Chapter 4 E1 Testing
Specifying test application settings
SmartClass E1 Tester User’s Guide 37
2 On the Configuration menu, select Perf. Settings, and then specify values
for the settings listed below:
3 If you need to specify other settings for the test, press Cancel to return to
the Configuration menu.
The performance settings are configured.
Specifying VF settings
You can specify the VF tone pattern as the signal you want to transmit, and the
VF timeslot for the receiver. You can also turn the speaker on or off and adjust
the speaker volume. This is only available in the E1 BERT application.
To specify VF settings
1 If you haven’t already done so, launch the E1 BERT test application (see
“Launching an E1 test application” on page 28).
2 On the Configuration menu, select VF Settings, and then specify values
for the following settings:
Setting Parameters
Perf. Spec Select the performance specification:
– G.821
– G.826
– M.2100
Path Allocation Enter a value, from 0.0% to 100%, to indicate the
percentage of the end-to-end target values that
must be met for the test path to be acceptable.
The end-to-end target values are based on the
“Hypothetical Reference Configuration” (HRX) of
length 27,500 km.
UAS Limit Enable (G.826
and M.2100 only)
Select whether the Unavailable Seconds limit is
Enabled (On) or not (Off).
UAS Limit
(G.826 and M.2100 only)
If UAS Limit Enable is On, specify the number of
seconds, between 10 and 100000.
Setting Parameters
VF Timeslot Do the following:
a To select a timeslot, use the arrow
keys to point at the timeslot, and
then press the # key.
b After you finish selecting the
timeslot, press OK to return to the
VF Settings menu.
VF Tones Specify the VF tones pattern for the
signal you want to transmit.
Speaker State Specify whether the speaker is
turned on or off.
Volume Control Use the right or left arrow keys to
increase or decrease the speaker
volume.
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