Getting Started
R&S
®
ZNL/ZNLE
52
User Manual 1178.5966.02 ─ 07
Risk of electric shock!
If external power supply units for supplying safety extra-low DC voltage (SELV) to the
instrument are used, the requirements for reinforced/double insulation in accordance
with DIN/EN/IEC 61010 (UL 3111, CSA C22.2 No. 1010.1) or DIN/EN/IEC 60950 (UL
1950, CSA C22.2 No. 950) must be met. Current limitation must be provided in accord-
ance with DIN EN 61010-1 Appendix F2.1.
Otherwise there is a risk of electric shock.
5.2.2.2
AC Power Supply Connection and Main Power Switch
An AC power supply connector and main power switch are located in a unit on the rear
panel of the instrument.
Main power switch function:
Position 1: The instrument is in operation.
Position O: The entire instrument is disconnected from the AC power supply.
Chapter 5.1.1.4, "Connecting the AC Power"
5.2.2.3
GPIB Interface
The optional GPIB interface (R&S
FPL1-B10) is in compliance with IEEE488 and
SCPI. A computer for remote control can be connected via this interface. To set up the
connection, a shielded cable is recommended.
For details see "Interfaces and Connectors" in the appendix of the user manual or
online help.
For details see
Chapter 12.3.2, "GPIB Interface"
5.2.2.4
Ref. In / Ref. Out
The Ref. In connectors are used to provide an external reference signal to the
R&S
ZNL/ZNLE.
The Ref. Out connectors can be used to provide a reference signal from the R&S
ZNL/
ZNLE to other devices that are connected to this instrument.
Various connectors are provided for different reference signals:
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