3-17
Performance Tests
PDH Transmitter Output (UKK, [USB], UKJ, [USA]
34.368 Mb/s Unbalanced Output
31. Press and set up the
display as shown opposite.
32. Press on the
oscilloscope.
33. Select the 34 Mb G.703 mask on the
oscilloscope and store it on the display.
34. Repeat steps 13 through 23 (in step 21
ensure the peak pulse amplitude is 0.9V to
1.1V) to verify the 34 Mb/s unbalanced
output.
Figure 3-8 34 Mb/s Pulse Mask
NOTE If your oscilloscope does not have the Mask feature, obtain a printout of the displayed
pulse. Place the mask, shown in Figure 3-8, over the pulse and ensure that the pulse
falls within the mask. (A transparent copy of the mask should be used).
TRANSMIT
AUTOSCALE
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