● Selected Alternative DFS Channels
– Channel number (frequency) or Auto
When a fixed channel is set for "Alternative DFS Channel", this channel is shown
including frequency.
– At 80 MHz only and with fixed channel: Channel range
Four channels are required for the 80 MHz channel bandwidth in the corresponding
channel range. The channel range consists of the channel configured for "Channel" and
the three next channels.
● Channel Width [MHz]
You can only specify the channel bandwidth with the IEEE 802.11n and IEEE 802.11ac
transmission standards.
The following settings are possible.
– 20 MHz
– 40 MHz
Only with IEEE 802.11ac:
– 80 MHz
– 160 MHz (not with SCALANCE W1788-2IA M12)
There are only enough channels available for operation at 160 MHz if DFS is activated.
Table 2 has the following columns:
● Radio
Shows the available WLAN interfaces.
● Available Channels
This box displays the permitted channels. The display depends on the wireless approvals
of the currently selected country and the settings on the "Allowed Channels" page.
Table 3 has the following columns:
● Radio
Shows the WLAN interface.
● Port
Shows the VAP interface.
● Enabled
To use the required VAP interface, select this check box.
● SSID
Enter the SSID of the WLAN. The length of the character string for SSID it is 1 to 32
characters.
The ASCII code 0x20 to 0x7e is used for the SSID.
Configuring with Web Based Management
6.6 "Interfaces" menu
SCALANCE W1780/W1740 according to IEEE 802.11ac Web Based Management
Configuration Manual, 11/2019, C79000-G8976-C485-03 253
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