Configuring the RF Signal
R&S
®
SMW200A
583User Manual 1175.6632.02 ─ 30
– R&S NRP-Z3 or R&S NRP-Z4 (USB adapter cables) for sensors of the R&S
NRP-Zxx family
●
Connection via LAN for R&S NRPxxxSN/xxxTN/xxxAN power sensors
Using the Ethernet interface requires PoE (Power over Ethernet) to provide the
electrical power.
To establish the connection, you can use:
– A PoE Ethernet switch, e.g. R&S NRP-ZAP1 and an RJ-45 Ethernet cable.
– A PoE injector and an RJ-45 Ethernet cable.
For details, see the description R&S
®
NRP
®
Series Power Sensors Getting Started.
Detection and mapping
The R&S SMW automatically detects a connected R&S NRP power sensor and indi-
cates it in the "NRP Power Viewer" and "NRP Sensor Mapping" dialogs.
By default, detected sensors are indicated as follows:
●
A sensor connected at the SENSOR socket is assigned as "Sensor 1".
If no sensor is connected to this socket, channel 1 remains unassigned.
●
Sensors 2 to 4 are assigned to the sensors at the USB connectors, according to
their sequence of connection.
You can change the default mapping in the NRP Sensor Mapping dialog.
On connection, the R&S SMW immediately starts the measurement of a detected R&S
NRP power sensor. If you perform an instrument preset ([PRESET] key or *RST), the
R&S SMW stops the measurements. The connection and the mapping of the power
sensors remain, the measurements must be restarted.
8.9.4.2 NRP Sensor Mapping
The "NRP Sensor Mapping" lists all R&S NRP sensors detected by the instrument.
Any R&S NRP sensor that supports the USB legacy protocol and is connected to one
of the USB interfaces, is detected automatically and added to the list. Vice versa, the
R&S SMW removes a sensor from the list, when it is disconnected.
R&S NRP sensors that are connected via LAN or use the USBTMC protocol are not
automatically detected. They are detected by the scan search function.
Improving Level Performance
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