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Performance Tests

ETSI/ANSI Transmitter Output Level and Waveshape (Option UKZ)

e. MASK DS3 45 Mb ANSI T1.102 softkey.

f. STORE to M1 + M2 softkey.

g. STORE softkey.

8. Press the SHIFT key on the oscilloscope (colored blue), then MASK AUTO key,

then 1 key.

The oscilloscope will now automatically display and compare the isolated positive

pulse from the HP 37717C with the limits in the selected Telecom Mask.

NOTE It may be necessary to visibly check the waveform ﬁts the mask and manually adjust

amplitude and offset parameters on the oscilloscope to obtain a PASS on the Mask.

DSX-3 Negative Pulse

1. Select the HP 37717C TRANSMIT

page, select ATM LAYER and set as

follows;

2. Select CHAN on the oscilloscope and set OFFSET to -270 mV.

3. Select TRIG on the oscilloscope and set to PATTERN H X X X.

4. Select TIMEBASE on the Oscilloscope and set DELAY to -186 nS. Adjust the

delay manually until the negative pulse is centred on the oscilloscope display.

5. If using the HP 54503A oscilloscope, use the following key sequence to select

and store the correct Telecom Mask.

a. WFORM SAVE key.

b. MASK DS3 45 Mb ANSI T1.102 softkey.

c. STORE to M1 + M2.

d. STORE INVERSE.

HP 37717C Calibration Manual

Other manuals for HP 37717C