Siemens IEEE802.11 Instructions d'exploitation Page 202

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Configuring with Web Based Management
5.6 "Interfaces" menu
SCALANCE W770/W730 to IEEE 802.11n Web Based Management
202 Configuration Manual, 11/2014, C79000-G8976-C323-03
Antennas
Configuration of external antennas
On this page, you configure the settings for the connected external antennas.
Note
50 Ω terminating resistor
Each WLAN interface has up to two antenna connectors. Connectors that are not used must
have a 50 Ω terminating resistor fitted.
The antenna R1A1 must be always be connected as soon as the associated WLAN Interface
is turned on. If no antenna is connected
, the relevant interface must also be disabled for Rx
and Tx. Otherwise, there may be transmission disruptions.
Description of the displayed boxes
The table has the following columns:
Connector
Shows the name of the relevant antenna connector.
Antenna Type
Select the type of external antenna connected to the device. If the type of your external
antenna is not available, select the entry "User defined"
.If you terminate an antenna connection using a 50 Ω terminating resistor, select the entry
"Not used (connect 50 Ohms Termination)".
Antenna Gain
If you select the "User defined" entry for the "Antenna Type", enter the antenna gain
manually in the "dBi" unit.
Antenna Gain 2.4 GHz [dBi]
Here, enter the antenna gain that the antenna has in the 2.4 GHz frequency band.
Antenna Gain 5 GHz [dBi]
Here, enter the antenna gain that the antenna has in the 5 GHz frequency band.
Cable Length [m]
Enter the length of the flexible antenna connecting cable in meters between the device
and the external antenna.
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