Tektronix OI1125, Instruction Manual

Page: 54 / 88

Performance Verification
42
OI1125 E/O Transmitter Instruction Manual
3. Set the Signal Conditioning mode:
a. In the Wavelength field, select 1550 from the drop-down menu.
b. In the Filter field, select OC-192 from the drop-down menu.
4. Select the Horz tab to set the horizontal parameters.
a. In the All Timebases box, set the Mode field to Short Term Jitter from
the drop-down menu.
5. Select the Acq tab to set the acquisition parameters.
a. In the Stop After box, select Run/Run Stop.
6. Select the Trig tab to set the trigger parameters.
a. In the Trigger Source box, select External Direct.
Preview the Eye Pattern.
1. Set the BERT data and clock outputs on.
2. Enable the transmitter.
3. Turn on the channel that the optical module is plugged into.
4. Press Autoset.
The oscilloscope displays an eye pattern as shown in Figure 16 on page 43.