Annexes
R&S
®
ZNL/ZNLE
1112User Manual 1178.5966.02 ─ 20
Pin Signal Description
21 READY FOR TRIG-
GER
Signal indicating that the instrument is ready to receive a trigger
signal.
The signal polarity is configurable (see "Wait for Trigger Polarity"
on page 134).
22 to 25 unused
EMI Suppression
Use only double shielded cables or disconnect the input pins of the Aux. Port connec-
tor to avoid spurious input signals which may cause undesirable events.
This is of particular importance for the external trigger input (pin no. 2) if the Trigger In
input is used.
14.2.2 GPIB interface
The R&S ZNL/ZNLE can be equipped with a GPIB (IEC/IEEE) bus interface (option
R&S FPL1-B10. The interface connector labeled "GPIB" is located on the rear panel of
the instrument. The GPIB bus interface is intended for remote control of the R&S ZNL/
ZNLE from a controller.
Characteristics of the interface
●
8-bit parallel data transfer
●
Bidirectional data transfer
●
Three-line handshake
●
High data transfer rate of max. 1 MByte/s
●
Up to 15 devices can be connected
●
Wired OR if several instruments are connected in parallel
Interfaces and connectors
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