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6.10
Conducted Recordings
In some cases, users may require a cabled connection between the analyzer’s SMA connector
and the system under test, in lieu of antenna reception. This is referred to as
conducted
recording. This setup is particularly useful in order to avoid interferences and thus decrease
dramatically the packet error rate.
Some care must be taken with such a setup in order to not saturate the receivers of the devices
under test and of the analyzer. When the analyzer’s receiver is getting too much power, the
reception quality will drop and the capture file may be unusable. In that case the
RSSI
field for
the packets (in the
Details
pane) will be indicated as
Too High
.
Setting up a correct configuration is left to the user, but usually this involves adding external
attenuation for the devices and the analyzer. The analyzer has an additional capability to add
attenuation up to -30 dB, which may avoid the need for external attenuation.
Note that for performing conducted testing, the user will typically use a "Y"
cable (not supplied) in order to connect 2 d the analyzer. The Y cable
itself introduces some attenuation, and as a result, additional attenuation is
usually not necessary. Contact Ellisys for recommendations on third-party Y
cables.
6.11
Taking Captures Using the Web Control Interface
The
Web Control Interface
feature provides a method to control the analyzer’s capture
processes remotely, over a local area network (LAN). These processes include start capture,
stop capture, and save capture. The default port access is
8080
, but the user can specify a
different port as needed.
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Capturing Traffic
