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Chapter 9 Wireless LAN
EMG2926-Q10A User’s Guide
71
Number) in the devices. Then, they connect and set up a secure network by themselves. See how
to set up a secure wireless network using WPS in the
Section 6.2 on page 37
.
9.2
General Wireless LAN Screen
Use this screen to configure the SSID and wireless security of the wireless LAN.
Note: If you are configuring the EMG2926-Q10A from a computer connected to the
wireless LAN and you change the EMG2926-Q10A’s SSID, channel or security
settings, you will lose your wireless connection when you press
Apply
to confirm.
You must then change the wireless settings of your computer to match the
EMG2926-Q10A’s new settings.
Click
Network
>
Wireless LAN 2.4G/5G
to open the
General
screen.
Figure 33
Network > Wireless LAN 2.4G/5G > General
The following table describes the general wireless LAN labels in this screen.
Table 18
Network > Wireless LAN 2.4G/5G > General
LABEL
DESCRIPTION
Wireless LAN
Select
Enable
to activate the 2.4GHz and/or 5GHz wireless LAN. Select
Disable
to turn it
off.
Note: You can enable or disable both 2.4GHz and 5GHz wireless LANs by using the
WIFI
button located on the side panel of the EMG2926-Q10A.
Name (SSID)
The SSID (Service Set IDentity) identifies the Service Set with which a wireless client is
associated. Enter a descriptive name (up to 32 printable characters found on a typical
English language keyboard) for the wireless LAN.
Hide SSID
Select this check box to hide the SSID in the outgoing beacon frame so a station cannot
obtain the SSID through scanning using a site survey tool.
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Chapter 9 Wireless LAN
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72
Channel Selection
Set the operating frequency/channel depending on your particular region.
Select a channel from the drop-down list box. The options vary depending on the
frequency band and the country you are in.
Refer to the Connection Wizard chapter for more information on channels. This option is
only available if
Auto Channel Selection
is disabled.
Auto Channel
Selection
Select this check box for the EMG2926-Q10A to automatically choose the channel with
the least interference. Deselect this check box if you wish to manually select the channel
using the
Channel Selection
field.
Operating
Channel
This displays the channel the EMG2926-Q10A is currently using.
Channel Width
Select the wireless channel width used by EMG2926-Q10A.
A standard 20 MHz channel offers transfer speeds of up to 144Mbps (2.4GHz) or 217Mbps
(5GHZ) whereas a 40MHz channel uses two standard channels and offers speeds of up to
300Mbps (2.4GHz) or 450Mbps (5GHZ). An IEEE 802.11ac-specific 80MHz channel offers
speeds of up to 1.3Gbps.
Because not all devices support 40 MHz and/or 80 MHz channels, select
Auto 20/40
MHz
or
Auto 20/40/80 MHz
to allow the EMG2926-Q10A to adjust the channel
bandwidth automatically.
40 MHz
(channel bonding or dual channel) bonds two adjacent radio channels to increase
throughput. A
80 MHz
channel consists of two adjacent 40 MHz channels. The wireless
clients must also support
40 MHz
or
80 MHz
. It is often better to use the 20 MHz setting
in a location where the environment hinders the wireless signal.
Select
20 MHz
if you want to lessen radio interference with other wireless devices in your
neighborhood or the wireless clients do not support channel bonding.
802.11 Mode
If you are in the
Wireless LAN 2.4G > General
screen, you can select from the
following:
802.11b
: allows either IEEE 802.11b or IEEE 802.11g compliant WLAN devices to
associate with the EMG2926-Q10A. In this mode, all wireless devices can only
transmit at the data rates supported by IEEE 802.11b.
802.11g
: allows IEEE 802.11g compliant WLAN devices to associate with the Device.
IEEE 802.11b compliant WLAN devices can associate with the EMG2926-Q10A only
when they use the short preamble type.
802.11bg
: allows either IEEE 802.11b or IEEE 802.11g compliant WLAN devices to
associate with the EMG2926-Q10A. The EMG2926-Q10A adjusts the transmission rate
automatically according to the wireless standard supported by the wireless devices.
802.11n
: allows IEEE 802.11n compliant WLAN devices to associate with the
EMG2926-Q10A. This can increase transmission rates, although IEEE 802.11b or IEEE
802.11g clients will not be able to connect to the EMG2926-Q10A.
802.11gn
: allows either IEEE 802.11g or IEEE 802.11n compliant WLAN devices to
associate with the EMG2926-Q10A. The transmission rate of your EMG2926-Q10A
might be reduced.
802.11 bgn
: allows IEEE802.11b, IEEE802.11g and IEEE802.11n compliant WLAN
devices to associate with the EMG2926-Q10A. The transmission rate of your
EMG2926-Q10A might be reduced.
If you are in the
Wireless LAN 5G > General
screen, you can select from the following:
802.11a
: allows only IEEE 802.11a compliant WLAN devices to associate with the
EMG2926-Q10A.
802.11a/an
: allows both IEEE802.11n and IEEE802.11a compliant WLAN devices to
associate with the EMG2926-Q10A. The transmission rate of your EMG2926-Q10A
might be reduced.
802.11a/an/ac
: allows both IEEE802.11a, IEEE802.11n and IEEE802.11ac
compliant WLAN devices to associate with the EMG2926-Q10A. The transmission rate
of your EMG2926-Q10A might be reduced.
Table 18
Network > Wireless LAN 2.4G/5G > General (continued)
LABEL
DESCRIPTION
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Chapter 9 Wireless LAN
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73
See the rest of this chapter for information on the other labels in this screen.
9.3
Wireless Security
The screen varies depending on what you select in the
Security Mode
field.
9.3.1
No Security
Select
No Security
to allow wireless clients to communicate with the access points without any
data encryption.
Note: If you do not enable any wireless security on your EMG2926-Q10A, your network is
accessible to any wireless networking device that is within range.
Figure 34
Network > Wireless LAN 2.4G/5G > General: No Security
Security Mode
Select
Static WEP
,
WPA-PSK
,
WPA
,
WPA2-PSK
or
WPA2
to add security on this
wireless network. The wireless clients which want to associate to this network must have
same wireless security settings as this device. After you select to use a security,
additional options appears in this screen. See
Section 9.3 on page 73
for detailed
information on different security modes. Or you can select
No Security
to allow any
client to associate this network without authentication.
Note: If the WPS function is enabled (default), only
No Security
and
WPA2-PSK
are
available in this field.
Apply
Click
Apply
to save your changes back to the EMG2926-Q10A.
Cancel
Click
Cancel
to reload the previous configuration for this screen.
Table 18
Network > Wireless LAN 2.4G/5G > General (continued)
LABEL
DESCRIPTION
Page 74 / 236
Chapter 9 Wireless LAN
EMG2926-Q10A User’s Guide
74
The following table describes the labels in this screen.
9.3.2
WEP Encryption
WEP encryption scrambles the data transmitted between the wireless stations and the access points
to keep network communications private. It encrypts unicast and multicast communications in a
network. Both the wireless stations and the access points must use the same WEP key.
Your EMG2926-Q10A allows you to configure up to four 64-bit or 128-bit WEP keys but only one key
can be enabled at any one time.
Select
Static WEP
from the
Security Mode
list.
Table 19
Network > Wireless LAN 2.4G/5G > General: No Security
LABEL
DESCRIPTION
Security Mode
Choose
No Security
from the drop-down list box.
Apply
Click
Apply
to save your changes back to the EMG2926-Q10A.
Cancel
Click
Cancel
to reload the previous configuration for this screen.
Page 75 / 236
Chapter 9 Wireless LAN
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75
Figure 35
Network > Wireless LAN 2.4G/5G > General: Static WEP
The following table describes the wireless LAN security labels in this screen.
Table 20
Network > Wireless LAN 2.4G/5G > General: Static WEP
LABEL
DESCRIPTION
Security Mode
Select
Static WEP
to enable data encryption.
PassPhrase
Enter a Passphrase (up to 26 printable characters) and click
Generate
.
A passphrase functions like a password. In WEP security mode, it is further converted by
the EMG2926-Q10A into a complicated string that is referred to as the “key”. This key is
requested from all devices wishing to connect to a wireless network.
WEP Encryption
Select
64-bits
or
128-bits
.
This dictates the length of the security key that the network is going to use.
Authentication
Method
Select
Auto
or
Shared Key
from the drop-down list box.
This field specifies whether the wireless clients have to provide the WEP key to login to
the wireless client. Keep this setting at
Auto
unless you want to force a key verification
before communication between the wireless client and the EMG2926-Q10A occurs.
Select
Shared Key
to force the clients to provide the WEP key prior to communication.

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