HP 37718A Installation And Verification Manual page 131

Figure 3-4
Performance Tests
STM-1/STS-3 Transmitter Output Waveshape
All Ones Pulse
1 Connect up the equipment as shown in Figure 3-4 and Recall
HP37718A/19A DEFAULT SETTINGS as shown on page 3-2.
STM-1/STS-3 Transmitter Output Waveshape Test Setup
2 Press
TRANSMIT
display as shown opposite.
3 Press
OTHER
CALIBRATION
enter the calibration password -
1243. Set up the display as shown
opposite.
4 Connect the 52/155 Mb/s 75Ω
DATA OUT port to the
Oscilloscope, terminate in 75Ω.
5 Select CHAN on the oscilloscope
and set to 1MΩ input impedance.
and set up the
and
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