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Instrument tour

R&S

LCX Series

31Getting Started 1179.2254.02 ─ 03

Switch for connecting and disconnecting the internal power supply from the

power source, see Chapter 3.10, "Switching on or off", on page 24.

●

Fuse holder

Socket for the fuse securing the line voltage. Depending on the power supply

system, the corresponding fuse must be plugged before connecting to power.

See "Connecting to power" on page 19.

●

IEC socket

Power supply connector for connecting the R&S LCX to the mains., see Chap-

ter 3.6, "Connecting to power", on page 17.

Ground terminal

Protective ground terminal to secure the R&S LCX, e.g. with a grounded external

conductor, see Table 1-1.

Digital I/O

15-pole D-Sub socket to connect the binning interface.

External Voltage Bias

4 mm safety sockets for external bias voltage.

Note: External BIAS requires constant voltage.

Before applying the voltage, make sure that you have set the constant voltage

mode in the supplying instrument. Refer to the user manual of the power supply.

The External Voltage Bias socket is not directly connected to ground.

Indirectly, there is a connection to ground with low impedance over the "H CUR"

output buffer.

When the bias voltage is turned on, the potential to ground deviates only by a

maximum of ±18 V. Without external bias, make sure that the voltage at the two

sockets does not exceed the safety extra low voltage or the specified 40 V DC.

BIAS Fuse

Socket for the fuse securing the external bias voltage.

Trigger Input

BNC socket for external trigger signal.

The trigger input is directly connected to the mains safety ground by the line cord.

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R&S LCX Series Getting Started

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