HP 37718A Installation And Verification Manual page 100

N OTE
Performance Tests
PDH/DSn Receiver Equalization
2.048Mb/s
23 Set the
TRANSMIT
shown opposite.
24 Connect Cable SimulatorE1
between the PDH/DSn 75Ω OUT
and 75Ω IN ports.
25 Press
RESULTS
then
SCAN
RUN/STOP
the measurement.
26 Ensure that NO TROUBLE is
displayed on the
display after 30 seconds.
27 Press
RUN/STOP
DS1 (1.544 Mb/s)
28 Set the
TRANSMIT
shown opposite.
29 Connect Cable Simulator DS1
between the 110Ω OUT and 110Ω
IN ports via two Balanced to
Unbalanced Converters (HP
15508B).
30 Press
RESULTS
then
SCAN
RUN/STOP
the measurement.
31 Ensure that NO TROUBLE is displayed on the
30 seconds.
32 Press
RUN/STOP
If Cable Simulator DS1 is not available, it is permissible to select DS1-LO
on the display and connect the 110Ω OUT port direct to the
TRANSMIT
110Ω ΙΝ port. This setup assumes the DS1-LO output signal is within
specification.
3-32
display as
TROUBLE
to start
RESULTS
to stop the measurement.
display as
TROUBLE
to start
to stop the measurement.
display after
RESULTS