Rohde & Schwarz ZNB20, User Manual

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Getting Started
R&S
®
ZNB/ZNBT
36 User Manual 1173.9163.02 ─ 38
– Error <error code>: severe errors (e.g. FW boot errors, HW errors)
●
Control mode:
–
"Local": manual interaction (e.g. via Remote Desktop)
– "Remote": remote control (using a script) via a LAN or GPIB connection
USB Connectors
Two USB 2.0 connectors of type A (master USB) are provided on the front panel. They
can be used to connect
●
external PC accessories such as mouse or other pointing devices, a keyboard,
printer or external storage device (USB stick, CD-ROM drive etc.)
●
external measurement equipment such as a calibration unit, power meter, signal
generator or switch matrix
The length of passive connecting USB cables should not exceed 1 m. The maximum
current per USB port is 500 mA. See also
Chapter 3.1.5, "EMI Suppression" ,
on page 17.
LED controls
Above the standby toggle switch some LEDs indicate various status information:
●
ERR: operation state; if an error occurs, the LED lights up red; for more information
on errors and troubleshooting see the R&S
ZNB/ZNBT User Manual
●
LAN: LAN error occurred
●
PWR: power state (ready/standby); see Chapter 3.1.8, "Standby and Ready State" ,
on page 19
Standby key
The standby key is located at the lower right-hand corner of the front panel. It serves
two main purposes:
●
Toggle between standby and ready state; see Chapter 3.1.8, "Standby and Ready
State" , on page 19.
●
Shut down the instrument; see Chapter 3.1.7, "Starting the Analyzer and Shutting
Down" , on page 18.
3.2.3 Rear Panel R&S ZNB
This section gives an overview of the rear panel controls and connectors of the net-
work analyzer.
Instrument Tour