Instrument tour
R&S
®
ZCxxx
18
Getting Started 1177.5156.02 ─ 05
If an error occurs, a warning message on the VNA indicates the current
error condition (fan, voltage, temperature). Warning message and converter
LED remain in the respective state as long as the error condition persists. If
more than one error condition applies, warning message and LED show the
most severe one.
4.3.2
RF connectors – IN
Two 2.92 mm female input connectors: LO IN (local oscillator signal
input) and RF IN (RF source signal input).
For correct cabling, refer to
Chapter 5.2, "Input connectors (RF IN,
4.3.3
RF connectors – OUT
Two SMA female output connectors: MEAS OUT (measurement
signal output) and REF OUT (reference signal output).
For correct cabling, refer to
Chapter 5.3, "Output connectors
4.3.4
USB connector
The USB Type B connector is used to connect the R&S
ZCxxx to the
VNA (control connection).
4.3.5
Attenuator control connector (R&S
ZC90E only)
The R&S
ZC90E is equipped with an electronic attenuator that can
be controlled from the R&S
ZVA via hardware option R&S
ZVA-B8.
The three-pin control connector receives the control signal.
R&S
ZNA and R&S
ZVT do not offer the external attenuator control inter-
face.
Rear panel