Keysight M8000 Series of BER Test Solutions User Guide 131
User Interface - M8020A Display Views 4
• Ref Clk Out: The reference clock output is used to provide a 10 MHz or
100 MHz reference clock to the DUT or other test equipment (SMA,
female).
• Clock Out: The clock out port serves as frequency (bit rate) references.
If we want to operate the external device at the system clock frequency
then the device operating frequency can be set up using the clock out.
• Trig Out: Trig Out serves as an output port of the Generator. It allows
you to connect a trigger for another device which can be used to
provide a 10 MHz or
100 MHz reference clock to the DUT or other test equipment.
• Sys Out A/Sys Out B: System level control outputs used to signal
events to the DUT or external instruments.
• Ctrl Out A: The module has one control output at the front panel with
the following selectable functionality of Error Output.
• Sys In A/Sys In B: System level control inputs used to generate
sequencer events.
• Ctrl In A/Ctrl In B: The M8041A and M8051A modules has two control
inputs at the front panel each with the following selectable
functionality of Error Add Input, Output Blanking, Electrical Idle and
Gating Input.
M8061A Module
The M8061A (32 Gb/s Multiplexer with De-emphasis) module has the
following input and output ports:
• Data In - The M8061A has two Data In ports; Data In 1 and Data In 2
which are used to receive data from M8041A.
• Data Out: The M8061A Data Out port is used to provide the signals to
DUT.
• Elect Idle In: This port is used to enable/disable the output signal by
an external control signal. If the input level is above the threshold level
the module enters electrical idle.
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