Siemens SCALANCE W1780 Configuration Manual page 241

● Background Scan Mode
While the client is connected to an access point, it scans for other access points in the
background with which it can connect when necessary. Specify the mode for the scan.
The following options are available:
– Always
– Idle
– Disabled
● Background Scan Interval [ms]
Specify the interval at which further access points are scanned.
● Background Scan Threshold [dBm]
Specify the threshold. If the threshold is undershot, the client searches for further access
points.
Table 2 has the following columns:
● Radio
Shows the WLAN interface.
● Scan Channels
Shows the channels on which the client searches for an access point. The display depends
on the wireless approvals of the selected country and the settings for "Allowed Channels".
Table 3 has the following columns:
● Radio
Shows the WLAN interface.
● Enabled
Enables or disables the relevant SSID.
● SSID
Enter the SSID of the access point with which the client will connect.
For the SSID, ASCII code 0x20 to 0x7e is used.
● Security
Select a security context. You create and configure a security context in "Security > WLAN
> Basic".
Default setting: Context 1
Procedure
1. From the "MAC Mode" drop-down list, select the required assignment of the MAC address.
2. In table 3, enter an SSID for "SSID".
3. Select a security context.
4. Enable the required SSID.
The "Any SSID" function is disabled.
5. Click the "Set Values" button.
SCALANCE W1780/W1740 according to IEEE 802.11ac Web Based Management
Configuration Manual, 11/2019, C79000-G8976-C485-03
If the background scan threshold is undershot, the client searches continuously for
access points.
If there is no data transfer for a certain time, a scan is started for further access points.
As long as the client is connected, there is no scan for further access points.
Configuring with Web Based Management
6.6 "Interfaces" menu
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