Instrument Tour
R&S
®
ZNB/ZNBT
37Getting Started 1316.0062.02 ─ 26
Index Label Description
10 REF OUT BNC output for the internal reference frequency of the R&S ZNBT. Use this connec-
tor to synchronize other instruments to the analyzer.
11 REF IN BNC input for an external reference frequency. Use this connector to synchronize
the R&S ZNBT to another device.
12 SYSTEM
DRIVE
Contains the removable system hard disk of the R&S ZNBT, containing all software
(including the operating system and the VNA application) and data. No other hard
disk is built in. Do not remove the disk during operation.
Option R&S ZNBT-B19 Var. 11 provides an additional removable HD (including 64bit
operating system and firmware) for instruments equipped with controller LPW11.
Option R&S ZNBT-B19 Var. 10 provides an additional removable HD (including 64bit
operating system and firmware) for a R&S ZNBT8 equipped with controller LPW10.
13 (Ground
connector)
The ground connector provides the ground of the analyzer's supply voltage. Use this
connector for ESD protection; see "Instrument damage caused by electrostatic dis-
charge" on page 12.
14 Digital I/O Used to connect an external Handler I/O (option R&S ZNBT-Z14), providing a Cen-
tronics 36 input/output connector.
Table 3-4: Optional rear panel connectors
Index Label Description
15 DC INPUT Option R&S ZNBT-B81"DC Inputs" provides four BNC inputs for DC measurements
(adjustable to different voltage ranges).
16 Device
Control
This slot can be equipped with option R&S ZNBT-B12, providing a PCIe and a Direct
Control connector.
17 GPIB Option R&S ZNBT-B10 provides a GPIB bus connector according to standard IEEE
488 / IEC 625.
Input levels, EMC
The maximum input levels and voltages of the input connectors at the front and rear
panel must not be exceeded. Match signals with 50 Ω to comply with EMC directives.
See also Chapter 2.5, "EMI Suppression", on page 13.
Rear Panel R&S ZNBT
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