R&S SMJ100A, Operating Manual

Page: 45 / 874

Preparing for Use
R&S
®
SMJ100A
29 Operating Manual 1403.7458.32 ─ 14
REF IN
Input for external reference signal.
See also Chapter 5.5.4, "Reference Oscillator" , on page 209.
EXT MOD
Input for external analog modulation signals.
See also "External Modulation Sources" on page 241.
IEC 625/IEEE 488
IEC-bus (IEEE 488) interface for remote control of the instrument.
See also Chapter A.1, "GPIB Bus Interface" , on page 823 and Chapter 6.1.4, "GPIB
Interface (IEC/IEEE Bus Interface)" , on page 444.
Note: In order to avoid electromagnetic interference (EMI) caused by open lines,
always terminate any connected IEC-bus cable with an instrument or a controller.
USB CONNECTORS TYPE A
USB (universal serial bus) interfaces of type A (host USB).
●
Connection of peripherals such as mouse, keyboard, etc.
●
Connection of memory stick for file transmission
●
Firmware update
Further USB interface type A are available on the front panel.
See also Chapter 2.4.1, "Connecting USB Devices" , on page 39.
USB IN
USB (universal serial bus) interface of type B (device USB).
This port is reserved for future extensions.
MONITOR
Connector for external monitor (see Chapter 2.4.2, "Connecting a Monitor" ,
on page 41).
For description of this connector, refer to Chapter A.3, "Monitor Connector (MONI-
TOR)" , on page 826.
AUX I/O
Parallel input/output for data signals as well as settable trigger and control signals of
the baseband. Input for device trigger.
Assignment of the AUX I/O interface and of USER pins can be configured in the "Setup
> Global Trigger/Clock/External Inputs" and "Setup > USER Marker / AUX I/O Set-
tings".
Note: An adapter of the AUX I/O interface to coaxial BNC connectors is available as
an accessory (R&S SMJ-Z5, see data sheet).
See also Chapter 5.2.3.10, "Global Trigger/Clock/External Input Settings" ,
on page 141 and Chapter 5.2.3.12, "User Marker / AUX I/O Settings" , on page 144.
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