Configuring the Signal in the RF Domain
R&S
®
SMW200A
541User Manual 1175.6632.02 ─ 16
Requires the following cables, depending on the used sensor type:
– R&S NRP-ZKU (USB interface cable) for R&S NRPxx power sensors
– R&S NRP-Z3 or R&S NRP-Z4 (USB adapter cables) for sensors of the R&S
NRP-Zxx family
●
Connection via R&S NRP-Z5 sensor hub
The R&S NRP-Z5 USB sensor hub (high-speed USB 2.0) can host up to 4 R&S
NRP sensors. It provides simultaneous internal and external triggering of all con-
nected sensors.
Requires additional cables, depending on the used output connector of the hub.
Choose one of the following:
– Short extension cable R&S NRP-Z2 for connection to the sensor connector.
This six-pole connection provides the external trigger capability.
– Standard USB cable (USB type A to USB type B) to any USB type A connector
of the R&S SMW. This connection does not support external triggering.
●
Connection via USB hub with external power supply unit
Requires the following cables, depending on the used sensor type:
– R&S NRP-ZKU (USB interface cable) for R&S NRPxx power sensors
– 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 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.
7.8.4.2 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.
Improving Level Performance
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