. PSK keys can be ASCII or Hex type. WPA-PSK/WPA2-PSK is more flexible
than WPA-PSK or WPA2-PSK.
Page 45 / 94
TD-W8951NB
150Mbps Wireless N ADSL2+ Modem Router (Annex B) User Guide
37
Figure 4-20
4.3.3.1 WPS Settings
¾
WPS Settings:
WPS can help you to add a new wireless device to an existing network
quickly. This section will guide you how to use WPS function.
•
WPS state:
Display the current WPS state.
•
WPS mode:
If the wireless adapter supports Wi-Fi Protected Setup (WPS), you can
establish a wireless connection between wireless adapter and Router using either Push
Button Configuration (PBC) method or PIN method, please select the one you want.
•
WPS progress:
Show the current WPS progress.
•
Reset to OOB:
Use this button to reset the WPS state to “unconfigured”, so that a new
key will be created when using WPS function next time.
1)
PBC
If the wireless adapter supports Wi-Fi Protected Setup and the Push Button Configuration
(PBC) method, you can add it to the network by PBC with the following two methods. Click
PBC
, you will see the screen as shown below.
Figure 4-21
Method One:
Step 1:
Press the WPS button on the front panel of the Router or click
Start WPS
button in
Figure 4-21.

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