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VNA Concepts and Features
R&S
®
ZNL/ZNLE
256
User Manual 1178.5966.02 ─ 07
Safety instructions
Please observe the safety instructions in the "Technical Information" provided with the
calibration unit to avoid any damage to the unit and the network analyzer. Safety-rela-
ted aspects of the connection and operation of the units are also reported in the follow-
ing sections.
8.5.5.1
Connecting the Calibration Unit
The calibration units provide the following connectors:
●
USB type B connector at the rear, which is used to power-supply and control the
unit. A USB cable for connection to the network analyzer is provided with the cali-
bration unit.
●
RF connectors, which are connected to the test ports. For all Rohde & Schwarz
calibration units except a customized R&S
ZN-Z51, the connector types are equal
To connect the unit,
1. Switch on and power up your network analyzer.
2. To protect your equipment against ESD damage, use the wrist strap and grounding
cord supplied with the instrument and connect yourself to the GND connector at
the front panel.
3. Connect the USB type A connector of the USB cable to any of the USB type A con-
nectors of the analyzer. Connect the USB type B connector of the USB cable to the
USB type B connector of the calibration unit.
4. Wait until the operating system has recognized and initialized the new hardware.
When the unit is connected for the first time, this may take longer than in normal
use.
The unit is ready to be used, see
Chapter 8.5.5.2, "Performing an Automatic Calibra-
Calibration
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