Rohde & Schwarz 1323.0012.03, User Manual

Page: 974 / 1014

Annexes
R&S
®
ZNL/ZNLE
974 User Manual 1178.5966.02 ─ 07
*) Feeding in the external trigger signal via the BNC connector Trigger In is equivalent.
The minimum pulse width of the trigger signals is 1
µ
s.
Table 12-2: SA Aux. Port: Pole assignment
Pin Signal Description
1 to 11 unused
12 GND Ground
13 +5 V / max. 250 mA Supply voltage for external circuits
14 to 19 I/O_<no.> Control lines for user ports (see user manual)
20 unused
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 139).
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.
12.3.2 GPIB Interface
The R&S ZNL/ZNLE can be equipped with a GPIB (IEC/IEEE) bus interface (option
R&S ZNL/ZNLE-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
www.allice.de Allice Messtechnik GmbH