Tektronix NetTek YBT1E1, Руководство пользователя

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Testing a Circuit
NetTek YBT1E1 T1 & E1 Circuit Tester User Manual
3- 13
Figure 3- 9: Auto Test BERT Pattern Selection dialog
2. Select a Pattern Sequence from the drop-down list box:
H
Acceptance.ber. Runs a standard sequence of BER patterns
that you can use as an acceptance criteria for new circuits.
H
AMI Stress.ber. Runs a sequence of BER patterns designed to
stress equipment configured for AMI line coding.
H
B8ZS Stress.ber (Option T1 only). Contains a sequence of
BER patterns designed to stress equipment configured for
B8ZS line coding.
H
HDB3 Stress.ber (Option E1 only). Contains a sequence of
BER patterns designed to stress equipment configured for
HDB3 line coding.
H
filename .ber. User-created BER pattern sequence files. See
Creating Custom Pattern Sequence Tests on page 3--15 for
information on how to use the editor.
3.
The dialog displays the selected sequence information (pattern
type and duration) in the Pattern Sequence window.
4. Select Start Test .